A dump/restore using pg_dumpall or use of pg_upgrade or logical replication is required for those wishing to migrate data from any previous release. See Section 19.6 for general information on migrating to new major releases.
\nVersion 15 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
\nA dump/restore is not required for those running 15.X.
\nHowever, the first three security entries below describe configuration adjustments and data cleanups that you may need to make after updating.
\nAlso, if you use contrib/btree_gist or contrib/ltree, you may need to reindex indexes made with those extensions; see the relevant entries below.
Also, if you are upgrading from a version earlier than 15.14, see Section E.6.
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\nHowever, the first three security entries below describe configuration adjustments and data cleanups that you may need to make after updating.
\nAlso, if you use contrib/btree_gist or contrib/ltree, you may need to reindex indexes made with those extensions; see the relevant entries below.
Also, if you are upgrading from a version earlier than 15.14, see Section E.6.
", "compatibility_count": 0, "label": "15.19", "status_label": "Supported", "eol": "2027-11-11", "age_days": 47, "support_days": 408, "entries": [{"id": "15.19-b1dbeb58e5a6c437", "cves": ["CVE-2026-6471"], "html": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries (Jacob Champion) §
Previously, a replication user could select any loadable library for logical decoding, allowing exploits of various sorts. To allow locking this down without breaking setups that worked before, introduce a whitelist of allowed output plugins.
\nBy default, only the output plugins shipped as part of PostgreSQL (pgoutput and test_decoding) are included in output_plugin_libraries. Installations that rely on other output plugins must add them after updating the server, for example
output_plugin_libraries = 'pgoutput, test_decoding, my_trusted_decoder'\n\n
Additionally, pg_upgrade --check will fail if the output_plugin_libraries parameter on the new cluster does not permit the plugins of logical replication slots on the old cluster, when migrating from versions 17 and later. Make necessary additions to the new cluster's setting before performing pg_upgrade.
The PostgreSQL Project thanks Vladimir Tokarev and Yu Kunpeng for reporting this problem. (CVE-2026-6471)
", "text": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries (Jacob Champion) § Previously, a replication user could select any loadable library for logical decoding, allowing exploits of various sorts. To allow locking this down without breaking setups that worked before, introduce a whitelist of allowed output plugins. By default, only the output plugins shipped as part of PostgreSQL (pgoutput and test_decoding) are included in output_plugin_libraries. Installations that rely on other output plugins must add them after updating the server, for example output_plugin_libraries = 'pgoutput, test_decoding, my_trusted_decoder' Additionally, pg_upgrade --check will fail if the output_plugin_libraries parameter on the new cluster does not permit the plugins of logical replication slots on the old cluster, when migrating from versions 17 and later. Make necessary additions to the new cluster's setting before performing pg_upgrade. The PostgreSQL Project thanks Vladimir Tokarev and Yu Kunpeng for reporting this problem. (CVE-2026-6471)", "title": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries", "commits": ["99f205407"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "2cd4ace9be6a555e61b8aba78c7549a8c1f9d9edd30e7edca7521fc141840e3b", "section_path": ["Changes"], "commit_groups": [["01992176e", "226e49cbe", "2a29b607d", "4e1252ee5", "5d47df21e", "99f205407", "bf3842a64"], ["20e9dcefd", "4fcccea97", "7082ce248", "82fd68801"]], "identity_text": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries (Jacob Champion) Previously, a replication user could select any loadable library for logical decoding, allowing exploits of various sorts. To allow locking this down without breaking setups that worked before, introduce a whitelist of allowed output plugins. By default, only the output plugins shipped as part of PostgreSQL (pgoutput and test_decoding) are included in output_plugin_libraries. Installations that rely on other output plugins must add them after updating the server, for example output_plugin_libraries = 'pgoutput, test_decoding, my_trusted_decoder' Additionally, pg_upgrade --check will fail if the output_plugin_libraries parameter on the new cluster does not permit the plugins of logical replication slots on the old cluster, when migrating from versions 17 and later. Make necessary additions to the new cluster's setting before performing pg_upgrade. The PostgreSQL Project thanks Vladimir Tokarev and Yu Kunpeng for reporting this problem. (CVE-2026-6471)", "commit_aliases": ["01992176e", "20e9dcefd", "226e49cbe", "2a29b607d", "4e1252ee5", "4fcccea97", "5d47df21e", "7082ce248", "82fd68801", "99f205407", "bf3842a64"], "source_commits": ["20e9dcefd", "99f205407"], "source_entry_id": "15.19/changes/001", "db_id": "7007806ed1d8192364b7ef102e45e7ef", "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212", "relations": [{"rule": 2, "type": "equivalent", "target": "2ed41f6adf451dd977da156f72190023", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}}, {"rule": 2, "type": "equivalent", "target": "549fb97375289bbc21d70209d1e5e9a8", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}}, {"rule": 2, "type": "equivalent", "target": "b5e7e2e2c6e0c744c28da7990822970a", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}}, {"rule": 2, "type": "equivalent", "target": "bbf53e61656864929954589e1f777019", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "2ed41f6adf451dd977da156f72190023", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}, "url": "/docs/compare/?release=18.6#18.6-76e8d95ade6e17d6", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "549fb97375289bbc21d70209d1e5e9a8", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}, "url": "/docs/compare/?release=17.11#17.11-ccab0c809e14d029", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "b5e7e2e2c6e0c744c28da7990822970a", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}, "url": "/docs/compare/?release=16.15#16.15-d023ef134eea5c3e", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "bbf53e61656864929954589e1f777019", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries", "evidence": {"same_day": true, "patch_ids": ["29a8e1db1536ed40c71312e7d2015c9e", "bcbaedd0455bfc84b87ba56b7f4aba2c"], "statement_hash": "66cffd63e622afc809ffcea154c77acb7025871176da7689b08b6db15ff40212"}, "url": "/docs/compare/?release=14.24#14.24-ee721afe6731e1ce", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-09644d5ff1559695", "cves": ["CVE-2026-14663"], "html": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers (Daniel Gustafsson) § §
Previously, if OpenSSL rejected the requested cipher (for example, because it is running in FIPS mode, or the legacy provider hasn't been loaded), pgcrypto failed to notice the failure and simply XOR'd the non-encrypted block with the plaintext, rendering the “encryption” trivially breakable. This will typically occur with deprecated or non-FIPS cipher algorithms (cipher-algo=blowfish/bf, twofish, cast5, or 3des).
\nBy default, pgcrypto will now fail to decrypt any messages that were affected in this way. To allow retrieval of such data, a new option ignore-cipher-failure has been added to pgp_pub_decrypt() and pgp_sym_decrypt(). Setting ignore-cipher-failure=1 will restore their previous behavior, allowing the faulty encryption wrapper to be stripped off:
pgp_sym_decrypt(encrypted_column, any key, 'ignore-cipher-failure=1')\n\nOnce the affected messages are identified and stripped of their wrappers, they can then be re-encrypted with a modern algorithm. It is important however that the behavior of OpenSSL be the same as it was when the faulty messages were created: if the set of unsupported algorithms is not the same, this approach will not work. See the documentation for ignore-cipher-failure.
The PostgreSQL Project thanks Shishir Sharma for reporting this problem. (CVE-2026-14663)
", "text": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers (Daniel Gustafsson) § § Previously, if OpenSSL rejected the requested cipher (for example, because it is running in FIPS mode, or the legacy provider hasn't been loaded), pgcrypto failed to notice the failure and simply XOR'd the non-encrypted block with the plaintext, rendering the “encryption” trivially breakable. This will typically occur with deprecated or non-FIPS cipher algorithms (cipher-algo=blowfish/bf, twofish, cast5, or 3des). By default, pgcrypto will now fail to decrypt any messages that were affected in this way. To allow retrieval of such data, a new option ignore-cipher-failure has been added to pgp_pub_decrypt() and pgp_sym_decrypt(). Setting ignore-cipher-failure=1 will restore their previous behavior, allowing the faulty encryption wrapper to be stripped off: pgp_sym_decrypt(encrypted_column, any key, 'ignore-cipher-failure=1') Once the affected messages are identified and stripped of their wrappers, they can then be re-encrypted with a modern algorithm. It is important however that the behavior of OpenSSL be the same as it was when the faulty messages were created: if the set of unsupported algorithms is not the same, this approach will not work. See the documentation for ignore-cipher-failure. The PostgreSQL Project thanks Shishir Sharma for reporting this problem. (CVE-2026-14663)", "title": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers", "commits": ["472ef7e4a", "953be116c"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "a67df80de6709aa08346e43866d797e8558cba6d0f96f571afc31b10f31f568d", "section_path": ["Changes"], "commit_groups": [["472ef7e4a", "6ca6023ca", "7e29eb6f4", "b05cfc693", "ba207f58f", "d0ecee6de", "fe32b10fc"], ["49e795414", "4c5128ca0", "7eed42aa8", "953be116c", "ba2a63faf", "d97b3f58c", "e2c48c81f"]], "identity_text": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers (Daniel Gustafsson) Previously, if OpenSSL rejected the requested cipher (for example, because it is running in FIPS mode, or the legacy provider hasn't been loaded), pgcrypto failed to notice the failure and simply XOR'd the non-encrypted block with the plaintext, rendering the encryption trivially breakable. This will typically occur with deprecated or non-FIPS cipher algorithms (cipher-algo=blowfish/bf, twofish, cast5, or 3des). By default, pgcrypto will now fail to decrypt any messages that were affected in this way. To allow retrieval of such data, a new option ignore-cipher-failure has been added to pgp_pub_decrypt() and pgp_sym_decrypt(). Setting ignore-cipher-failure=1 will restore their previous behavior, allowing the faulty encryption wrapper to be stripped off: pgp_sym_decrypt(encrypted_column, any key, 'ignore-cipher-failure=1') Once the affected messages are identified and stripped of their wrappers, they can then be re-encrypted with a modern algorithm. It is important however that the behavior of OpenSSL be the same as it was when the faulty messages were created: if the set of unsupported algorithms is not the same, this approach will not work. See the documentation for ignore-cipher-failure. The PostgreSQL Project thanks Shishir Sharma for reporting this problem. 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FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN (Tom Lane) § §
Previously, if a COPY command failed at startup (for instance, because the target table doesn't exist) psql would not realize that and would proceed to read the following in-line data as SQL commands. In the best case that's wrong and in the worst case it's a SQL-injection hazard. Teach psql to recognize syntactically-valid COPY ... FROM STDIN commands and to skip data on its own authority if the server doesn't respond with PGRES_COPY_IN.
While this fix is unlikely to affect any production SQL scripts, test scripts might intentionally exercise failing COPY ... FROM STDIN commands. Those will need to gain a \\. data terminator line after each such command.
The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2026-6464)
", "text": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN (Tom Lane) § § Previously, if a COPY command failed at startup (for instance, because the target table doesn't exist) psql would not realize that and would proceed to read the following in-line data as SQL commands. In the best case that's wrong and in the worst case it's a SQL-injection hazard. Teach psql to recognize syntactically-valid COPY ... FROM STDIN commands and to skip data on its own authority if the server doesn't respond with PGRES_COPY_IN. While this fix is unlikely to affect any production SQL scripts, test scripts might intentionally exercise failing COPY ... FROM STDIN commands. Those will need to gain a \\. data terminator line after each such command. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2026-6464)", "title": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN", "commits": ["3fdcfa8f7", "8cdbabea7"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "ca2266c1c197271b18f8c544145d590b3464501134fa712dc07c84830a4c3a54", "section_path": ["Changes"], "commit_groups": [["29921259e", "2bdfd5cdc", "3045a25ba", "3fdcfa8f7", "46fa1f6f3", "5c51ae455", "d6ab88d37"], ["7215c7e96", "8cdbabea7", "8cf01e213", "900894d35", "cf754f741", "db96e87f9", "dca6627de"]], "identity_text": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN (Tom Lane) Previously, if a COPY command failed at startup (for instance, because the target table doesn't exist) psql would not realize that and would proceed to read the following in-line data as SQL commands. In the best case that's wrong and in the worst case it's a SQL-injection hazard. Teach psql to recognize syntactically-valid COPY ... FROM STDIN commands and to skip data on its own authority if the server doesn't respond with PGRES_COPY_IN. While this fix is unlikely to affect any production SQL scripts, test scripts might intentionally exercise failing COPY ... FROM STDIN commands. Those will need to gain a \\. data terminator line after each such command. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. 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FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN", "evidence": {"same_day": true, "patch_ids": ["bb5ab12243a3045680f47ff1cb2c8480", "ecf5b4358ac3d55d48e5c5a6cf618bc5"], "statement_hash": "76e8147c7ad5a98f52d6ef02172b79adbee8009366c00ae89f0a205215b4b225"}, "url": "/docs/compare/?release=16.15#16.15-2edf36c62c37ac67", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "a4c84c6885a3a330efb43a5e79c7eeca", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix psql to skip in-line data following a scripted COPY ... 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EXECUTE and FETCH use two portals: an outer one for the statement itself, and an inner one running the query being executed on its behalf. It was previously possible to make the declared row types of the two portals diverge, leading to server memory disclosure and arbitrary code execution.
The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) and Peter Geoghegan for reporting this problem. (CVE-2026-16239)
", "text": "Cross-check the output row type of a portal running EXECUTE or FETCH (Robert Haas) § EXECUTE and FETCH use two portals: an outer one for the statement itself, and an inner one running the query being executed on its behalf. It was previously possible to make the declared row types of the two portals diverge, leading to server memory disclosure and arbitrary code execution. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) and Peter Geoghegan for reporting this problem. (CVE-2026-16239)", "title": "Cross-check the output row type of a portal running EXECUTE or FETCH", "commits": ["fc933ce00"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "213dbe40ab95d904cc905bb52bc32a8d737a95a3de48afe9a5a8d059e223f94d", "section_path": ["Changes"], "commit_groups": [["1f49beef2", "37b8f3b0e", "60887d348", "64a65ead1", "7d150b5c9", "9e02e2e18", "fc933ce00"]], "identity_text": "Cross-check the output row type of a portal running EXECUTE or FETCH (Robert Haas) EXECUTE and FETCH use two portals: an outer one for the statement itself, and an inner one running the query being executed on its behalf. It was previously possible to make the declared row types of the two portals diverge, leading to server memory disclosure and arbitrary code execution. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) and Peter Geoghegan for reporting this problem. 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This can easily crash the server, and exploits leading to arbitrary code execution have been reported.
\nThe PostgreSQL Project thanks Hcamael, Amjad Shahzad, Tan Zhen of AntAISecurityLab, Tomer Fichman, Zheng Yu, Amy Burnett (OpenAI Codex Security), Rick de Jager, Heewon Song, Sylvie Mayer, Aleksander Alekseev, and Hillai Ben Sasson for reporting this problem. (CVE-2026-14669)
", "text": "Fix buffer overrun with long time zone abbreviation in to_char() (Tom Lane) § This can easily crash the server, and exploits leading to arbitrary code execution have been reported. The PostgreSQL Project thanks Hcamael, Amjad Shahzad, Tan Zhen of AntAISecurityLab, Tomer Fichman, Zheng Yu, Amy Burnett (OpenAI Codex Security), Rick de Jager, Heewon Song, Sylvie Mayer, Aleksander Alekseev, and Hillai Ben Sasson for reporting this problem. (CVE-2026-14669)", "title": "Fix buffer overrun with long time zone abbreviation in to_char()", "commits": ["8f64cc83f"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "dc1f55bef85ddb181ebb5d66942e81fe6b599f58d2d8267e2d6218c430e47f84", "section_path": ["Changes"], "commit_groups": [["12a620686", "3294ab839", "3d724bf4f", "4fafe2380"], ["2cf28d1b9", "331016322", "5dbeb69bc", "5fb3c6389", "8f64cc83f", "b614de487", "bef46aed3"]], "identity_text": "Fix buffer overrun with long time zone abbreviation in to_char() (Tom Lane) This can easily crash the server, and exploits leading to arbitrary code execution have been reported. The PostgreSQL Project thanks Hcamael, Amjad Shahzad, Tan Zhen of AntAISecurityLab, Tomer Fichman, Zheng Yu, Amy Burnett (OpenAI Codex Security), Rick de Jager, Heewon Song, Sylvie Mayer, Aleksander Alekseev, and Hillai Ben Sasson for reporting this problem. (CVE-2026-14669)", "commit_aliases": ["12a620686", "2cf28d1b9", "3294ab839", "331016322", "3d724bf4f", "4fafe2380", "5dbeb69bc", "5fb3c6389", "8f64cc83f", "b614de487", "bef46aed3"], "source_commits": ["3d724bf4f", "8f64cc83f"], "source_entry_id": "15.19/changes/005", "db_id": "bfa88fa3d381bbc9b7ee7a8614ea363c", "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", "relations": [{"rule": 2, "type": "equivalent", "target": "027ccc17f71deb2b38e14fc8cc82dccd", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}, {"rule": 2, "type": "equivalent", "target": "1b34d3e2b18d75096fd2914d3673446c", "evidence": {"same_day": true, "patch_ids": 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"ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "1ba572e4a9f5584ecce320e293d4b258", "kind": "related", "version": "18.6", "label": "18.6", "title": "Fix cascading standby reconnect failure after archive fallback", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"], "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}, "url": "/docs/compare/?release=18.6#18.6-e75bd84b8c02b997", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "1b34d3e2b18d75096fd2914d3673446c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix buffer overrun with long time zone abbreviation in to_char()", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", 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\nIf passed invalidly-encoded data, these functions could write past the end of their conversion buffer.
\nThe PostgreSQL Project thanks Francesco Verardi for reporting this problem. (CVE-2026-14664)
", "text": "Fix buffer overrun in regexp match/split functions (Masahiko Sawada) § If passed invalidly-encoded data, these functions could write past the end of their conversion buffer. The PostgreSQL Project thanks Francesco Verardi for reporting this problem. (CVE-2026-14664)", "title": "Fix buffer overrun in regexp match/split functions", "commits": ["127a0673f"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "9af622c8291cc0e596825fd1d335a453cd6d5a3f6e3c6e2e1dab475c3bdb64d3", "section_path": ["Changes"], "commit_groups": [["127a0673f", "3179253c2", "343aabf1d", "7df2aa8ef", "890327639", "b7e5c3f63", "e91dcfcca"]], "identity_text": "Fix buffer overrun in regexp match/split functions (Masahiko Sawada) If passed invalidly-encoded data, these functions could write past the end of their conversion buffer. The PostgreSQL Project thanks Francesco Verardi for reporting this problem. (CVE-2026-14664)", "commit_aliases": ["127a0673f", "3179253c2", "343aabf1d", "7df2aa8ef", "890327639", "b7e5c3f63", "e91dcfcca"], "source_commits": ["127a0673f"], "source_entry_id": "15.19/changes/006", "db_id": "ee22496a80ac478c7a0e734782b86377", "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444", "relations": [{"rule": 2, "type": "equivalent", "target": "2dff40febce19283ae38aa647816cd73", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}, {"rule": 2, "type": "equivalent", "target": "31c6d0327b9be4008171a2064e268f6c", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}, {"rule": 2, "type": "equivalent", "target": "8e5a5f5c59f91019e7f4f9160ae97951", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}, {"rule": 2, "type": "equivalent", "target": "ee60c1b700f965a0913e70294c9927f5", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "31c6d0327b9be4008171a2064e268f6c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=18.6#18.6-94204615ddc5390c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "ee60c1b700f965a0913e70294c9927f5", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=17.11#17.11-cb1b743a0208c3c0", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "2dff40febce19283ae38aa647816cd73", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=16.15#16.15-81cf49bd6b870f85", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "8e5a5f5c59f91019e7f4f9160ae97951", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=14.24#14.24-e8fecccd48726ac8", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-7d22c46c0b1e985e", "cves": ["CVE-2026-18024"], "html": "Harden the ascii() function against invalid input (Michael Paquier) §
By supplying invalidly-encoded input, this function could be coaxed to read and return a few bytes of data that it shouldn't. In assert-enabled builds, its assertions could be triggered too.
\nThe PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-18024)
", "text": "Harden the ascii() function against invalid input (Michael Paquier) § By supplying invalidly-encoded input, this function could be coaxed to read and return a few bytes of data that it shouldn't. In assert-enabled builds, its assertions could be triggered too. The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-18024)", "title": "Harden the ascii() function against invalid input", "commits": ["3b925133b"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "4cb3106a429c356c4aa026707b2e5880ee55dd857aeb7871abe1c6b44ea299a5", "section_path": ["Changes"], "commit_groups": [["08e812c02", "3b925133b", "42d333a78", "80ce920a5", "849da8210", "a16c31d39", "ac450853d"]], "identity_text": "Harden the ascii() function against invalid input (Michael Paquier) By supplying invalidly-encoded input, this function could be coaxed to read and return a few bytes of data that it shouldn't. In assert-enabled builds, its assertions could be triggered too. The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-18024)", "commit_aliases": ["08e812c02", "3b925133b", "42d333a78", "80ce920a5", "849da8210", "a16c31d39", "ac450853d"], "source_commits": ["3b925133b"], "source_entry_id": "15.19/changes/007", "db_id": "3fcea79a14fe4f9b97afbae1d619ffdf", "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3", "relations": [{"rule": 2, "type": "equivalent", "target": "12383fa89e42b03b68791e4222af5d42", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}, {"rule": 2, "type": "equivalent", "target": "28116a0caca0f02980e6eaa33ad62878", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}, {"rule": 2, "type": "equivalent", "target": "5a7d1cc5fb2e41a7a2acbb0c59894992", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}, {"rule": 2, "type": "equivalent", "target": "776c34393ca8da3ea9c128e3d7219ad3", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "28116a0caca0f02980e6eaa33ad62878", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=18.6#18.6-4a45e658fb69cefb", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "12383fa89e42b03b68791e4222af5d42", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=17.11#17.11-e6de3d1ea5ee5a52", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "5a7d1cc5fb2e41a7a2acbb0c59894992", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=16.15#16.15-483eebd2875e58ea", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "776c34393ca8da3ea9c128e3d7219ad3", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=14.24#14.24-7c4016acc1446315", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-ba8cb69723cdb335", "cves": ["CVE-2026-16238"], "html": "Fix multirange type handling in pg_restore_attribute_stats() (OpenAI Security Research Team)
pg_restore_attribute_stats() treated multirange types just like their underlying range type. This works correctly for the bounds histogram, but it was wrong for all the other statistics kinds.
The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. (CVE-2026-16238)
", "text": "Fix multirange type handling in pg_restore_attribute_stats() (OpenAI Security Research Team) pg_restore_attribute_stats() treated multirange types just like their underlying range type. This works correctly for the bounds histogram, but it was wrong for all the other statistics kinds. The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. (CVE-2026-16238)", "title": "Fix multirange type handling in pg_restore_attribute_stats()", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "307fae39b42e66fdb916abdaa0d4a62270ca6fbb1038040ff752f2c348b63a99", "section_path": ["Changes"], "commit_groups": [["08454e8b2", "57835938f", "b3d9262bb"], ["8d428c6e6"]], "identity_text": "Fix multirange type handling in pg_restore_attribute_stats() (OpenAI Security Research Team) pg_restore_attribute_stats() treated multirange types just like their underlying range type. This works correctly for the bounds histogram, but it was wrong for all the other statistics kinds. The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. 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This expectation will hold for all the built-in operators that use this estimator, but a maliciously-constructed operator could violate it, leading to a crash or server memory disclosure.
\nThe PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14668)
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The documented limits were not enforced in all code paths.
\nThe PostgreSQL Project thanks Yuhang Wu, Zhenpeng Lin, Zheng Yu, and Hcamael for reporting these problems. (CVE-2026-14662)
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Notably, the server's actual limit on the number of arguments to an aggregate function is FUNC_MAX_ARGS - 1, but the parser failed to enforce that, creating hazards downstream.
The PostgreSQL Project thanks Zheng Yu, ylwangtju, and Masahiko Sawada for reporting these problems. (CVE-2026-14679)
", "text": "Fix various places that mistakenly assumed they would not have to deal with more than FUNC_MAX_ARGS function arguments (Tom Lane) § § Notably, the server's actual limit on the number of arguments to an aggregate function is FUNC_MAX_ARGS - 1, but the parser failed to enforce that, creating hazards downstream. The PostgreSQL Project thanks Zheng Yu, ylwangtju, and Masahiko Sawada for reporting these problems. 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The PostgreSQL Project thanks Zheng Yu, ylwangtju, and Masahiko Sawada for reporting these problems. 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The existing defenses against doing this have been shown to be insufficient, so add more explicit checks.
\nThe PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. (CVE-2026-14680)
", "text": "Reject calls from SQL to functions that take or return type internal (Tom Lane) § § The existing defenses against doing this have been shown to be insufficient, so add more explicit checks. The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. 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Previously, the role running ALTER TABLE gained ownership of such objects, but that seems inappropriate.
The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2026-6469)
", "text": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE (Masahiko Sawada) § Previously, the role running ALTER TABLE gained ownership of such objects, but that seems inappropriate. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2026-6469)", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "commits": ["fb6d1ca8d"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "b2d26e5001310c9eb4c9776389a7112bfe32e5c7bce4e5d8951db3e93383ae25", "section_path": ["Changes"], "commit_groups": [["6713a6e04", "70a3b4e18", "75a03c569", "7c3367ab5", "93b93f28f", "a1fa24127", "fb6d1ca8d"]], "identity_text": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE (Masahiko Sawada) Previously, the role running ALTER TABLE gained ownership of such objects, but that seems inappropriate. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2026-6469)", "commit_aliases": ["6713a6e04", "70a3b4e18", "75a03c569", "7c3367ab5", "93b93f28f", "a1fa24127", "fb6d1ca8d"], "source_commits": ["fb6d1ca8d"], "source_entry_id": "15.19/changes/013", "db_id": "ddb05610c858789527b1369d30b4bb1c", "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6", "relations": [{"rule": 2, "type": "equivalent", "target": "4ce18d2a1cf23ef6c7ff55c667d59eae", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}, {"rule": 2, "type": "equivalent", "target": "a45d7275fb35413aaeeb017f13dfbf83", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}, {"rule": 2, "type": "equivalent", "target": "a511c71fb1c56e7bba21699bf176d02f", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}, {"rule": 2, "type": "equivalent", "target": "f73abeba4ef827229ec4b724b2dbde1b", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4ce18d2a1cf23ef6c7ff55c667d59eae", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=18.6#18.6-c42539c16ee68f2f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a511c71fb1c56e7bba21699bf176d02f", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=17.11#17.11-50a00c5a01592c04", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "a45d7275fb35413aaeeb017f13dfbf83", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=16.15#16.15-e8ff71640bff6e1b", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "f73abeba4ef827229ec4b724b2dbde1b", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=14.24#14.24-dd4b41945f77ff4b", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-a14e35e1025f9ddc", "cves": ["CVE-2026-15741"], "html": "When deparsing an EXTRACT() function call, quote the field name if needed (Nathan Bossart) §
The parser accepts any string literal as a field name in EXTRACT(), deferring validation to execution. If the call is stored and deparsed (for example during pg_dump), the string body was regurgitated verbatim, allowing SQL injection.
The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15741)
", "text": "When deparsing an EXTRACT() function call, quote the field name if needed (Nathan Bossart) § The parser accepts any string literal as a field name in EXTRACT(), deferring validation to execution. If the call is stored and deparsed (for example during pg_dump), the string body was regurgitated verbatim, allowing SQL injection. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15741)", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "commits": ["44ea6764b"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "1f6c9623b0f2cdb7c51af0265f59c6d72e641c4834e5e75cc7f85761a1f6d7c9", "section_path": ["Changes"], "commit_groups": [["0ddd9098a", "44ea6764b", "5981fe370", "5e5ea74e3", "967acab87", "a3832a757", "f9729b507"]], "identity_text": "When deparsing an EXTRACT() function call, quote the field name if needed (Nathan Bossart) The parser accepts any string literal as a field name in EXTRACT(), deferring validation to execution. If the call is stored and deparsed (for example during pg_dump), the string body was regurgitated verbatim, allowing SQL injection. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15741)", "commit_aliases": ["0ddd9098a", "44ea6764b", "5981fe370", "5e5ea74e3", "967acab87", "a3832a757", "f9729b507"], "source_commits": ["44ea6764b"], "source_entry_id": "15.19/changes/014", "db_id": "0b6c8ce7fe6e116e2bb99be5e53dff29", "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef", "relations": [{"rule": 2, "type": "equivalent", "target": "46e3e259f29471b862d3a1eeaae97525", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}, {"rule": 2, "type": "equivalent", "target": "57a69063ff0b7f44b253f158536bbc64", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}, {"rule": 2, "type": "equivalent", "target": "7c6c8c33a06891c077c2444b81e229fb", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}, {"rule": 2, "type": "equivalent", "target": "9677e1d0e314b1250191bf908cc27099", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "57a69063ff0b7f44b253f158536bbc64", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=18.6#18.6-323a1fc7b03b6859", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "9677e1d0e314b1250191bf908cc27099", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=17.11#17.11-2bafbd49437d6dde", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "46e3e259f29471b862d3a1eeaae97525", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=16.15#16.15-b95737c58db91b67", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "7c6c8c33a06891c077c2444b81e229fb", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=14.24#14.24-6222e3f0de511b22", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-680192fcb0e07883", "cves": ["CVE-2026-6470"], "html": "Check for USAGE privilege on data types in places that formerly failed to check that (Nathan Bossart) § § §
CREATE TYPE AS RANGE did not check, nor did ALTER TABLE OF, nor did commands that create stored expressions. These omissions allowed roles without USAGE privilege to nonetheless create objects depending on the type, possibly blocking the type's owner from changing the type later.
The PostgreSQL Project thanks Jingzhou Fu for reporting this problem. (CVE-2026-6470)
", "text": "Check for USAGE privilege on data types in places that formerly failed to check that (Nathan Bossart) § § § CREATE TYPE AS RANGE did not check, nor did ALTER TABLE OF, nor did commands that create stored expressions. These omissions allowed roles without USAGE privilege to nonetheless create objects depending on the type, possibly blocking the type's owner from changing the type later. The PostgreSQL Project thanks Jingzhou Fu for reporting this problem. (CVE-2026-6470)", "title": "Check for USAGE privilege on data types in places that formerly failed to check that", "commits": ["6dbedd48b", "97e277402", "c062734cd"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "4b60e7f7ff24d42eb741740baea5981a8b52b5cdd9e0f5206b328711de103154", "section_path": ["Changes"], "commit_groups": [["1a358b8f2", "278053843", "424fb7160", "4fac4c108", "6dbedd48b", "7ce056b17", "d1c8aa0b0"], ["24855357c", "2e91f8548", "323af0a4e", "97e277402", "a9f6e768a", "efdb26072", "fd6d3e7e9"], ["53ed5ebd8", "57f59ca1d", "671359605", "7a761fe40", "b6e45b4f8", "bb1bc525d", "c062734cd"]], "identity_text": "Check for USAGE privilege on data types in places that formerly failed to check that (Nathan Bossart) CREATE TYPE AS RANGE did not check, nor did ALTER TABLE OF, nor did commands that create stored expressions. These omissions allowed roles without USAGE privilege to nonetheless create objects depending on the type, possibly blocking the type's owner from changing the type later. The PostgreSQL Project thanks Jingzhou Fu for reporting this problem. 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\nRole membership, role attribute, and database ownership changes may impact the expected behavior of row-level security policies, but previously we'd continue to use cached plans that were made according to the old state of affairs.
\nThe PostgreSQL Project thanks Ilya Staroverov and Shinya Kato for reporting this problem. (CVE-2026-14666)
", "text": "Invalidate role-dependent cached plans after role changes (Ilya Staroverov, Shinya Kato, Nathan Bossart) § Role membership, role attribute, and database ownership changes may impact the expected behavior of row-level security policies, but previously we'd continue to use cached plans that were made according to the old state of affairs. The PostgreSQL Project thanks Ilya Staroverov and Shinya Kato for reporting this problem. (CVE-2026-14666)", "title": "Invalidate role-dependent cached plans after role changes", "commits": ["17b6083db"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "14c08a5a6a7b73413ddc610f0b56d17ed198e0d11cc40ff64bcfe81c492ffe74", "section_path": ["Changes"], "commit_groups": [["0b12f56bf", "17b6083db", "1974acf23", "567286b76", "f4174aa84", "f5f2da795", "ffca23839"]], "identity_text": "Invalidate role-dependent cached plans after role changes (Ilya Staroverov, Shinya Kato, Nathan Bossart) Role membership, role attribute, and database ownership changes may impact the expected behavior of row-level security policies, but previously we'd continue to use cached plans that were made according to the old state of affairs. The PostgreSQL Project thanks Ilya Staroverov and Shinya Kato for reporting this problem. (CVE-2026-14666)", "commit_aliases": ["0b12f56bf", "17b6083db", "1974acf23", "567286b76", "f4174aa84", "f5f2da795", "ffca23839"], "source_commits": ["17b6083db"], "source_entry_id": "15.19/changes/016", "db_id": "652fbbbd4aff8c1d5babff0cde01bc7f", "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432", "relations": [{"rule": 2, "type": "equivalent", "target": "043b1e2a717a3c7862402faa9c4b1f91", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}, {"rule": 2, "type": "equivalent", "target": "0e200ae2afa3db031ffa07314f2deab2", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}, {"rule": 2, "type": "equivalent", "target": "49941507efa272e723ff0698b2236a6e", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}, {"rule": 2, "type": "equivalent", "target": "c1425f2f64ac014a0d5ac494fbe66faf", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "0e200ae2afa3db031ffa07314f2deab2", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=18.6#18.6-ad01030c7fc964f1", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "49941507efa272e723ff0698b2236a6e", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=17.11#17.11-43977a837123cada", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "c1425f2f64ac014a0d5ac494fbe66faf", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=16.15#16.15-c1ecfb608aa3193c", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "043b1e2a717a3c7862402faa9c4b1f91", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=14.24#14.24-6987bc0045f3c2c5", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-c6bce83a8c49af2c", "cves": ["CVE-2026-14681"], "html": "Reject GSSEncRequest after direct SSL connection (Michael Paquier)
\nAfter establishing a TLS-encrypted connection, the server would still accept a request for GSSAPI encryption. If that succeeded, the connection would proceed using TLS encryption, but it would look like a GSS connection to the pg_hba rules. Thus, a pg_hba policy intending to disallow TLS would not be enforced correctly.
The PostgreSQL Project thanks p4p3r for reporting this problem. (CVE-2026-14681)
", "text": "Reject GSSEncRequest after direct SSL connection (Michael Paquier) After establishing a TLS-encrypted connection, the server would still accept a request for GSSAPI encryption. If that succeeded, the connection would proceed using TLS encryption, but it would look like a GSS connection to the pg_hba rules. Thus, a pg_hba policy intending to disallow TLS would not be enforced correctly. The PostgreSQL Project thanks p4p3r for reporting this problem. (CVE-2026-14681)", "title": "Reject GSSEncRequest after direct SSL connection", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "3a80c1fa3c798768f5b8abd7b20fca6ea90342fa6a41d7a0e2a6810188ef6da5", "section_path": ["Changes"], "commit_groups": [["067a64d40", "203a48209", "3bf185b4b", "bf1bb7e29"]], "identity_text": "Reject GSSEncRequest after direct SSL connection (Michael Paquier) After establishing a TLS-encrypted connection, the server would still accept a request for GSSAPI encryption. If that succeeded, the connection would proceed using TLS encryption, but it would look like a GSS connection to the pg_hba rules. Thus, a pg_hba policy intending to disallow TLS would not be enforced correctly. The PostgreSQL Project thanks p4p3r for reporting this problem. (CVE-2026-14681)", "commit_aliases": ["067a64d40", "203a48209", "3bf185b4b", "bf1bb7e29"], "source_commits": ["3bf185b4b"], "source_entry_id": "15.19/changes/017", "db_id": "bdd453999af206604b4ae0c623733bc5", "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620", "relations": [{"rule": 2, "type": "equivalent", "target": "55da165c3ced2d17689a546cd13a10f8", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}, {"rule": 2, "type": "equivalent", "target": "deae128594614e84894b8e7a7062759f", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}, {"rule": 2, "type": "equivalent", "target": "efca948aece74421d5dff07ca459356e", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}, {"rule": 2, "type": "equivalent", "target": "fae551c24851f8412783e17b85987136", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "deae128594614e84894b8e7a7062759f", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=18.6#18.6-ed40b113af1a65e3", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "55da165c3ced2d17689a546cd13a10f8", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=17.11#17.11-1d103f53312d0305", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "fae551c24851f8412783e17b85987136", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=16.15#16.15-c6bce83a8c49af2c", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "efca948aece74421d5dff07ca459356e", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=14.24#14.24-c6bce83a8c49af2c", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-df0f61cd55651315", "cves": ["CVE-2026-14672"], "html": "Make mock SCRAM authentication secrets more plausible (Nathan Bossart)
\nIf a SCRAM login is attempted against a role that doesn't exist or doesn't have a SCRAM secret, we generate a mock secret and carry out the authentication handshake anyway, to avoid revealing these facts to an attacker. But the mock secret was made with a fixed iteration count, which in itself can be an observable response discrepancy. Use the configuration setting scram_iterations instead, to make the mock secret look more like the installation's real secrets.
The PostgreSQL Project thanks Radim Marek for reporting this problem. (CVE-2026-14672)
", "text": "Make mock SCRAM authentication secrets more plausible (Nathan Bossart) If a SCRAM login is attempted against a role that doesn't exist or doesn't have a SCRAM secret, we generate a mock secret and carry out the authentication handshake anyway, to avoid revealing these facts to an attacker. But the mock secret was made with a fixed iteration count, which in itself can be an observable response discrepancy. Use the configuration setting scram_iterations instead, to make the mock secret look more like the installation's real secrets. The PostgreSQL Project thanks Radim Marek for reporting this problem. (CVE-2026-14672)", "title": "Make mock SCRAM authentication secrets more plausible", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "d0c81caf9258f573ce2f4e7731092b834e1f313b15c20bca1ee76e5450a7f508", "section_path": ["Changes"], "commit_groups": [["4d192fa16", "822143c4d", "dec60e8ad", "fadbe882d", "feb8b0182"]], "identity_text": "Make mock SCRAM authentication secrets more plausible (Nathan Bossart) If a SCRAM login is attempted against a role that doesn't exist or doesn't have a SCRAM secret, we generate a mock secret and carry out the authentication handshake anyway, to avoid revealing these facts to an attacker. But the mock secret was made with a fixed iteration count, which in itself can be an observable response discrepancy. Use the configuration setting scram_iterations instead, to make the mock secret look more like the installation's real secrets. The PostgreSQL Project thanks Radim Marek for reporting this problem. (CVE-2026-14672)", "commit_aliases": ["4d192fa16", "822143c4d", "dec60e8ad", "fadbe882d", "feb8b0182"], "source_commits": ["feb8b0182"], "source_entry_id": "15.19/changes/018", "db_id": "328f985aab0b40a393740fb418be993c", "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178", "relations": [{"rule": 2, "type": "equivalent", "target": "0b4b5a7457f7fbba0ac49362d4205d94", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}, {"rule": 2, "type": "equivalent", "target": "360618cf2b5023ffb07258f47a407319", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}, {"rule": 2, "type": "equivalent", "target": "465da641b2ad8e32d9b3eff9044cfd21", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}, {"rule": 2, "type": "equivalent", "target": "adc5092861582d88d34f6a1b1124f2eb", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "360618cf2b5023ffb07258f47a407319", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=18.6#18.6-bb742148aa1ab70a", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "465da641b2ad8e32d9b3eff9044cfd21", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=17.11#17.11-f319d2c2bdee8718", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "adc5092861582d88d34f6a1b1124f2eb", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=16.15#16.15-7aa6af5006f81e6f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "0b4b5a7457f7fbba0ac49362d4205d94", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=14.24#14.24-df0f61cd55651315", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-8ab80940f2e8c31e", "cves": ["CVE-2026-16241"], "html": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server (Michael Paquier) §
ecpg assumed without checking that any bytea value must begin with \\x. A broken or malicious server might send a string shorter than 2 bytes, resulting in memory clobber in the application.
The PostgreSQL Project thanks ylwangtju for reporting this problem. (CVE-2026-16241)
", "text": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server (Michael Paquier) § ecpg assumed without checking that any bytea value must begin with \\x. A broken or malicious server might send a string shorter than 2 bytes, resulting in memory clobber in the application. The PostgreSQL Project thanks ylwangtju for reporting this problem. (CVE-2026-16241)", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "commits": ["5737110b6"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "7e720a77caef80839934168f6ff4209521f8e4bd7f35a199a05ab7bc400e3126", "section_path": ["Changes"], "commit_groups": [["39f855e0e", "457b8737a", "5737110b6", "74c59d062", "a14ba29b1", "c3c830272", "c7da85fec"]], "identity_text": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server (Michael Paquier) ecpg assumed without checking that any bytea value must begin with \\x. A broken or malicious server might send a string shorter than 2 bytes, resulting in memory clobber in the application. The PostgreSQL Project thanks ylwangtju for reporting this problem. (CVE-2026-16241)", "commit_aliases": ["39f855e0e", "457b8737a", "5737110b6", "74c59d062", "a14ba29b1", "c3c830272", "c7da85fec"], "source_commits": ["5737110b6"], "source_entry_id": "15.19/changes/019", "db_id": "18aec69fea13406451ddcbd0d4c23a88", "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946", "relations": [{"rule": 2, "type": "equivalent", "target": "4fb7c5910a0436ce3e2bb2ab88b25a87", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}, {"rule": 2, "type": "equivalent", "target": "7393e9b24b9abe3400e3f04577d58cba", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}, {"rule": 2, "type": "equivalent", "target": "c7e226410c72dad9c39b76d880e2f2a5", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}, {"rule": 2, "type": "equivalent", "target": "f5473f236236eb170503879999034ecc", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7e226410c72dad9c39b76d880e2f2a5", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=18.6#18.6-2d9ddb6163eca29a", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "4fb7c5910a0436ce3e2bb2ab88b25a87", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=17.11#17.11-368d04431d80a7fd", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "f5473f236236eb170503879999034ecc", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=16.15#16.15-e48a8391a0609721", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "7393e9b24b9abe3400e3f04577d58cba", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=14.24#14.24-a12e893b89f31441", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-1eaa89bc0932599c", "cves": ["CVE-2025-8714", "CVE-2026-18408"], "html": "Do not do backquote expansion on the argument of psql's \\unrestrict command (Nathan Bossart) §
This oversight in the fix for CVE-2025-8714 allows a malicious server to inject shell commands into plain-text dump output that will be run at restore time on the machine running psql, the exact scenario that CVE-2025-8714 intended to prevent.
\nThe PostgreSQL Project thanks Lucas Velgus, Filip Janus, and Daniel Bakker for reporting this problem. (CVE-2026-18408)
", "text": "Do not do backquote expansion on the argument of psql's \\unrestrict command (Nathan Bossart) § This oversight in the fix for CVE-2025-8714 allows a malicious server to inject shell commands into plain-text dump output that will be run at restore time on the machine running psql, the exact scenario that CVE-2025-8714 intended to prevent. The PostgreSQL Project thanks Lucas Velgus, Filip Janus, and Daniel Bakker for reporting this problem. (CVE-2026-18408)", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "commits": ["df245c374"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "fe61a7e9c4723e25a3f748738c671b4d3b8cfa75e3d44569c9f1c76950648111", "section_path": ["Changes"], "commit_groups": [["0119aa30e", "086f6f176", "0bfac9e1f", "2006fca40", "33d0c63fb", "71ca694c7", "df245c374"]], "identity_text": "Do not do backquote expansion on the argument of psql's \\unrestrict command (Nathan Bossart) This oversight in the fix for CVE-2025-8714 allows a malicious server to inject shell commands into plain-text dump output that will be run at restore time on the machine running psql, the exact scenario that CVE-2025-8714 intended to prevent. The PostgreSQL Project thanks Lucas Velgus, Filip Janus, and Daniel Bakker for reporting this problem. (CVE-2026-18408)", "commit_aliases": ["0119aa30e", "086f6f176", "0bfac9e1f", "2006fca40", "33d0c63fb", "71ca694c7", "df245c374"], "source_commits": ["df245c374"], "source_entry_id": "15.19/changes/020", "db_id": "5221242491685338de78e8922e1f353a", "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b", "relations": [{"rule": 2, "type": "equivalent", "target": "36ccc2b6f4b04376dc6bf74ae3d2f6de", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}, {"rule": 2, "type": "equivalent", "target": "49dd1006826cb5f529df97b64194c139", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}, {"rule": 2, "type": "equivalent", "target": "56ffc2f53e9a050b5de71327d3cef06f", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}, {"rule": 2, "type": "equivalent", "target": "7a747536f32a440151dcb2b04ac4e968", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "36ccc2b6f4b04376dc6bf74ae3d2f6de", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=18.6#18.6-2227ccac7ef5135c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "56ffc2f53e9a050b5de71327d3cef06f", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=17.11#17.11-7f417b32587acff8", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "7a747536f32a440151dcb2b04ac4e968", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=16.15#16.15-59649e9a46bbab2a", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "49dd1006826cb5f529df97b64194c139", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=14.24#14.24-383244a3d19a3ddf", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-fa846de81d1d3c18", "cves": ["CVE-2026-19385"], "html": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries (Tom Lane) §
Since there could be entries for both input and output arguments, it's feasible for this array's length to exceed FUNC_MAX_ARGS (which constrains only input arguments). Even if that were not so, pg_dump cannot assume that the server was built with the same value of FUNC_MAX_ARGS that it has. An overrun would lead to a memory clobber inside pg_dump.
The PostgreSQL Project thanks Masahiko Sawada for reporting this problem. (CVE-2026-19385)
", "text": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries (Tom Lane) § Since there could be entries for both input and output arguments, it's feasible for this array's length to exceed FUNC_MAX_ARGS (which constrains only input arguments). Even if that were not so, pg_dump cannot assume that the server was built with the same value of FUNC_MAX_ARGS that it has. An overrun would lead to a memory clobber inside pg_dump. The PostgreSQL Project thanks Masahiko Sawada for reporting this problem. (CVE-2026-19385)", "title": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries", "commits": ["71ba5705d"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "bf74a9035e600df9a3c26aaedaba4f167f889d14cea8de48c5c2aa1e19a35e2c", "section_path": ["Changes"], "commit_groups": [["13bb73aeb", "3299c2ba0", "3392cce5c", "57aa21f69", "71ba5705d", "86cd82bf4", "c2b16f5d4"]], "identity_text": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries (Tom Lane) Since there could be entries for both input and output arguments, it's feasible for this array's length to exceed FUNC_MAX_ARGS (which constrains only input arguments). Even if that were not so, pg_dump cannot assume that the server was built with the same value of FUNC_MAX_ARGS that it has. An overrun would lead to a memory clobber inside pg_dump. The PostgreSQL Project thanks Masahiko Sawada for reporting this problem. 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\nA tied object that doesn't behave like a regular one could lead to memory overwrite, or to constructing a corrupt result array (which would likely cause problems later).
\nThe PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14670)
", "text": "Harden PL/Perl against “tied” Perl arrays and hashes (Tom Lane) § A tied object that doesn't behave like a regular one could lead to memory overwrite, or to constructing a corrupt result array (which would likely cause problems later). The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14670)", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "commits": ["cf4ae7c3b"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "c4da4339bcac293241d9fe1aded5907fd027b569b165c60261f5b270f78dbe89", "section_path": ["Changes"], "commit_groups": [["2d78c34f8", "477a6bdb0", "63cb15f40", "87c4b8219", "8c48cd615", "cf4ae7c3b", "d7fcfead3"]], "identity_text": "Harden PL/Perl against tied Perl arrays and hashes (Tom Lane) A tied object that doesn't behave like a regular one could lead to memory overwrite, or to constructing a corrupt result array (which would likely cause problems later). The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14670)", "commit_aliases": ["2d78c34f8", "477a6bdb0", "63cb15f40", "87c4b8219", "8c48cd615", "cf4ae7c3b", "d7fcfead3"], "source_commits": ["cf4ae7c3b"], "source_entry_id": "15.19/changes/022", "db_id": "bd87bdc33bbf3c2a24631a385372b6ad", "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0", "relations": [{"rule": 2, "type": "equivalent", "target": "0caaa5502645631a657b97dc78add8c0", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}, {"rule": 2, "type": "equivalent", "target": "45822fd5bc04f9bc7cd5310ebd922c61", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}, {"rule": 2, "type": "equivalent", "target": "59a40e9cc2306d6e115d10b26c7b6d9e", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}, {"rule": 2, "type": "equivalent", "target": "f0c1fefb4fd60b97ad1a6420db84a85a", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "45822fd5bc04f9bc7cd5310ebd922c61", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=18.6#18.6-6d183d795dd4fadd", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "59a40e9cc2306d6e115d10b26c7b6d9e", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=17.11#17.11-58243a045a5d2555", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "0caaa5502645631a657b97dc78add8c0", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=16.15#16.15-9465542088e662ad", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "f0c1fefb4fd60b97ad1a6420db84a85a", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=14.24#14.24-00b84c1b83bd3d6b", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-d03175b8e62ca77d", "cves": ["CVE-2026-14677", "CVE-2026-6473"], "html": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl (Heikki Linnakangas) §
\nThis is the same type of problem as CVE-2026-6473, just in a different part of the code, and is fixed in the same way.
\nThe PostgreSQL Project thanks the Tulya Project (Team Dhiutsa, Bitecope Technologies Private Ltd) for reporting this problem. (CVE-2026-14677)
", "text": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl (Heikki Linnakangas) § This is the same type of problem as CVE-2026-6473, just in a different part of the code, and is fixed in the same way. The PostgreSQL Project thanks the Tulya Project (Team Dhiutsa, Bitecope Technologies Private Ltd) for reporting this problem. (CVE-2026-14677)", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "commits": ["1eb0d5380"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "a2287bba57ed0c84251dac2e5aad7199657873c0892ee5c8b11a6ceba3a537ce", "section_path": ["Changes"], "commit_groups": [["028ee716a", "1eb0d5380", "776467301", "8bbdc0540", "a1c1727cb", "aff9dac1c", "b56cc7deb"]], "identity_text": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl (Heikki Linnakangas) This is the same type of problem as CVE-2026-6473, just in a different part of the code, and is fixed in the same way. The PostgreSQL Project thanks the Tulya Project (Team Dhiutsa, Bitecope Technologies Private Ltd) for reporting this problem. (CVE-2026-14677)", "commit_aliases": ["028ee716a", "1eb0d5380", "776467301", "8bbdc0540", "a1c1727cb", "aff9dac1c", "b56cc7deb"], "source_commits": ["1eb0d5380"], "source_entry_id": "15.19/changes/023", "db_id": "4cc223998ff4d5b7cf50efd21e2284b1", "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4", "relations": [{"rule": 2, "type": "equivalent", "target": "238a2ce678961ff0ad08154da3915f04", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}, {"rule": 2, "type": "equivalent", "target": "a110c06ad7fd7a9c4f063b051daf6836", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}, {"rule": 2, "type": "equivalent", "target": "eaeb89e4752f46002fc91e3a83e9f683", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}, {"rule": 2, "type": "equivalent", "target": "f5ff50e89bc960e1e5bac3249477b995", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "238a2ce678961ff0ad08154da3915f04", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=18.6#18.6-16cede7597f41368", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a110c06ad7fd7a9c4f063b051daf6836", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=17.11#17.11-7026dc1b76714418", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "f5ff50e89bc960e1e5bac3249477b995", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=16.15#16.15-342fcd712e0eba5c", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "eaeb89e4752f46002fc91e3a83e9f683", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=14.24#14.24-cbf179d0fe218ed0", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-ab72faa7677e5388", "cves": ["CVE-2026-14673"], "html": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions (Noah Misch) §
Because amcheck will run such index expressions as the owner of their tables, a caller could potentially hijack search_path-dependent functions to run arbitrary code as the table owner. By default this is not a vulnerability because only superusers are allowed to call amcheck functions; but if that privilege was granted out, it created a larger hazard than the documentation suggests.
The PostgreSQL Project thanks Yuelin Wang and Jacob Brazeal for reporting this problem. (CVE-2026-14673)
", "text": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions (Noah Misch) § Because amcheck will run such index expressions as the owner of their tables, a caller could potentially hijack search_path-dependent functions to run arbitrary code as the table owner. By default this is not a vulnerability because only superusers are allowed to call amcheck functions; but if that privilege was granted out, it created a larger hazard than the documentation suggests. The PostgreSQL Project thanks Yuelin Wang and Jacob Brazeal for reporting this problem. (CVE-2026-14673)", "title": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions", "commits": ["e43e74756"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "1a1b2e93804cf23fc1f9799b98dc97c8161cefc9a8b33734421093bbea68a118", "section_path": ["Changes"], "commit_groups": [["0a61fcde0", "0fbf785b1", "2cc147318", "39d792040", "557cc7186", "e41c72aff", "e43e74756"]], "identity_text": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions (Noah Misch) Because amcheck will run such index expressions as the owner of their tables, a caller could potentially hijack search_path-dependent functions to run arbitrary code as the table owner. By default this is not a vulnerability because only superusers are allowed to call amcheck functions; but if that privilege was granted out, it created a larger hazard than the documentation suggests. The PostgreSQL Project thanks Yuelin Wang and Jacob Brazeal for reporting this problem. 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Passing large cost values to these functions could cause integer overflows, thereby producing nonsensical results, and even causing out-of-bounds writes in some cases.
\nThe PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15742)
", "text": "Fix integer overflows in contrib/fuzzystrmatch's levenshtein() and levenshtein_less_equal() functions (Nathan Bossart) § Passing large cost values to these functions could cause integer overflows, thereby producing nonsensical results, and even causing out-of-bounds writes in some cases. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15742)", "title": "Fix integer overflows in contrib/fuzzystrmatch's levenshtein() and levenshtein_less_equal() functions", "commits": ["74916136f"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "efaf901b26b3dc2edc79848517c2aa59685a99376a4ad88cc8b237a02996856f", "section_path": ["Changes"], "commit_groups": [["61481aa0e", "62c31b490", "74916136f", "918683d12", "9505175f2", "c4d51b627", "e88eb4e76"]], "identity_text": "Fix integer overflows in contrib/fuzzystrmatch's levenshtein() and levenshtein_less_equal() functions (Nathan Bossart) Passing large cost values to these functions could cause integer overflows, thereby producing nonsensical results, and even causing out-of-bounds writes in some cases. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. 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Query normalization didn't accurately account for the amount of space the normalized string would require.
\nThe PostgreSQL Project thanks Sajeeb Lohani (with TrendAI Zero Day Initiative) and Yuelin Wang for reporting this problem. (CVE-2026-14676)
", "text": "Fix buffer overrun in contrib/pg_stat_statements (Álvaro Herrera) Query normalization didn't accurately account for the amount of space the normalized string would require. The PostgreSQL Project thanks Sajeeb Lohani (with TrendAI Zero Day Initiative) and Yuelin Wang for reporting this problem. (CVE-2026-14676)", "title": "Fix buffer overrun in contrib/pg_stat_statements", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "ca48f4077f77c6c16b1f3b54ed2340924f89b69f65b4efb2a69cd24757c7f56b", "section_path": ["Changes"], "commit_groups": [["1e2795dde", "8a31ffc2d", "bb02eba53"]], "identity_text": "Fix buffer overrun in contrib/pg_stat_statements (Álvaro Herrera) Query normalization didn't accurately account for the amount of space the normalized string would require. The PostgreSQL Project thanks Sajeeb Lohani (with TrendAI Zero Day Initiative) and Yuelin Wang for reporting this problem. (CVE-2026-14676)", "commit_aliases": ["1e2795dde", "8a31ffc2d", "bb02eba53"], "source_commits": ["1e2795dde"], "source_entry_id": "15.19/changes/026", "db_id": "29895bb80ed2951a21b387b1a32fd0bf", "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22", "relations": [{"rule": 2, "type": "equivalent", "target": "aaa4509a01eb087a7c8dae3d3477599b", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}, {"rule": 2, "type": "equivalent", "target": "d7011cf7f02dec0d6f5320d50f1060d7", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}, {"rule": 2, "type": "equivalent", "target": "d8f3c95effa66c9d7648ed329303a70e", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}, {"rule": 2, "type": "equivalent", "target": "e84c1b71b1c15bae4e222a2f72d84864", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "e84c1b71b1c15bae4e222a2f72d84864", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=18.6#18.6-c2bc95cc72b98750", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "d7011cf7f02dec0d6f5320d50f1060d7", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=17.11#17.11-881f882c67a9948d", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "d8f3c95effa66c9d7648ed329303a70e", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=16.15#16.15-881f882c67a9948d", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "aaa4509a01eb087a7c8dae3d3477599b", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=14.24#14.24-881f882c67a9948d", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-057de36f6fc47ee3", "cves": ["CVE-2026-14678"], "html": "Fix datatype error in contrib/pg_trgm's GiST picksplit function (Heikki Linnakangas) §
This mistake resulted in reading past the end of the buffer, typically causing bad split decisions; but a crash could ensue if you're very unlucky.
\nThe PostgreSQL Project thanks Mehmet D. Ince for reporting this problem. (CVE-2026-14678)
", "text": "Fix datatype error in contrib/pg_trgm's GiST picksplit function (Heikki Linnakangas) § This mistake resulted in reading past the end of the buffer, typically causing bad split decisions; but a crash could ensue if you're very unlucky. The PostgreSQL Project thanks Mehmet D. Ince for reporting this problem. (CVE-2026-14678)", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "commits": ["c7c82a88c"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "3bb86d813a2b7c64e336aa5b3c0b0f13ae254f54c767d1192e3ead3e11921456", "section_path": ["Changes"], "commit_groups": [["1af08af69", "24c88cd39", "66c2dbb20", "849019a50", "a74aa0854", "aa7b5815e", "c7c82a88c"]], "identity_text": "Fix datatype error in contrib/pg_trgm's GiST picksplit function (Heikki Linnakangas) This mistake resulted in reading past the end of the buffer, typically causing bad split decisions; but a crash could ensue if you're very unlucky. The PostgreSQL Project thanks Mehmet D. Ince for reporting this problem. (CVE-2026-14678)", "commit_aliases": ["1af08af69", "24c88cd39", "66c2dbb20", "849019a50", "a74aa0854", "aa7b5815e", "c7c82a88c"], "source_commits": ["c7c82a88c"], "source_entry_id": "15.19/changes/027", "db_id": "b9b08968a5deb7a55558cd0e3c3ecb91", "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474", "relations": [{"rule": 2, "type": "equivalent", "target": "007e7b20002c9154a7b78500dad11fde", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}, {"rule": 2, "type": "equivalent", "target": "0bc10887e786dd035f4571e42ea848b8", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}, {"rule": 2, "type": "equivalent", "target": "1dcffcddaa3ea6a57ebf8bf560e8c531", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}, {"rule": 2, "type": "equivalent", "target": "c1b223f3527ab1382981f7ea6931f7ec", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}], "version": "15.19", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "0bc10887e786dd035f4571e42ea848b8", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=18.6#18.6-b960de4f8267096f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "007e7b20002c9154a7b78500dad11fde", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=17.11#17.11-caca197ce0ba4b3f", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "1dcffcddaa3ea6a57ebf8bf560e8c531", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=16.15#16.15-0621542d439e129f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "c1b223f3527ab1382981f7ea6931f7ec", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=14.24#14.24-76522194454c0c43", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-cf70552f3d82a213", "cves": ["CVE-2026-14671"], "html": "Remove the plan cache in contrib/refint (Ayush Tiwari) §
This caching behavior has several serious bugs, notably that check_foreign_key() embeds the new key values in its cascade-UPDATE queries, so a cached plan reuses the originally-needed values rather than the key values that should be used. The simplest solution is to remove it.
The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14671)
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\nThis error was introduced in the previous set of minor releases. It caused standby servers that were following a primary of an older minor release version to get stuck in some scenarios.
", "text": "Fix self-deadlock when replaying WAL generated by an older minor version (Andrey Borodin) § This error was introduced in the previous set of minor releases. It caused standby servers that were following a primary of an older minor release version to get stuck in some scenarios.", "title": "Fix self-deadlock when replaying WAL generated by an older minor version", "commits": ["2dfe75f98"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "b17b611b487041830a75361de1afdf619ca6abc7c777154923918dd030609bd4", "section_path": ["Changes"], "commit_groups": [["2bb60eb4f", "2dfe75f98", "42a3194e5"]], "identity_text": "Fix self-deadlock when replaying WAL generated by an older minor version (Andrey Borodin) This error was introduced in the previous set of minor releases. It caused standby servers that were following a primary of an older minor release version to get stuck in some scenarios.", "commit_aliases": ["2bb60eb4f", "2dfe75f98", "42a3194e5"], "source_commits": ["2dfe75f98"], "source_entry_id": "15.19/changes/029", "db_id": "f9e47f65a5de6643777c00ef8a224814", "patch_ids": ["391bc973cdca4b3d1a27beb999ce9ebe"], "statement_hash": "3690951e53a3f75de59c1b0018e637bfa23861de52ca307aa4d0888a917fa4fb", "relations": [{"rule": 2, "type": "equivalent", "target": "84ce4daf734d18a70c460556862b1365", "evidence": {"same_day": true, "patch_ids": ["391bc973cdca4b3d1a27beb999ce9ebe"], "statement_hash": "3690951e53a3f75de59c1b0018e637bfa23861de52ca307aa4d0888a917fa4fb"}}, {"rule": 2, "type": "equivalent", "target": "eb42e5aa2e27518ec6a03155135fe29e", "evidence": {"same_day": true, "patch_ids": ["391bc973cdca4b3d1a27beb999ce9ebe"], "statement_hash": "3690951e53a3f75de59c1b0018e637bfa23861de52ca307aa4d0888a917fa4fb"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "84ce4daf734d18a70c460556862b1365", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix self-deadlock when replaying WAL generated by an older minor version", "evidence": {"same_day": true, "patch_ids": ["391bc973cdca4b3d1a27beb999ce9ebe"], "statement_hash": "3690951e53a3f75de59c1b0018e637bfa23861de52ca307aa4d0888a917fa4fb"}, "url": "/docs/compare/?release=16.15#16.15-edc0d9fdf44f08e4", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "eb42e5aa2e27518ec6a03155135fe29e", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix self-deadlock when replaying WAL generated by an older minor version", "evidence": {"same_day": true, "patch_ids": ["391bc973cdca4b3d1a27beb999ce9ebe"], "statement_hash": "3690951e53a3f75de59c1b0018e637bfa23861de52ca307aa4d0888a917fa4fb"}, "url": "/docs/compare/?release=14.24#14.24-b04257b41ad2b97e", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-2115870724f13b57", "cves": [], "html": "Fix mis-handling of asynchronous reads when rescanning an asynchronous Append plan node (Alexander Korotkov, Gleb Kashkin, Etsuro Fujita) §
\nWhen an upper plan node rescans an Append before having read the entire Append output, we need to discard any in-flight requests sent to external servers (by postgres_fdw for example). This was not done correctly in cases where a subplan has parameter changes or is discarded by partition pruning in the next scan. The outcome could be incorrect query results, an infinite loop, or an assertion failure.
Fix error in partition pruning for RANGE-partitioned tables (David Rowley) §
\nIn some cases the DEFAULT partition would be skipped when it should not be, which could lead to rows missing from query results.
", "text": "Fix error in partition pruning for RANGE-partitioned tables (David Rowley) § In some cases the DEFAULT partition would be skipped when it should not be, which could lead to rows missing from query results.", "title": "Fix error in partition pruning for RANGE-partitioned tables", "commits": ["5190732c9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "a3abeee376d477bac0360f0e208539308e35cdf56631db6572821252703e2b1e", "section_path": ["Changes"], "commit_groups": [["02e69be47", "31f2acde5", "5190732c9", "6098f35f4", "709dfd27f", "9a0cd8e73", "f9282a650"]], "identity_text": "Fix error in partition pruning for RANGE-partitioned tables (David Rowley) In some cases the DEFAULT partition would be skipped when it should not be, which could lead to rows missing from query results.", "commit_aliases": ["02e69be47", "31f2acde5", "5190732c9", "6098f35f4", "709dfd27f", "9a0cd8e73", "f9282a650"], "source_commits": ["5190732c9"], "source_entry_id": "15.19/changes/031", "db_id": "8e616a25980e478e4ba1d40fd43361c9", "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23", "relations": [{"rule": 2, "type": "equivalent", "target": "128f5b0ef464d5fb3f9f8de9b62b5b0c", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}, {"rule": 2, "type": "equivalent", "target": "199c05dd5ca242a1207113d841920d91", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}, {"rule": 2, "type": "equivalent", "target": "b1408f66d7e290909c80f8c2b9d6a6e6", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}, {"rule": 2, "type": "equivalent", "target": "c03487e8eed72def14469f629495faba", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "128f5b0ef464d5fb3f9f8de9b62b5b0c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=18.6#18.6-1c1bf5522234d430", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "199c05dd5ca242a1207113d841920d91", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=17.11#17.11-ae4f5cd546a7dc28", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "b1408f66d7e290909c80f8c2b9d6a6e6", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=16.15#16.15-cce23f53ca16684a", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "c03487e8eed72def14469f629495faba", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=14.24#14.24-b6f407b6d50bed97", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-6f626d9b6541c108", "cves": [], "html": "Fix planner's nullability and strictness checks for value IN (array)
These checks should only succeed if the array operand is known to be non-empty, but that consideration was missed, allowing optimizations to be applied that should not be. This could result in wrong query answers if the array actually was empty.
", "text": "Fix planner's nullability and strictness checks for value IN (array) expressions (Ayush Tiwari) § These checks should only succeed if the array operand is known to be non-empty, but that consideration was missed, allowing optimizations to be applied that should not be. This could result in wrong query answers if the array actually was empty.", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "commits": ["53470ffba"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "c3348c795157db4fe2d4be474b58cfbffe7b761d244e9a85bacdc98405867293", "section_path": ["Changes"], "commit_groups": [["13b627a3e", "239eabda4", "26d6b7dc9", "277122036", "53470ffba", "6fcee189b", "9740c68ff"]], "identity_text": "Fix planner's nullability and strictness checks for value IN (array) expressions (Ayush Tiwari) These checks should only succeed if the array operand is known to be non-empty, but that consideration was missed, allowing optimizations to be applied that should not be. This could result in wrong query answers if the array actually was empty.", "commit_aliases": ["13b627a3e", "239eabda4", "26d6b7dc9", "277122036", "53470ffba", "6fcee189b", "9740c68ff"], "source_commits": ["53470ffba"], "source_entry_id": "15.19/changes/032", "db_id": "8c22785dc1e64a0a8f07acd08ee8695d", "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25", "relations": [{"rule": 2, "type": "equivalent", "target": "295b1a7da9077453b2e0fd1899e5c7e4", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}, {"rule": 2, "type": "equivalent", "target": "53fcc801e2a78a55196f6122abbd7a01", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}, {"rule": 2, "type": "equivalent", "target": "ad3ee3744d12ed87e41b743df908a973", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}, {"rule": 2, "type": "equivalent", "target": "c4e4aedd211ab9a3cebe71bab9209dff", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ad3ee3744d12ed87e41b743df908a973", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=18.6#18.6-7f07d942a2dc7fb3", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "53fcc801e2a78a55196f6122abbd7a01", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=17.11#17.11-0179d9549f7c629e", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "c4e4aedd211ab9a3cebe71bab9209dff", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=16.15#16.15-fa8b871fcf656789", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "295b1a7da9077453b2e0fd1899e5c7e4", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=14.24#14.24-1f1442421fcf2295", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-af11d749ae05b88c", "cves": [], "html": "Add missed checks for hashability of equality comparisons on container datatypes (arrays, composites, ranges) (Andrei Lepikhov, Tom Lane) §
\nThe planner must verify hashability of the container's component type(s) before deciding it can use a hash-based plan type. This step was missed in some places, leading to “could not identify a hash function” failures at execution.
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These window functions were treated as monotonic when they should not be, allowing wrong answers to be computed.
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Disallow renaming a rule to _RETURN (Tom Lane) §
That name is reserved for a view's ON SELECT rule, but ALTER RULE allowed renaming other rules to _RETURN, causing trouble later.
Fix use of REINDEX CONCURRENTLY with a deferred uniqueness constraint (Nitin Motiani) §
The transient index copy created during REINDEX CONCURRENTLY was incorrectly marked as enforcing immediate uniqueness, causing spurious reports of constraint violation.
Fix matching of localized month/day names in to_date() (Heikki Linnakangas) §
The matching logic misbehaved in cases where case-folding changes the byte length of the string.
", "text": "Fix matching of localized month/day names in to_date() (Heikki Linnakangas) § The matching logic misbehaved in cases where case-folding changes the byte length of the string.", "title": "Fix matching of localized month/day names in to_date()", "commits": ["0de744cd5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "fde415a9cbbbfd78f7c98455d8161c938fef9b81e3b4559a49d2b2864bd61149", "section_path": ["Changes"], "commit_groups": [["011384ba4", "0de744cd5", "49a712f32", "55ea76426", "8acfaa12a", "b594efe52", "fd2b89854"]], "identity_text": "Fix matching of localized month/day names in to_date() (Heikki Linnakangas) The matching logic misbehaved in cases where case-folding changes the byte length of the string.", "commit_aliases": ["011384ba4", "0de744cd5", "49a712f32", "55ea76426", "8acfaa12a", "b594efe52", "fd2b89854"], "source_commits": ["0de744cd5"], "source_entry_id": "15.19/changes/038", "db_id": "0800233346f3a252c62d9a6f579d5573", "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da", "relations": [{"rule": 2, "type": "equivalent", "target": "08bd69e7cd8f7b8bd4623958f924ac19", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}}, {"rule": 2, "type": "equivalent", "target": "b0d8986fede0f1216361d5a43a076e4e", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}}, {"rule": 2, "type": "equivalent", "target": "d3800c6695b429dd746c574f0d0d93e5", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}}, {"rule": 2, "type": "related", "target": "eb74da46a95f0db0c15adface2feaffa", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "eb74da46a95f0db0c15adface2feaffa", "kind": "related", "version": "18.6", "label": "18.6", "title": "Fix matching of localized month/day names in to_date()", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}, "url": "/docs/compare/?release=18.6#18.6-937d0b3149314116", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "b0d8986fede0f1216361d5a43a076e4e", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix matching of localized month/day names in to_date()", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}, "url": "/docs/compare/?release=17.11#17.11-8557fc5fb2204540", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "08bd69e7cd8f7b8bd4623958f924ac19", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix matching of localized month/day names in to_date()", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}, "url": "/docs/compare/?release=16.15#16.15-6af7d41f64cafafa", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "d3800c6695b429dd746c574f0d0d93e5", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix matching of localized month/day names in to_date()", "evidence": {"same_day": true, "patch_ids": ["b8ca654311e23485845960b9d01e76fc"], "statement_hash": "ef6d4c6554fba5da9f815beec3f0b6e84e2334ba9bd093035db08b8e3c61e1da"}, "url": "/docs/compare/?release=14.24#14.24-8ab3e783a00643a8", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-dab67300bc6bbe1f", "cves": [], "html": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE) (Diego Frias, Michael Paquier) §
\nThis character was treated as a valid T syllable, which it is not, and hence silently swallowed during normalization.
", "text": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE) (Diego Frias, Michael Paquier) § This character was treated as a valid T syllable, which it is not, and hence silently swallowed during normalization.", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "commits": ["c391375ba"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "21ef20103124edd163e1cee939e4e33db96a1c7bb349472d87425db8a61bd1ae", "section_path": ["Changes"], "commit_groups": [["0c9cbbfb5", "273fe9485", "82116023e", "8bb935d61", "c391375ba", "f2ff15e4c"]], "identity_text": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE) (Diego Frias, Michael Paquier) This character was treated as a valid T syllable, which it is not, and hence silently swallowed during normalization.", "commit_aliases": ["0c9cbbfb5", "273fe9485", "82116023e", "8bb935d61", "c391375ba", "f2ff15e4c"], "source_commits": ["c391375ba"], "source_entry_id": "15.19/changes/039", "db_id": "aaef9ba320136440f8b0a3ec12c67f23", "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717", "relations": [{"rule": 2, "type": "equivalent", "target": "3a6050c2cb2fe8b496eaa4963a657d6a", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}, {"rule": 2, "type": "equivalent", "target": "3ca62c531cc3952831a57b828ba3be6f", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}, {"rule": 2, "type": "equivalent", "target": "955b29dab0dd740875781e1df1992bdc", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}, {"rule": 2, "type": "equivalent", "target": "b4da21230a332d29b7fdd0c30e5eb1b0", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3a6050c2cb2fe8b496eaa4963a657d6a", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=18.6#18.6-bad72301bf213a01", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "955b29dab0dd740875781e1df1992bdc", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=17.11#17.11-ed1426e8e931d4ba", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "b4da21230a332d29b7fdd0c30e5eb1b0", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=16.15#16.15-b06391696fc6a94f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "3ca62c531cc3952831a57b828ba3be6f", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=14.24#14.24-68c56e11fd51d378", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-28d4f1c94a8ecc1a", "cves": [], "html": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries (Jeff Davis) §
If folding to lower case increased the byte length of a lexeme, it was incorrectly truncated to its original byte length when emitted.
", "text": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries (Jeff Davis) § If folding to lower case increased the byte length of a lexeme, it was incorrectly truncated to its original byte length when emitted.", "title": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries", "commits": ["a7e0e42a2"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "3ef9e1bb2493ea6e8c912fc1b4c532b18941ca0e264bc6531ce6745ea1feb0cb", "section_path": ["Changes"], "commit_groups": [["1e0458172", "3805641cb", "89e648498", "9234e3337", "a7e0e42a2", "b32df590c"]], "identity_text": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries (Jeff Davis) If folding to lower case increased the byte length of a lexeme, it was incorrectly truncated to its original byte length when emitted.", "commit_aliases": ["1e0458172", "3805641cb", "89e648498", "9234e3337", "a7e0e42a2", "b32df590c"], "source_commits": ["a7e0e42a2"], "source_entry_id": "15.19/changes/040", "db_id": "0633548b5897af860062f0da29c48e44", "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3", "relations": [{"rule": 2, "type": "equivalent", "target": "347d8e16786f9262348eddb4e4ab7132", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}}, {"rule": 2, "type": "equivalent", "target": "3af409a2d71c7fbd1a45975cdba31ea0", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}}, {"rule": 2, "type": "equivalent", "target": "a4a88f042e4bc74a3646ee98fc6e3a95", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}}, {"rule": 2, "type": "equivalent", "target": "ae43518b0809db4841928b42a3de5142", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}}], "version": "15.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "347d8e16786f9262348eddb4e4ab7132", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}, "url": "/docs/compare/?release=18.6#18.6-3c978527782bcd11", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a4a88f042e4bc74a3646ee98fc6e3a95", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}, "url": "/docs/compare/?release=17.11#17.11-a4695342e5fc0fc7", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "ae43518b0809db4841928b42a3de5142", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}, "url": "/docs/compare/?release=16.15#16.15-2163d6f45ee0d876", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "3af409a2d71c7fbd1a45975cdba31ea0", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries", "evidence": {"same_day": true, "patch_ids": ["751e547292fa99c95c843d27d6c9593a"], "statement_hash": "c66911e6e36c7126e1b585143d9e9b87d38db4e29cfb38c6987eff4e2c4f70d3"}, "url": "/docs/compare/?release=14.24#14.24-c33079f2a44ffdbd", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-366fd641b8a79f60", "cves": [], "html": "Fix typo in hash_record_extended() (Man Zeng) §
The code failed to initialize the second isnull argument passed to FunctionCallInvoke(). This is harmless for existing in-core extended hash support functions, which will not examine that value. However, extension-provided hash functions could be affected if they inspect PG_ARGISNULL(1).
Prevent satisfies_hash_partition() from crashing with VARIADIC NULL (Robert Haas) §
Report invalid-weight errors more cleanly and consistently in tsvector_filter() and allied functions (Ewan Young) §
In particular, report weight characters that are not printable ASCII in octal form (\\), as nnncharout() would render them. This avoids possibly producing an invalidly-encoded error message.
Fix mishandling of namespace nodes in xpath() (Michael Paquier) § §
This fix avoids an unexpected “could not copy node” error.
", "text": "Fix mishandling of namespace nodes in xpath() (Michael Paquier) § § This fix avoids an unexpected “could not copy node” error.", "title": "Fix mishandling of namespace nodes in xpath()", "commits": ["1d8c72b2e", "9618e790c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "d43a66fed36a5465b1811e7c26555256b97059a6f97f6762e750f1452f242466", "section_path": ["Changes"], "commit_groups": [["0b74df66f", "0d145be2c", "940916549", "9618e790c", "a17f39aa2", "fac26fd41"], ["174076601", "1d8c72b2e", "41876c8d7", "4c777d6dd", "6c08cbb7a", "8bf257aeb"]], "identity_text": "Fix mishandling of namespace nodes in xpath() (Michael Paquier) This fix avoids an unexpected could not copy node error.", "commit_aliases": ["0b74df66f", "0d145be2c", "174076601", "1d8c72b2e", "41876c8d7", "4c777d6dd", "6c08cbb7a", "8bf257aeb", "940916549", "9618e790c", "a17f39aa2", "fac26fd41"], "source_commits": ["1d8c72b2e", "9618e790c"], "source_entry_id": "15.19/changes/044", "db_id": "c9299f10a2be68af64d82e072893d1fa", "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37", "relations": [{"rule": 2, "type": "equivalent", "target": "9d61a6c023f441c2a3883f44804564ca", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}}, {"rule": 2, "type": "equivalent", "target": "a3cd7c73a5609ef9df5a2f2035307742", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}}, {"rule": 2, "type": "equivalent", "target": "d35a51c2f2bcdba360c287240fa92b7a", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}}, {"rule": 2, "type": "equivalent", "target": "da05c3ee44af186be3d4b5b7c6f0afe4", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9d61a6c023f441c2a3883f44804564ca", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix mishandling of namespace nodes in xpath()", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}, "url": "/docs/compare/?release=18.6#18.6-a9563797105c5be3", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a3cd7c73a5609ef9df5a2f2035307742", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix mishandling of namespace nodes in xpath()", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}, "url": "/docs/compare/?release=17.11#17.11-aea52062a31be5cf", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "da05c3ee44af186be3d4b5b7c6f0afe4", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix mishandling of namespace nodes in xpath()", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}, "url": "/docs/compare/?release=16.15#16.15-3d663bf2b0295097", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "d35a51c2f2bcdba360c287240fa92b7a", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix mishandling of namespace nodes in xpath()", "evidence": {"same_day": true, "patch_ids": ["702367d070cdeca227ba0e4197a518e9", "7df9ed5e8663765f5ca836c89d33f03d"], "statement_hash": "2ab954d63190bf0ecdc409c287a734a5049667a3d9db9dc5337f82a35275db37"}, "url": "/docs/compare/?release=14.24#14.24-c7c54909a4e7d896", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-776ae1444b6bc6e2", "cves": [], "html": "Treat an undefined jsonpath variable as an error even when no variables are supplied (Andrey Rachitskiy) §
\nThe jsonb @? and @@ operators cannot supply any variables to be used in their jsonpath expressions. This code path erroneously treated an unknown jsonpath variable as a JSON null, rather than raising an error as expected. Aside from not being the expected behavior, this mistake could result in unbounded memory consumption.
Avoid machine-dependent behavior when dividing the smallest possible money value by -1 (Andrey Rachitskiy) §
Fix crash after out-of-memory failure partway through creation of a cache entry for a text search dictionary (Tom Lane) §
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\nThe shared lock will conflict with any attempt to drop the depended-on object, eliminating the race condition that formerly existed. For example, if one session drops a schema (that appears empty to it) concurrently with some other session creating a function in that schema, previously both transactions could commit, leaving an invalid function definition behind. Now, one transaction or the other will fail.
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For example, if one session drops a schema (that appears empty to it) concurrently with some other session creating a function in that schema, previously both transactions could commit, leaving an invalid function definition behind. 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A conflict could be missed when examining an initially-empty btree index, allowing failure of serializability due to improperly allowing conflicting transactions to commit.
", "text": "Fix race condition in conflict detection for SERIALIZABLE isolation mode (Peter Geoghegan) § A conflict could be missed when examining an initially-empty btree index, allowing failure of serializability due to improperly allowing conflicting transactions to commit.", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "commits": ["5d18105ca"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "81d0a20ac2183f044d380bdbf9e7c319f6cef666998ed39c26311293fcf851a3", "section_path": ["Changes"], "commit_groups": [["2aa3c6d1f", "2fc3e1b44", "5d18105ca", "8434c9385", "ce3f19e26", "d560e730e", "e321faaae"]], "identity_text": "Fix race condition in conflict detection for SERIALIZABLE isolation mode (Peter Geoghegan) A conflict could be missed when examining an initially-empty btree index, allowing failure of serializability due to improperly allowing conflicting transactions to commit.", "commit_aliases": ["2aa3c6d1f", "2fc3e1b44", "5d18105ca", "8434c9385", "ce3f19e26", "d560e730e", "e321faaae"], "source_commits": ["5d18105ca"], "source_entry_id": "15.19/changes/053", "db_id": "8911cf537e3c81e99f223106f705f385", "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297", "relations": [{"rule": 2, "type": "equivalent", "target": "03ed91689e7472f3e2b40c0668a9efe6", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}, {"rule": 2, "type": "equivalent", "target": "06c841c7e97c29498c3c18507b648e43", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}, {"rule": 2, "type": "equivalent", "target": "37ab9407c7a4720c042c3c30e616b840", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}, {"rule": 2, "type": "equivalent", "target": "a69025df57e9873eeee634c6a24b5f52", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "37ab9407c7a4720c042c3c30e616b840", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=18.6#18.6-020cfc417a109d87", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "06c841c7e97c29498c3c18507b648e43", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=17.11#17.11-869506b0934d2991", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "a69025df57e9873eeee634c6a24b5f52", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=16.15#16.15-1a9b527727b160db", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "03ed91689e7472f3e2b40c0668a9efe6", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=14.24#14.24-62f053723972383a", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-dd69f8df8a3640ae", "cves": [], "html": "Fix race condition in ProcSignalBarrier code (Masahiko Sawada) §
\nThis error could result in processes getting stuck, typically after reporting “still waiting for backend with PID nnnn to accept ProcSignalBarrier”.
Fix race conditions when a set of processes that belong to the same lock group exit at the same time (Vlad Lesin) § §
\nThese errors could lead to PANIC aborts, with messages such as “latch already owned”. The issue does not normally arise in regular parallel query, since the leader won't exit before seeing its workers finish; but some extensions reach the problem.
", "text": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time (Vlad Lesin) § § These errors could lead to PANIC aborts, with messages such as “latch already owned”. The issue does not normally arise in regular parallel query, since the leader won't exit before seeing its workers finish; but some extensions reach the problem.", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "commits": ["d5cc6df60", "e786fb5aa"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "4eb9563d0d07f27c149241da619fcfd96f96fd66d4778160e977bebb4494627b", "section_path": ["Changes"], "commit_groups": [["12c9b8b42", "4e8edf53f", "84b9d6bce", "db4d12fc9", "e14b4ea4a", "e786fb5aa"], ["563104523", "65d04df60", "8007d1185", "ae08eb168", "d489c4439", "d5cc6df60"]], "identity_text": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time (Vlad Lesin) These errors could lead to PANIC aborts, with messages such as latch already owned. The issue does not normally arise in regular parallel query, since the leader won't exit before seeing its workers finish; but some extensions reach the problem.", "commit_aliases": ["12c9b8b42", "4e8edf53f", "563104523", "65d04df60", "8007d1185", "84b9d6bce", "ae08eb168", "d489c4439", "d5cc6df60", "db4d12fc9", "e14b4ea4a", "e786fb5aa"], "source_commits": ["d5cc6df60", "e786fb5aa"], "source_entry_id": "15.19/changes/055", "db_id": "edd683109ce0095065cd3a04ab6b5136", "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592", "relations": [{"rule": 2, "type": "equivalent", "target": "2c46dad30462775a825ad96cfb3ffbdf", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}, {"rule": 2, "type": "equivalent", "target": "5b2fc7485dc383d08b3d68f5272b2a11", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}, {"rule": 2, "type": "equivalent", "target": "62cbccb23171427808fec1301b0ac804", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}, {"rule": 2, "type": "equivalent", "target": "f2fcbfdff352b775c9b16fc62d0649b5", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5b2fc7485dc383d08b3d68f5272b2a11", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=18.6#18.6-25e5a2422482dd1c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "62cbccb23171427808fec1301b0ac804", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=17.11#17.11-31516fe59eede273", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "2c46dad30462775a825ad96cfb3ffbdf", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=16.15#16.15-90b68cb35e0fad17", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "f2fcbfdff352b775c9b16fc62d0649b5", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=14.24#14.24-fc8ff9cc62311a3d", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-aed6228ca708ae21", "cves": [], "html": "Avoid exposing a WAL receiver's full connection string during timeline jumps (Chao Li) §
\nThe pg_stat_wal_receiver view should show a sanitized version of the connection string, without sensitive data. But it transiently showed the full string when we re-use an existing WAL receiver.
Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication (Varik Matevosyan) §
\nA malicious or buggy publisher could send inconsistent numbers of columns. While we could not find a scenario in which this would have serious ill effects, extra caution seems warranted.
", "text": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication (Varik Matevosyan) § A malicious or buggy publisher could send inconsistent numbers of columns. While we could not find a scenario in which this would have serious ill effects, extra caution seems warranted.", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "commits": ["871d4f5b6"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "6136e085259e34963ca22234ff8c356685acf0bd1cf36c3240815a524fe6d45f", "section_path": ["Changes"], "commit_groups": [["15f4e3d0c", "510a05f07", "59759e1a5", "871d4f5b6", "bf7d19be9", "dc3db3a83"]], "identity_text": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication (Varik Matevosyan) A malicious or buggy publisher could send inconsistent numbers of columns. While we could not find a scenario in which this would have serious ill effects, extra caution seems warranted.", "commit_aliases": ["15f4e3d0c", "510a05f07", "59759e1a5", "871d4f5b6", "bf7d19be9", "dc3db3a83"], "source_commits": ["871d4f5b6"], "source_entry_id": "15.19/changes/057", "db_id": "b984d160c74d462df46c0818a7351ddb", "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215", "relations": [{"rule": 2, "type": "equivalent", "target": "29b7d5b8d289c2e83357b4b3887c6ece", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}, {"rule": 2, "type": "equivalent", "target": "2bec14054822093ac2f6b8e098cf50ef", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}, {"rule": 2, "type": "equivalent", "target": "3d36fdfc273db605a521f97942cc7c8b", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}, {"rule": 2, "type": "equivalent", "target": "52499b2c374ab99a8520d4e208b224ca", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "29b7d5b8d289c2e83357b4b3887c6ece", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=18.6#18.6-842cc1f1f4a2405b", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "52499b2c374ab99a8520d4e208b224ca", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=17.11#17.11-83651d53e036fd59", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "3d36fdfc273db605a521f97942cc7c8b", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=16.15#16.15-a8762c512498c73b", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "2bec14054822093ac2f6b8e098cf50ef", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=14.24#14.24-09af4da1397bcb08", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-f46d264eacda5b12", "cves": [], "html": "Clean up quoting of string parameters within constructed replication commands (Tom Lane) §
\nVarious places that generate replication commands were not being adequately careful about quoting replication slot names and other parameters that need to be inserted into those commands. This could result in unexpected syntax errors in those commands. In principle, a crafted replication slot name could result in SQL injection; but such a scenario seems very unlikely to occur in practice, since replication operations can only be invoked by highly-privileged users and there is no reason for them to use a slot name coming from an untrustworthy source.
", "text": "Clean up quoting of string parameters within constructed replication commands (Tom Lane) § Various places that generate replication commands were not being adequately careful about quoting replication slot names and other parameters that need to be inserted into those commands. This could result in unexpected syntax errors in those commands. In principle, a crafted replication slot name could result in SQL injection; but such a scenario seems very unlikely to occur in practice, since replication operations can only be invoked by highly-privileged users and there is no reason for them to use a slot name coming from an untrustworthy source.", "title": "Clean up quoting of string parameters within constructed replication commands", "commits": ["819e5b964"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "1d058a8acbdc3b804081ca3fd9a8e7b27bdfcf33798a0f4ef03c9d57e445157c", "section_path": ["Changes"], "commit_groups": [["14810cc0d", "26d6c19d0", "2a00840e8", "819e5b964", "a75bd485b", "abb582555"]], "identity_text": "Clean up quoting of string parameters within constructed replication commands (Tom Lane) Various places that generate replication commands were not being adequately careful about quoting replication slot names and other parameters that need to be inserted into those commands. This could result in unexpected syntax errors in those commands. In principle, a crafted replication slot name could result in SQL injection; but such a scenario seems very unlikely to occur in practice, since replication operations can only be invoked by highly-privileged users and there is no reason for them to use a slot name coming from an untrustworthy source.", "commit_aliases": ["14810cc0d", "26d6c19d0", "2a00840e8", "819e5b964", "a75bd485b", "abb582555"], "source_commits": ["819e5b964"], "source_entry_id": "15.19/changes/058", "db_id": "492d74031b46a2dbdba89517c2392411", "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa", "relations": [{"rule": 2, "type": "equivalent", "target": "1ef980c1780b85528850bbdd9466fa41", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}, {"rule": 2, "type": "equivalent", "target": "54ed2b1cad03859f062c5ae13dc62693", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}, {"rule": 2, "type": "equivalent", "target": "74c4a1b4a808ecb95dfae29020191080", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}, {"rule": 2, "type": "equivalent", "target": "de678a747a30bf549de927b53ebbc3e7", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}], "version": "15.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1ef980c1780b85528850bbdd9466fa41", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=18.6#18.6-9e33f830eed35c6f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "de678a747a30bf549de927b53ebbc3e7", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=17.11#17.11-f6a7585b485a41e6", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "74c4a1b4a808ecb95dfae29020191080", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=16.15#16.15-af8c105159d57f3b", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "54ed2b1cad03859f062c5ae13dc62693", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=14.24#14.24-064a7da098f9ba6c", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-0420887ee7fc19e1", "cves": [], "html": "Fix logical decoding of empty prepared transactions (Masahiko Sawada) §
\nA prepared transaction that did not cause any decodable updates could result in sending COMMIT/ROLLBACK PREPARED to the output plugin with no preceding PREPARE. For the built-in subscriber this breaks replication, and other plugins will probably not like it either.
Fix corruption of unlogged sequences after standby promotion (Fujii Masao) §
\nPreviously, if an unlogged sequence was created on the primary and replicated to a standby, accessing the sequence after promoting the standby could fail with “bad magic number in sequence” or related errors.
", "text": "Fix corruption of unlogged sequences after standby promotion (Fujii Masao) § Previously, if an unlogged sequence was created on the primary and replicated to a standby, accessing the sequence after promoting the standby could fail with “bad magic number in sequence” or related errors.", "title": "Fix corruption of unlogged sequences after standby promotion", "commits": ["d2980067b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "f3bfa02aaefbf0708818ba7737598ef2db5de69a7b7dc6fd8a4ff3354d1858d5", "section_path": ["Changes"], "commit_groups": [["22af34b98", "627605713", "8e684ce11", "913d3b610", "a1ed6a9a0", "d2980067b"]], "identity_text": "Fix corruption of unlogged sequences after standby promotion (Fujii Masao) Previously, if an unlogged sequence was created on the primary and replicated to a standby, accessing the sequence after promoting the standby could fail with bad magic number in sequence or related errors.", "commit_aliases": ["22af34b98", "627605713", "8e684ce11", "913d3b610", "a1ed6a9a0", "d2980067b"], "source_commits": ["d2980067b"], "source_entry_id": "15.19/changes/060", "db_id": "ecc31612cc8e203d9211831d84c3f264", "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462", "relations": [{"rule": 2, "type": "equivalent", "target": "04e99de2d6b9c7c2dbe0bac4e30b6b62", "evidence": {"same_day": true, "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462"}}, {"rule": 2, "type": "equivalent", "target": "1ce08b2128763f685c989c7f545e1b3e", "evidence": {"same_day": true, "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462"}}, {"rule": 2, "type": "equivalent", "target": "7c75fcad7f434b0760cdb29e86f36c46", "evidence": {"same_day": true, "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462"}}], "version": "15.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7c75fcad7f434b0760cdb29e86f36c46", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix corruption of unlogged sequences after standby promotion", "evidence": {"same_day": true, "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462"}, "url": "/docs/compare/?release=18.6#18.6-a4136eca0096397b", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "04e99de2d6b9c7c2dbe0bac4e30b6b62", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Fix corruption of unlogged sequences after standby promotion", "evidence": {"same_day": true, "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462"}, "url": "/docs/compare/?release=17.11#17.11-bbdd9aa8c76021bc", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "1ce08b2128763f685c989c7f545e1b3e", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix corruption of unlogged sequences after standby promotion", "evidence": {"same_day": true, "patch_ids": ["0c00c75b81c9cf4e2c7dd727d7f47148"], "statement_hash": "6ef22cc70bed7a3bdbb01c79c02e183283e72e3ea1060f614fc65f0d30467462"}, "url": "/docs/compare/?release=16.15#16.15-5f2f728c30848e40", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}]}, {"id": "15.19-4395db3387c7cd38-2", "cves": [], "html": "Fix cascading standby reconnect failure after archive fallback (Marco Nenciarini) §
\nA cascading standby could fail to reconnect to its upstream standby with “requested starting point ... is ahead of the WAL flush position” after falling back to archive recovery.
", "text": "Fix cascading standby reconnect failure after archive fallback (Marco Nenciarini) § A cascading standby could fail to reconnect to its upstream standby with “requested starting point ... is ahead of the WAL flush position” after falling back to archive recovery.", "title": "Fix cascading standby reconnect failure after archive fallback", "commits": ["8f64cc83f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "db30737be396c5f0e66b69127ed0bf8db11680163896f75ed0ccec36f8264aad", "section_path": ["Changes"], "commit_groups": [["2cf28d1b9", "331016322", "5dbeb69bc", "5fb3c6389", "8f64cc83f", "b614de487", "bef46aed3"]], "identity_text": "Fix cascading standby reconnect failure after archive fallback (Marco Nenciarini) A cascading standby could fail to reconnect to its upstream standby with requested starting point ... is ahead of the WAL flush position after falling back to archive recovery.", "commit_aliases": 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\nThe slot-releasing code performed some additional updates to the replication slot's shared-memory entry after releasing the slot. This is unsafe since another session could immediately re-use the dropped slot's shared-memory entry. Skip those updates in the case of an ephemeral slot.
", "text": "Avoid race condition while dropping ephemeral replication slots (Zhijie Hou) § The slot-releasing code performed some additional updates to the replication slot's shared-memory entry after releasing the slot. This is unsafe since another session could immediately re-use the dropped slot's shared-memory entry. Skip those updates in the case of an ephemeral slot.", "title": "Avoid race condition while dropping ephemeral replication slots", "commits": ["a4eb59d40"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.19/#id-1.11.6.6.5", "source_hash": "762e659e02124b3ba2f91d604d40d1146f8fd50c7f0ca31df19b64282d085f51", "section_path": ["Changes"], "commit_groups": [["080d61f07", "51e79222c", "968c50845", "a4eb59d40", "f2081a780", "f833c9207"]], "identity_text": "Avoid race condition while dropping ephemeral replication slots (Zhijie Hou) The slot-releasing code performed some additional updates to the replication slot's shared-memory entry after releasing the slot. This is unsafe since another session could immediately re-use the dropped slot's shared-memory entry. Skip those updates in the case of an ephemeral slot.", "commit_aliases": ["080d61f07", "51e79222c", "968c50845", "a4eb59d40", "f2081a780", "f833c9207"], "source_commits": ["a4eb59d40"], "source_entry_id": "15.19/changes/062", "db_id": "68414efdd4fd28ffb448691fcc350390", "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282", "relations": [{"rule": 2, "type": "equivalent", "target": "56d06487f4f5f34eaa3c2bcb9a9adcec", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}}, {"rule": 2, "type": "equivalent", "target": "acb52269a9ab57fd523cb58a71e121ec", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}}, {"rule": 2, "type": "equivalent", "target": "e7a4717de56195de8e84ae36133e6f25", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}}, {"rule": 2, "type": "equivalent", "target": "f11ac7346f20210841ca22799f957bad", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}}], "version": "15.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e7a4717de56195de8e84ae36133e6f25", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Avoid race condition while dropping ephemeral replication slots", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}, "url": "/docs/compare/?release=18.6#18.6-63934e389520e7b8", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "56d06487f4f5f34eaa3c2bcb9a9adcec", "kind": "equivalent", "version": "17.11", "label": "17.11", "title": "Avoid race condition while dropping ephemeral replication slots", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}, "url": "/docs/compare/?release=17.11#17.11-1bc3f286c6ac2176", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES"}, {"db_id": "f11ac7346f20210841ca22799f957bad", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Avoid race condition while dropping ephemeral replication slots", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}, "url": "/docs/compare/?release=16.15#16.15-2f83798db4bea0d0", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "acb52269a9ab57fd523cb58a71e121ec", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Avoid race condition while dropping ephemeral replication slots", "evidence": {"same_day": true, "patch_ids": ["a917b168697862cb05827b9e9d804879"], "statement_hash": "87055d6044521ae3f6b6a74d5c840e75e79be3ee687ddbb92cb366dcb1601282"}, "url": "/docs/compare/?release=14.24#14.24-b14b0a9051dbe228", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "15.19-8a44f6ca416f3ae9", "cves": [], "html": "Fix stale progress reports during logical replication table synchronization (Shinya Kato) §
\nPreviously, the pg_stat_progress_copy view in the subscriber would continue to show the initial COPY operation as active even after the data copy had finished. The stale entry remained visible until synchronization caught up with the publisher.
Clear base backup progress on backup failure (Chao Li) § §
\nPreviously the pg_stat_progress_basebackup view would continue to show a stale progress entry after a failure, until the replication client disconnected. pg_basebackup normally disconnects immediately, but other clients might not.
Fix possible PANIC due to concurrent drop of pgstats entries when track_functions is enabled (Sami Imseih, Michael Paquier) § § §
Clean up broken local pgstats entry after failing to obtain space for the corresponding shared hashtable entry (Niall Newman) §
\nFailure to do this led to a null-pointer dereference the next time the local entry was used.
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Fix psql's tab completion for \\df to consider procedures too (Erik Wienhold) §
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Use the source cluster's group-read file permissions for pg_recvlogical output files (Fujii Masao) §
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This error could result in doing excess work while verifying a btree index, but seems not to have had any worse consequences.
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In contrib/btree_gist, fix searches using a not-equal operator (Ayush Tiwari) §
For variable-length data types, the code for scanning non-leaf index pages applied the wrong comparison function, leading to wrong results and potentially crashes.
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Prevent stack overflow when dealing with deeply nested jsonb values, and allow interruption of the infinite loop caused when attempting to dereference circular chains of Perl object references.
Fix missed release of statistics catcache entry in contrib/intarray (Man Zeng) §
This oversight led to warnings like “resource was not closed: cache pg_statistic”.
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ltree values containing more than about 14,653 labels resulted in wrong comparison answers due to overflow. If a btree index contains such values, it is probably corrupt and should be reindexed after installing this update.
Fix array overrun in contrib/pg_surgery's heap_force_kill and heap_force_freeze functions (Michael Paquier) §
Attempting to change a TID whose offset number equals MaxHeapTuplesPerPage wrote one byte past the end of the allocated array, potentially crashing the server.
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Avoid NULL-pointer dereference in contrib/refint's check_foreign_key() (Ayush Tiwari) §
In the on-update-cascade case, a null value of a referenced column led to a crash. This is an oversight in the fix for CVE-2026-6637, but the code that was there before that wasn't really right either.
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Due to a typo, seg_out() did not print a ~ certainty indicator attached to a segment's upper boundary. Worse, if the lower boundary had ~ while the upper boundary had no indicator, the upper boundary was not printed at all, incorrectly converting the value into an open interval.
Fix crash with namespace nodes in contrib/xml2's xpath_nodeset() function (Andrey Chernyy, Michael Paquier) §
Support building PostgreSQL with Visual Studio 2026 (Andrew Dunstan) §
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Morocco (Africa/Casablanca) will move to permanent UTC+00, without daylight saving time transitions, on 2026-09-20.
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The StartSel, StopSel and FragmentDelimiter strings must not exceed 32Kb in length, but this was not checked for. An over-length value would typically crash the server.
The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)
", "text": "Reject over-length options in ts_headline() (Michael Paquier) § The StartSel, StopSel and FragmentDelimiter strings must not exceed 32Kb in length, but this was not checked for. An over-length value would typically crash the server. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "title": "Reject over-length options in ts_headline()", "commits": ["7fe365693"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "73b4c2273677460fa9562a69ea44ddf7febd59d4701053ce9288b69ef40c99c8", "section_path": ["Changes"], "commit_groups": [["2d267ffc4", "3ed3dbbf4", "5919e0005", "62ad26266", "7fe365693", "d388e1d7f"]], "identity_text": "Reject over-length options in ts_headline() (Michael Paquier) The StartSel, StopSel and FragmentDelimiter strings must not exceed 32Kb in length, but this was not checked for. An over-length value would typically crash the server. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "commit_aliases": ["2d267ffc4", "3ed3dbbf4", "5919e0005", "62ad26266", "7fe365693", "d388e1d7f"], "source_commits": ["7fe365693"], "source_entry_id": "15.18/changes/003", "db_id": "c2a972753505f1b0a01bf236c883ccad", "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330", "relations": [{"rule": 2, "type": "equivalent", "target": "0d396ecb6f57179d943c76706100debf", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}, {"rule": 2, "type": "equivalent", "target": "4e96017be5ce2c6f1d23bf476a962747", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}, {"rule": 2, "type": "equivalent", "target": "afe38bbdb09239daec9610fc4bf0002f", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}, {"rule": 2, "type": "equivalent", "target": "ca39bd1c4d36eb3d5c6808cd66068408", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "afe38bbdb09239daec9610fc4bf0002f", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=18.4#18.4-2463210164fd4e42", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "0d396ecb6f57179d943c76706100debf", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=17.10#17.10-b66b265350df29d2", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "4e96017be5ce2c6f1d23bf476a962747", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=16.14#16.14-d9ce899f638fe2e1", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "ca39bd1c4d36eb3d5c6808cd66068408", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=14.23#14.23-c4c6b68f62616df1", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-f5ceddac85b73b26", "cves": ["CVE-2026-6474"], "html": "Guard against malicious time zone names in timeofday() and pg_strftime() (Tom Lane) § §
A crafted time zone setting could pass % sequences to snprintf(), potentially causing crashes or disclosure of server memory. Another path to similar results was to overflow the limited-size output buffer used by pg_strftime().
The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6474)
", "text": "Guard against malicious time zone names in timeofday() and pg_strftime() (Tom Lane) § § A crafted time zone setting could pass % sequences to snprintf(), potentially causing crashes or disclosure of server memory. Another path to similar results was to overflow the limited-size output buffer used by pg_strftime(). The PostgreSQL Project thanks Xint Code for reporting this problem. 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The multirange type can be put into a different schema than its parent range type, but we neglected to apply the required privilege check when doing so.
\nThe PostgreSQL Project thanks Jelte Fennema-Nio for reporting this problem. (CVE-2026-6472)
", "text": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type (Jelte Fennema-Nio) § The multirange type can be put into a different schema than its parent range type, but we neglected to apply the required privilege check when doing so. The PostgreSQL Project thanks Jelte Fennema-Nio for reporting this problem. (CVE-2026-6472)", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "commits": ["08c397b02"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "14e835568c1c18e7fbd4266291fb552044f390eecbe7a1765fa5296d9bee3ef4", "section_path": ["Changes"], "commit_groups": [["08c397b02", "4793fc41f", "8bca85e9f", "a44780f41", "c27ba08cd", "d92852d62"]], "identity_text": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type (Jelte Fennema-Nio) The multirange type can be put into a different schema than its parent range type, but we neglected to apply the required privilege check when doing so. The PostgreSQL Project thanks Jelte Fennema-Nio for reporting this problem. (CVE-2026-6472)", "commit_aliases": ["08c397b02", "4793fc41f", "8bca85e9f", "a44780f41", "c27ba08cd", "d92852d62"], "source_commits": ["08c397b02"], "source_entry_id": "15.18/changes/005", "db_id": "8f0e03a85bb45cde24bbedf7f781a5d5", "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd", "relations": [{"rule": 2, "type": "equivalent", "target": "482afe166c3411e42aa15c76ef043f3e", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}, {"rule": 2, "type": "equivalent", "target": "65fdc90a340d7a6f096d34d54ccaf154", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}, {"rule": 2, "type": "equivalent", "target": "c06039568f80f491221fd94687f0285e", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}, {"rule": 2, "type": "equivalent", "target": "d9b882bba9a59b55e34aa99621e22473", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "d9b882bba9a59b55e34aa99621e22473", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=18.4#18.4-5cd7cd57980a1193", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "482afe166c3411e42aa15c76ef043f3e", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=17.10#17.10-7b894433ca4b5fde", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "65fdc90a340d7a6f096d34d54ccaf154", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=16.14#16.14-c48a9f98e69b525d", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "c06039568f80f491221fd94687f0285e", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=14.23#14.23-9d3fa6790baf242e", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-94e55aad3ebd8168", "cves": ["CVE-2026-6478"], "html": "Use timing-safe string comparisons in authentication code (Michael Paquier) § §
\nUse timingsafe_bcmp() instead of memcmp() or strcmp() when checking passwords, hashes, etc. It is not known whether the data dependency of those functions is usefully exploitable in any of these places, but in the interests of safety, replace them.
The PostgreSQL Project thanks Joe Conway for reporting this problem. (CVE-2026-6478)
", "text": "Use timing-safe string comparisons in authentication code (Michael Paquier) § § Use timingsafe_bcmp() instead of memcmp() or strcmp() when checking passwords, hashes, etc. It is not known whether the data dependency of those functions is usefully exploitable in any of these places, but in the interests of safety, replace them. The PostgreSQL Project thanks Joe Conway for reporting this problem. (CVE-2026-6478)", "title": "Use timing-safe string comparisons in authentication code", "commits": ["9dcfcb92f", "c95275f18"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "80ee0f84599701a7dfc5311af9d4eb5f90a2e65056a17a6a2729c0033d4974b1", "section_path": ["Changes"], "commit_groups": [["00e27235e", "4608619a1", "5924e256c", "c4e7435b3", "c95275f18", "d93ef4131"], ["1604939b2", "8e34acfda", "9dcfcb92f", "b282280e9"]], "identity_text": "Use timing-safe string comparisons in authentication code (Michael Paquier) Use timingsafe_bcmp() instead of memcmp() or strcmp() when checking passwords, hashes, etc. It is not known whether the data dependency of those functions is usefully exploitable in any of these places, but in the interests of safety, replace them. The PostgreSQL Project thanks Joe Conway for reporting this problem. (CVE-2026-6478)", "commit_aliases": ["00e27235e", "1604939b2", "4608619a1", "5924e256c", "8e34acfda", "9dcfcb92f", "b282280e9", "c4e7435b3", "c95275f18", "d93ef4131"], "source_commits": ["9dcfcb92f", "c95275f18"], "source_entry_id": "15.18/changes/006", "db_id": "15b60135e3ecea3f472e4441792a26d0", "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149", "relations": [{"rule": 2, "type": "equivalent", "target": "049d75b9e50ceb48ee3ba2c6a5d0f494", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}, {"rule": 2, "type": "equivalent", "target": "0851fa23f0d4449b2336783af8c0b37f", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}, {"rule": 2, "type": "equivalent", "target": "c468a98baa6993bf40cb569c73528c72", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}, {"rule": 2, "type": "equivalent", "target": "f4fc92fe7fa973d00f46d80cff768f2c", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "c468a98baa6993bf40cb569c73528c72", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=18.4#18.4-81a3fe71f66e6eb4", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "f4fc92fe7fa973d00f46d80cff768f2c", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=17.10#17.10-61c7a5bccb286bea", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "0851fa23f0d4449b2336783af8c0b37f", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=16.14#16.14-827503d5fab7e32f", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "049d75b9e50ceb48ee3ba2c6a5d0f494", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=14.23#14.23-cc5cacc93416a361", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-aa006983b88ec66f", "cves": ["CVE-2026-6477"], "html": "Mark PQfn() as unsafe, and avoid using it within libpq (Nathan Bossart) §
For a non-integral result type, PQfn() is not passed the size of the output buffer, so it cannot check that the data returned by the server will fit. A malicious server could therefore overwrite client memory. This is unfixable without an API change, so mark the function as deprecated. Internally to libpq, use a variant version that can apply the missing check.
The PostgreSQL Project thanks Yu Kunpeng and Martin Heistermann for reporting this problem. (CVE-2026-6477)
", "text": "Mark PQfn() as unsafe, and avoid using it within libpq (Nathan Bossart) § For a non-integral result type, PQfn() is not passed the size of the output buffer, so it cannot check that the data returned by the server will fit. A malicious server could therefore overwrite client memory. This is unfixable without an API change, so mark the function as deprecated. Internally to libpq, use a variant version that can apply the missing check. The PostgreSQL Project thanks Yu Kunpeng and Martin Heistermann for reporting this problem. (CVE-2026-6477)", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "commits": ["e3a1f83ea"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "ed4b160470207a1d06dc5dfbfb631b80f3a3d3e2c907648656edf39f5d114de1", "section_path": ["Changes"], "commit_groups": [["614474996", "8ac723b2b", "bd4811493", "be0136440", "d88c7be15", "e3a1f83ea"]], "identity_text": "Mark PQfn() as unsafe, and avoid using it within libpq (Nathan Bossart) For a non-integral result type, PQfn() is not passed the size of the output buffer, so it cannot check that the data returned by the server will fit. A malicious server could therefore overwrite client memory. This is unfixable without an API change, so mark the function as deprecated. Internally to libpq, use a variant version that can apply the missing check. The PostgreSQL Project thanks Yu Kunpeng and Martin Heistermann for reporting this problem. (CVE-2026-6477)", "commit_aliases": ["614474996", "8ac723b2b", "bd4811493", "be0136440", "d88c7be15", "e3a1f83ea"], "source_commits": ["e3a1f83ea"], "source_entry_id": "15.18/changes/007", "db_id": "fcce310e332c33500cf3c168aae9bd79", "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b", "relations": [{"rule": 2, "type": "equivalent", "target": "4ab9970767b3ef4f9da60c3566967c2b", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}, {"rule": 2, "type": "equivalent", "target": "5659c5fab9b3c23718775a073679d763", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}, {"rule": 2, "type": "equivalent", "target": "847daceb397313a24d7c441b2b0558f1", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}, {"rule": 2, "type": "equivalent", "target": "954548c0ee471a5891175ee04e881030", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "847daceb397313a24d7c441b2b0558f1", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=18.4#18.4-d46d3c9f5a15e9ff", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "5659c5fab9b3c23718775a073679d763", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=17.10#17.10-a3a6ffe2e68f9c70", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "4ab9970767b3ef4f9da60c3566967c2b", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=16.14#16.14-0f3817e9da4bdc58", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "954548c0ee471a5891175ee04e881030", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=14.23#14.23-0894c376482213b5", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-3178339f2560c1fe", "cves": ["CVE-2026-6475"], "html": "Prevent path traversal in pg_basebackup and pg_rewind (Michael Paquier) §
\nThese applications failed to validate output file paths read from their input, so that a malicious source could overwrite any file writable by these applications. Constrain where data can be written by rejecting paths that are absolute or contain parent-directory references.
\nThe PostgreSQL Project thanks XlabAI Team of Tencent Xuanwu Lab and Valery Gubanov for reporting this problem. (CVE-2026-6475)
", "text": "Prevent path traversal in pg_basebackup and pg_rewind (Michael Paquier) § These applications failed to validate output file paths read from their input, so that a malicious source could overwrite any file writable by these applications. Constrain where data can be written by rejecting paths that are absolute or contain parent-directory references. The PostgreSQL Project thanks XlabAI Team of Tencent Xuanwu Lab and Valery Gubanov for reporting this problem. (CVE-2026-6475)", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "commits": ["0c83fe8e4"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "e895c369f66d866bd7eecff3c11fb5dd40d3a38346e85ac277764b7611d5e6d3", "section_path": ["Changes"], "commit_groups": [["0c83fe8e4", "498829dca", "6778af13e", "6a67c540a", "8f881e188", "a1063eece"]], "identity_text": "Prevent path traversal in pg_basebackup and pg_rewind (Michael Paquier) These applications failed to validate output file paths read from their input, so that a malicious source could overwrite any file writable by these applications. Constrain where data can be written by rejecting paths that are absolute or contain parent-directory references. The PostgreSQL Project thanks XlabAI Team of Tencent Xuanwu Lab and Valery Gubanov for reporting this problem. (CVE-2026-6475)", "commit_aliases": ["0c83fe8e4", "498829dca", "6778af13e", "6a67c540a", "8f881e188", "a1063eece"], "source_commits": ["0c83fe8e4"], "source_entry_id": "15.18/changes/008", "db_id": "a4a793034a07393a1194f5d901c7e563", "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10", "relations": [{"rule": 2, "type": "equivalent", "target": "4327318e7057209dbe42b98400f9d4be", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}, {"rule": 2, "type": "equivalent", "target": "4bae8e6eba13d8b7f663721c981765fa", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}, {"rule": 2, "type": "equivalent", "target": "5bc8c04625ad184faa480aea65f22c87", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}, {"rule": 2, "type": "equivalent", "target": "869c70a85bc692a897810d4c6c2c8001", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4327318e7057209dbe42b98400f9d4be", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=18.4#18.4-ad40fa4da3cebaa2", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "4bae8e6eba13d8b7f663721c981765fa", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=17.10#17.10-91d502adb9e9905a", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "5bc8c04625ad184faa480aea65f22c87", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=16.14#16.14-4c65f6e78638d7b8", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "869c70a85bc692a897810d4c6c2c8001", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=14.23#14.23-1e7e9c27c7b963a2", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-b4e159c1c3614019", "cves": ["CVE-2026-6473"], "html": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type (Tom Lane) § §
Parsing of these query structures did not check for overflow of 16-bit fields, so that construction of an invalid query tree was possible. This can crash the server when executing the query.
\nThe PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)
", "text": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type (Tom Lane) § § Parsing of these query structures did not check for overflow of 16-bit fields, so that construction of an invalid query tree was possible. This can crash the server when executing the query. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "commits": ["84a9f2641", "fc1fd3d97"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "6b913d8452595ed03ce8219efa3333708f2fed17efd90982328827a3af3cabcb", "section_path": ["Changes"], "commit_groups": [["05e73b5c3", "2b429d887", "479823a71", "6f0bff33d", "906ea101d", "fc1fd3d97"], ["074702525", "43451a7a2", "5c1069c35", "84a9f2641", "c4d04cc48", "c5790ec4f"]], "identity_text": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type (Tom Lane) Parsing of these query structures did not check for overflow of 16-bit fields, so that construction of an invalid query tree was possible. This can crash the server when executing the query. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "commit_aliases": ["05e73b5c3", "074702525", "2b429d887", "43451a7a2", "479823a71", "5c1069c35", "6f0bff33d", "84a9f2641", "906ea101d", "c4d04cc48", "c5790ec4f", "fc1fd3d97"], "source_commits": ["84a9f2641", "fc1fd3d97"], "source_entry_id": "15.18/changes/009", "db_id": "2ad1fdfa4b929eb7b74591983f7fe071", "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7", "relations": [{"rule": 2, "type": "equivalent", "target": "0423b242e381085c16cb62849b04525f", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}, {"rule": 2, "type": "equivalent", "target": "9a6b47b64707d2aaa7ed6ba0484070e5", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}, {"rule": 2, "type": "equivalent", "target": "9f97314dd0efbba664c1f83e75fb5fa1", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}, {"rule": 2, "type": "equivalent", "target": "d29898a37787b811ca1a66114dcaa530", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "9a6b47b64707d2aaa7ed6ba0484070e5", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=18.4#18.4-2061b554e1b2edfa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "9f97314dd0efbba664c1f83e75fb5fa1", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=17.10#17.10-992f2d3fb9146406", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "0423b242e381085c16cb62849b04525f", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=16.14#16.14-21fce6af887a0371", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "d29898a37787b811ca1a66114dcaa530", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=14.23#14.23-73b4c72ec19c85bf", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-f7162bdebe6fb249", "cves": ["CVE-2026-6473"], "html": "Guard against overly long values of contrib/ltree's lquery type (Michael Paquier) §
Values with more than 64K items caused internal overflows, potentially resulting in stack smashes or wrong answers.
\nThe PostgreSQL Project thanks Vergissmeinnicht, A1ex, and Jihe Wang for reporting this problem. (CVE-2026-6473)
", "text": "Guard against overly long values of contrib/ltree's lquery type (Michael Paquier) § Values with more than 64K items caused internal overflows, potentially resulting in stack smashes or wrong answers. The PostgreSQL Project thanks Vergissmeinnicht, A1ex, and Jihe Wang for reporting this problem. (CVE-2026-6473)", "title": "Guard against overly long values of contrib/ltree's lquery type", "commits": ["9c2fa5b6a"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "b0deebec662d431c853167c2248b1030da0cb3dc60c467793bc13f5210973b2b", "section_path": ["Changes"], "commit_groups": [["2f1b16e86", "6b6b26fde", "7f019f341", "8c3426110", "9c2fa5b6a", "b545c3787"]], "identity_text": "Guard against overly long values of contrib/ltree's lquery type (Michael Paquier) Values with more than 64K items caused internal overflows, potentially resulting in stack smashes or wrong answers. The PostgreSQL Project thanks Vergissmeinnicht, A1ex, and Jihe Wang for reporting this problem. (CVE-2026-6473)", "commit_aliases": ["2f1b16e86", "6b6b26fde", "7f019f341", "8c3426110", "9c2fa5b6a", "b545c3787"], "source_commits": ["9c2fa5b6a"], "source_entry_id": "15.18/changes/010", "db_id": "abd21d034ac90949aacffcced38f44c8", "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1", "relations": [{"rule": 2, "type": "equivalent", "target": "6aa8f69f3021e6633c690bc4d069a359", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}, {"rule": 2, "type": "equivalent", "target": "b026af4117fde9e94388242432e381e0", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}, {"rule": 2, "type": "equivalent", "target": "e57528b755cb641d030a2490a8ecb83e", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}, {"rule": 2, "type": "equivalent", "target": "f1ea7b13a59ce4a556a97a665b13ddd9", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}], "version": "15.18", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "f1ea7b13a59ce4a556a97a665b13ddd9", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=18.4#18.4-eb36ae972f5e73e4", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "e57528b755cb641d030a2490a8ecb83e", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=17.10#17.10-ac24cc16660e8737", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "6aa8f69f3021e6633c690bc4d069a359", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=16.14#16.14-9f75dab6c6486a53", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "b026af4117fde9e94388242432e381e0", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=14.23#14.23-466881ae2d66f716", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-9aab90e2decdd59b", "cves": ["CVE-2026-6637"], "html": "Prevent SQL injection and buffer overruns in contrib/spi (Nathan Bossart) §
check_foreign_key() was insufficiently careful about quoting key values, and also used fixed-length buffers for constructing queries. While this module is only meant as example code, it still shouldn't contain such dangerous errors.
The PostgreSQL Project thanks Nikolay Samokhvalov for reporting this problem. (CVE-2026-6637)
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Fix spurious “generated columns are not supported in COPY FROM WHERE conditions” errors (Tom Lane) §
\nUse of a system column in a COPY FROM WHERE condition could sometimes incorrectly report this error.
Correctly report a serialization failure when MERGE encounters a concurrently-updated tuple in repeatable-read or serializable mode (Tender Wang) §
Previously, such cases behaved the same as in lower isolation levels.
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Disallow making a composite type be a member of itself via a multirange (Heikki Linnakangas) §
\nWe already forbade such cases when the intermediate type is a domain, array, composite type, or range; but multiranges were overlooked.
", "text": "Disallow making a composite type be a member of itself via a multirange (Heikki Linnakangas) § We already forbade such cases when the intermediate type is a domain, array, composite type, or range; but multiranges were overlooked.", "title": "Disallow making a composite type be a member of itself via a multirange", "commits": ["34ebeb15c"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "f8f5286187dc02f9548a47335641be732060301194a3b48ae0d181fd8f689696", "section_path": ["Changes"], "commit_groups": [["06e304524", "34ebeb15c", "54343f6f9", "c7a1d5fc6", "dd4069197", "ff8f27d6e"]], "identity_text": "Disallow making a composite type be a member of itself via a multirange (Heikki Linnakangas) We already forbade such cases when the intermediate type is a domain, array, composite type, or range; but multiranges were overlooked.", "commit_aliases": ["06e304524", "34ebeb15c", "54343f6f9", "c7a1d5fc6", "dd4069197", "ff8f27d6e"], "source_commits": ["34ebeb15c"], "source_entry_id": "15.18/changes/019", "db_id": "db27ce7162c0f5f66e5e36b2b4394be0", "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2", "relations": [{"rule": 2, "type": "equivalent", "target": "aaf1253e3301e7ce01966fdecb2168ff", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}, {"rule": 2, "type": "equivalent", "target": "dbfa0390a811562580299aed6addef7f", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}, {"rule": 2, "type": "equivalent", "target": "e0d6011d1ad1750ec99d7b452609aa5c", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}, {"rule": 2, "type": "equivalent", "target": "e65839c47b604979321948f58b376888", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}], "version": "15.18", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e65839c47b604979321948f58b376888", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=18.4#18.4-ccc5811ee220170a", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "dbfa0390a811562580299aed6addef7f", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=17.10#17.10-a17faaa60c3b23db", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "aaf1253e3301e7ce01966fdecb2168ff", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=16.14#16.14-320b63dd288d6613", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "e0d6011d1ad1750ec99d7b452609aa5c", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=14.23#14.23-50453b6dffac196c", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-35c4133cc110d098", "cves": [], "html": "Fix datum-image comparisons to be insensitive to sign-extension variations (David Rowley) §
\nThis fixes some situations that previously led to “could not find memoization table entry” errors or wrong query results.
", "text": "Fix datum-image comparisons to be insensitive to sign-extension variations (David Rowley) § This fixes some situations that previously led to “could not find memoization table entry” errors or wrong query results.", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "commits": ["6b2e091f0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "7fd367d71d97ade5664b47759e472e5ae778fbb65d1f500b4789d0905b57de28", "section_path": ["Changes"], "commit_groups": [["0d866282b", "1bd90c887", "49315de0c", "6b2e091f0", "6ce5c310b", "d29808e35"]], "identity_text": "Fix datum-image comparisons to be insensitive to sign-extension variations (David Rowley) This fixes some situations that previously led to could not find memoization table entry errors or wrong query results.", "commit_aliases": ["0d866282b", "1bd90c887", "49315de0c", "6b2e091f0", "6ce5c310b", "d29808e35"], "source_commits": ["6b2e091f0"], "source_entry_id": "15.18/changes/020", "db_id": "6de901a8850aaba4f6cb4f60757fd10b", "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a", "relations": [{"rule": 2, "type": "equivalent", "target": "5cabc37ab2a14b9bb0980c3ed400e023", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}, {"rule": 2, "type": "equivalent", "target": "c5c180d0b102c66e23f3e5c67497661a", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}, {"rule": 2, "type": "equivalent", "target": "e186e88d722a03078d4189e25842fa12", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}, {"rule": 2, "type": "equivalent", "target": "f9a962dc778922758842bad523e4e935", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}], "version": "15.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c5c180d0b102c66e23f3e5c67497661a", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=18.4#18.4-4ed3df97c772ff79", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "f9a962dc778922758842bad523e4e935", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=17.10#17.10-0fb5ea65c461a113", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "e186e88d722a03078d4189e25842fa12", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=16.14#16.14-8586f1e2f65191db", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "5cabc37ab2a14b9bb0980c3ed400e023", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=14.23#14.23-92e44334a5563e50", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-60c7c179902fa568", "cves": [], "html": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator (Chengpeng Yan) §
The previous coding could crash or give wrong answers. All built-in data types have strict equality operators, so that this issue could only arise with an extension data type.
", "text": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator (Chengpeng Yan) § The previous coding could crash or give wrong answers. All built-in data types have strict equality operators, so that this issue could only arise with an extension data type.", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "commits": ["622f8b530"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "f130afa9745aa2466d920485c5c193a9ab1c01f4f0aaa861ba74f2af8ac5844f", "section_path": ["Changes"], "commit_groups": [["035c520db", "109de35b7", "3fda3e12f", "622f8b530", "94219a73f", "a2a0060d5"]], "identity_text": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator (Chengpeng Yan) The previous coding could crash or give wrong answers. All built-in data types have strict equality operators, so that this issue could only arise with an extension data type.", "commit_aliases": ["035c520db", "109de35b7", "3fda3e12f", "622f8b530", "94219a73f", "a2a0060d5"], "source_commits": ["622f8b530"], "source_entry_id": "15.18/changes/021", "db_id": "450e4329b437178c4c67084a2ce52024", "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d", "relations": [{"rule": 2, "type": "equivalent", "target": "2a86497013a318262f46769723449b63", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}, {"rule": 2, "type": "equivalent", "target": "6a9e4a1d32172e81ee680d6f0342ca63", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}, {"rule": 2, "type": "equivalent", "target": "c26aa4cfe9a48bc8f6b4f3924802efa7", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}, {"rule": 2, "type": "equivalent", "target": "d1a95a788ffc450fd8a8b393d2c3e55d", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}], "version": "15.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d1a95a788ffc450fd8a8b393d2c3e55d", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=18.4#18.4-e5344bf8a6d35197", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "6a9e4a1d32172e81ee680d6f0342ca63", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=17.10#17.10-c7e5a864f1920ba5", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "c26aa4cfe9a48bc8f6b4f3924802efa7", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=16.14#16.14-0eb4bde24f0d6fca", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "2a86497013a318262f46769723449b63", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=14.23#14.23-7486ce91b98a0959", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-d044032a493dc642", "cves": [], "html": "Truncate overly-long locale-specific numeric symbols in to_char() (Tom Lane) §
If a locale specified a currency symbol, thousands separator, or decimal or sign symbol more than 8 bytes long, a buffer overrun was possible. No such locales exist in the real world, and it's impractical for an unprivileged attacker to install a malicious locale definition underneath a Postgres server; but for safety's sake check for overlength symbols and truncate if needed.
", "text": "Truncate overly-long locale-specific numeric symbols in to_char() (Tom Lane) § If a locale specified a currency symbol, thousands separator, or decimal or sign symbol more than 8 bytes long, a buffer overrun was possible. No such locales exist in the real world, and it's impractical for an unprivileged attacker to install a malicious locale definition underneath a Postgres server; but for safety's sake check for overlength symbols and truncate if needed.", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "commits": ["f60d25986"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "8f1275d1663eed17a16b7b4e7718777dbcdfb14c52d9f5752ef5107405a6daed", "section_path": ["Changes"], "commit_groups": [["580e7be88", "8a6f08c0c", "a50777680", "c97a28618", "e1e60f148", "f60d25986"]], "identity_text": "Truncate overly-long locale-specific numeric symbols in to_char() (Tom Lane) If a locale specified a currency symbol, thousands separator, or decimal or sign symbol more than 8 bytes long, a buffer overrun was possible. No such locales exist in the real world, and it's impractical for an unprivileged attacker to install a malicious locale definition underneath a Postgres server; but for safety's sake check for overlength symbols and truncate if needed.", "commit_aliases": ["580e7be88", "8a6f08c0c", "a50777680", "c97a28618", "e1e60f148", "f60d25986"], "source_commits": ["f60d25986"], "source_entry_id": "15.18/changes/022", "db_id": "29acc0aac3cc6b0ee03ac19b4559887d", "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0", "relations": [{"rule": 2, "type": "equivalent", "target": "07daab7dbccbfcc34db05980b3a74098", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}, {"rule": 2, "type": "equivalent", "target": "606d4464f34532059b31083c8d4b85db", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}, {"rule": 2, "type": "equivalent", "target": "7477baaf42cc60c640f8610e0225343b", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}, {"rule": 2, "type": "equivalent", "target": "da89f430482b72634ad3d2f296bb5a93", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}], "version": "15.18", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "606d4464f34532059b31083c8d4b85db", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=18.4#18.4-695d3a73d2ecfb3e", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "07daab7dbccbfcc34db05980b3a74098", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=17.10#17.10-ead7a4370e3d50c0", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "7477baaf42cc60c640f8610e0225343b", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=16.14#16.14-eda4c756b58b4a86", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "da89f430482b72634ad3d2f296bb5a93", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=14.23#14.23-a905b9ca587d8842", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-87e3f08b5312ecda", "cves": [], "html": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary (Tom Lane) § §
A corrupt or malicious affix file could crash the server. This is not considered a security issue because text search configuration files are presumed trustworthy, but it still seems worth fixing.
", "text": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary (Tom Lane) § § A corrupt or malicious affix file could crash the server. This is not considered a security issue because text search configuration files are presumed trustworthy, but it still seems worth fixing.", "title": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary", "commits": ["0b196d3db", "f852c9093"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "4d3ad4ae4e43d4878c675c1e4b1c9f7f4b9a6aad6cc4994c49b80a4e15ed47e0", "section_path": ["Changes"], "commit_groups": [["00c6e0819", "0b196d3db", "21a24d709", "42383d32d", "d7970e7e9", "ea5f0d176"], ["17f72e037", "6cae0c2bd", "844bb90d4", "a5426dbf8", "c2bfeb3bb", "f852c9093"]], "identity_text": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary (Tom Lane) A corrupt or malicious affix file could crash the server. 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\nVery large user-specified offsets (close to INT64_MAX) could result in errors or incorrect query results.
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Such cases had a side-effect of resetting the current database's stat_reset_timestamp, which was unintended.
Fix buffer overread when pglz_decompress() receives corrupt input (Andrew Dunstan) §
It was possible to read a few bytes past the end of the input, which in very unlucky cases might cause a crash.
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Fix premature NULL lag reporting in pg_stat_replication (Shinya Kato) §
The lag columns frequently read as NULL even while replication activity was happening.
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\nA non-logged GiST index could nonetheless sometimes produce “xlog flush request n/nnnn is not satisfied” errors, due to incorrect selection of a “fake LSN” to represent an insertion point.
Fix underestimate of required size of DSA page maps for odd-size segments (Paul Bunn) §
\nThis miscalculation led to out-of-bounds accesses and hence server crashes.
", "text": "Fix underestimate of required size of DSA page maps for odd-size segments (Paul Bunn) § This miscalculation led to out-of-bounds accesses and hence server crashes.", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "commits": ["46c93b705"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "de596631d1a366454fee5c3e698612cc361f4dc03a1d435b4e70b11cfc87ff75", "section_path": ["Changes"], "commit_groups": [["0af5e64e9", "2543b9ea9", "46c93b705", "4da2afd01", "a0f38604d", "eb11d7a91"]], "identity_text": "Fix underestimate of required size of DSA page maps for odd-size segments (Paul Bunn) This miscalculation led to out-of-bounds accesses and hence server crashes.", "commit_aliases": ["0af5e64e9", "2543b9ea9", "46c93b705", "4da2afd01", "a0f38604d", "eb11d7a91"], "source_commits": ["46c93b705"], "source_entry_id": "15.18/changes/030", "db_id": "132eccad33a03f9808709ff243633e21", "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e", "relations": [{"rule": 2, "type": "equivalent", "target": "6c9b24cf6c2959b6e084b0f1468cc147", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}, {"rule": 2, "type": "equivalent", "target": "c0162fa5c8bd731ee869a6a910d5a618", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}, {"rule": 2, "type": "equivalent", "target": "d358ff7daadf000c76becae39274dcc8", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}, {"rule": 2, "type": "equivalent", "target": "feb50a4056ee0c9561081c3bd1a5fd94", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}], "version": "15.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c0162fa5c8bd731ee869a6a910d5a618", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=18.4#18.4-6a31304d211cadfa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "feb50a4056ee0c9561081c3bd1a5fd94", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=17.10#17.10-530a8cbdc6f714b9", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "6c9b24cf6c2959b6e084b0f1468cc147", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=16.14#16.14-8bb5b1022d86c764", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "d358ff7daadf000c76becae39274dcc8", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=14.23#14.23-11bc13dcca69d74b", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-66aee329c6813e82", "cves": [], "html": "Fix possible server crash when processing extended statistics on expressions of extension data types (Michael Paquier) §
\nNULL pointer dereferences were possible if the data type's typanalyze function does not compute any useful statistics. No in-core typanalyze function behaves that way, but extensions could.
", "text": "Fix possible server crash when processing extended statistics on expressions of extension data types (Michael Paquier) § NULL pointer dereferences were possible if the data type's typanalyze function does not compute any useful statistics. No in-core typanalyze function behaves that way, but extensions could.", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "commits": ["f033abc6c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "94a949c0f9b3596bdfc0a6a721e791ab5805efd3cde67767a0890fc326ab995f", "section_path": ["Changes"], "commit_groups": [["038c7d4a3", "04745ba9c", "3b7a6fa15", "530b6b02f", "83671c0da", "f033abc6c"]], "identity_text": "Fix possible server crash when processing extended statistics on expressions of extension data types (Michael Paquier) NULL pointer dereferences were possible if the data type's typanalyze function does not compute any useful statistics. No in-core typanalyze function behaves that way, but extensions could.", "commit_aliases": ["038c7d4a3", "04745ba9c", "3b7a6fa15", "530b6b02f", "83671c0da", "f033abc6c"], "source_commits": ["f033abc6c"], "source_entry_id": "15.18/changes/031", "db_id": "7060172e893faabd38e47a052f25c75c", "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a", "relations": [{"rule": 2, "type": "equivalent", "target": "11bb9497f3c67aace227015bc936b98e", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}, {"rule": 2, "type": "equivalent", "target": "1c1afd4ac22d6baac4a29928c824292c", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}, {"rule": 2, "type": "equivalent", "target": "80939c27c6a18cbd33af67b54738ffbb", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}, {"rule": 2, "type": "equivalent", "target": "e3fcd13894196d38b7fdafd82a39872b", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}], "version": "15.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "e3fcd13894196d38b7fdafd82a39872b", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=18.4#18.4-d17ff570c253e2a4", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "80939c27c6a18cbd33af67b54738ffbb", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=17.10#17.10-55b28f30732d7db3", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "1c1afd4ac22d6baac4a29928c824292c", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=16.14#16.14-0be3354f36793154", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "11bb9497f3c67aace227015bc936b98e", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=14.23#14.23-4ba256fc57391391", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-59e230aa6a0adc1d", "cves": [], "html": "If the startup process fails, properly shut down other child processes before exiting the postmaster (Ayush Tiwari) §
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", "text": "If the startup process fails, properly shut down other child processes before exiting the postmaster (Ayush Tiwari) § The handling of this situation relied on a long-obsolete assumption that no other postmaster children exist while the startup process is running, so that immediate postmaster exit is acceptable. Orphaned children would eventually notice the postmaster's death and exit on their own, but a cleaner shutdown procedure is desirable.", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "commits": ["23cebf672"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "655006b47668e7a10db9b1e4f352859b10bc035df8d0b83175879ed2382144e4", "section_path": ["Changes"], "commit_groups": [["23cebf672", "2d347f2cd", "9b43e6793", "affdb2dd5", "e381843cf"]], "identity_text": "If the startup process fails, properly shut down other child processes before exiting the postmaster (Ayush Tiwari) The handling of this situation relied on a long-obsolete assumption that no other postmaster children exist while the startup process is running, so that immediate postmaster exit is acceptable. Orphaned children would eventually notice the postmaster's death and exit on their own, but a cleaner shutdown procedure is desirable.", "commit_aliases": ["23cebf672", "2d347f2cd", "9b43e6793", "affdb2dd5", "e381843cf"], "source_commits": ["23cebf672"], "source_entry_id": "15.18/changes/032", "db_id": "2a31a83d114004ec62a45d4511e6eea8", "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5", "relations": [{"rule": 2, "type": "equivalent", "target": "1258e1d70ad8d20566f8bef565afb542", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}}, {"rule": 2, "type": "equivalent", "target": "35889e010982e213ace67b19129690cc", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}}, {"rule": 2, "type": "equivalent", "target": "60187dd7a7a6b60a0c3449316b65aa78", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}}], "version": "15.18", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "60187dd7a7a6b60a0c3449316b65aa78", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}, "url": "/docs/compare/?release=18.4#18.4-fbb8a60e8a0fb7fa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "1258e1d70ad8d20566f8bef565afb542", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}, "url": "/docs/compare/?release=17.10#17.10-ae6a8b961252ec16", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "35889e010982e213ace67b19129690cc", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}, "url": "/docs/compare/?release=16.14#16.14-0b7f6a3235e38857", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}]}, {"id": "15.18-729165d8f77b8c3e", "cves": [], "html": "Fix race condition between WAL replay of checkpoints and multixact ID creations (Heikki Linnakangas) §
\nA standby server following WAL from a primary of an older minor version could get into a crash-and-restart loop complaining about “could not access status of transaction”.
", "text": "Fix race condition between WAL replay of checkpoints and multixact ID creations (Heikki Linnakangas) § A standby server following WAL from a primary of an older minor version could get into a crash-and-restart loop complaining about “could not access status of transaction”.", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "commits": ["a5f412107"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.18/#id-1.11.6.7.5", "source_hash": "12947f7c00501c9d7eed4d24c2ae3be1c415b2784f247e206d1363e6c9d0e910", "section_path": ["Changes"], "commit_groups": [["0852643e1", "1ca385032", "77dff5d93", "a5f412107", "e35e466f6"]], "identity_text": "Fix race condition between WAL replay of checkpoints and multixact ID creations (Heikki Linnakangas) A standby server following WAL from a primary of an older minor version could get into a crash-and-restart loop complaining about could not access status of transaction.", "commit_aliases": ["0852643e1", "1ca385032", "77dff5d93", "a5f412107", "e35e466f6"], "source_commits": ["a5f412107"], "source_entry_id": "15.18/changes/033", "db_id": "85b276d385b6533daa45fb10a83fcdc6", "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192", "relations": [{"rule": 2, "type": "equivalent", "target": "2dd877a931aebbb79cf02748fddc6985", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}, {"rule": 2, "type": "equivalent", "target": "61f30ae9ddadfa030207bdea7cb12e70", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}, {"rule": 2, "type": "equivalent", "target": "7656c6c266fb5f623679c473e6534cb4", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}, {"rule": 2, "type": "equivalent", "target": "bdf695af62de33084d77c352623dcee3", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}], "version": "15.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2dd877a931aebbb79cf02748fddc6985", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=18.4#18.4-b95009e302c19df6", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "7656c6c266fb5f623679c473e6534cb4", "kind": "equivalent", "version": "17.10", "label": "17.10", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=17.10#17.10-b851403e0c059925", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES"}, {"db_id": "bdf695af62de33084d77c352623dcee3", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=16.14#16.14-b3cb622e85e826dc", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "61f30ae9ddadfa030207bdea7cb12e70", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=14.23#14.23-c6d1cb4b3f13c969", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "15.18-1a0fb49c7d011cf8", "cves": [], "html": "Prevent indefinite wait in shutdown of a walsender process (Anthonin Bonnefoy) § §
\nAt shutdown of a cluster that is publishing logical replication data, the walsender waits for all pending WAL to be written out. But it did not correctly request that to happen, so that in some cases this could become an indefinite wait.
", "text": "Prevent indefinite wait in shutdown of a walsender process (Anthonin Bonnefoy) § § At shutdown of a cluster that is publishing logical replication data, the walsender waits for all pending WAL to be written out. 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\nThis could be problematic when attempting to upgrade from a pre-2018 server.
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Previously, the setting of basic_archive.archive_directory was rejected if it didn't point to an existing directory. This is undesirable because archiving will be stuck indefinitely, even if the directory appears later.
Fix contrib/ltree to cope when case-folding changes a string's byte length (Jeff Davis) §
Previously, lquery patterns specifying case-insensitive matching might fail to match labels they should match.
In contrib/pg_stat_statements, don't leak memory if an error occurs while parsing the pgss_query_texts.stat file (Heikki Linnakangas) §
In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection (Etsuro Fujita) §
If a remote connection fails abort cleanup, we can't use it any longer. But delay closing the connection object until end of transaction, because there might still be references to it within data structures such as open cursors.
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\nBritish Columbia (America/Vancouver) will be on year-round UTC-07 (effectively, permanent DST) beginning in November 2026. This release assumes that their TZ abbreviation will be MST from that time forward. That seems likely to change, but it's unclear what new abbreviation will be used. Also a historical correction for Moldova: they have followed EU DST transition times since 2022.
A dump/restore is not required for those running 15.X.
\nHowever, if you are upgrading from a version earlier than 15.14, see Section E.6.
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The fix for CVE-2026-2006 was too aggressive and could raise an error about an incomplete character in cases that are actually valid.
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Previously these functions returned NULL for auxiliary processes, but that's inconsistent with the pg_stat_activity view.
Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function (Tom Lane) §
\nIf the variable's value is NULL, a “cache lookup failed for type 0” error resulted.
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hstore's receive function crashed on input containing duplicate keys. hstore values generated by Postgres would never contain duplicate keys, so this mistake has gone unnoticed. The crash could be provoked by malicious or corrupted data.
A dump/restore is not required for those running 15.X.
\nHowever, if you are upgrading from a version earlier than 15.14, see Section E.6.
", "compatibility_count": 0, "label": "15.16", "status_label": "Supported", "eol": "2027-11-11", "age_days": 229, "support_days": 408, "entries": [{"id": "15.16-cffa85682917fc25", "cves": ["CVE-2026-2003"], "html": "Guard against unexpected dimensions of oidvector/int2vector (Tom Lane) §
These data types are expected to be 1-dimensional arrays containing no nulls, but there are cast pathways that permit violating those expectations. Add checks to some functions that were depending on those expectations without verifying them, and could misbehave in consequence.
\nThe PostgreSQL Project thanks Altan Birler for reporting this problem. (CVE-2026-2003)
", "text": "Guard against unexpected dimensions of oidvector/int2vector (Tom Lane) § These data types are expected to be 1-dimensional arrays containing no nulls, but there are cast pathways that permit violating those expectations. Add checks to some functions that were depending on those expectations without verifying them, and could misbehave in consequence. The PostgreSQL Project thanks Altan Birler for reporting this problem. (CVE-2026-2003)", "title": "Guard against unexpected dimensions of oidvector/int2vector", "commits": ["429aeaebd"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "4e251b25bfdfaf4fc7b6580e4720acb2ac5ae2e6527c067a9a2e06b1bca6755a", "section_path": ["Changes"], "commit_groups": [["3b6588cd9", "3d160401b", "429aeaebd", "595956fc7", "60e7ae41a", "b39d38139"]], "identity_text": "Guard against unexpected dimensions of oidvector/int2vector (Tom Lane) These data types are expected to be 1-dimensional arrays containing no nulls, but there are cast pathways that permit violating those expectations. Add checks to some functions that were depending on those expectations without verifying them, and could misbehave in consequence. The PostgreSQL Project thanks Altan Birler for reporting this problem. (CVE-2026-2003)", "commit_aliases": ["3b6588cd9", "3d160401b", "429aeaebd", "595956fc7", "60e7ae41a", "b39d38139"], "source_commits": ["429aeaebd"], "source_entry_id": "15.16/changes/001", "db_id": "8db55cd2cacfbefb7d8380baee0440a5", "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787", "relations": [{"rule": 2, "type": "equivalent", "target": "020aec6d98ff35dcd4eca87ecb7d21fd", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}, {"rule": 2, "type": "equivalent", "target": "93680dc2fc005fc9bc0a92b7d80ee23b", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}, {"rule": 2, "type": "equivalent", "target": "d474cd2cf9a4505bba396d502fe366fe", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}, {"rule": 2, "type": "equivalent", "target": "dadfe1bd35a127e4b2350a876ce5f39d", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}], "version": "15.16", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "020aec6d98ff35dcd4eca87ecb7d21fd", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=18.2#18.2-5c52afa7301594c6", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "dadfe1bd35a127e4b2350a876ce5f39d", "kind": "equivalent", "version": "17.8", "label": "17.8", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=17.8#17.8-a1109c4f32ae03d0", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "93680dc2fc005fc9bc0a92b7d80ee23b", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=16.12#16.12-289361027e903f71", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "d474cd2cf9a4505bba396d502fe366fe", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=14.21#14.21-182abf620be79725", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "15.16-9ecdcfc6d990fa17", "cves": ["CVE-2026-2004"], "html": "Harden selectivity estimators against being attached to operators that accept unexpected data types (Tom Lane) § § §
\ncontrib/intarray contained a selectivity estimation function that could be abused for arbitrary code execution, because it did not check that its input was of the expected data type. Third-party extensions should check for similar hazards and add defenses using the technique intarray now uses. Since such extension fixes will take time, we now require superuser privilege to attach a non-built-in selectivity estimator to an operator.
The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2004)
", "text": "Harden selectivity estimators against being attached to operators that accept unexpected data types (Tom Lane) § § § contrib/intarray contained a selectivity estimation function that could be abused for arbitrary code execution, because it did not check that its input was of the expected data type. Third-party extensions should check for similar hazards and add defenses using the technique intarray now uses. Since such extension fixes will take time, we now require superuser privilege to attach a non-built-in selectivity estimator to an operator. The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2004)", "title": "Harden selectivity estimators against being attached to operators that accept unexpected data types", "commits": ["3ecc84cce", "b764b26f2", "deb464a40"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "850e7c71f5a877f6529a7df8d6fd635e662a2577b70aef46f1164d6c08d17f10", "section_path": ["Changes"], "commit_groups": [["3ecc84cce", "9fa38c572", "d484bc260", "dbb09fd8e"], ["66ddac698", "841d42cc4", "91d7c0bfd", "b764b26f2", "bbf5bcf58", "ea3bf3498"], ["7e82d9a04", "8ebdf41c2", "b69af3dda", "c0887b39d", "dd3ad2a4d", "deb464a40"]], "identity_text": "Harden selectivity estimators against being attached to operators that accept unexpected data types (Tom Lane) contrib/intarray contained a selectivity estimation function that could be abused for arbitrary code execution, because it did not check that its input was of the expected data type. Third-party extensions should check for similar hazards and add defenses using the technique intarray now uses. Since such extension fixes will take time, we now require superuser privilege to attach a non-built-in selectivity estimator to an operator. The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem. 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Decrypting a crafted message with an overlength session key caused a buffer overrun, with consequences as bad as arbitrary code execution.
\nThe PostgreSQL Project thanks Team Xint Code, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2005)
", "text": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions (Michael Paquier) § Decrypting a crafted message with an overlength session key caused a buffer overrun, with consequences as bad as arbitrary code execution. The PostgreSQL Project thanks Team Xint Code, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2005)", "title": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions", "commits": ["9a9982ec6"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "d3340ce33dee6b34344e29023ed13f3391144847390682bf5d5af53fecfeb57f", "section_path": ["Changes"], "commit_groups": [["01de2e32d", "209f387b8", "379695d3c", "527b730f4", "7a7d9693c", "9a9982ec6"]], "identity_text": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions (Michael Paquier) Decrypting a crafted message with an overlength session key caused a buffer overrun, with consequences as bad as arbitrary code execution. The PostgreSQL Project thanks Team Xint Code, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2005)", "commit_aliases": ["01de2e32d", "209f387b8", "379695d3c", "527b730f4", "7a7d9693c", "9a9982ec6"], "source_commits": ["9a9982ec6"], "source_entry_id": "15.16/changes/003", "db_id": "e4dd47f240a98be34ae099044d8a2b56", "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307", "relations": [{"rule": 2, "type": "equivalent", "target": "bdd4104dfc3659a38e0f0389ee19b847", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}}, {"rule": 2, "type": "equivalent", "target": "d0b0ce25a07e9ad598056180477520b6", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}}, {"rule": 2, "type": "equivalent", "target": "e7bf20473d33d5835462a40fa9fd5552", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}}, {"rule": 2, "type": "equivalent", "target": "ef4c4d388861428d41d8694448d1ec90", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}}], "version": "15.16", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "ef4c4d388861428d41d8694448d1ec90", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}, "url": "/docs/compare/?release=18.2#18.2-c6669984145bd55c", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "d0b0ce25a07e9ad598056180477520b6", "kind": "equivalent", "version": "17.8", "label": "17.8", "title": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}, "url": "/docs/compare/?release=17.8#17.8-ad02898fb1831e36", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "e7bf20473d33d5835462a40fa9fd5552", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}, "url": "/docs/compare/?release=16.12#16.12-a3ed183e10806004", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "bdd4104dfc3659a38e0f0389ee19b847", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions", "evidence": {"same_day": true, "patch_ids": ["8812c5ce4844c4609945e75b3dad003d"], "statement_hash": "643330e49824e6c84ee06b67cc1febd73b94c839951a2861efc8c384a23e8307"}, "url": "/docs/compare/?release=14.21#14.21-8072e6858a1ccb57", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "15.16-62940c666c30fc8b", "cves": ["CVE-2026-2006"], "html": "Fix inadequate validation of multibyte character lengths (Thomas Munro, Noah Misch) § § § § § §
\nAssorted bugs allowed an attacker able to issue crafted SQL to overrun string buffers, with consequences as bad as arbitrary code execution. After these fixes, applications may observe “invalid byte sequence for encoding” errors when string functions process invalid text that has been stored in the database.
\nThe PostgreSQL Project thanks Paul Gerste and Moritz Sanft, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2006)
", "text": "Fix inadequate validation of multibyte character lengths (Thomas Munro, Noah Misch) § § § § § § Assorted bugs allowed an attacker able to issue crafted SQL to overrun string buffers, with consequences as bad as arbitrary code execution. After these fixes, applications may observe “invalid byte sequence for encoding” errors when string functions process invalid text that has been stored in the database. The PostgreSQL Project thanks Paul Gerste and Moritz Sanft, as part of zeroday.cloud, for reporting this problem. 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After these fixes, applications may observe invalid byte sequence for encoding errors when string functions process invalid text that has been stored in the database. The PostgreSQL Project thanks Paul Gerste and Moritz Sanft, as part of zeroday.cloud, for reporting this problem. 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When executing a data-modifying CTE query containing both a MERGE and another DML operation on a table with statement-level AFTER triggers, the transition tables passed to the triggers would not include the rows affected by the MERGE, only those affected by the other operation(s).
Fix failure when all children of a partitioned target table of an update or delete have been pruned (Amit Langote) §
\nIn such cases, the executor could report “could not find junk ctid column” errors, even though nothing needs to be done.
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", "text": "Allow indexscans on partial hash indexes even when the index's predicate implies the truth of the WHERE clause (Tom Lane) § Normally we drop a WHERE clause that is implied by the predicate, since it's pointless to test it; it must hold for every index entry. However that can prevent creation of an indexscan plan if the index is one that requires a WHERE clause on the leading index key, as hash indexes do. Don't drop implied clauses when considering such an index.", "title": "Allow indexscans on partial hash indexes even when the index's predicate implies the truth of the WHERE clause", "commits": ["f19502f04"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "1478bf6398405397a5f5b05c225db0fbfd098fe740128f6edff994a4aab95373", "section_path": ["Changes"], "commit_groups": [["5528e8d10", "9e77323fc", "a212877dc", "b497766a8", "e79b27662", "f19502f04"]], "identity_text": "Allow indexscans on partial hash indexes even when the index's predicate implies the truth of the WHERE clause (Tom Lane) Normally we drop a WHERE clause that is implied by the predicate, since it's pointless to test it; it must hold for every index entry. However that can prevent creation of an indexscan plan if the index is one that requires a WHERE clause on the leading index key, as hash indexes do. 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\nOne seldom-taken code path incorrectly emitted a WAL record relating to a BRIN index even if the index was marked unlogged. Crash recovery would then fail to replay that record, complaining that the file already exists.
", "text": "Do not emit WAL for unlogged BRIN indexes (Kirill Reshke) § One seldom-taken code path incorrectly emitted a WAL record relating to a BRIN index even if the index was marked unlogged. Crash recovery would then fail to replay that record, complaining that the file already exists.", "title": "Do not emit WAL for unlogged BRIN indexes", "commits": ["460d97020"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "863d4705761a03f2ea660f22a367e7922cd2712f32e7cddc384350b3cbd751ea", "section_path": ["Changes"], "commit_groups": [["460d97020", "4b6d096a0", "951b60f7a", "a5277700e", "ab4256869", "d77a5f981"]], "identity_text": "Do not emit WAL for unlogged BRIN indexes (Kirill Reshke) One seldom-taken code path incorrectly emitted a WAL record relating to a BRIN index even if the index was marked unlogged. Crash recovery would then fail to replay that record, complaining that the file already exists.", "commit_aliases": ["460d97020", "4b6d096a0", "951b60f7a", "a5277700e", "ab4256869", "d77a5f981"], "source_commits": ["460d97020"], "source_entry_id": "15.16/changes/009", "db_id": "5e595f6d6c44016c34bfdd305d261a1f", "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f", "relations": [{"rule": 2, "type": "equivalent", "target": "0937f4c4aaa8ff37a519ed8e315b4268", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}, {"rule": 2, "type": "equivalent", "target": "293acf13040f24b30864b10bd699a3a0", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}, {"rule": 2, "type": "equivalent", "target": "a7d18f384393c9a111537f87704719de", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}, {"rule": 2, "type": "equivalent", "target": "e2905bab9de145b119d05715dee49169", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}], "version": "15.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0937f4c4aaa8ff37a519ed8e315b4268", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=18.2#18.2-569b26ba06e60ceb", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "293acf13040f24b30864b10bd699a3a0", "kind": "equivalent", "version": "17.8", "label": "17.8", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=17.8#17.8-91a20d38e502ab15", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "a7d18f384393c9a111537f87704719de", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=16.12#16.12-1d78fb1ed6b323ce", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "e2905bab9de145b119d05715dee49169", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=14.21#14.21-7a0553ecbce106c9", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "15.16-33cc5dd7a3fa872f", "cves": [], "html": "Prevent truncation of CLOG that is still needed by unread NOTIFY messages (Joel Jacobson, Heikki Linnakangas) § § §
This fix prevents “could not access status of transaction” errors when a backend is slow to absorb NOTIFY messages.
Escalate errors occurring during NOTIFY message processing to FATAL, i.e. close the connection (Heikki Linnakangas) §
Formerly, if a backend got an error while absorbing a NOTIFY message, it would advance past that message, report the error to the client, and move on. That behavior was fraught with problems though. One big concern is that the client has no good way to know that a notification was lost, and certainly no way to know what was in it. Depending on the application logic, missing a notification could cause the application to get stuck waiting, for example. Also, any remaining messages would not get processed until someone sent a new NOTIFY.
Also, if the connection is idle at the time of receiving a NOTIFY signal, any ERROR would be escalated to FATAL anyway, due to unrelated concerns. Therefore, we've chosen to make that happen in all cases, for consistency and to provide a clear signal to the application that it might have missed some notifications.
Fix bug in following update chain when locking a tuple (Jasper Smit) §
\nThis code path neglected to check the xmin of the first new tuple in the update chain, making it possible to lock an unrelated tuple if the original updater aborted and the space was immediately reclaimed by VACUUM and then re-used. That could cause unexpected transaction delays or deadlocks. Errors associated with having identified the wrong tuple have also been observed.
Fix issues around in-place catalog updates (Noah Misch) § § §
\nSend a nontransactional invalidation message for an in-place update, since such an update will survive transaction rollback. Also ensure that the update is WAL-logged before other sessions can see it. These fixes primarily prevent scenarios in which relations' frozen-XID attributes become inconsistent, possibly allowing premature CLOG truncation and subsequent “could not access status of transaction” errors.
", "text": "Fix issues around in-place catalog updates (Noah Misch) § § § Send a nontransactional invalidation message for an in-place update, since such an update will survive transaction rollback. Also ensure that the update is WAL-logged before other sessions can see it. These fixes primarily prevent scenarios in which relations' frozen-XID attributes become inconsistent, possibly allowing premature CLOG truncation and subsequent “could not access status of transaction” errors.", "title": "Fix issues around in-place catalog updates", "commits": ["05d605b6c", "20a48c156", "86091202a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "8e4b79aa44d37c8088720f85d7deceb05ef701bdc6d2c6d68b7bec2a3746a5e1", "section_path": ["Changes"], "commit_groups": [["05d605b6c", "0f69bedde", "1d7b02711", "811422471"], ["0dfbd191a", "27e4fad98", "86091202a", "bcb784e7d"], ["20a48c156", "720e9304f", "d3e5d8950", "e4b1986b9"]], "identity_text": "Fix issues around in-place catalog updates (Noah Misch) Send a nontransactional invalidation message for an in-place update, since such an update will survive transaction rollback. Also ensure that the update is WAL-logged before other sessions can see it. These fixes primarily prevent scenarios in which relations' frozen-XID attributes become inconsistent, possibly allowing premature CLOG truncation and subsequent could not access status of transaction errors.", "commit_aliases": ["05d605b6c", "0dfbd191a", "0f69bedde", "1d7b02711", "20a48c156", "27e4fad98", "720e9304f", "811422471", "86091202a", "bcb784e7d", "d3e5d8950", "e4b1986b9"], "source_commits": ["05d605b6c", "20a48c156", "86091202a"], "source_entry_id": "15.16/changes/013", "db_id": "1a1ca89a6f8b8a26e2fdc5c3adffee40", "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a", "relations": [{"rule": 2, "type": "equivalent", "target": "24d2c263d61d870ad15e04e37b9be312", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}}, {"rule": 2, "type": "equivalent", "target": "577989fe6b9f208495ce6a7ab6b002c6", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}}, {"rule": 2, "type": "equivalent", "target": "7e9c59cfc9b17218ff9e506d4b425a25", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}}], "version": "15.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "577989fe6b9f208495ce6a7ab6b002c6", "kind": "equivalent", "version": "17.8", "label": "17.8", "title": "Fix issues around in-place catalog updates", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}, "url": "/docs/compare/?release=17.8#17.8-3bb47161eed5f310", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "24d2c263d61d870ad15e04e37b9be312", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fix issues around in-place catalog updates", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}, "url": "/docs/compare/?release=16.12#16.12-630512d5e807ea1f", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "7e9c59cfc9b17218ff9e506d4b425a25", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fix issues around in-place catalog updates", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}, "url": "/docs/compare/?release=14.21#14.21-6a189e5adbc60f03", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "15.16-4db75c5b481234d4", "cves": [], "html": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment (Rahila Syed) §
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The shared-memory buffer holding a session's activity string can end with an incomplete multibyte character. Readers are supposed to truncate off any such incomplete character, but this function failed to do so.
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", "text": "Avoid rewriting data-modifying CTEs more than once (Bernice Southey, Dean Rasheed) § Formerly, when updating an auto-updatable view or a relation with rules, if the original query had any data-modifying CTEs, the rewriter would rewrite those CTEs multiple times due to recursion. This was inefficient and could produce false errors if a CTE included an update of an always-generated column.", "title": "Avoid rewriting data-modifying CTEs more than once", "commits": ["134a8ee22"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "829592d3da46613790fbc69ac2ffd62344d1a544b9f8fec96936df6ad3696c27", "section_path": ["Changes"], "commit_groups": [["134a8ee22", "2d5b97b8c", "3881561d7", "4d288e33b", "b880d9a02", "c09096503"]], "identity_text": "Avoid rewriting data-modifying CTEs more than once (Bernice Southey, Dean Rasheed) Formerly, when updating an auto-updatable view or a relation with rules, if the original query had any data-modifying CTEs, the rewriter would rewrite those CTEs multiple times due to recursion. This was inefficient and could produce false errors if a CTE included an update of an always-generated column.", "commit_aliases": ["134a8ee22", "2d5b97b8c", "3881561d7", "4d288e33b", "b880d9a02", "c09096503"], "source_commits": ["134a8ee22"], "source_entry_id": "15.16/changes/020", "db_id": "fa9d76713707441eef7a725233377166", "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb", "relations": [{"rule": 2, "type": "equivalent", "target": "6e6c8a0f6889fba17b9d4ea6308a8d7a", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}, {"rule": 2, "type": "equivalent", "target": "b1252119d1b5ac0ac5230ba9b7fb844b", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}, {"rule": 2, "type": "equivalent", "target": "c9710e1b97bbf384a5536e25246c2c1e", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}, {"rule": 2, "type": "equivalent", "target": "f467408bfd650872bf1654f4ee4ec70d", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}], "version": "15.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b1252119d1b5ac0ac5230ba9b7fb844b", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=18.2#18.2-598e6b46a303e445", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "f467408bfd650872bf1654f4ee4ec70d", "kind": "equivalent", "version": "17.8", "label": "17.8", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=17.8#17.8-fed0bc33b201283d", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "c9710e1b97bbf384a5536e25246c2c1e", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=16.12#16.12-806ed942f9c5fd64", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "6e6c8a0f6889fba17b9d4ea6308a8d7a", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=14.21#14.21-7e5820de57d7faff", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "15.16-61074b4b2db3b9f8", "cves": [], "html": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record (Nitin Jadhav) §
\nAdd an explicit check for this before starting recovery, so that no harm is done and a useful error message is provided. Previously, recovery might crash or corrupt the database in this situation.
", "text": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record (Nitin Jadhav) § Add an explicit check for this before starting recovery, so that no harm is done and a useful error message is provided. Previously, recovery might crash or corrupt the database in this situation.", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "commits": ["95ef6f490"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "84f67e887930c4401bfaac9db37b63623a9ccf18a8e16715e17cf78e5afffa86", "section_path": ["Changes"], "commit_groups": [["14161bca4", "1aa57e9ed", "68ebdf2b0", "95ef6f490", "dc7c77f82", "f5927da4f"]], "identity_text": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record (Nitin Jadhav) Add an explicit check for this before starting recovery, so that no harm is done and a useful error message is provided. Previously, recovery might crash or corrupt the database in this situation.", "commit_aliases": ["14161bca4", "1aa57e9ed", "68ebdf2b0", "95ef6f490", "dc7c77f82", "f5927da4f"], "source_commits": ["95ef6f490"], "source_entry_id": "15.16/changes/021", "db_id": "ea5f140766dc7aa68dd175c861036247", "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034", "relations": [{"rule": 2, "type": "equivalent", "target": "011195db7fe270680db938124518987b", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}, {"rule": 2, "type": "equivalent", "target": "3f4035b04c1c0e9ba08acef72e76fc91", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}, {"rule": 2, "type": "equivalent", "target": "7e009c5e3ee2635f5a3f2d6750f1a823", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}, {"rule": 2, "type": "equivalent", "target": "afebd143b96e516829ea82f80f213765", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}], "version": "15.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "afebd143b96e516829ea82f80f213765", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=18.2#18.2-48e29718af30085d", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "3f4035b04c1c0e9ba08acef72e76fc91", "kind": "equivalent", "version": "17.8", "label": "17.8", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=17.8#17.8-3d4d2474ea729f43", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "7e009c5e3ee2635f5a3f2d6750f1a823", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=16.12#16.12-ac8c469b0c901db5", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "011195db7fe270680db938124518987b", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=14.21#14.21-c97498907e799420", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "15.16-a0b138a134556f43", "cves": [], "html": "Avoid scribbling on the source query tree during ALTER PUBLICATION (Sunil S) §
This error had the visible effect that an event trigger fired for the query would see only the first publish option, even if several had been specified. If such a query were set up as a prepared statement, re-executions would misbehave too.
Pass connection options specified in CREATE SUBSCRIPTION ... CONNECTION to the publisher's walsender (Fujii Masao) §
Before this fix, the options connection option (if any) was ignored, thus for example preventing setting custom server parameter values in the walsender session. It was intended for that to work, and it did work before refactoring in PostgreSQL version 15 broke it, so restore the previous behavior.
Prevent invalidation of newly created or newly synced replication slots (Zhijie Hou) §
\nA race condition with a concurrent checkpoint could allow WAL to be removed that is needed by the replication slot, causing the slot to immediately get marked invalid.
", "text": "Prevent invalidation of newly created or newly synced replication slots (Zhijie Hou) § A race condition with a concurrent checkpoint could allow WAL to be removed that is needed by the replication slot, causing the slot to immediately get marked invalid.", "title": "Prevent invalidation of newly created or newly synced replication slots", "commits": ["aae05622a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.16/#id-1.11.6.9.5", "source_hash": "ff02422aa9db1fbec836f6b50bfcef0a7afbbbe64f40c64c45452ce4848a0962", "section_path": ["Changes"], "commit_groups": [["006dd4b2e", "24cce33c3", "3510ebeb0", "7406df605", "aae05622a", "d3ceb2084"], ["1c60f7236", "3a98f989e", "9649f1adf"], ["3243c0177", "851f6649c", "919c9fa13"]], "identity_text": "Prevent invalidation of newly created or newly synced replication slots (Zhijie Hou) A race condition with a concurrent checkpoint could allow WAL to be removed that is needed by the replication slot, causing the slot to immediately get marked invalid.", "commit_aliases": ["006dd4b2e", "1c60f7236", "24cce33c3", "3243c0177", "3510ebeb0", "3a98f989e", "7406df605", "851f6649c", "919c9fa13", "9649f1adf", "aae05622a", "d3ceb2084"], "source_commits": ["3a98f989e", "851f6649c", "aae05622a"], "source_entry_id": "15.16/changes/024", "db_id": "54b2a393bc7cb86ab19eb7c660bb2004", "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9", "relations": [{"rule": 2, "type": "equivalent", "target": "2e44c2dcd00ca731067ba5c1a7a9a31c", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}}, {"rule": 2, "type": "equivalent", "target": "7045b64c3c70e172ffa2ef8c1ae90896", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}}, {"rule": 2, "type": "equivalent", "target": "cb75695174eb56fb419b9a98e09580cc", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}}, {"rule": 2, "type": "equivalent", "target": "d1a860dc00a9dc81973d46ece96b0748", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}}], "version": "15.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": 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"/docs/compare/?release=17.8#17.8-2ab0d69c3c8683d7", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES"}, {"db_id": "7045b64c3c70e172ffa2ef8c1ae90896", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Prevent invalidation of newly created or newly synced replication slots", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}, "url": "/docs/compare/?release=16.12#16.12-2c0a03a7293625cd", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "d1a860dc00a9dc81973d46ece96b0748", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Prevent invalidation of newly created or newly synced replication slots", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", 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\nThis could lead to the error “cannot build an initial slot snapshot as oldest safe xid follows snapshot's xmin”.
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\nIn cases where partitions' column sets aren't physically identical to their parent partitioned tables' column sets, this oversight could lead to crashes.
", "text": "Fix incorrect logic for caching result-relation information for triggers (David Rowley, Amit Langote) § In cases where partitions' column sets aren't physically identical to their parent partitioned tables' column sets, this oversight could lead to crashes.", "title": "Fix incorrect logic for caching result-relation information for triggers", "commits": ["2992b9a07"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "0cb3f3ec5386edf89beb87030ef01e146217b4365866ce4a784b45c81fe6c34a", "section_path": ["Changes"], "commit_groups": [["0d3074615", "2992b9a07", "39dcfda2d", "a2387c32f", "a546964db"]], "identity_text": "Fix incorrect logic for caching result-relation information for triggers (David Rowley, Amit Langote) In cases where partitions' column sets aren't physically identical to their parent partitioned tables' column sets, this oversight could lead to crashes.", "commit_aliases": ["0d3074615", "2992b9a07", "39dcfda2d", "a2387c32f", "a546964db"], "source_commits": ["2992b9a07"], "source_entry_id": "15.15/changes/013", "db_id": "bb7f7a3657690f7a6c75d641dcc65860", "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef", "relations": [{"rule": 2, "type": "equivalent", "target": "13af7f30c1a66144a7c4729335ad6c55", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}}, {"rule": 2, "type": "equivalent", "target": "7ba23c07eaeb399e352fe32a704464e6", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}}, {"rule": 2, "type": "equivalent", "target": "ba3b5897c3d85845178cb5eee8dfba01", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}}], "version": "15.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "13af7f30c1a66144a7c4729335ad6c55", "kind": "equivalent", "version": "18.1", "label": "18.1", "title": "Fix incorrect logic for caching result-relation information for triggers", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}, "url": "/docs/compare/?release=18.1#18.1-fa17262588de7970", "source_url": "/docs/release/18.1/#RELEASE-18-1-CHANGES"}, {"db_id": "ba3b5897c3d85845178cb5eee8dfba01", "kind": "equivalent", "version": "17.7", "label": "17.7", "title": "Fix incorrect logic for caching result-relation information for triggers", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}, "url": "/docs/compare/?release=17.7#17.7-6305949a00dd4b54", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES"}, {"db_id": "7ba23c07eaeb399e352fe32a704464e6", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix incorrect logic for caching result-relation information for triggers", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}, "url": "/docs/compare/?release=16.11#16.11-b434454c9c408c94", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}]}, {"id": "15.15-486ee448380434dd", "cves": [], "html": "Add missing EvalPlanQual rechecks for TID Scan and TID Range Scan plan nodes (Sophie Alpert, David Rowley) § §
\nThis omission led to possibly not rechecking a condition on ctid during concurrent-update situations, causing the update's behavior to vary depending on which plan type had been selected.
Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ (Masahiko Sawada, Etsuro Fujita) §
\nIn such cases the foreign or custom access method should be invoked normally, but that did not happen, typically leading to a crash.
", "text": "Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ (Masahiko Sawada, Etsuro Fujita) § In such cases the foreign or custom access method should be invoked normally, but that did not happen, typically leading to a crash.", "title": "Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ", "commits": ["4a08603a2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "1bedc61344c837c93a33682d2f62a6a9f339d5e78ba32f2ebef097c5cb92c4a6", "section_path": ["Changes"], "commit_groups": [["12609fbac", "12b0c0e51", "24e74b962", "2bb84ea7e", "4a08603a2", "5a9af4868", "b14144325"]], "identity_text": "Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ (Masahiko Sawada, Etsuro Fujita) In such cases the foreign or custom access method 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ALTER TABLE DETACH PARTITION CONCURRENTLY was written to add a copy of the partitioning constraint to the now-detached partition. This was misguided, partially because non-concurrent DETACH doesn't do that, but mostly because in the case of hash partitioning the constraint expression contains references to the parent table's OID. That causes problems during dump/restore, or if the parent table is dropped after DETACH. In v19 and later, we'll no longer create any such copied constraints at all. In released branches, to minimize the risk of unforeseen consequences, only skip adding a copied constraint if it is for hash partitioning.
Disallow generated columns in partition keys (Jian He, Ashutosh Bapat) §
\nThis was already not allowed, but the check missed some cases, such as where the column reference is implicit in a whole-row reference.
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Previously, incorrect behavior or an obscure error message resulted from attempting to reference such a column, since generated columns have not yet been computed at the point where WHERE filtering is done.
Fix visibility checking for statistics objects in pg_temp (Noah Misch) §
A statistics object located in a temporary schema cannot be named without schema qualification, but pg_statistics_obj_is_visible() missed that memo and could return “true” regardless. In turn, functions such as pg_describe_object() could fail to schema-qualify the object's name as expected.
Fix pg_event_trigger_dropped_objects()'s reporting of temporary status (Antoine Violin, Tom Lane) § §
If a dropped column default, trigger, or RLS policy belongs to a temporary table, report it with is_temporary true.
Fix memory leakage in hashed subplans (Haiyang Li) §
\nAny memory consumed by the hash functions used for hashing tuples constituted a query-lifespan memory leak. One way that could happen is if the values being hashed require de-toasting.
", "text": "Fix memory leakage in hashed subplans (Haiyang Li) § Any memory consumed by the hash functions used for hashing tuples constituted a query-lifespan memory leak. One way that could happen is if the values being hashed require de-toasting.", "title": "Fix memory leakage in hashed subplans", "commits": ["5ac973892"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "2af162f69acfb25df1fcd82356b66c5d449678c293f79cd80a0c1aca72926205", "section_path": ["Changes"], "commit_groups": [["5ac973892", "5eab9b0a4", "862980f92", "8b6c29afd", "abdeacdb0", "bc865ff6d", "e1da9c072"]], "identity_text": "Fix memory leakage in hashed subplans (Haiyang Li) Any memory consumed by the hash functions used for hashing tuples constituted a query-lifespan memory leak. One way that could happen is if the values being hashed require de-toasting.", "commit_aliases": ["5ac973892", "5eab9b0a4", "862980f92", "8b6c29afd", "abdeacdb0", "bc865ff6d", "e1da9c072"], "source_commits": ["5ac973892"], "source_entry_id": "15.15/changes/021", "db_id": "f0d430aa11163b42d6790f75f65289ab", "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96", "relations": [{"rule": 2, "type": "equivalent", "target": "66d28945048365b27caabd86520573af", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}}, {"rule": 2, "type": "equivalent", "target": "716c8f69dbded655fabcf097344a2b29", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}}, {"rule": 2, "type": "equivalent", "target": "a023f6ed4b374eb0dc96609493ee88eb", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}}, {"rule": 2, "type": "equivalent", "target": "caf35b0c52d2f2d7be09e47941e76dee", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}}], "version": "15.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "a023f6ed4b374eb0dc96609493ee88eb", "kind": "equivalent", "version": "17.7", "label": "17.7", "title": "Fix memory leakage in hashed subplans", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}, "url": "/docs/compare/?release=17.7#17.7-e2424f99d2f437b5", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES"}, {"db_id": "716c8f69dbded655fabcf097344a2b29", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix memory leakage in hashed subplans", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}, "url": "/docs/compare/?release=16.11#16.11-690bb3133c148d74", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "caf35b0c52d2f2d7be09e47941e76dee", "kind": "equivalent", "version": "14.20", "label": "14.20", "title": "Fix memory leakage in hashed subplans", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}, "url": "/docs/compare/?release=14.20#14.20-33e44d7312fadeff", "source_url": "/docs/release/14.20/#id-1.11.6.10.5"}, {"db_id": "66d28945048365b27caabd86520573af", "kind": "equivalent", "version": "13.23", "label": "13.23", "title": "Fix memory leakage in hashed subplans", "evidence": {"same_day": true, "patch_ids": ["a2bb67b75f354f5dabcb71fadb21152b"], "statement_hash": "cdba0b2e8608b306f2792e48f6e19e37fcda5c115bfca2f87ba1928523ed4b96"}, "url": "/docs/compare/?release=13.23#13.23-7cc556201553018b", "source_url": "/docs/release/13.23/#id-1.11.6.6.6"}]}, {"id": "15.15-e3961aff6d69ca4a", "cves": [], "html": "Fix minor memory leak during WAL replay of database creation (Nathan Bossart) §
", "text": "Fix minor memory leak during WAL replay of database creation (Nathan Bossart) §", "title": "Fix minor memory leak during WAL replay of database creation", "commits": ["23b316c36"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "460dd9fedbfb2f390d48767e560c2f26111ac861f3d84899b7980ecf71a255b1", "section_path": ["Changes"], "commit_groups": [["23b316c36", "33e7b4a7c", "c72b5c536", "f9993ac64", "ff47f9c16"]], "identity_text": "Fix minor memory leak during WAL replay of database creation (Nathan Bossart)", "commit_aliases": ["23b316c36", "33e7b4a7c", "c72b5c536", "f9993ac64", "ff47f9c16"], "source_commits": ["23b316c36"], "source_entry_id": "15.15/changes/022", "db_id": "52d97c7cf8fbcce26fef4b0c910e4bf6", "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c", "relations": [{"rule": 2, "type": "equivalent", "target": "07b0f2ed9748f2ad84f75138a8f693ab", "evidence": {"same_day": true, "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c"}}, {"rule": 2, "type": "equivalent", "target": "0e7b5976bd913c25991a5ff549ac5f81", "evidence": {"same_day": true, "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c"}}, {"rule": 2, "type": "equivalent", "target": "4be639cfbce3dac014c7f3139f4beaa7", "evidence": {"same_day": true, "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c"}}], "version": "15.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0e7b5976bd913c25991a5ff549ac5f81", "kind": "equivalent", "version": "18.1", "label": "18.1", "title": "Fix minor memory leak during WAL replay of database creation", "evidence": {"same_day": true, "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c"}, "url": "/docs/compare/?release=18.1#18.1-c10f4000798b8d9f", "source_url": "/docs/release/18.1/#RELEASE-18-1-CHANGES"}, {"db_id": "4be639cfbce3dac014c7f3139f4beaa7", "kind": "equivalent", "version": "17.7", "label": "17.7", "title": "Fix minor memory leak during WAL replay of database creation", "evidence": {"same_day": true, "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c"}, "url": "/docs/compare/?release=17.7#17.7-200457c819df1105", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES"}, {"db_id": "07b0f2ed9748f2ad84f75138a8f693ab", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix minor memory leak during WAL replay of database creation", "evidence": {"same_day": true, "patch_ids": ["7b3c9562820ec298d794a69d51573920"], "statement_hash": "aaf589db3ca0547c1138682c80ba4c30d7666e77fdcd70b3a9824de7014ad03c"}, "url": "/docs/compare/?release=16.11#16.11-2e0c5a7298bb48a1", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}]}, {"id": "15.15-092c3fabcf87a792", "cves": [], "html": "Fix corruption of the shared statistics table after out-of-memory failures (Mikhail Kot) §
\nPreviously, an out-of-memory failure partway through creating a new hash table entry left a broken entry behind, potentially causing errors in other sessions later.
", "text": "Fix corruption of the shared statistics table after out-of-memory failures (Mikhail Kot) § Previously, an out-of-memory failure partway through creating a new hash table entry left a broken entry behind, potentially causing errors in other sessions later.", "title": "Fix corruption of the shared statistics table after out-of-memory failures", "commits": ["1852ec5db"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "46f2c202a486bfaa03978530d723985b79a93b6c0b3ce6ccb76df089547f327f", "section_path": ["Changes"], "commit_groups": [["12f57681c", "1852ec5db", "3e6dfcfb0", "8191e0c16", "f256a7bba"]], "identity_text": "Fix corruption of the shared statistics table after out-of-memory failures (Mikhail Kot) Previously, an out-of-memory failure partway through creating a new hash table entry left a broken entry behind, potentially causing errors in other sessions later.", "commit_aliases": ["12f57681c", "1852ec5db", "3e6dfcfb0", "8191e0c16", "f256a7bba"], "source_commits": ["1852ec5db"], "source_entry_id": "15.15/changes/023", "db_id": "e3be8eb6c685942d1ed8b0a46aef228d", "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315", "relations": [{"rule": 2, "type": "equivalent", "target": "e04d248137ebff8b4925101d2d580e2f", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}}, {"rule": 2, "type": "equivalent", "target": "f23e41805c101675a10149bbc9f843a2", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}}], "version": "15.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "e04d248137ebff8b4925101d2d580e2f", "kind": "equivalent", "version": "17.7", "label": "17.7", "title": "Fix corruption of the shared statistics table after out-of-memory failures", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}, "url": "/docs/compare/?release=17.7#17.7-f24d4db0884e5b15", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES"}, {"db_id": "f23e41805c101675a10149bbc9f843a2", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix corruption of the shared statistics table after out-of-memory failures", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}, "url": "/docs/compare/?release=16.11#16.11-2c62d646d59219fb", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}]}, {"id": "15.15-8d14c2b41b2cf2a3", "cves": [], "html": "Fix concurrent update issue in MERGE (Yugo Nagata) §
When executing a MERGE UPDATE action, if there is more than one concurrent update of the target row, the lock-and-retry code would sometimes incorrectly identify the latest version of the target tuple, leading to incorrect results.
Add missing replica identity checks in MERGE and INSERT ... ON CONFLICT DO UPDATE (Zhijie Hou) § § §
If MERGE may require update or delete actions, and the target table publishes updates or deletes, insist that it have a REPLICA IDENTITY defined. Failing to require this can silently break replication. Likewise, INSERT with an UPDATE option must require REPLICA IDENTITY if the target table publishes either inserts or updates.
Avoid deadlock during DROP SUBSCRIPTION when publisher is on the same server as subscriber (Dilip Kumar) §
Fix incorrect reporting of replication lag in pg_stat_replication view (Fujii Masao) §
If any standby server's replay LSN stopped advancing, the write_lag and flush_lag columns would eventually stop updating.
Avoid duplicative log messages about invalid primary_slot_name settings (Fujii Masao) §
Remove the unfinished slot state file after failing to write a replication slot's state to disk (Michael Paquier) §
\nPreviously, a failure such as out-of-disk-space resulted in leaving a temporary state.tmp file behind. That's problematic because it would block all subsequent attempts to write the state, requiring manual intervention to clean up.
Avoid unwanted WAL receiver shutdown when switching from streaming to archive WAL source (Xuneng Zhou) §
\nDuring a timeline change, a standby server's WAL receiver should remain alive, waiting for a new WAL streaming start point. Instead it was repeatedly shutting down and immediately getting restarted, which could confuse status monitoring code.
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Some code paths were capable of running for a long time without checking for interrupts.
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Make contrib/pgstattuple more robust about empty or invalid index pages (Nitin Motiani) §
Count all-zero pages as free space, and ignore pages that are invalid according to a check of the page's special-space size. The code for btree indexes already counted all-zero pages as free, but the hash and gist code would error out, which has been found to be much less user-friendly. Similarly, make all three cases agree on ignoring corrupted pages rather than throwing errors.
", "text": "Make contrib/pgstattuple more robust about empty or invalid index pages (Nitin Motiani) § Count all-zero pages as free space, and ignore pages that are invalid according to a check of the page's special-space size. The code for btree indexes already counted all-zero pages as free, but the hash and gist code would error out, which has been found to be much less user-friendly. Similarly, make all three cases agree on ignoring corrupted pages rather than throwing errors.", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "commits": ["49b5f0b53"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "e17b5c744beec38b280b7fc450286c0742e3404768340da8e1248f78a758f66b", "section_path": ["Changes"], "commit_groups": [["036decbba", "49b5f0b53", "684a745f5", "c0f9fe877", "c207bf473", "ee2dbcad0", "fc295beb7"]], "identity_text": "Make contrib/pgstattuple more robust about empty or invalid index pages (Nitin Motiani) Count all-zero pages as free space, and ignore pages that are invalid according to a check of the page's special-space size. The code for btree indexes already counted all-zero pages as free, but the hash and gist code would error out, which has been found to be much less user-friendly. Similarly, make all three cases agree on ignoring corrupted pages rather than throwing errors.", "commit_aliases": ["036decbba", "49b5f0b53", "684a745f5", "c0f9fe877", "c207bf473", "ee2dbcad0", "fc295beb7"], "source_commits": ["49b5f0b53"], "source_entry_id": "15.15/changes/051", "db_id": "e2d3ae73f7d42937b9fa7746740e86a5", "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d", "relations": [{"rule": 2, "type": "equivalent", "target": "3be631a7028f49faa7a328c190d249c2", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "7cf5a3928b0125574395c382ed52c5b1", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "a6ec20ccdb529fbc57070c204bf73a7c", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "bd4e2931635023fef1578e6a6ef3185b", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "dbdca19037730dda97abc3c0ca87e248", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}], "version": "15.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7cf5a3928b0125574395c382ed52c5b1", "kind": "equivalent", "version": "18.1", "label": "18.1", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=18.1#18.1-e14a404bd57c041c", "source_url": "/docs/release/18.1/#RELEASE-18-1-CHANGES"}, {"db_id": "3be631a7028f49faa7a328c190d249c2", "kind": "equivalent", "version": "17.7", "label": "17.7", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=17.7#17.7-a0ddb7978278cea0", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES"}, {"db_id": "a6ec20ccdb529fbc57070c204bf73a7c", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=16.11#16.11-4975417d9448e20f", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "dbdca19037730dda97abc3c0ca87e248", "kind": "equivalent", "version": "14.20", "label": "14.20", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=14.20#14.20-c4d40eb2b10eae53", "source_url": "/docs/release/14.20/#id-1.11.6.10.5"}, {"db_id": "bd4e2931635023fef1578e6a6ef3185b", "kind": "equivalent", "version": "13.23", "label": "13.23", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=13.23#13.23-12ea4dfe533f710f", "source_url": "/docs/release/13.23/#id-1.11.6.6.6"}]}, {"id": "15.15-82d836f7de563b25", "cves": [], "html": "Harden our read and write barrier macros to satisfy Clang (Thomas Munro) §
\nWe supposed that __atomic_thread_fence() is a sufficient barrier to prevent the C compiler from re-ordering memory accesses around it, but it appears that that's not true for Clang, allowing it to generate incorrect code for at least RISC-V, MIPS, and LoongArch machines. Add explicit compiler barriers to fix that.
Fix building with LLVM version 21 and later (Holger Hoffstätte) §
", "text": "Fix building with LLVM version 21 and later (Holger Hoffstätte) §", "title": "Fix building with LLVM version 21 and later", "commits": ["72a24bebc"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.15/#id-1.11.6.10.5", "source_hash": "cf8ab35f98392287078619bb2d31ea6977803c2d6aa55220b88916543c48030f", "section_path": ["Changes"], "commit_groups": [["2670881af", "282d0bdee", "59d6e843e", "72a24bebc", "755f01ad7", "c11ac811a", "fbfc36e94"]], "identity_text": "Fix building with LLVM version 21 and later (Holger Hoffstätte)", "commit_aliases": ["2670881af", "282d0bdee", "59d6e843e", "72a24bebc", "755f01ad7", "c11ac811a", "fbfc36e94"], "source_commits": ["72a24bebc"], "source_entry_id": "15.15/changes/053", "db_id": "da5c567c128753d27a14a732c1480620", "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c", "relations": [{"rule": 2, "type": "equivalent", "target": "152565dd357e9e4fcba3b2d002b2b0c7", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}, {"rule": 2, "type": "equivalent", "target": "24b4031db588e6778d74612aa49172b2", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}, {"rule": 2, "type": "equivalent", "target": "aab0b53feda88c49c8d1c8ccdd1a6349", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}, {"rule": 2, "type": "equivalent", "target": "fcb8805d652dd1509e939426bac8ece8", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}], "version": "15.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "24b4031db588e6778d74612aa49172b2", "kind": "equivalent", "version": "17.7", "label": "17.7", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=17.7#17.7-b8ab60aa2bde35d9", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES"}, {"db_id": "aab0b53feda88c49c8d1c8ccdd1a6349", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=16.11#16.11-1c0eb680df6b12a9", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "fcb8805d652dd1509e939426bac8ece8", "kind": "equivalent", "version": "14.20", "label": "14.20", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=14.20#14.20-78426d970b4ba2fa", "source_url": "/docs/release/14.20/#id-1.11.6.10.5"}, {"db_id": "152565dd357e9e4fcba3b2d002b2b0c7", "kind": "equivalent", "version": "13.23", "label": "13.23", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=13.23#13.23-b3c435bdb8475244", "source_url": "/docs/release/13.23/#id-1.11.6.6.6"}]}, {"id": "15.15-a6c2aa90b217412c", "cves": [], "html": "Fix PGXS build infrastructure to support building NLS po files for extensions (Ryo Matsumura) §
A dump/restore is not required for those running 15.X.
\nHowever, if you have any BRIN numeric_minmax_multi_ops indexes, it is advisable to reindex them after updating. See the fourth changelog entry below.
Also, if you are upgrading from a version earlier than 15.13, see Section E.7.
", "compatibility_count": 0, "label": "15.14", "status_label": "Supported", "eol": "2027-11-11", "age_days": 411, "support_days": 408, "entries": [{"id": "15.14-52cce071b03c8e4a", "cves": ["CVE-2017-7484", "CVE-2025-8713"], "html": "Tighten security checks in planner estimation functions (Dean Rasheed) §
\nThe fix for CVE-2017-7484, plus followup fixes, intended to prevent leaky functions from being applied to statistics data for columns that the calling user does not have permission to read. Two gaps in that protection have been found. One gap applies to partitioning and inheritance hierarchies where RLS policies on the tables should restrict access to statistics data, but did not.
\nThe other gap applies to cases where the query accesses a table via a view, and the view owner has permissions to read the underlying table but the calling user does not have permissions on the view. The view owner's permissions satisfied the security checks, and the leaky function would get applied to the underlying table's statistics before we check the calling user's permissions on the view. This has been fixed by making security checks on views occur at the start of planning. That might cause permissions failures to occur earlier than before.
\nThe PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2025-8713)
", "text": "Tighten security checks in planner estimation functions (Dean Rasheed) § The fix for CVE-2017-7484, plus followup fixes, intended to prevent leaky functions from being applied to statistics data for columns that the calling user does not have permission to read. Two gaps in that protection have been found. One gap applies to partitioning and inheritance hierarchies where RLS policies on the tables should restrict access to statistics data, but did not. The other gap applies to cases where the query accesses a table via a view, and the view owner has permissions to read the underlying table but the calling user does not have permissions on the view. The view owner's permissions satisfied the security checks, and the leaky function would get applied to the underlying table's statistics before we check the calling user's permissions on the view. This has been fixed by making security checks on views occur at the start of planning. That might cause permissions failures to occur earlier than before. The PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2025-8713)", "title": "Tighten security checks in planner estimation functions", "commits": ["415badc13"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "f259db600c3a14ca4dc11555e912fe2a240681b47fb56ef55c77599540e742df", "section_path": ["Changes"], "commit_groups": [["22424953c", "415badc13", "533211ded", "64f77c6a6", "7e86da539", "a85eddab2", "afe38fb6a"]], "identity_text": "Tighten security checks in planner estimation functions (Dean Rasheed) The fix for CVE-2017-7484, plus followup fixes, intended to prevent leaky functions from being applied to statistics data for columns that the calling user does not have permission to read. Two gaps in that protection have been found. One gap applies to partitioning and inheritance hierarchies where RLS policies on the tables should restrict access to statistics data, but did not. The other gap applies to cases where the query accesses a table via a view, and the view owner has permissions to read the underlying table but the calling user does not have permissions on the view. The view owner's permissions satisfied the security checks, and the leaky function would get applied to the underlying table's statistics before we check the calling user's permissions on the view. This has been fixed by making security checks on views occur at the start of planning. That might cause permissions failures to occur earlier than before. The PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2025-8713)", "commit_aliases": ["22424953c", "415badc13", "533211ded", "64f77c6a6", "7e86da539", "a85eddab2", "afe38fb6a"], "source_commits": ["415badc13"], "source_entry_id": "15.14/changes/001", "db_id": "bc9c4792b1c85d7d0f1221cc9bbea0a3", "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c", "relations": [{"rule": 2, "type": "equivalent", "target": "4008a7a7d764b0695b4f8cb5eecbc29c", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}, {"rule": 2, "type": "equivalent", "target": "61dc46af7f1da97de62a07c6c1063f4e", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}, {"rule": 2, "type": "equivalent", "target": "672931f9e1dc343ad721ab8a9cdda772", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}, {"rule": 2, "type": "equivalent", "target": "db7e96e5834fa62952eee3d912b2a351", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}], "version": "15.14", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4008a7a7d764b0695b4f8cb5eecbc29c", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=17.6#17.6-235b908f6ae5f3ee", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "672931f9e1dc343ad721ab8a9cdda772", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=16.10#16.10-423dcb75ca30c201", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "61dc46af7f1da97de62a07c6c1063f4e", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=14.19#14.19-37596904cdde57bc", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "db7e96e5834fa62952eee3d912b2a351", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=13.22#13.22-639d2c839166c19d", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-792ea6321c8a946b", "cves": ["CVE-2025-8714"], "html": "Prevent pg_dump scripts from being used to attack the user running the restore (Nathan Bossart) §
\nSince dump/restore operations typically involve running SQL commands as superuser, the target database installation must trust the source server. However, it does not follow that the operating system user who executes psql to perform the restore should have to trust the source server. The risk here is that an attacker who has gained superuser-level control over the source server might be able to cause it to emit text that would be interpreted as psql meta-commands. That would provide shell-level access to the restoring user's own account, independently of access to the target database.
\nTo provide a positive guarantee that this can't happen, extend psql with a \\restrict command that prevents execution of further meta-commands, and teach pg_dump to issue that before any data coming from the source server.
The PostgreSQL Project thanks Martin Rakhmanov, Matthieu Denais, and RyotaK for reporting this problem. (CVE-2025-8714)
", "text": "Prevent pg_dump scripts from being used to attack the user running the restore (Nathan Bossart) § Since dump/restore operations typically involve running SQL commands as superuser, the target database installation must trust the source server. However, it does not follow that the operating system user who executes psql to perform the restore should have to trust the source server. The risk here is that an attacker who has gained superuser-level control over the source server might be able to cause it to emit text that would be interpreted as psql meta-commands. That would provide shell-level access to the restoring user's own account, independently of access to the target database. To provide a positive guarantee that this can't happen, extend psql with a \\restrict command that prevents execution of further meta-commands, and teach pg_dump to issue that before any data coming from the source server. The PostgreSQL Project thanks Martin Rakhmanov, Matthieu Denais, and RyotaK for reporting this problem. (CVE-2025-8714)", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "commits": ["424040506"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "c45a4bfc2b6e9b4c2fecbfbf95205a73c8a2acf2ccf67bd1f669f3aa8bb638a1", "section_path": ["Changes"], "commit_groups": [["27d3dee68", "8967c33c6"], ["424040506", "575f54d4c", "67a2fbb8f", "71ea0d679", "7ad8e7909", "c204bd39f", "e4998d089"]], "identity_text": "Prevent pg_dump scripts from being used to attack the user running the restore (Nathan Bossart) Since dump/restore operations typically involve running SQL commands as superuser, the target database installation must trust the source server. However, it does not follow that the operating system user who executes psql to perform the restore should have to trust the source server. The risk here is that an attacker who has gained superuser-level control over the source server might be able to cause it to emit text that would be interpreted as psql meta-commands. That would provide shell-level access to the restoring user's own account, independently of access to the target database. To provide a positive guarantee that this can't happen, extend psql with a \\restrict command that prevents execution of further meta-commands, and teach pg_dump to issue that before any data coming from the source server. The PostgreSQL Project thanks Martin Rakhmanov, Matthieu Denais, and RyotaK for reporting this problem. (CVE-2025-8714)", "commit_aliases": ["27d3dee68", "424040506", "575f54d4c", "67a2fbb8f", "71ea0d679", "7ad8e7909", "8967c33c6", "c204bd39f", "e4998d089"], "source_commits": ["424040506", "8967c33c6"], "source_entry_id": "15.14/changes/002", "db_id": "dc692223d4e4409943580a9615f51575", "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a", "relations": [{"rule": 2, "type": "equivalent", "target": "2995efbedeebcfc1ca35284729dc63ca", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}, {"rule": 2, "type": "equivalent", "target": "69c7f2c77e9261cdc8fe8d36c3769742", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}, {"rule": 2, "type": "equivalent", "target": "93ac3cfe25f78778dca8ff85e31817be", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}, {"rule": 2, "type": "equivalent", "target": "caaaa341c31c9018981e72d6161a2801", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}], "version": "15.14", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "93ac3cfe25f78778dca8ff85e31817be", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=17.6#17.6-5be27cec56fb902a", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "69c7f2c77e9261cdc8fe8d36c3769742", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=16.10#16.10-631fe2b5cc95bf19", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "2995efbedeebcfc1ca35284729dc63ca", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=14.19#14.19-7d06a1d1ebfb29d7", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "caaaa341c31c9018981e72d6161a2801", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=13.22#13.22-2c8737193994e3d6", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-f808465a0b3d99e8", "cves": ["CVE-2012-0868", "CVE-2025-8715"], "html": "Convert newlines to spaces in names included in comments in pg_dump output (Noah Misch) §
\nObject names containing newlines offered the ability to inject arbitrary SQL commands into the output script. (Without the preceding fix, injection of psql meta-commands would also be possible this way.) CVE-2012-0868 fixed this class of problem at the time, but later work reintroduced several cases.
\nThe PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2025-8715)
", "text": "Convert newlines to spaces in names included in comments in pg_dump output (Noah Misch) § Object names containing newlines offered the ability to inject arbitrary SQL commands into the output script. (Without the preceding fix, injection of psql meta-commands would also be possible this way.) CVE-2012-0868 fixed this class of problem at the time, but later work reintroduced several cases. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2025-8715)", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "commits": ["9751f934a"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "bcc63f773d26f410fa682e711aec65b7b5ada71e2bc7541edc58672440b273b5", "section_path": ["Changes"], "commit_groups": [["0f5838438", "13a67ce60", "2179e6005", "70693c645", "850caae60", "9751f934a", "9b92f115b"]], "identity_text": "Convert newlines to spaces in names included in comments in pg_dump output (Noah Misch) Object names containing newlines offered the ability to inject arbitrary SQL commands into the output script. (Without the preceding fix, injection of psql meta-commands would also be possible this way.) CVE-2012-0868 fixed this class of problem at the time, but later work reintroduced several cases. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2025-8715)", "commit_aliases": ["0f5838438", "13a67ce60", "2179e6005", "70693c645", "850caae60", "9751f934a", "9b92f115b"], "source_commits": ["9751f934a"], "source_entry_id": "15.14/changes/003", "db_id": "37108a0558c6e7099facfb4c06a2343a", "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258", "relations": [{"rule": 2, "type": "equivalent", "target": "38111ed952ef48e4da5272e7c83e8a05", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}, {"rule": 2, "type": "equivalent", "target": "88e2718dcf7026885e58101ad68ad92b", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}, {"rule": 2, "type": "equivalent", "target": "e4409746da14b6ce48dbfc4198028b20", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}, {"rule": 2, "type": "equivalent", "target": "f51ac36aaada0528abd65e283dc38a35", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}], "version": "15.14", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "38111ed952ef48e4da5272e7c83e8a05", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=17.6#17.6-85269ca5c1610b49", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "f51ac36aaada0528abd65e283dc38a35", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=16.10#16.10-af4d8aac9b4f8e26", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "e4409746da14b6ce48dbfc4198028b20", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=14.19#14.19-fb4152603ed81a9f", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "88e2718dcf7026885e58101ad68ad92b", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=13.22#13.22-a726243ec1d439af", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-d6dc0de428453b28", "cves": [], "html": "Fix incorrect distance calculation in BRIN numeric_minmax_multi_ops support function (Peter Eisentraut, Tom Lane) §
The results were sometimes wrong on 64-bit platforms, and wildly wrong on 32-bit platforms. This did not produce obvious failures because the logic is only used to choose how to merge values into ranges; at worst the index would become inefficient and bloated. Nonetheless it's recommended to reindex any BRIN indexes that use the numeric_minmax_multi_ops operator class.
Avoid regression in the size of XML input that we will accept (Michael Paquier, Erik Wienhold) § §
\nOur workaround for a bug in early 2.13.x releases of libxml2 made use of a code path that rejects text chunks exceeding 10MB, whereas the previous coding did not. Those early releases are presumably extinct in the wild by now, so revert to the previous coding.
", "text": "Avoid regression in the size of XML input that we will accept (Michael Paquier, Erik Wienhold) § § Our workaround for a bug in early 2.13.x releases of libxml2 made use of a code path that rejects text chunks exceeding 10MB, whereas the previous coding did not. Those early releases are presumably extinct in the wild by now, so revert to the previous coding.", "title": "Avoid regression in the size of XML input that we will accept", "commits": ["0928e18eb", "0ffbd345e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "782c58334cfe1e565be4704ba4a247985a9b06eda7c17174257766fc91992a98", "section_path": ["Changes"], "commit_groups": [["0395464af", "0ffbd345e", "589d6e640", "637ead2e1", "6d5e493b4", "71c0921b6", "fd4ad33fe"], ["0928e18eb", "0ae824704", "7571e0f6e", "762c6d8d2", "902f92221", "cdcdabce5", "d5f014d89"]], "identity_text": "Avoid regression in the size of XML input that we will accept (Michael Paquier, Erik Wienhold) Our workaround for a bug in early 2.13.x releases of libxml2 made use of a code path that rejects text chunks exceeding 10MB, whereas the previous coding did not. Those early releases are presumably extinct in the wild by now, so revert to the previous coding.", "commit_aliases": ["0395464af", "0928e18eb", "0ae824704", "0ffbd345e", "589d6e640", "637ead2e1", "6d5e493b4", "71c0921b6", "7571e0f6e", "762c6d8d2", "902f92221", "cdcdabce5", "d5f014d89", "fd4ad33fe"], "source_commits": ["0928e18eb", "0ffbd345e"], "source_entry_id": "15.14/changes/005", "db_id": "6f0df2f7f9eaa8699c25d67daabf9b0f", "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313", "relations": [{"rule": 2, "type": "equivalent", "target": "0ee6aeae8fc928ce374749037900ae26", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}, {"rule": 2, "type": "equivalent", "target": "1fde207d731da78f7ffa4b41ed55d84f", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}, {"rule": 2, "type": "equivalent", "target": "bb2bd06d13098be6d2f716fc39bcebc1", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}, {"rule": 2, "type": "equivalent", "target": "f0095d007a81a7cca2bd060e2fed3b13", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "bb2bd06d13098be6d2f716fc39bcebc1", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=17.6#17.6-ce1930917ebddcaa", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "f0095d007a81a7cca2bd060e2fed3b13", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=16.10#16.10-e13cec0f22d647d2", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "0ee6aeae8fc928ce374749037900ae26", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=14.19#14.19-43d78edde7b0cec8", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "1fde207d731da78f7ffa4b41ed55d84f", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=13.22#13.22-66f9371c0bdfa68c", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-0b7f4c516b654692", "cves": [], "html": "Fix MERGE into a plain-inheritance parent table (Dean Rasheed) §
Insertions into such a target table could crash or produce incorrect query results due to failing to handle WITH CHECK OPTION and RETURNING actions.
Allow tables with statement-level triggers to become partitions or inheritance children (Etsuro Fujita) §
\nWe do not allow partitions or inheritance child tables to have row-level triggers with transition tables, because an operation on the whole inheritance tree would need to maintain a separate transition table for each such child table. But that problem does not apply for statement-level triggers, because only the parent's statement-level triggers will be fired. The code that checks whether an existing table can become a partition or inheritance child nonetheless rejected both kinds of trigger.
", "text": "Allow tables with statement-level triggers to become partitions or inheritance children (Etsuro Fujita) § We do not allow partitions or inheritance child tables to have row-level triggers with transition tables, because an operation on the whole inheritance tree would need to maintain a separate transition table for each such child table. But that problem does not apply for statement-level triggers, because only the parent's statement-level triggers will be fired. The code that checks whether an existing table can become a partition or inheritance child nonetheless rejected both kinds of trigger.", "title": "Allow tables with statement-level triggers to become partitions or inheritance children", "commits": ["f39a7f32a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "070a633893fd3842db63d70c20f801acc534115bceb5ed134c1432537bc404d1", "section_path": ["Changes"], "commit_groups": [["3863c6fb6", "73eb6afa1", "9e63f83a7", "afdb4cde1", "bba6a6faf", "e028ce911", "f39a7f32a"]], "identity_text": "Allow tables with statement-level triggers to become partitions or inheritance children (Etsuro Fujita) We do not allow partitions or inheritance child tables to have row-level triggers with transition tables, because an operation on the whole inheritance tree would need to maintain a separate transition table for each such child table. But that problem does not apply for statement-level triggers, because only the parent's statement-level triggers will be fired. 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\nWe do not support triggers with transition tables on foreign tables. However, the case of a partition or inheritance child that is a foreign table was overlooked. If the parent has such a trigger, incorrect transition tuples were collected from the foreign child. Instead throw an error, reporting that the case is not supported.
", "text": "Disallow collecting transition tuples from child foreign tables (Etsuro Fujita) § We do not support triggers with transition tables on foreign tables. However, the case of a partition or inheritance child that is a foreign table was overlooked. If the parent has such a trigger, incorrect transition tuples were collected from the foreign child. Instead throw an error, reporting that the case is not supported.", "title": "Disallow collecting transition tuples from child foreign tables", "commits": ["d642d2306"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "da168fd86cc5da1807b62fcedc3adf5b6f596e6b380a74308dad80468bc3e159", "section_path": ["Changes"], "commit_groups": [["62a1211d3", "9048a83c7", "9cca445df", "b6641f7b0", "ce8817022", "d642d2306", "e94fc1a8a"]], "identity_text": "Disallow collecting transition tuples from child foreign tables (Etsuro Fujita) We do not support triggers with transition tables on foreign tables. However, the case of a partition or inheritance child that is a foreign table was overlooked. If the parent has such a trigger, incorrect transition tuples were collected from the foreign child. Instead throw an error, reporting that the case is not supported.", "commit_aliases": ["62a1211d3", "9048a83c7", "9cca445df", "b6641f7b0", "ce8817022", "d642d2306", "e94fc1a8a"], "source_commits": ["d642d2306"], "source_entry_id": "15.14/changes/008", "db_id": "a1e77a42db5570cb12c20d1010246a22", "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63", "relations": [{"rule": 2, "type": "equivalent", "target": "2979e7070342fffc5ad3b796f44b4bc6", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}, {"rule": 2, "type": "equivalent", "target": "a92bdec02c5cc11013deebd80c74b0eb", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}, {"rule": 2, "type": "equivalent", "target": "ab769326d638153e0ea7ef5f3a2dcb49", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}, {"rule": 2, "type": "equivalent", "target": "d139e318081b10609507f4cac88f0f8a", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "a92bdec02c5cc11013deebd80c74b0eb", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=17.6#17.6-271f6d5d0c5205b8", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "ab769326d638153e0ea7ef5f3a2dcb49", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=16.10#16.10-17bba33bfae8d9d4", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "d139e318081b10609507f4cac88f0f8a", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=14.19#14.19-1ab1051a32528a44", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "2979e7070342fffc5ad3b796f44b4bc6", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=13.22#13.22-81ac4c617cec1e50", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-5ee3c037154203f3", "cves": [], "html": "Allow resetting unknown custom parameters with reserved prefixes (Nathan Bossart) §
\nPreviously, if a parameter setting had been stored using ALTER DATABASE/ROLE/SYSTEM, the stored setting could not be removed if the parameter was unknown but had a reserved prefix. This case could arise if an extension used to have a parameter, but that parameter had been removed in an upgrade.
Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION (Ajin Cherian) §
Ensure that server processes acquire catalog locks in a consistent order during replication origin drops.
", "text": "Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION (Ajin Cherian) § Ensure that server processes acquire catalog locks in a consistent order during replication origin drops.", "title": "Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION", "commits": ["434d2d147"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "d4d3dca73b82a25d2c4a052322e4dd6c6a860cc742febbfbc7727cd4ccb6f4f6", "section_path": ["Changes"], "commit_groups": [["2ab2d6f97", "41fb3f51c", "434d2d147", "8c298324a", "adfd80219", "d9f01a287"]], "identity_text": "Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION (Ajin Cherian) Ensure that server processes acquire catalog locks in a consistent order during replication origin drops.", "commit_aliases": ["2ab2d6f97", "41fb3f51c", "434d2d147", "8c298324a", "adfd80219", "d9f01a287"], "source_commits": ["434d2d147"], "source_entry_id": "15.14/changes/010", "db_id": "1de0d029ccf2648086aaccf4f49f5ddc", "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934", "relations": [{"rule": 2, "type": "equivalent", "target": "119e92e0c7e4ba7b3831fe250dba85c1", "evidence": {"same_day": true, "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934"}}, {"rule": 2, "type": "equivalent", "target": "18c5f105597d23e166fd08e03cf49656", "evidence": {"same_day": true, "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934"}}, {"rule": 2, "type": "equivalent", "target": "4f811c946e4b4a6a82a76490865d47b6", "evidence": {"same_day": true, "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934"}}], "version": "15.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "18c5f105597d23e166fd08e03cf49656", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION", "evidence": {"same_day": true, "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934"}, "url": "/docs/compare/?release=17.6#17.6-9c7e461e56dfefe9", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "119e92e0c7e4ba7b3831fe250dba85c1", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION", "evidence": {"same_day": true, "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934"}, "url": "/docs/compare/?release=16.10#16.10-9015eff1dde180a1", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "4f811c946e4b4a6a82a76490865d47b6", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION", "evidence": {"same_day": true, "patch_ids": ["143bab990487b546b1c946801959bb56"], "statement_hash": "50f73d9f0f29f1a2f239e34133545b82b3517495807dae45806b36358c6eb934"}, "url": "/docs/compare/?release=14.19#14.19-47bd9af427539628", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}]}, {"id": "15.14-6dc816abb0b4e861", "cves": [], "html": "Shorten the race condition window for creating indexes with conflicting names (Tom Lane) §
\nWhen choosing an auto-generated name for an index, avoid conflicting with not-yet-committed pg_class rows as well as fully-valid ones. This avoids possibly choosing the same name as some concurrent CREATE INDEX did, when that command is still in process of filling its index, or is done but is part of a not-yet-committed transaction. There's still a window for trouble, but it's only as long as the time needed to validate a new index's parameters and insert its pg_class row.
Prevent usage of incorrect VACUUM options in some cases where multiple tables are vacuumed in a single command (Nathan Bossart, Michael Paquier) §
The TRUNCATE and INDEX_CLEANUP options of one table could be applied to others.
Fix processing of character classes within SIMILAR TO regular expressions (Laurenz Albe) § §
The code that translates SIMILAR TO pattern matching expressions to POSIX-style regular expressions did not consider that square brackets can be nested. For example, in a pattern like [[:alpha:]%_], the code treated the % and _ characters as metacharacters when they should be literals.
When deparsing queries, always add parentheses around the expression in FETCH FIRST clauses (Heikki Linnakangas) §expression ROWS WITH TIES
This avoids some cases where the deparsed result wasn't syntactically valid.
", "text": "When deparsing queries, always add parentheses around the expression in FETCH FIRST expression ROWS WITH TIES clauses (Heikki Linnakangas) § This avoids some cases where the deparsed result wasn't syntactically valid.", "title": "When deparsing queries, always add parentheses around the expression in FETCH FIRST expression ROWS WITH TIES clauses", "commits": ["72fe74ca5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "68b2d0a4c4f8d16aa5bfe82c64aab81d980dac4e900dbe931aa0557a07a882ba", "section_path": ["Changes"], "commit_groups": [["0420b24fe", "29f7ce6fe", "54c05292b", "72fe74ca5", "7ee00918f", "92a9ba3b9"], ["558ea446a", "a4da7b0cf", "cbf53e2b8"]], "identity_text": "When deparsing queries, always add parentheses around the expression in FETCH FIRST expression ROWS WITH TIES clauses (Heikki Linnakangas) This avoids some cases where the deparsed result wasn't syntactically valid.", "commit_aliases": 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"15.14-b5cdd8306236aec3", "cves": [], "html": "Limit the checkpointer process's fsync request queue size (Alexander Korotkov, Xuneng Zhou) § §
\nWith very large shared_buffers settings, it was possible for the checkpointer to attempt to allocate more than 1GB for fsync requests, leading to failure and an infinite loop. Clamp the queue size to prevent this scenario.
Avoid infinite wait in logical decoding when reading a partially-written WAL record (Vignesh C) §
\nIf the server crashes after writing the first part of a WAL record that would span multiple pages, subsequent logical decoding of the WAL stream would wait for data to arrive on the next WAL page. That might never happen if the server is now idle.
", "text": "Avoid infinite wait in logical decoding when reading a partially-written WAL record (Vignesh C) § If the server crashes after writing the first part of a WAL record that would span multiple pages, subsequent logical decoding of the WAL stream would wait for data to arrive on the next WAL page. That might never happen if the server is now idle.", "title": "Avoid infinite wait in logical decoding when reading a partially-written WAL record", "commits": ["9f270f48f"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "264b2a4cecbc395ab1e1c8c9f7f38d3ff8fd7e496275e2e54124c2d44fb048aa", "section_path": ["Changes"], "commit_groups": [["5449d5b7a", "762f352ca", "9f270f48f", "b485e1c89", "bedfdb85b", "c9f4e7520", "d3917d8f1"]], "identity_text": "Avoid infinite wait in logical decoding when reading a partially-written WAL record (Vignesh C) If the server crashes after writing the first part of a WAL record that would span multiple pages, subsequent logical decoding of the WAL stream would wait for data to arrive on the next WAL page. That might never happen if the server is now idle.", "commit_aliases": ["5449d5b7a", "762f352ca", "9f270f48f", "b485e1c89", "bedfdb85b", "c9f4e7520", "d3917d8f1"], "source_commits": ["9f270f48f"], "source_entry_id": "15.14/changes/016", "db_id": "22e9d4de76eb1e464e3ec27fe97dd92f", "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9", "relations": [{"rule": 2, "type": "equivalent", "target": "58b07f22664eda599d8b66bf542f2279", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}}, {"rule": 2, "type": "equivalent", "target": "93c9113e8027956fcabdf155f8f75e4e", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}}, {"rule": 2, "type": "equivalent", "target": "d765a2454362eae947f4e8fb58437956", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}}, {"rule": 2, "type": "equivalent", "target": "ee8d9b40c53ea8c4169fbdeb6a702b0c", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "93c9113e8027956fcabdf155f8f75e4e", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Avoid infinite wait in logical decoding when reading a partially-written WAL record", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}, "url": "/docs/compare/?release=17.6#17.6-c0d682449b03726c", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "d765a2454362eae947f4e8fb58437956", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid infinite wait in logical decoding when reading a partially-written WAL record", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}, "url": "/docs/compare/?release=16.10#16.10-c837113a33e19cfe", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "ee8d9b40c53ea8c4169fbdeb6a702b0c", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid infinite wait in logical decoding when reading a partially-written WAL record", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}, "url": "/docs/compare/?release=14.19#14.19-81c556306da153c8", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "58b07f22664eda599d8b66bf542f2279", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid infinite wait in logical decoding when reading a partially-written WAL record", "evidence": {"same_day": true, "patch_ids": ["144ef66a83178a770de8fdb2ebc4a8ca"], "statement_hash": "36121084c99a58bdd2789e976cd801346c4feca0c2b1726e05ff531a6a74e2e9"}, "url": "/docs/compare/?release=13.22#13.22-9aa3ca20baea6a38", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-fd663653ae3be56d", "cves": [], "html": "Fix inconsistent quoting of role names in ACL strings (Tom Lane) §
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Reject equal signs (=) in the names of relation options and foreign-data options (Tom Lane) §
There's no evident use-case for option names like this, and allowing them creates ambiguity in the stored representation.
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\nThis error seems to manifest only with not-very-compressible input data, which may explain why it escaped detection.
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", "text": "Avoid re-distributing cache invalidation messages from other transactions during logical replication (vignesh C) § Our previous round of minor releases included a bug fix to ensure that replication receiver processes would respond to cross-process cache invalidation messages, preventing them from using stale catalog data while performing replication updates. However, the fix unintentionally made them also redistribute those messages again, leading to an exponential increase in the number of invalidation messages, which would often end in a memory allocation failure. 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However, the fix unintentionally made them also redistribute those messages again, leading to an exponential increase in the number of invalidation messages, which would often end in a memory allocation failure. Fix by not redistributing received messages.", "commit_aliases": ["1230be12f", "45c357e0e", "87819f766", "983b36362", "b2ae07720", "d87d07b7a", "fc0fb77c5"], "source_commits": ["87819f766", "fc0fb77c5"], "source_entry_id": "15.14/changes/021", "db_id": "c21a911113d9e87b49c45518f22a2dfc", "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d", "relations": [{"rule": 2, "type": "equivalent", "target": "1b42275facb138dcb392f27b6e27f9a4", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}, {"rule": 2, "type": "equivalent", "target": "4eaa52c036c883f61e659c01b52fb190", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}, {"rule": 2, "type": "equivalent", "target": "a9cc9dab0228660da06096fd68f433f3", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}, {"rule": 2, "type": "equivalent", "target": "b3009aa88c3ced8a05c6dba715705c19", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "4eaa52c036c883f61e659c01b52fb190", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=17.6#17.6-6c93c6ab7dac53db", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "b3009aa88c3ced8a05c6dba715705c19", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=16.10#16.10-06d7a3fbd837850b", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "1b42275facb138dcb392f27b6e27f9a4", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=14.19#14.19-92960400d06a6cb9", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "a9cc9dab0228660da06096fd68f433f3", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=13.22#13.22-3fd682e6d8f36911", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-9ae4261d1b4c369c", "cves": [], "html": "Avoid premature removal of old WAL during checkpoints (Vitaly Davydov) §
\nIf a replication slot's restart point is advanced while a checkpoint is in progress, no-longer-needed WAL segments could get removed too soon, leading to recovery failure if the database crashes immediately afterwards. Fix by keeping them for one additional checkpoint cycle.
", "text": "Avoid premature removal of old WAL during checkpoints (Vitaly Davydov) § If a replication slot's restart point is advanced while a checkpoint is in progress, no-longer-needed WAL segments could get removed too soon, leading to recovery failure if the database crashes immediately afterwards. Fix by keeping them for one additional checkpoint cycle.", "title": "Avoid premature removal of old WAL during checkpoints", "commits": ["dd9bc1a17"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "16c2edb53800eaf3a61a0097cec73a86645638b69ef60d47edc07df251c6349d", "section_path": ["Changes"], "commit_groups": [["2090edc6f", "cea8f2c3e", "dd3df0b85", "dd9bc1a17", "e2832bd96"]], "identity_text": "Avoid premature removal of old WAL during checkpoints (Vitaly Davydov) If a replication slot's restart point is advanced while a checkpoint is in progress, no-longer-needed WAL segments could get removed too soon, leading to recovery failure if the database crashes immediately afterwards. Fix by keeping them for one additional checkpoint cycle.", "commit_aliases": ["2090edc6f", "cea8f2c3e", "dd3df0b85", "dd9bc1a17", "e2832bd96"], "source_commits": ["dd9bc1a17"], "source_entry_id": "15.14/changes/022", "db_id": "9cd299656d523ad883dc82d378ca2484", "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857", "relations": [{"rule": 2, "type": "equivalent", "target": "0b434eea45e0fa732c2e0f652d15f416", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}, {"rule": 2, "type": "equivalent", "target": "157e22a9e0303f40144c7595100b1787", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}, {"rule": 2, "type": "equivalent", "target": "6b7844a84a190d055371db21611e225a", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}, {"rule": 2, "type": "equivalent", "target": "991bdbb446e54520c74d7fbfcb5eb2d5", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "157e22a9e0303f40144c7595100b1787", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=17.6#17.6-1494a836c62de80f", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "0b434eea45e0fa732c2e0f652d15f416", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=16.10#16.10-edf48c160da14a41", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "991bdbb446e54520c74d7fbfcb5eb2d5", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=14.19#14.19-a002cd37807a3acb", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "6b7844a84a190d055371db21611e225a", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=13.22#13.22-fc131f2ed494a6e9", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-948c6fd636c15705", "cves": [], "html": "Never move a replication slot's confirmed-flush position backwards (Shveta Malik) §
\nIn some cases a replication client could acknowledge an LSN that's past what it has stored persistently, and then perhaps send an older LSN after a restart. We consider this not-a-bug so long as the client did not have anything it needed to do for the WAL between the two points. However, we should not re-send that WAL for fear of data duplication, so make sure we always believe the latest confirmed LSN for a given slot.
", "text": "Never move a replication slot's confirmed-flush position backwards (Shveta Malik) § In some cases a replication client could acknowledge an LSN that's past what it has stored persistently, and then perhaps send an older LSN after a restart. We consider this not-a-bug so long as the client did not have anything it needed to do for the WAL between the two points. However, we should not re-send that WAL for fear of data duplication, so make sure we always believe the latest confirmed LSN for a given slot.", "title": "Never move a replication slot's confirmed-flush position backwards", "commits": ["9d1a62359"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "00557fd40b32926862eb4f22bec544da0142e823ba4412a68df5c373c614b864", "section_path": ["Changes"], "commit_groups": [["7318f241d", "9d1a62359", "ad5eaf390", "c0f51fde5", "e323d9df0", "e68459489"]], "identity_text": "Never move a replication slot's confirmed-flush position backwards (Shveta Malik) In some cases a replication client could acknowledge an LSN that's past what it has stored persistently, and then perhaps send an older LSN after a restart. We consider this not-a-bug so long as the client did not have anything it needed to do for the WAL between the two points. However, we should not re-send that WAL for fear of data duplication, so make sure we always believe the latest confirmed LSN for a given slot.", "commit_aliases": ["7318f241d", "9d1a62359", "ad5eaf390", "c0f51fde5", "e323d9df0", "e68459489"], "source_commits": ["9d1a62359"], "source_entry_id": "15.14/changes/023", "db_id": "a5a72dc4b4696a8ef2999104a04f52ef", "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8", "relations": [{"rule": 2, "type": "equivalent", "target": "302bc1e6fedc523897672d05dfe14569", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}, {"rule": 2, "type": "equivalent", "target": "543c80aec11057987c705aefac252ccb", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}, {"rule": 2, "type": "equivalent", "target": "6d9a892128e3245f9c561bcf03f2d17d", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}, {"rule": 2, "type": "equivalent", "target": "c47cce13b2327ae5b79682de3bf86211", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c47cce13b2327ae5b79682de3bf86211", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=17.6#17.6-1b410e48287bb276", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "302bc1e6fedc523897672d05dfe14569", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=16.10#16.10-a10640250c82eb91", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "6d9a892128e3245f9c561bcf03f2d17d", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=14.19#14.19-ab4b5ab8772355f3", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "543c80aec11057987c705aefac252ccb", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=13.22#13.22-8712d41c8b7aa917", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-6e00ab88631c0790", "cves": [], "html": "Allow waiting for a transaction on a standby server to be interrupted (Kevin K Biju) §
\nCreation of a replication slot on a standby server may require waiting for some active transaction(s) to finish on the primary and then be replayed on the standby. Since that could be an indefinite wait, it's desirable to allow the operation to be cancelled, but there was no check for query cancel in the loop.
", "text": "Allow waiting for a transaction on a standby server to be interrupted (Kevin K Biju) § Creation of a replication slot on a standby server may require waiting for some active transaction(s) to finish on the primary and then be replayed on the standby. Since that could be an indefinite wait, it's desirable to allow the operation to be cancelled, but there was no check for query cancel in the loop.", "title": "Allow waiting for a transaction on a standby server to be interrupted", "commits": ["405cca9da"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "0b25d0ef7a7eb97954d09d7095a084eff49d41b7152fce7cb91d4d5e6b99f86e", "section_path": ["Changes"], "commit_groups": [["24c5ad5be", "405cca9da", "63fa7caa9", "706344f06", "9130d8eee", "961553daf"]], "identity_text": "Allow waiting for a transaction on a standby server to be interrupted (Kevin K Biju) Creation of a replication slot on a standby server may require waiting for some active transaction(s) to finish on the primary and then be replayed on the standby. Since that could be an indefinite wait, it's desirable to allow the operation to be cancelled, but there was no check for query cancel in the loop.", "commit_aliases": ["24c5ad5be", "405cca9da", "63fa7caa9", "706344f06", "9130d8eee", "961553daf"], "source_commits": ["405cca9da"], "source_entry_id": "15.14/changes/024", "db_id": "82cbaa6bcb1ffd8af558965a2d5c0001", "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45", "relations": [{"rule": 2, "type": "equivalent", "target": "0e70198e4406f4acd9a45e1827f2a947", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}, {"rule": 2, "type": "equivalent", "target": "441419563e7b1213eb40a5ad00a314a2", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}, {"rule": 2, "type": "equivalent", "target": "747d14855d798bb1987f50d262b8d020", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}, {"rule": 2, "type": "equivalent", "target": "b6b261baad736c03573d16bfb1b117b3", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "441419563e7b1213eb40a5ad00a314a2", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=17.6#17.6-edcd26180e8726a0", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "0e70198e4406f4acd9a45e1827f2a947", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=16.10#16.10-48e4f07a16e0e3e4", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "b6b261baad736c03573d16bfb1b117b3", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=14.19#14.19-70cf4a7b8724e91d", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "747d14855d798bb1987f50d262b8d020", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=13.22#13.22-b7873e51a933f275", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-8d88f1f98ad8a0f5", "cves": [], "html": "Fix per-relation memory leakage in autovacuum (Tom Lane) §
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\nThis could result in an assertion failure or “cannot fetch toast data without an active snapshot” error.
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This failed in edge cases such as an empty prepared statement.
", "text": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti() (Álvaro Herrera) § This failed in edge cases such as an empty prepared statement.", "title": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti()", "commits": ["c2720ac60"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.14/#id-1.11.6.11.5", "source_hash": "e113710ffe02ee0ff63d6f2271d827155758cd8f2496f48717514765a8166fae", "section_path": ["Changes"], "commit_groups": [["0c466f5e0", "43cd85962", "4871c1e9c", "b8926a5b4", "b9a896828", "c2720ac60", "e0d3f3cfb"]], "identity_text": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti() (Álvaro Herrera) This failed in edge cases such as an empty prepared statement.", "commit_aliases": ["0c466f5e0", "43cd85962", "4871c1e9c", "b8926a5b4", "b9a896828", "c2720ac60", "e0d3f3cfb"], "source_commits": ["c2720ac60"], "source_entry_id": "15.14/changes/028", "db_id": "d9147fb696a093f4982942c7e9837f5c", "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e", "relations": [{"rule": 2, "type": "equivalent", "target": "29f00b03931c829d5d1fc33a545d7f2e", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}}, {"rule": 2, "type": "equivalent", "target": "3088f95cab6d048c5c9eaeab66d96284", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}}, {"rule": 2, "type": "equivalent", "target": "69acaf7eb64fd7b09e33dc034c31117b", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}}, {"rule": 2, "type": "equivalent", "target": "c19274d77bf45d3de069b4cb3f2b9558", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}}], "version": "15.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "69acaf7eb64fd7b09e33dc034c31117b", "kind": "equivalent", "version": "17.6", "label": "17.6", "title": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti()", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}, "url": "/docs/compare/?release=17.6#17.6-ff92c9676b1b3d1b", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES"}, {"db_id": "3088f95cab6d048c5c9eaeab66d96284", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti()", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}, "url": "/docs/compare/?release=16.10#16.10-68b74c0ee8871660", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "29f00b03931c829d5d1fc33a545d7f2e", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti()", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}, "url": "/docs/compare/?release=14.19#14.19-08438a0e7ddef201", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "c19274d77bf45d3de069b4cb3f2b9558", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Remove faulty assertion that a command tag must have been determined by the end of PortalRunMulti()", "evidence": {"same_day": true, "patch_ids": ["89e3c2af85b43ec9e5c0880c832f7201"], "statement_hash": "f14c48b3304341a11f41f6a2913ce37ca10201d8817278f900dbd5be5eaf588e"}, "url": "/docs/compare/?release=13.22#13.22-c04ee227e6028abd", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "15.14-d3bfcfdaf7d34eaf", "cves": [], "html": "Fix assertion failure in XMLTABLE parsing (Richard Guo) §
Restore the ability to run PL/pgSQL expressions in parallel (Dipesh Dhameliya) §
\nPL/pgSQL's notion of an “expression” is very broad, encompassing any SQL SELECT query that returns a single column and no more than one row. So there are cases, for example evaluation of an aggregate function, where the query involves significant work and it'd be useful to run it with parallel workers. This used to be possible, but a previous bug fix unintentionally disabled it.
Fix edge-case resource leaks in PL/Python error reporting (Tom Lane) § §
\nAn out-of-memory failure while reporting an error from Python could result in failure to drop reference counts on Python objects, leading to session-lifespan memory leakage.
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This is the documented behavior, but recent libpq versions would return NULL in some cases where the user had not provided a port specification. Revert to our historical behavior of returning an empty string in such cases. (v18 and later will return the compiled-in default port number, typically \"5432\", instead.)
Avoid failure when GSSAPI authentication requires packets larger than 16kB (Jacob Champion, Tom Lane) §
\nLarger authentication packets are needed for Active Directory users who belong to many AD groups. This limitation manifested in connection failures with unintelligible error messages, typically “GSSAPI context establishment error: The routine must be called again to complete its function: Unknown error”.
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Fix pg_waldump to show information about dropped statistics in PREPARE TRANSACTION WAL records (Daniil Davydov) §
Avoid possible leak of the open connection during contrib/dblink connection establishment (Tom Lane) §
In the rare scenario where we hit out-of-memory while inserting the new connection object into dblink's hashtable, the open connection would be leaked until end of session, leaving an idle session sitting on the remote server.
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Autoprewarm failed with a memory allocation error if shared_buffers was larger than about 50 million buffers (400GB).
In contrib/pg_stat_statements, avoid leaving gaps in the set of parameter numbers used in a normalized query (Sami Imseih) §
Fix memory leakage in contrib/postgres_fdw's DirectModify methods (Tom Lane) §
The PGresult holding the results of the remote modify command would be leaked for the rest of the session if the query fails between invocations of the DirectModify methods, which could happen when there's RETURNING data to process.
Ensure that directories listed in configure's --with-includes and --with-libraries options are searched before system-supplied directories (Tom Lane) §
A common reason for using these options is to allow a user-built version of some library to override the system-supplied version. However, that failed to work in some environments because of careless ordering of switches in the commands issued by the makefiles.
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configure failed to detect these Windows-specific functions, so that they would not be used, leading to slower-than-necessary CRC computations since the availability of hardware instructions could not be verified. The practical impact of this error was limited, because production builds for Windows typically do not use the Autoconf toolchain.
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\nCreating or attaching partitions failed to make the required catalog entries for a foreign-key constraint, if the table referenced by the constraint was the same partitioned table. This resulted in failure to enforce the constraint fully.
\nTo fix this, you should drop and recreate any self-referential foreign keys on partitioned tables, if partitions have been created or attached since the constraint was created. Bear in mind that violating rows might already be present, in which case recreating the constraint will fail, and you'll need to fix up those rows before trying again.
", "text": "Handle self-referential foreign keys on partitioned tables correctly (Álvaro Herrera) § Creating or attaching partitions failed to make the required catalog entries for a foreign-key constraint, if the table referenced by the constraint was the same partitioned table. This resulted in failure to enforce the constraint fully. To fix this, you should drop and recreate any self-referential foreign keys on partitioned tables, if partitions have been created or attached since the constraint was created. Bear in mind that violating rows might already be present, in which case recreating the constraint will fail, and you'll need to fix up those rows before trying again.", "title": "Handle self-referential foreign keys on partitioned tables correctly", "commits": ["6ba979cf5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.13/#id-1.11.6.12.5", "source_hash": "508b5fc58577b5508afc23c50dd5a19a472515e22f3f38c2b13d011cdc27a402", "section_path": ["Changes"], "commit_groups": [["1649d153a", "1817d62ec", "6ba979cf5", "b3a9c536d", "c83a38758", "f51ae3187"]], "identity_text": "Handle self-referential foreign keys on partitioned tables correctly (Álvaro Herrera) Creating or attaching partitions failed to make the required catalog entries for a foreign-key constraint, if the table referenced by the constraint was the same partitioned table. This resulted in failure to enforce the constraint fully. To fix this, you should drop and recreate any self-referential foreign keys on partitioned tables, if partitions have been created or attached since the constraint was created. 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The code failed to account for decompression results not being identical to the input objects, which would result in failure to add some of the data to the merged summary, leading to missed rows in index searches.
\nThis mistake was present back to v14 where BRIN bloom indexes were introduced, but this code path was only rarely reached then. It's substantially more likely to be hit in v17 because parallel index builds now use the code.
", "text": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union() (Tomas Vondra) § The code failed to account for decompression results not being identical to the input objects, which would result in failure to add some of the data to the merged summary, leading to missed rows in index searches. This mistake was present back to v14 where BRIN bloom indexes were introduced, but this code path was only rarely reached then. It's substantially more likely to be hit in v17 because parallel index builds now use the code.", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "commits": ["e064b770c"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.13/#id-1.11.6.12.5", "source_hash": "b5a564807598efe2cfa2989815f51c770515df2183e40bed90a618228df15647", "section_path": ["Changes"], "commit_groups": [["6be02bbc8", "818245506", "cb0ad70b8", "e064b770c", "ebcc799a7"]], "identity_text": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union() (Tomas Vondra) The code failed to account for decompression results not being identical to the input objects, which would result in failure to add some of the data to the merged summary, leading to missed rows in index searches. This mistake was present back to v14 where BRIN bloom indexes were introduced, but this code path was only rarely reached then. It's substantially more likely to be hit in v17 because parallel index builds now use the code.", "commit_aliases": ["6be02bbc8", "818245506", "cb0ad70b8", "e064b770c", "ebcc799a7"], "source_commits": ["e064b770c"], "source_entry_id": "15.13/changes/003", "db_id": "3a11ecf5fadca551924c452d89cfd2ae", "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609", "relations": [{"rule": 2, "type": "equivalent", "target": "4843f13cf3d1c267a1482aff53d43829", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}}, {"rule": 2, "type": "equivalent", "target": "485bff3c834029add3cd04127b9baf3b", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}}, {"rule": 2, "type": "equivalent", "target": "bbe2be1a596ba923c5a319334510b4f8", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}}], "version": "15.13", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "485bff3c834029add3cd04127b9baf3b", "kind": "equivalent", "version": "17.5", "label": "17.5", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}, "url": "/docs/compare/?release=17.5#17.5-713c7047a302325a", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES"}, {"db_id": "4843f13cf3d1c267a1482aff53d43829", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}, "url": "/docs/compare/?release=16.9#16.9-00a18a3ddf7896ba", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "bbe2be1a596ba923c5a319334510b4f8", "kind": "equivalent", "version": "14.18", "label": "14.18", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}, "url": "/docs/compare/?release=14.18#14.18-f538b53a2f7f69ca", "source_url": "/docs/release/14.18/#id-1.11.6.12.5"}]}, {"id": "15.13-77004cecd223761f", "cves": [], "html": "Fix unexpected “attribute has wrong type” errors in UPDATE, DELETE, and MERGE queries that use whole-row table references to views or functions in FROM (Tom Lane) § § §
Fix MERGE into a partitioned table with DO NOTHING actions (Tender Wang) §
Some cases failed with “unknown action in MERGE WHEN clause” errors.
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Constraint failure was reported even if the generation expression produced a perfectly okay result.
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This patch restores the behavior that existed before PostgreSQL 9.5: the result is of type int2vector[] or oidvector[].
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If a domain type has a default, adding a column of that type (without any explicit DEFAULT clause) failed to install the domain's default value in existing rows, instead leaving the new column null.
Repair misbehavior when there are duplicate column names in a foreign key constraint's ON DELETE SET DEFAULT or SET NULL action (Tom Lane) §
Improve the error message for disallowed attempts to alter the properties of a foreign key constraint (Álvaro Herrera) §
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Fix planner's failure to identify more than one hashable ScalarArrayOpExpr subexpression within a top-level expression (David Geier) §
\nThis resulted in unnecessarily-inefficient execution of any additional subexpressions that could have been processed with a hash table (that is, IN, NOT IN, or = ANY clauses with all-constant right-hand sides).
Disable “skip fetch” optimization in bitmap heap scan (Matthias van de Meent) §
\nIt turns out that this optimization can result in returning dead tuples when a concurrent vacuum marks a page all-visible.
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\nAn indexable clause with many keys (for example, jsonbcol ?| array[...] with tens of thousands of array elements) took O(N2) time to start up, and was uncancelable for that interval too.
Detect missing support procedures in a BRIN index operator class, and report an error instead of crashing (Álvaro Herrera) §
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\nPreviously, nothing would happen until one of the subplans becomes ready.
", "text": "Respond to interrupts (such as query cancel) while waiting for asynchronous subplans of an Append plan node (Heikki Linnakangas) § Previously, nothing would happen until one of the subplans becomes ready.", "title": "Respond to interrupts (such as query cancel) while waiting for asynchronous subplans of an Append plan node", "commits": ["d4d34c08c"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.13/#id-1.11.6.12.5", "source_hash": "ca6c901eaf0edc0cfa0fef4da97d3f0f4bc0773b1c011c8ce8c64a107168f7d5", "section_path": ["Changes"], "commit_groups": [["004dbbd72", "af717317a", "d2fb076be", "d4d34c08c", "e731e9d5e"]], "identity_text": "Respond to interrupts (such as query cancel) while waiting for asynchronous subplans of an Append plan node (Heikki Linnakangas) Previously, nothing would happen until one of the subplans becomes ready.", "commit_aliases": ["004dbbd72", "af717317a", "d2fb076be", "d4d34c08c", "e731e9d5e"], "source_commits": ["d4d34c08c"], "source_entry_id": "15.13/changes/018", "db_id": "f65f31a24c7b824da5419e0fce1173eb", "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3", "relations": [{"rule": 2, "type": "equivalent", "target": "266ac90fa5b9b2152af01edeb08fb5b7", "evidence": {"same_day": true, "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3"}}, {"rule": 2, "type": "equivalent", "target": "bc6275afdb9fe4237e597f5a8a0f7d1e", "evidence": {"same_day": true, "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3"}}, {"rule": 2, "type": "equivalent", "target": "f96c8bb00838600eb0266dddb8c5497e", "evidence": {"same_day": true, "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3"}}], "version": "15.13", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "bc6275afdb9fe4237e597f5a8a0f7d1e", "kind": "equivalent", "version": "17.5", "label": "17.5", "title": "Respond to interrupts (such as query cancel) while waiting for asynchronous subplans of an Append plan node", "evidence": {"same_day": true, "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3"}, "url": "/docs/compare/?release=17.5#17.5-3b760fb385f5b7f6", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES"}, {"db_id": "266ac90fa5b9b2152af01edeb08fb5b7", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Respond to interrupts (such as query cancel) while waiting for asynchronous subplans of an Append plan node", "evidence": {"same_day": true, "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3"}, "url": "/docs/compare/?release=16.9#16.9-43771120e2df4821", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "f96c8bb00838600eb0266dddb8c5497e", "kind": "equivalent", "version": "14.18", "label": "14.18", "title": "Respond to interrupts (such as query cancel) while waiting for asynchronous subplans of an Append plan node", "evidence": {"same_day": true, "patch_ids": ["c064a1921c86b2d8f990d5d2c678cf3f"], "statement_hash": "f35a3ca56391c5cc0085b028fe9770aec4c6158b8a3e85b4f85a689282d9f1c3"}, "url": "/docs/compare/?release=14.18#14.18-ebb42881c8090b7d", "source_url": "/docs/release/14.18/#id-1.11.6.12.5"}]}, {"id": "15.13-bcea9256969a7e79", "cves": [], "html": "Fix race condition in handling of synchronous_standby_names immediately after startup (Melnikov Maksim, Michael Paquier) §
For a short period after system startup, backends might fail to wait for synchronous commit even though synchronous_standby_names is enabled.
Fix pg_strtof() to not crash with null endptr (Alexander Lakhin, Tom Lane) §
Avoid crash when a Snowball stemmer encounters an out-of-memory condition (Maksim Korotkov) §
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\nIf the requested recovery timeline is not reachable, the reported checkpoint and timeline should be the values read from the backup_label, if there is one. This message previously reported values from the control file, which is correct when recovering from the control file without a backup_label, but not when there is a backup_label.
", "text": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice (David Steele) § If the requested recovery timeline is not reachable, the reported checkpoint and timeline should be the values read from the backup_label, if there is one. This message previously reported values from the control file, which is correct when recovering from the control file without a backup_label, but not when there is a backup_label.", "title": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice", "commits": ["62bed7bb0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.13/#id-1.11.6.12.5", "source_hash": "b7dd6a8ea628680c582670d0ac22e704c3e2a590a9ae5c418c5bffd6b40fcc78", "section_path": ["Changes"], "commit_groups": [["29cce279b", "62bed7bb0", "71f17823b", "b4969a296"]], "identity_text": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice (David Steele) If the requested recovery timeline is not reachable, the reported checkpoint and timeline should be the values read from the backup_label, if there is one. This message previously reported values from the control file, which is correct when recovering from the control file without a backup_label, but not when there is a backup_label.", "commit_aliases": ["29cce279b", "62bed7bb0", "71f17823b", "b4969a296"], "source_commits": ["62bed7bb0"], "source_entry_id": "15.13/changes/025", "db_id": "54c2c91919ba0bb07a3b8c1d61f42e31", "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff", "relations": [{"rule": 2, "type": "equivalent", "target": "98f7fe84bec7c123507049c72ef3a854", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}}, {"rule": 2, "type": "equivalent", "target": "a246338555d823bc8f689670b84ea7a0", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}}], "version": "15.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "a246338555d823bc8f689670b84ea7a0", "kind": "equivalent", "version": "17.5", "label": "17.5", "title": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}, "url": "/docs/compare/?release=17.5#17.5-5d0c95873c035713", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES"}, {"db_id": "98f7fe84bec7c123507049c72ef3a854", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}, "url": "/docs/compare/?release=16.9#16.9-a1968804eab98396", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}]}, {"id": "15.13-b2f3f7b8005b2c50", "cves": [], "html": "Fix assertion failure in snapshot building (Masahiko Sawada) §
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Fix overly-strict assertion in gistFindCorrectParent() (Heikki Linnakangas) §
Fix rare assertion failure in standby servers when the primary is restarted (Heikki Linnakangas) §
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Don't try to drop individual index partitions in pg_dump's --clean mode (Jian He) §
The server rejects such DROP commands. That has no real consequences, since the partitions will go away anyway in the subsequent DROPs of either their parent tables or their partitioned index. However, the error reported for the attempted drop causes problems when restoring in --single-transaction mode.
In pg_dumpall, avoid emitting invalid role GRANT commands if pg_auth_members contains invalid role OIDs (Tom Lane) §
Instead, print a warning and skip the entry. This copes better with catalog corruption that has been seen to occur in back branches as a result of race conditions between GRANT and DROP ROLE.
In pg_amcheck and pg_upgrade, use the correct function to free allocations made by libpq (Michael Paquier, Ranier Vilela) §
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This change back-patches a v17-era fix. It prevents possible hangs in CREATE DATABASE and DROP DATABASE due to failure to detect deadlocks.
Avoid crashing with corrupt input data in contrib/pageinspect's heap_page_items() (Dmitry Kovalenko) §
Prevent assertion failure in contrib/pg_freespacemap's pg_freespacemap() (Tender Wang) §
Applying pg_freespacemap() to a relation lacking storage (such as a view) caused an assertion failure, although there was no ill effect in non-assert builds. Add an error check to reject that case.
Fix build failure on macOS 15.4 (Tom Lane, Peter Eisentraut) §
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Data-quoting functions supplied by libpq now fully check the encoding validity of their input. If invalid characters are detected, they report an error if possible. For the ones that lack an error return convention, the output string is adjusted to ensure that the server will report invalid encoding and no intervening processing will be fooled by bytes that might happen to match single quote, backslash, etc.
\nThe purpose of this change is to guard against SQL-injection attacks that are possible if one of these functions is used to quote crafted input. There is no hazard when the resulting string is sent directly to a PostgreSQL server (which would check its encoding anyway), but there is a risk when it is passed through psql or other client-side code. Historically such code has not carefully vetted encoding, and in many cases it's not clear what it should do if it did detect such a problem.
\nThis fix is effective only if the data-quoting function, the server, and any intermediate processing agree on the character encoding that's being used. Applications that insert untrusted input into SQL commands should take special care to ensure that that's true.
\nApplications and drivers that quote untrusted input without using these libpq functions may be at risk of similar problems. They should first confirm the data is valid in the encoding expected by the server.
\nThe PostgreSQL Project thanks Stephen Fewer for reporting this problem. (CVE-2025-1094)
", "text": "Harden PQescapeString and allied functions against invalidly-encoded input strings (Andres Freund, Noah Misch) § § § § § § Data-quoting functions supplied by libpq now fully check the encoding validity of their input. If invalid characters are detected, they report an error if possible. For the ones that lack an error return convention, the output string is adjusted to ensure that the server will report invalid encoding and no intervening processing will be fooled by bytes that might happen to match single quote, backslash, etc. The purpose of this change is to guard against SQL-injection attacks that are possible if one of these functions is used to quote crafted input. There is no hazard when the resulting string is sent directly to a PostgreSQL server (which would check its encoding anyway), but there is a risk when it is passed through psql or other client-side code. Historically such code has not carefully vetted encoding, and in many cases it's not clear what it should do if it did detect such a problem. This fix is effective only if the data-quoting function, the server, and any intermediate processing agree on the character encoding that's being used. Applications that insert untrusted input into SQL commands should take special care to ensure that that's true. Applications and drivers that quote untrusted input without using these libpq functions may be at risk of similar problems. They should first confirm the data is valid in the encoding expected by the server. The PostgreSQL Project thanks Stephen Fewer for reporting this problem. 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If invalid characters are detected, they report an error if possible. For the ones that lack an error return convention, the output string is adjusted to ensure that the server will report invalid encoding and no intervening processing will be fooled by bytes that might happen to match single quote, backslash, etc. The purpose of this change is to guard against SQL-injection attacks that are possible if one of these functions is used to quote crafted input. There is no hazard when the resulting string is sent directly to a PostgreSQL server (which would check its encoding anyway), but there is a risk when it is passed through psql or other client-side code. Historically such code has not carefully vetted encoding, and in many cases it's not clear what it should do if it did detect such a problem. This fix is effective only if the data-quoting function, the server, and any intermediate processing agree on the character encoding that's being used. 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\nDo not check datallowconn, rolcanlogin, and ACL_CONNECT privileges when starting a parallel worker, instead assuming that it's enough for the leader process to have passed similar checks originally. This avoids, for example, unexpected failures of parallelized queries when the leader is running as a role that lacks login privilege. In the same vein, enforce ReservedConnections, datconnlimit, and rolconnlimit limits only against regular backends, and count only regular backends while checking if the limits were already reached. Those limits are meant to prevent excessive consumption of process slots for regular backends --- but parallel workers and other special processes have their own pools of process slots with their own limit checks.
Fix possible re-use of stale results in window aggregates (David Rowley) §
\nA window aggregate with a “run condition” optimization and a pass-by-reference result type might incorrectly return the result from the previous partition instead of performing a fresh calculation.
", "text": "Fix possible re-use of stale results in window aggregates (David Rowley) § A window aggregate with a “run condition” optimization and a pass-by-reference result type might incorrectly return the result from the previous partition instead of performing a fresh calculation.", "title": "Fix possible re-use of stale results in window aggregates", "commits": ["d54378e98"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "e8c87965dcb9835c56bf985cffd4af32ccd9199656fc5f1c5e9bb9ab144d7aa8", "section_path": ["Changes"], "commit_groups": [["1fe5a347e", "9d5ce4f1a", "c1d6506ac", "d54378e98"]], "identity_text": "Fix possible re-use of stale results in window aggregates (David Rowley) A window aggregate with a run condition optimization and a pass-by-reference result type might incorrectly return the result from the previous partition instead of performing a fresh calculation.", "commit_aliases": ["1fe5a347e", "9d5ce4f1a", "c1d6506ac", "d54378e98"], "source_commits": ["d54378e98"], "source_entry_id": "15.11/changes/003", "db_id": "ee143dad58aee392b913c703e066d97d", "patch_ids": ["dc92bb8a053fda23c6cdbb5d527dab86"], "statement_hash": "3348968e1772f69b37843c78b6190a0dfa50788f92ee1c5992a55373fd833936", "relations": [{"rule": 2, "type": "equivalent", "target": "8e257e8176086cef546cb8c600a2fb7b", "evidence": {"same_day": true, "patch_ids": ["dc92bb8a053fda23c6cdbb5d527dab86"], "statement_hash": "3348968e1772f69b37843c78b6190a0dfa50788f92ee1c5992a55373fd833936"}}, {"rule": 2, "type": "equivalent", "target": "c57a5e58b3071a80c1237977113f07bc", "evidence": {"same_day": true, "patch_ids": ["dc92bb8a053fda23c6cdbb5d527dab86"], "statement_hash": "3348968e1772f69b37843c78b6190a0dfa50788f92ee1c5992a55373fd833936"}}], "version": "15.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8e257e8176086cef546cb8c600a2fb7b", "kind": "equivalent", "version": "17.3", "label": "17.3", "title": "Fix possible re-use of stale results in window aggregates", "evidence": {"same_day": true, "patch_ids": ["dc92bb8a053fda23c6cdbb5d527dab86"], "statement_hash": "3348968e1772f69b37843c78b6190a0dfa50788f92ee1c5992a55373fd833936"}, "url": "/docs/compare/?release=17.3#17.3-f3848e6992b5ba8d", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES"}, {"db_id": "c57a5e58b3071a80c1237977113f07bc", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Fix possible re-use of stale results in window aggregates", "evidence": {"same_day": true, "patch_ids": ["dc92bb8a053fda23c6cdbb5d527dab86"], "statement_hash": "3348968e1772f69b37843c78b6190a0dfa50788f92ee1c5992a55373fd833936"}, "url": "/docs/compare/?release=16.7#16.7-b15a407e0c13a1e0", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}]}, {"id": "15.11-10d6ee2ef80e51a0", "cves": [], "html": "Keep TransactionXmin in sync with MyProc->xmin (Heikki Linnakangas) §
This oversight could permit a process to try to access data that had already been vacuumed away. One known consequence is transient “could not access status of transaction” errors.
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", "text": "Fix data corruption when relation truncation fails (Thomas Munro) § § § The filesystem calls needed to perform relation truncation could fail, leaving inconsistent state on disk (for example, effectively reviving deleted data). We can't really prevent that, but we can recover by dint of making such failures into PANICs, so that consistency is restored by replaying from WAL up to just before the attempted truncation. 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\nThis avoids a race condition wherein the modified file might not get fsync'd before completing the checkpoint, creating a risk of data corruption if the operating system crashes soon after.
", "text": "Prevent checkpoints from starting during relation truncation (Robert Haas) § This avoids a race condition wherein the modified file might not get fsync'd before completing the checkpoint, creating a risk of data corruption if the operating system crashes soon after.", "title": "Prevent checkpoints from starting during relation truncation", "commits": ["a501fe5a9"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "873ad79821d736a2a8e5e618aba53a292b1408e229493c11996774bec653364d", "section_path": ["Changes"], "commit_groups": [["1168acbca", "75818b3af", "7d0b91a28", "a501fe5a9", "ad5aa7bfd", "d4ffbf47b"]], "identity_text": "Prevent checkpoints from starting during relation truncation (Robert Haas) This avoids a race condition wherein the modified file might not get fsync'd before completing the checkpoint, creating a risk of data corruption if the operating system crashes soon after.", "commit_aliases": ["1168acbca", "75818b3af", "7d0b91a28", "a501fe5a9", "ad5aa7bfd", "d4ffbf47b"], "source_commits": ["a501fe5a9"], "source_entry_id": "15.11/changes/008", "db_id": "470f2470a3f35434fb1d59ff2b3944f7", "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d", "relations": [{"rule": 2, "type": "equivalent", "target": "48e63346cf5f2bd983ad4aa906ad04c3", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}, {"rule": 2, "type": "equivalent", "target": "563d9f0f77b3eee26c49723296ec9b79", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}, {"rule": 2, "type": "equivalent", "target": "a574173fa6e03fae58fa4d27b0e1c766", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}, {"rule": 2, "type": "equivalent", "target": "b014a39e8931c48ade8177ec91e5da8e", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}], "version": "15.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "a574173fa6e03fae58fa4d27b0e1c766", "kind": "equivalent", "version": "17.3", "label": "17.3", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=17.3#17.3-39227326b9aa5e8e", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES"}, {"db_id": "48e63346cf5f2bd983ad4aa906ad04c3", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=16.7#16.7-d552b4e09791f05c", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "563d9f0f77b3eee26c49723296ec9b79", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=14.16#14.16-c9b2392b6b20c044", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "b014a39e8931c48ade8177ec91e5da8e", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=13.19#13.19-e9956e400bc3e5e5", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "15.11-cf11062efb42b6e9", "cves": [], "html": "Use rename() not link()/unlink() to rename files (Nathan Bossart) §
The previous coding was intended to assure that the operation could not accidentally overwrite an existing file. However a failure could leave two links to the same file in existence, confusing subsequent operations and creating a risk of data corruption. In practice we do not use this functionality in places where the target filename could already exist, so it seems better to give up the no-overwrite guarantee to remove the multiple-link hazard.
", "text": "Use rename() not link()/unlink() to rename files (Nathan Bossart) § The previous coding was intended to assure that the operation could not accidentally overwrite an existing file. However a failure could leave two links to the same file in existence, confusing subsequent operations and creating a risk of data corruption. In practice we do not use this functionality in places where the target filename could already exist, so it seems better to give up the no-overwrite guarantee to remove the multiple-link hazard.", "title": "Use rename() not link()/unlink() to rename files", "commits": ["c1c9df315"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "1dd82d617d0eddc1d74458983f0bbc29efb1210df1bdecdc9cd4d2adfa6eb085", "section_path": ["Changes"], "commit_groups": [["1f95181b4", "26a79cbbd", "c1c9df315", "dac1ff309"]], "identity_text": "Use rename() not link()/unlink() to rename files (Nathan Bossart) The previous coding was intended to assure that the operation could not accidentally overwrite an existing file. However a failure could leave two links to the same file in existence, confusing subsequent operations and creating a risk of data corruption. In practice we do not use this functionality in places where the target filename could already exist, so it seems better to give up the no-overwrite guarantee to remove the multiple-link hazard.", "commit_aliases": ["1f95181b4", "26a79cbbd", "c1c9df315", "dac1ff309"], "source_commits": ["c1c9df315"], "source_entry_id": "15.11/changes/009", "db_id": "1cb6f6430785de32d8a1aea92346cfff", "patch_ids": ["647bc3d9af3144dd436efb4674b73822"], "statement_hash": "9f134bed941f02dcfd4adebe143f7523720bf49e3095a5cf7e7364d20b3df4d6", "relations": [{"rule": 2, "type": "equivalent", "target": "09f32c6598ce32f4f080055b3dcfe189", "evidence": {"same_day": true, "patch_ids": ["647bc3d9af3144dd436efb4674b73822"], "statement_hash": "9f134bed941f02dcfd4adebe143f7523720bf49e3095a5cf7e7364d20b3df4d6"}}, {"rule": 2, "type": "equivalent", "target": "39a7ea01a72b25c8dba644abeeb8c8a0", "evidence": {"same_day": true, "patch_ids": ["647bc3d9af3144dd436efb4674b73822"], "statement_hash": "9f134bed941f02dcfd4adebe143f7523720bf49e3095a5cf7e7364d20b3df4d6"}}], "version": "15.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "39a7ea01a72b25c8dba644abeeb8c8a0", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Use rename() not link()/unlink() to rename files", "evidence": {"same_day": true, "patch_ids": ["647bc3d9af3144dd436efb4674b73822"], "statement_hash": "9f134bed941f02dcfd4adebe143f7523720bf49e3095a5cf7e7364d20b3df4d6"}, "url": "/docs/compare/?release=14.16#14.16-01ae4817edc65b9e", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "09f32c6598ce32f4f080055b3dcfe189", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Use rename() not link()/unlink() to rename files", "evidence": {"same_day": true, "patch_ids": ["647bc3d9af3144dd436efb4674b73822"], "statement_hash": "9f134bed941f02dcfd4adebe143f7523720bf49e3095a5cf7e7364d20b3df4d6"}, "url": "/docs/compare/?release=13.19#13.19-b5dce7e171563407", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "15.11-5610643fcb43a3fe", "cves": [], "html": "Avoid possibly losing an update of pg_database.datfrozenxid when VACUUM runs concurrently with a REASSIGN OWNED that changes that database's owner (Kirill Reshke) §
Fix incorrect tg_updatedcols values passed to AFTER UPDATE triggers (Tom Lane) §
In some cases the tg_updatedcols bitmap could describe the set of columns updated by an earlier command in the same transaction, fooling the trigger into doing the wrong thing.
Also, prevent memory bloat caused by making too many copies of the tg_updatedcols bitmap.
Fix detach of a partition that has its own foreign-key constraint referencing a partitioned table (Amul Sul) §
\nIn common cases, foreign keys are defined on a partitioned table's top level; but if instead one is defined on a partition and references a partitioned table, and the referencing partition is detached, the relevant pg_constraint entries were updated incorrectly. This led to errors like “could not find ON INSERT check triggers of foreign key constraint”.
Fix mis-processing of to_timestamp's FF format codes (Tom Lane) §n
An integer format code immediately preceding FF would consume all available digits, leaving none for nFF.n
When deparsing an XMLTABLE() expression, ensure that XML namespace names are double-quoted when necessary (Dean Rasheed) §
Include the ldapscheme option in pg_hba_file_rules() output (Laurenz Albe) § §
Don't merge UNION operations if their column collations aren't consistent (Tom Lane) §
Previously we ignored collations when deciding if it's safe to merge UNION steps into a single N-way UNION operation. This was arguably valid before the introduction of nondeterministic collations, but it's not anymore, since the collation in use can affect the definition of uniqueness.
Fix missed expression processing for partition pruning steps (Tom Lane) §
\nThis oversight could lead to “unrecognized node type” errors, and perhaps other problems, in queries accessing partitioned tables.
", "text": "Fix missed expression processing for partition pruning steps (Tom Lane) § This oversight could lead to “unrecognized node type” errors, and perhaps other problems, in queries accessing partitioned tables.", "title": "Fix missed expression processing for partition pruning steps", "commits": ["724ebebb1"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "a9bc9758d35495830d7974de8d179efb1b595da467b2c473b303f16f4ea1ecf2", "section_path": ["Changes"], "commit_groups": [["0671a71e0", "45004f527", "5f725648f", "724ebebb1", "94c02bd33", "bf826ea06"]], "identity_text": "Fix missed expression processing for partition pruning steps (Tom Lane) This oversight could lead to unrecognized node type errors, and perhaps other problems, in queries accessing partitioned tables.", "commit_aliases": ["0671a71e0", "45004f527", "5f725648f", "724ebebb1", "94c02bd33", "bf826ea06"], "source_commits": ["724ebebb1"], "source_entry_id": "15.11/changes/017", "db_id": "f57a46c5163b3e5919b130be79f25ce5", "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b", "relations": [{"rule": 2, "type": "equivalent", "target": "54bec316da2ce059adbac0a0dbc8e9b6", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}, {"rule": 2, "type": "equivalent", "target": "64aaf6067e2f499a849b519969ab7e4b", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}, {"rule": 2, "type": "equivalent", "target": "92378b1193935bbe98423ded57c0f7a0", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}, {"rule": 2, "type": "equivalent", "target": "d03371888cc7150b3deafc4ad1b65c61", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}], "version": "15.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "54bec316da2ce059adbac0a0dbc8e9b6", "kind": "equivalent", "version": "17.3", "label": "17.3", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=17.3#17.3-13c2873d21939448", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES"}, {"db_id": "92378b1193935bbe98423ded57c0f7a0", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=16.7#16.7-7e432f19a9f91448", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "d03371888cc7150b3deafc4ad1b65c61", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=14.16#14.16-e76cb5deecce3a19", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "64aaf6067e2f499a849b519969ab7e4b", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=13.19#13.19-bb60e571dcd1116e", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "15.11-bd0deef2a9ca340c", "cves": [], "html": "Allow dshash tables to grow past 1GB (Matthias van de Meent) §
\nThis avoids errors like “invalid DSA memory alloc request size”. The case can occur for example in transactions that process several million tables.
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Since the result is only used for statistical purposes, the effects of this error were mostly cosmetic.
", "text": "Avoid possible integer overflow in bringetbitmap() (James Hunter, Evgeniy Gorbanyov) § Since the result is only used for statistical purposes, the effects of this error were mostly cosmetic.", "title": "Avoid possible integer overflow in bringetbitmap()", "commits": ["9e9f30139"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "cf8b7abd8f0af0d30a7de79d39332f5307d97d432109220c11f6833ab862e9c2", "section_path": ["Changes"], "commit_groups": [["332023e2d", "720e52984", "9e9f30139", "bfda7d8dd", "e027ee990", "e35ff6520"]], "identity_text": "Avoid possible integer overflow in bringetbitmap() (James Hunter, Evgeniy Gorbanyov) Since the result is only used for statistical purposes, the effects of this error were mostly cosmetic.", "commit_aliases": ["332023e2d", "720e52984", "9e9f30139", "bfda7d8dd", "e027ee990", "e35ff6520"], "source_commits": ["9e9f30139"], "source_entry_id": "15.11/changes/019", "db_id": "1fe83d7e0b7aa17a1f0f729b4a0c12f0", "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec", "relations": [{"rule": 2, "type": "equivalent", "target": "3382e0a80f8ca0563eb8cac40f2d851b", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}, {"rule": 2, "type": "equivalent", "target": "3c029255e641bec15f2ee6842ff93a77", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}, {"rule": 2, "type": "equivalent", "target": "4c0001cec4b021e935b71b3a37aa73fe", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}, {"rule": 2, "type": "equivalent", "target": "921aaf580d2aca9ce93450c0492e7423", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}], "version": "15.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3382e0a80f8ca0563eb8cac40f2d851b", "kind": "equivalent", "version": "17.3", "label": "17.3", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=17.3#17.3-a04d6e576513146f", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES"}, {"db_id": "921aaf580d2aca9ce93450c0492e7423", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=16.7#16.7-b97ed85237994136", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "4c0001cec4b021e935b71b3a37aa73fe", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=14.16#14.16-b175488683721a19", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "3c029255e641bec15f2ee6842ff93a77", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=13.19#13.19-65695708975bb439", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "15.11-9354a205b1e1b91e", "cves": [], "html": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages (Kyotaro Horiguchi, Alexander Kukushkin) §
\nThis would happen when the record's continuation is on a page that needs to be read from a different WAL source.
", "text": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages (Kyotaro Horiguchi, Alexander Kukushkin) § This would happen when the record's continuation is on a page that needs to be read from a different WAL source.", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "commits": ["26554facc"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "ae0b3825d463902fa7fb45bef3b5898c6c0208e6f5ad963a8564d8712b0f8f75", "section_path": ["Changes"], "commit_groups": [["0f0431e91", "26554facc", "2c2e1d4f4", "6cf1647d8", "a2d4f806c", "e6767c0ed"]], "identity_text": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages (Kyotaro Horiguchi, Alexander Kukushkin) This would happen when the record's continuation is on a page that needs to be read from a different WAL source.", "commit_aliases": ["0f0431e91", "26554facc", "2c2e1d4f4", "6cf1647d8", "a2d4f806c", "e6767c0ed"], "source_commits": ["26554facc"], "source_entry_id": "15.11/changes/020", "db_id": "67dafb471f2271a6320dfe0f290a0ce0", "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac", "relations": [{"rule": 2, "type": "equivalent", "target": "44f9cbeda7bc216ab467698d3eef592e", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}, {"rule": 2, "type": "equivalent", "target": "6659c5f8e0df6f1f962f8df015c68b49", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}, {"rule": 2, "type": "equivalent", "target": "76f611c374c0323f13dc341fb4721c32", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}, {"rule": 2, "type": "equivalent", "target": "fdc72a7668046cce65c8c39dedeb9249", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}], "version": "15.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "6659c5f8e0df6f1f962f8df015c68b49", "kind": "equivalent", "version": "17.3", "label": "17.3", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=17.3#17.3-e9e73d99c1cfb098", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES"}, {"db_id": "44f9cbeda7bc216ab467698d3eef592e", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=16.7#16.7-df1eee243145f866", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "76f611c374c0323f13dc341fb4721c32", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=14.16#14.16-b3b12c0bad0d0bc8", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "fdc72a7668046cce65c8c39dedeb9249", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=13.19#13.19-4169e9202c255d82", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "15.11-e74c5a37c2620a7b", "cves": [], "html": "Fix unintended promotion of FATAL errors to PANIC during early process startup (Noah Misch) §
\nThis fixes some unlikely cases that would result in “PANIC: proc_exit() called in child process”.
", "text": "Fix unintended promotion of FATAL errors to PANIC during early process startup (Noah Misch) § This fixes some unlikely cases that would result in “PANIC: proc_exit() called in child process”.", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "commits": ["839da50bd"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "6a8cee91afab5d79fd167851b0743322a0594ac52f223253a320a967c6b675d1", "section_path": ["Changes"], "commit_groups": [["315264d70", "4bd9de3f4", "6151769f6", "839da50bd", "8b9cbf492", "ac4a2b403"]], "identity_text": "Fix unintended promotion of FATAL errors to PANIC during early process startup (Noah Misch) This fixes some unlikely cases that would result in PANIC: proc_exit() called in child process.", "commit_aliases": ["315264d70", "4bd9de3f4", "6151769f6", "839da50bd", "8b9cbf492", "ac4a2b403"], "source_commits": ["839da50bd"], "source_entry_id": "15.11/changes/021", "db_id": "da9210bd08299df78861342f7e09c5d9", "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4", "relations": [{"rule": 2, "type": "equivalent", "target": "93eca6f7915b54f74b93e375c2513842", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}, {"rule": 2, "type": "equivalent", "target": "b14c042be747a937c3c74162b1b09321", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}, {"rule": 2, "type": "equivalent", "target": "f984d853bfadab0b79bd0501cc75f59c", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}, {"rule": 2, "type": "equivalent", "target": "fc52476d2fcf5579cadcfd273916020c", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}], "version": "15.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "93eca6f7915b54f74b93e375c2513842", "kind": "equivalent", "version": "17.3", "label": "17.3", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=17.3#17.3-96bd4a8fad85c533", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES"}, {"db_id": "b14c042be747a937c3c74162b1b09321", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=16.7#16.7-795da8c683c4ad88", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "f984d853bfadab0b79bd0501cc75f59c", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=14.16#14.16-a449a8f550e33341", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "fc52476d2fcf5579cadcfd273916020c", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=13.19#13.19-e7ab576b34d2feae", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "15.11-272efbabc61d005b", "cves": [], "html": "Fix cases where an operator family member operator or support procedure could become a dangling reference (Tom Lane) § §
\nIn some cases a data type could be dropped while references to its OID still remain in pg_amop or pg_amproc. While that caused no immediate issues, an attempt to drop the owning operator family would fail, and pg_dump would produce bogus output when dumping the operator family. This fix causes creation and modification of operator families/classes to add needed dependency entries so that dropping a data type will also drop any dependent operator family elements. That does not help vulnerable pre-existing operator families, though, so a band-aid has also been added to DROP OPERATOR FAMILY to prevent failure when dropping a family that has dangling members.
Fix multiple memory leaks in logical decoding output (Vignesh C, Masahiko Sawada, Boyu Yang) § § §
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low-probability crash on out-of-memory, due to missing check for failure return from malloc() (Karina Litskevich) §
Avoid integer overflow while testing wal_skip_threshold condition (Tom Lane) §
A transaction that created a very large relation could mistakenly decide to ensure durability by copying the relation into WAL instead of fsync'ing it, thereby negating the point of wal_skip_threshold. (This only matters when wal_level is set to minimal, else a WAL copy is required anyway.)
Fix unsafe order of operations during cache lookups (Noah Misch) §
\nThe only known consequence was a usually-harmless “you don't own a lock of type ExclusiveLock” warning during GRANT TABLESPACE.
Fix possible “failed to resolve name” failures when using JIT on older ARM platforms (Thomas Munro) §
\nThis could occur as a consequence of inconsistency about the default setting of -moutline-atomics between gcc and clang. At least Debian and Ubuntu are known to ship gcc and clang compilers that target armv8-a but differ on the use of outline atomics by default.
Fix handling of Windows junction points that are not of PostgreSQL origin (Thomas Munro) § §
\nPreviously, initdb would fail if the path to the data directory included junction points whose expansion isn't in “drive absolute” format, or whose expansion points to another junction point.
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Avoid assertion failure in rule deparsing if a set operation leaf query contains set operations (Man Zeng, Tom Lane) §
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Fix use of wrong version of pqsignal() in pgbench and psql (Fujii Masao, Tom Lane) §
This error could lead to misbehavior when using the -T option in pgbench or the \\watch command in psql, due to interrupted system calls not being resumed as expected.
Fix misexecution of some nested \\if constructs in pgbench (Michail Nikolaev) §
An \\if command appearing within a false (not-being-executed) \\if branch was incorrectly treated the same as \\elif.
In pgbench, fix possible misdisplay of progress messages during table initialization (Yushi Ogiwara, Tatsuo Ishii, Fujii Masao) § §
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Since pg_controldata will attempt to print the contents of pg_control even if the CRC check fails, it must take care not to misbehave for invalid field values. This patch fixes some issues triggered by invalid timestamps and apparently-negative WAL segment sizes.
Fix possible crash in pg_dump with identity sequences attached to tables that are extension members (Tom Lane) §
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Update configuration probes that determine the compiler switches needed to access ARM CRC instructions (Tom Lane) §
\nOn ARM platforms where the baseline CPU target lacks CRC instructions, we need to supply a -march switch to persuade the compiler to compile such instructions. Recent versions of gcc reject the value we were trying, leading to silently falling back to software CRC.
During configure, if a C23 compiler is detected, try asking for C17 (Thomas Munro) §
\nPostgreSQL versions before v16 will not compile under C23 rules. If the chosen compiler defaults to C23 or later, try adding a -std=gnu17 switch to change that. (If this won't work for your compiler, manually specify CFLAGS with a suitable switch.)
Update time zone data files to tzdata release 2025a for DST law changes in Paraguay, plus historical corrections for the Philippines (Tom Lane) §
", "text": "Update time zone data files to tzdata release 2025a for DST law changes in Paraguay, plus historical corrections for the Philippines (Tom Lane) §", "title": "Update time zone data files to tzdata release 2025a for DST law changes in Paraguay, plus historical corrections for the Philippines", "commits": ["48bc95d0d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.11/#id-1.11.6.14.5", "source_hash": "fbaa61e53c0becaa4b352b6c16ca418af2ed4b57ea9b1f35e1684f182a77edfe", "section_path": ["Changes"], "commit_groups": [["20b4819d0", "48bc95d0d", "60c513f8f", "6397819c8", "d62403c51", "e292ba333"]], "identity_text": "Update time zone data files to tzdata release 2025a for DST law changes in Paraguay, plus historical corrections for the Philippines (Tom Lane)", "commit_aliases": ["20b4819d0", "48bc95d0d", "60c513f8f", "6397819c8", "d62403c51", "e292ba333"], "source_commits": ["48bc95d0d"], "source_entry_id": "15.11/changes/048", "db_id": 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"migration_html": "A dump/restore is not required for those running 15.X.
\nHowever, if you are upgrading from a version earlier than 15.9, see Section E.11.
", "compatibility_count": 0, "label": "15.10", "status_label": "Supported", "eol": "2027-11-11", "age_days": 677, "support_days": 408, "entries": [{"id": "15.10-33aa2cbd75ac71f6", "cves": [], "html": "Repair ABI break for extensions that work with struct ResultRelInfo (Tom Lane) §
Last week's minor releases unintentionally broke binary compatibility with timescaledb and several other extensions. Restore the affected structure to its previous size, so that such extensions need not be rebuilt.
", "text": "Repair ABI break for extensions that work with struct ResultRelInfo (Tom Lane) § Last week's minor releases unintentionally broke binary compatibility with timescaledb and several other extensions. Restore the affected structure to its previous size, so that such extensions need not be rebuilt.", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "commits": ["17db248f3"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.10/#id-1.11.6.15.5", "source_hash": "bcf19b83532d0c50451837c6759bcb670d0999cd82c6546d7695e1a794265c86", "section_path": ["Changes"], "commit_groups": [["099e711b7", "17db248f3", "6bfacd368", "ee33d5847"]], "identity_text": "Repair ABI break for extensions that work with struct ResultRelInfo (Tom Lane) Last week's minor releases unintentionally broke binary compatibility with timescaledb and several other extensions. Restore the affected structure to its previous size, so that such extensions need not be rebuilt.", "commit_aliases": ["099e711b7", "17db248f3", "6bfacd368", "ee33d5847"], "source_commits": ["17db248f3"], "source_entry_id": "15.10/changes/001", "db_id": "168f409145dd973b0f389e0faa385826", "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848", "relations": [{"rule": 2, "type": "equivalent", "target": "69437a2d1a205badf04c74ff87163e3e", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}}, {"rule": 2, "type": "equivalent", "target": "a929df65b7c7dd604ebadc2316aa26ac", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}}, {"rule": 2, "type": "equivalent", "target": "de763be496358f3e7348203940378465", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}}], "version": "15.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "a929df65b7c7dd604ebadc2316aa26ac", "kind": "equivalent", "version": "17.2", "label": "17.2", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}, "url": "/docs/compare/?release=17.2#17.2-21d6cfdc332a4791", "source_url": "/docs/release/17.2/#RELEASE-17-2-CHANGES"}, {"db_id": "69437a2d1a205badf04c74ff87163e3e", "kind": "equivalent", "version": "16.6", "label": "16.6", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}, "url": "/docs/compare/?release=16.6#16.6-789af84344fc2dcd", "source_url": "/docs/release/16.6/#RELEASE-16-6-CHANGES"}, {"db_id": "de763be496358f3e7348203940378465", "kind": "equivalent", "version": "14.15", "label": "14.15", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}, "url": "/docs/compare/?release=14.15#14.15-993119bae55151c8", "source_url": "/docs/release/14.15/#id-1.11.6.15.5"}]}, {"id": "15.10-d3c8a67fc12652c8", "cves": ["CVE-2024-10978"], "html": "Restore functionality of ALTER {ROLE|DATABASE} SET role (Tom Lane, Noah Misch) §
The fix for CVE-2024-10978 accidentally caused settings for role to not be applied if they come from non-interactive sources, including previous ALTER {ROLE|DATABASE} commands and the PGOPTIONS environment variable.
Fix cases where a logical replication slot's restart_lsn could go backwards (Masahiko Sawada) §
Previously, restarting logical replication could sometimes cause the slot's restart point to be recomputed as an older value than had previously been advertised in pg_replication_slots. This is bad, since for example WAL files might have been removed on the basis of the later restart_lsn value, in which case replication would fail to restart.
Avoid deleting still-needed WAL files during pg_rewind (Polina Bungina, Alexander Kukushkin) §
\nPreviously, in unlucky cases, it was possible for pg_rewind to remove important WAL files from the rewound demoted primary. In particular this happens if those files have been marked for archival (i.e., their .ready files were created) but not yet archived. Then the newly promoted node no longer has such files because of them having been recycled, but likely they are needed for recovery in the demoted node. If pg_rewind removes them, recovery is not possible anymore.
Fix race conditions associated with dropping shared statistics entries (Kyotaro Horiguchi, Michael Paquier) §
\nThese bugs could lead to loss of statistics data, assertion failures, or “can only drop stats once” errors.
", "text": "Fix race conditions associated with dropping shared statistics entries (Kyotaro Horiguchi, Michael Paquier) § These bugs could lead to loss of statistics data, assertion failures, or “can only drop stats once” errors.", "title": "Fix race conditions associated with dropping shared statistics entries", "commits": ["154c5b42a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.10/#id-1.11.6.15.5", "source_hash": "64a7ab92ed4f2000b8b3361d87590c52589d1f462088a7249586846d69e12853", "section_path": ["Changes"], "commit_groups": [["154c5b42a", "1d6a03ea4", "818119afc", "afa20845d"]], "identity_text": "Fix race conditions associated with dropping shared statistics entries (Kyotaro Horiguchi, Michael Paquier) These bugs could lead to loss of statistics data, assertion failures, or can only drop stats once errors.", "commit_aliases": ["154c5b42a", "1d6a03ea4", "818119afc", "afa20845d"], "source_commits": ["154c5b42a"], "source_entry_id": "15.10/changes/005", "db_id": "0fa7615bea3ddf6bfd82ccaebff2bbd7", "patch_ids": ["0a64ef9d7674c6e0697749352fdaf9fb"], "statement_hash": "f25eb53c8f81ac8eb59f1923e0db374de706c0132aceb01e3c866db1023fb671", "relations": [{"rule": 2, "type": "equivalent", "target": "00720585f872ae63f854331bb55a962b", "evidence": {"same_day": true, "patch_ids": ["0a64ef9d7674c6e0697749352fdaf9fb"], "statement_hash": "f25eb53c8f81ac8eb59f1923e0db374de706c0132aceb01e3c866db1023fb671"}}, {"rule": 2, "type": "equivalent", "target": "1d18528def1b782960ba34e22414bb1f", "evidence": {"same_day": true, "patch_ids": ["0a64ef9d7674c6e0697749352fdaf9fb"], "statement_hash": "f25eb53c8f81ac8eb59f1923e0db374de706c0132aceb01e3c866db1023fb671"}}], "version": "15.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1d18528def1b782960ba34e22414bb1f", "kind": "equivalent", "version": "17.2", "label": "17.2", "title": "Fix race conditions associated with dropping shared statistics entries", "evidence": {"same_day": true, "patch_ids": ["0a64ef9d7674c6e0697749352fdaf9fb"], "statement_hash": "f25eb53c8f81ac8eb59f1923e0db374de706c0132aceb01e3c866db1023fb671"}, "url": "/docs/compare/?release=17.2#17.2-5bdf47a527bf9a4a", "source_url": "/docs/release/17.2/#RELEASE-17-2-CHANGES"}, {"db_id": "00720585f872ae63f854331bb55a962b", "kind": "equivalent", "version": "16.6", "label": "16.6", "title": "Fix race conditions associated with dropping shared statistics entries", "evidence": {"same_day": true, "patch_ids": ["0a64ef9d7674c6e0697749352fdaf9fb"], "statement_hash": "f25eb53c8f81ac8eb59f1923e0db374de706c0132aceb01e3c866db1023fb671"}, "url": "/docs/compare/?release=16.6#16.6-47157203c08b0395", "source_url": "/docs/release/16.6/#RELEASE-16-6-CHANGES"}]}, {"id": "15.10-b6a38e4d700ac60e", "cves": [], "html": "Count index scans in contrib/bloom indexes in the statistics views, such as the pg_stat_user_indexes.idx_scan counter (Masahiro Ikeda) §
Fix crash when checking to see if an index's opclass options have changed (Alexander Korotkov) §
\nSome forms of ALTER TABLE would fail if the table has an index with non-default operator class options.
Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing (Tom Lane) §
\nThis bug does not appear to have any visible consequences in non-assert builds.
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\nHowever, if you have ever detached a partition from a partitioned table that has a foreign-key reference to another partitioned table, and not dropped the former partition, then you may have catalog and/or data corruption to repair, as detailed in the fifth changelog entry below.
\nAlso, if you are upgrading from a version earlier than 15.7, see Section E.13.
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\nIf a CTE, subquery, sublink, security invoker view, or coercion projection in a query references a table with row-level security policies, we neglected to mark the resulting plan as potentially dependent on which role is executing it. This could lead to later query executions in the same session using the wrong plan, and then returning or hiding rows that should have been hidden or returned instead.
\nThe PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2024-10976)
", "text": "Ensure cached plans are marked as dependent on the calling role when RLS applies to a non-top-level table reference (Nathan Bossart) § If a CTE, subquery, sublink, security invoker view, or coercion projection in a query references a table with row-level security policies, we neglected to mark the resulting plan as potentially dependent on which role is executing it. This could lead to later query executions in the same session using the wrong plan, and then returning or hiding rows that should have been hidden or returned instead. The PostgreSQL Project thanks Wolfgang Walther for reporting this problem. 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\nAn error message received before encryption negotiation is completed might have been injected by a man-in-the-middle, rather than being real server output. Reporting it opens the door to various security hazards; for example, the message might spoof a query result that a careless user could mistake for correct output. The best answer seems to be to discard such data and rely only on libpq's own report of the connection failure.
\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2024-10977)
", "text": "Make libpq discard error messages received during SSL or GSS protocol negotiation (Jacob Champion) § An error message received before encryption negotiation is completed might have been injected by a man-in-the-middle, rather than being real server output. Reporting it opens the door to various security hazards; for example, the message might spoof a query result that a careless user could mistake for correct output. The best answer seems to be to discard such data and rely only on libpq's own report of the connection failure. The PostgreSQL Project thanks Jacob Champion for reporting this problem. 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The best answer seems to be to discard such data and rely only on libpq's own report of the connection failure. The PostgreSQL Project thanks Jacob Champion for reporting this problem. 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The SQL standard mandates that SET SESSION AUTHORIZATION have a side-effect of doing SET ROLE NONE. Our implementation of that was flawed, creating more interaction between the two settings than intended. Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else.
The PostgreSQL Project thanks Tom Lane for reporting this problem. (CVE-2024-10978)
", "text": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE (Tom Lane) § § The SQL standard mandates that SET SESSION AUTHORIZATION have a side-effect of doing SET ROLE NONE. Our implementation of that was flawed, creating more interaction between the two settings than intended. Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else. The PostgreSQL Project thanks Tom Lane for reporting this problem. (CVE-2024-10978)", "title": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE", "commits": ["109a32380", "a5d2e6205"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.9/#id-1.11.6.16.5", "source_hash": "101c1cdedc890fba23048fb954854ffbc8353a36de464d660359088cf520cd59", "section_path": ["Changes"], "commit_groups": [["00b94e8e2", "0edad8654", "109a32380", "73c9f91a1", "95f5a5237", "dc7378793", "f4f5d27d8"], ["2a68808e2", "4c9d96f74", "5a2fed911", "76123ded6", "a5d2e6205", "ae340d031", "cd82afdda"]], "identity_text": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE (Tom Lane) The SQL standard mandates that SET SESSION AUTHORIZATION have a side-effect of doing SET ROLE NONE. Our implementation of that was flawed, creating more interaction between the two settings than intended. Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else. The PostgreSQL Project thanks Tom Lane for reporting this problem. 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\nThe ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, “trusted” PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment.
The PostgreSQL Project thanks Coby Abrams for reporting this problem. (CVE-2024-10979)
", "text": "Prevent trusted PL/Perl code from changing environment variables (Andrew Dunstan, Noah Misch) § § § The ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, “trusted” PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment. The PostgreSQL Project thanks Coby Abrams for reporting this problem. (CVE-2024-10979)", "title": "Prevent trusted PL/Perl code from changing environment variables", "commits": ["16ed4f4d0", "c834b375a", "e530835c6"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.9/#id-1.11.6.16.5", "source_hash": "b1794d6de48b89825780e1319c1edcbcb42467e0c6fbeb21599ba3be3174af45", "section_path": ["Changes"], "commit_groups": [["0bd9560d9", "256e34653", "64df88700", "8d19f3fea", "9fc1c3a02", "c4252c9ef", "c834b375a"], ["168579e23"], ["16ed4f4d0", "1e457468f", "9f97c31c2", "c1fff7b1b", "c335264c9"], ["2ab12d860", "3ebcfa54d", "8fe3e697a", "b7e3a52a8", "d15ec27c9", "e428cd058", "e530835c6"], ["4cd4f3b97", "6bccd7b03", "88269df4d", "a34c33fd2", "b1e58defb", "f89bd92c9"]], "identity_text": "Prevent trusted PL/Perl code from changing environment variables (Andrew Dunstan, Noah Misch) The ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, trusted PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment. The PostgreSQL Project thanks Coby Abrams for reporting this problem. 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from changing environment variables", "evidence": {"same_day": true, "patch_ids": ["1af95cf54ee9908abe88fa7a3ffd5abe", "3ffa60097fb5097805f3eb797ff822d0", "4b5346a4224ce3743b7a7f567408da6f", "836669172595edcd77e373a3f0fbe3c5", "949df75f7944a4ee7452f9fa31e2ea86"], "statement_hash": "298ced72d35046c9614efe5d933839f66d4cb8e7b59aa240ad80fd1c39e896ec"}, "url": "/docs/compare/?release=13.17#13.17-458fde2a378dd869", "source_url": "/docs/release/13.17/#id-1.11.6.12.5"}, {"db_id": "2066e4f8fce90840b573e98b707266c8", "kind": "equivalent", "version": "12.21", "label": "12.21", "title": "Prevent trusted PL/Perl code from changing environment variables", "evidence": {"same_day": true, "patch_ids": ["1af95cf54ee9908abe88fa7a3ffd5abe", "3ffa60097fb5097805f3eb797ff822d0", "4b5346a4224ce3743b7a7f567408da6f", "836669172595edcd77e373a3f0fbe3c5", "949df75f7944a4ee7452f9fa31e2ea86"], "statement_hash": "298ced72d35046c9614efe5d933839f66d4cb8e7b59aa240ad80fd1c39e896ec"}, "url": "/docs/compare/?release=12.21#12.21-1e5606f9a5aeeb3a", "source_url": "/docs/release/12.21/#id-1.11.6.7.6"}]}, {"id": "15.9-87d199b0548b7397", "cves": [], "html": "Fix updates of catalog state for foreign-key constraints when attaching or detaching table partitions (Jehan-Guillaume de Rorthais, Tender Wang, Álvaro Herrera) § §
\nIf the referenced table is partitioned, then different catalog entries are needed for a referencing table that is stand-alone versus one that is a partition. ATTACH/DETACH PARTITION commands failed to perform this conversion correctly. In particular, after DETACH the now stand-alone table would be missing foreign-key enforcement triggers, which could result in the table later containing rows that fail the foreign-key constraint. A subsequent re-ATTACH could fail with surprising errors, too.
The way to fix this is to do ALTER TABLE DROP CONSTRAINT on the now stand-alone table for each faulty constraint, and then re-add the constraint. If re-adding the constraint fails, then some erroneous data has crept in. You will need to manually re-establish consistency between the referencing and referenced tables, then re-add the constraint.
This query can be used to identify broken constraints and construct the commands needed to recreate them:
\nSELECT conrelid::pg_catalog.regclass AS \"constrained table\",\n conname AS constraint,\n confrelid::pg_catalog.regclass AS \"references\",\n pg_catalog.format('ALTER TABLE %s DROP CONSTRAINT %I;',\n conrelid::pg_catalog.regclass, conname) AS \"drop\",\n pg_catalog.format('ALTER TABLE %s ADD CONSTRAINT %I %s;',\n conrelid::pg_catalog.regclass, conname,\n pg_catalog.pg_get_constraintdef(oid)) AS \"add\"\nFROM pg_catalog.pg_constraint c\nWHERE contype = 'f' AND conparentid = 0 AND\n (SELECT count(*) FROM pg_catalog.pg_constraint c2\n WHERE c2.conparentid = c.oid) <>\n ((SELECT count(*) FROM pg_catalog.pg_inherits i\n WHERE (i.inhparent = c.conrelid OR i.inhparent = c.confrelid) AND\n EXISTS (SELECT 1 FROM pg_catalog.pg_partitioned_table\n WHERE partrelid = i.inhparent)) +\n CASE WHEN pg_catalog.pg_partition_root(conrelid) = confrelid THEN\n (SELECT count(*) FROM pg_catalog.pg_partition_tree(confrelid)\n WHERE level = 1)\n ELSE 0 END);\n\nSince it is possible that one or more of the ADD CONSTRAINT steps will fail, you should save the query's output in a file and then attempt to perform each step.
Avoid possible crashes and “could not open relation” errors in queries on a partitioned table occurring concurrently with a DETACH CONCURRENTLY and immediate drop of a partition (Álvaro Herrera, Kuntal Gosh) § §
Disallow ALTER TABLE ATTACH PARTITION if the table to be attached has a foreign key referencing the partitioned table (Álvaro Herrera) § §
This arrangement is not supported, and other ways of creating it already fail.
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\nMis-processing of a recently committed transaction could lead to an assertion failure or a “could not access status of transaction” error.
", "text": "Fix race condition in committing a serializable transaction (Heikki Linnakangas) § Mis-processing of a recently committed transaction could lead to an assertion failure or a “could not access status of transaction” error.", "title": "Fix race condition in committing a serializable transaction", "commits": ["d97419b85"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.9/#id-1.11.6.16.5", "source_hash": "838cc49b58eeb64933f91ccee8d534e035c69a9d0c2415bc9bfb71c1f096917e", "section_path": ["Changes"], "commit_groups": [["1a43de5e0", "22665f210", "234f6d09e", "520ec2474", "8e607a5a4", "d97419b85", "e2ec3afeb"]], "identity_text": "Fix race condition in committing a serializable transaction (Heikki Linnakangas) Mis-processing of a recently committed transaction could lead to an assertion failure or a could not access status of transaction error.", "commit_aliases": ["1a43de5e0", "22665f210", "234f6d09e", "520ec2474", "8e607a5a4", "d97419b85", 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A concurrent PREPARE TRANSACTION could cause COMMIT PREPARED to not remove the on-disk two-phase state file for the completed transaction. There was no immediate ill effect, but a subsequent crash-and-recovery could fail with “could not access status of transaction”, requiring manual removal of the orphaned file to restore service.
Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) §
A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.
", "text": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) § A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.", "title": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL", "commits": ["a613edc5c"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.9/#id-1.11.6.16.5", "source_hash": "94bf47cbfce57b53ec3c7276af6bbf2976a739190eae59ffb984e620aee79a27", "section_path": ["Changes"], "commit_groups": [["09620ea09", "1532599a8", "2f33e68a5", "6530b869c", "911eda9f3", "a613edc5c", "afbd3dc7d"]], "identity_text": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.", "commit_aliases": ["09620ea09", "1532599a8", 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\nNormal row updates write a new version of the row to preserve rollback-ability of the transaction. However, certain system catalog updates are intentionally non-transactional and are done with an in-place update of the row. These patches fix race conditions that could cause the effects of an in-place update to be lost. As an example, it was possible to forget having set pg_class.relhasindex to true, preventing updates of the new index and thus causing index corruption.
Reset catalog caches at end of recovery (Noah Misch) §
\nThis prevents scenarios wherein an in-place catalog update could be lost due to using stale data from a catalog cache.
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Do not ignore a concurrent REINDEX CONCURRENTLY that is working on an index with predicates or expressions (Michail Nikolaev) §
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Fix “failed to find plan for subquery/CTE” errors in EXPLAIN (Richard Guo, Tom Lane) § §
This case arose while trying to print references to fields of a RECORD-type output of a subquery when the subquery has been optimized out of the plan altogether (which is possible at least in the case that it has a constant-false WHERE condition). Nothing remains in the plan to identify the original field names, so fall back to printing f for the NN'th record column. (That's actually the right thing anyway, if the record output arose from a ROW() constructor.)
Disallow a USING clause when altering the type of a generated column (Peter Eisentraut) §
A generated column already has an expression specifying the column contents, so including USING doesn't make sense.
Ignore not-yet-defined Portals in the pg_cursors view (Tom Lane) §
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On platforms where long is 32 bits (notably Windows), this coding would fail after Y2038. Most of the failures appear only cosmetic, but notably pg_ctl start would hang.
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Also, historical corrections for Mexico, Mongolia, and Portugal. Notably, Asia/Choibalsan is now an alias for Asia/Ulaanbaatar rather than being a separate zone, mainly because the differences between those zones were found to be based on untrustworthy data.
A dump/restore is not required for those running 15.X.
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The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2024-7348)
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(CVE-2024-7348)", "title": "Prevent unauthorized code execution during pg_dump", "commits": ["e81e53a0c"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "06eac9f10e9f031e9bdc91f1c8ed0507b50692f109ec62c120c9f46abce51578", "section_path": ["Changes"], "commit_groups": [["66e94448a", "6aba85a4b", "72ef1675e", "79c7a7e29", "bbc94abf6", "e81e53a0c", "fdf218f1d"]], "identity_text": "Prevent unauthorized code execution during pg_dump (Masahiko Sawada) An attacker able to create and drop non-temporary objects could inject SQL code that would be executed by a concurrent pg_dump session with the privileges of the role running pg_dump (which is often a superuser). The attack involves replacing a sequence or similar object with a view or foreign table that will execute malicious code. To prevent this, introduce a new server parameter restrict_nonsystem_relation_kind that can disable expansion of non-builtin views as well as access to foreign tables, and teach pg_dump to set it when available. Note that the attack is prevented only if both pg_dump and the server it is dumping from are new enough to have this fix. The PostgreSQL Project thanks Noah Misch for reporting this problem. 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After a disconnected standby server with an old running transaction reconnected to the primary, it was possible for VACUUM on the primary to get confused about which tuples are removable, resulting in an infinite loop.
Fix failure after attaching a table as a partition, if the table had previously had inheritance children (Álvaro Herrera) §
", "text": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children (Álvaro Herrera) §", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "commits": ["f74fac06c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "146463f8933513dcc6e7c97977c615c402253779d485c0ebdb6cd4643c36c419", "section_path": ["Changes"], "commit_groups": [["084814d88", "08b6a9ecf", "2b22543a4", "3dd637f3d", "ed7430975", "f74fac06c", "fe1d16f66"]], "identity_text": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children (Álvaro Herrera)", "commit_aliases": ["084814d88", "08b6a9ecf", "2b22543a4", "3dd637f3d", "ed7430975", "f74fac06c", "fe1d16f66"], "source_commits": ["f74fac06c"], "source_entry_id": "15.8/changes/003", "db_id": "b3cf42386a8c74e236e8bbb0697d28be", "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a", "relations": [{"rule": 2, "type": "equivalent", "target": "36f46d6303c1417bbde592ba867df825", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}, {"rule": 2, "type": "equivalent", "target": "b21d67c28f0ca5242009519e7b173b7b", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}, {"rule": 2, "type": "equivalent", "target": "ec94ee5a2790279a8a25b3dd3fa5d63a", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}, {"rule": 2, "type": "equivalent", "target": "fd19bcbfaacaf9a4cb511ac5de0af2bb", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ec94ee5a2790279a8a25b3dd3fa5d63a", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=16.4#16.4-d4eaac69a923e982", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "fd19bcbfaacaf9a4cb511ac5de0af2bb", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=14.13#14.13-d9ad424821eab142", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "b21d67c28f0ca5242009519e7b173b7b", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=13.16#13.16-ceaf20678b789860", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}, {"db_id": "36f46d6303c1417bbde592ba867df825", "kind": "equivalent", "version": "12.20", "label": "12.20", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=12.20#12.20-a5310dd3542d0be4", "source_url": "/docs/release/12.20/#id-1.11.6.8.6"}]}, {"id": "15.8-d28967b11040c2ea", "cves": [], "html": "Fix ALTER TABLE DETACH PARTITION for cases involving inconsistent index-based constraints (Álvaro Herrera, Tender Wang) § §
When a partitioned table has an index that is not associated with a constraint, but a partition has an equivalent index that is, then detaching the partition would misbehave, leaving the ex-partition's constraint with an incorrect coninhcount value. This would cause trouble during any further manipulations of that constraint.
Fix partition pruning setup during ALTER TABLE DETACH PARTITION CONCURRENTLY (Álvaro Herrera) § §
The executor assumed that no partition could be detached between planning and execution of a query on a partitioned table. This is no longer true since the introduction of DETACH PARTITION's CONCURRENTLY option, making it possible for query execution to fail transiently when that is used.
Correctly update a partitioned table's pg_class.reltuples field to zero after its last child partition is dropped (Noah Misch) §
The first ANALYZE on such a partitioned table must update relhassubclass as well, and that caused the reltuples update to be lost.
Fix handling of polymorphic output arguments for procedures (Tom Lane) § §
\nThe SQL CALL statement did not resolve the correct data types for such arguments, leading to errors such as “cannot display a value of type anyelement”, or even outright crashes. (But CALL in PL/pgSQL worked correctly.)
Fix behavior of stable functions called from a CALL statement's argument list (Tom Lane) §
If the CALL is within an atomic context (e.g. there's an outer transaction block), such functions were passed the wrong snapshot, causing them to see stale values of rows modified since the start of the outer transaction.
Detect integer overflow in money calculations (Joseph Koshakow) §
None of the arithmetic functions for the money type checked for overflow before, so they would silently give wrong answers for overflowing cases.
Fix over-aggressive clamping of the scale argument in round(numeric) and trunc(numeric) (Dean Rasheed) §
These functions clamped their scale argument to +/-2000, but there are valid use-cases for it to be larger; the functions returned incorrect results in such cases. Instead clamp to the actual allowed range of type numeric.
Fix result for pg_size_pretty() when applied to the smallest possible bigint value (Joseph Koshakow) §
Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions (Nathan Bossart) §
Make it return NULL in these cases instead of throwing an error.
", "text": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions (Nathan Bossart) § Make it return NULL in these cases instead of throwing an error.", "title": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions", "commits": ["857d280c6"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "e0fef488608d7a9d52b5ec7c1eb38281c41009891093223ab671f139c6cf0229", "section_path": ["Changes"], "commit_groups": [["09ec5d455", "2812059d3", "3cb2f13ac", "857d280c6", "c1664c8ee", "c8714230a"]], "identity_text": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions (Nathan Bossart) Make it return NULL in these cases instead of throwing an error.", "commit_aliases": ["09ec5d455", "2812059d3", "3cb2f13ac", "857d280c6", "c1664c8ee", "c8714230a"], "source_commits": ["857d280c6"], "source_entry_id": "15.8/changes/012", "db_id": "99df7dca3a5976e202a3d99168f62a0a", "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7", "relations": [{"rule": 2, "type": "equivalent", "target": "abd4f4e23e691afeec1782d405270108", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}}, {"rule": 2, "type": "equivalent", "target": "b5bb3d35aa02583899b8650cc24fb876", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}}, {"rule": 2, "type": "equivalent", "target": "e12eec6c5a738be6fef94606371c454d", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}}, {"rule": 2, "type": "equivalent", "target": "f6e89c2fffa8bfe1a8991b772ba61198", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}}], "version": "15.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f6e89c2fffa8bfe1a8991b772ba61198", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}, "url": "/docs/compare/?release=16.4#16.4-62c2924647a51e0c", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "abd4f4e23e691afeec1782d405270108", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}, "url": "/docs/compare/?release=14.13#14.13-7fade947214908d7", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "b5bb3d35aa02583899b8650cc24fb876", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}, "url": "/docs/compare/?release=13.16#13.16-3feda48efa54990a", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}, {"db_id": "e12eec6c5a738be6fef94606371c454d", "kind": "equivalent", "version": "12.20", "label": "12.20", "title": "Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions", "evidence": {"same_day": true, "patch_ids": ["9347da384122e06ef4905abb03c967b8"], "statement_hash": "66e9662381d668d9b94796775ed0fffdbff033bbf13696f16330f7664da2b3e7"}, "url": "/docs/compare/?release=12.20#12.20-40d68e8ee065f547", "source_url": "/docs/release/12.20/#id-1.11.6.8.6"}]}, {"id": "15.8-ce260502ce8291a2", "cves": [], "html": "Fix parsing of ignored operators in websearch_to_tsquery() (Tom Lane) §
Per the manual, punctuation in the input of websearch_to_tsquery() is ignored except for the special cases of dashes and quotes. However, parentheses and a few other characters appearing immediately before an or could cause or to be treated as a data word, rather than as an OR operator as expected.
Detect another integer overflow case while computing new array dimensions (Joseph Koshakow) §
\nReject applying array dimensions [-2147483648:2147483647] to an empty array. This is closely related to CVE-2023-5869, but appears harmless since the array still ends up empty.
Detect another case of a new catalog cache entry becoming stale while detoasting its fields (Noah Misch) §
\nAn in-place update occurring while we expand out-of-line fields in a catalog tuple could be missed, leading to a catalog cache entry that lacks the in-place change but is not known to be stale. This is only possible in the pg_database catalog, so the effects are narrow, but misbehavior is possible.
Correctly check updatability of view columns targeted by INSERT ... DEFAULT (Tom Lane) §
If such a column is non-updatable, we should give an error reporting that. But the check was missed and then later code would report an unhelpful error such as “attribute number N not found in view targetlist”.
Avoid reporting an unhelpful internal error for incorrect recursive queries (Tom Lane) §
\nRearrange the order of error checks so that we throw an on-point error when a WITH RECURSIVE query does not have a self-reference within the second arm of the UNION, but does have one self-reference in some other place such as ORDER BY.
Lock owned sequences during ALTER TABLE SET LOGGED|UNLOGGED (Noah Misch) §
These commands change the persistence of a table's owned sequences along with the table, but they failed to acquire lock on the sequences while doing so. This could result in losing the effects of concurrent nextval() calls.
Don't throw an error if a queued AFTER trigger no longer exists (Tom Lane) §
It's possible for a transaction to execute an operation that queues a deferred AFTER trigger for later execution, and then to drop the trigger before that happens. Formerly this led to weird errors such as “could not find trigger NNNN”. It seems better to silently do nothing if the trigger no longer exists at the time when it would have been executed.
Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped (Tom Lane) §
If an extension grants some column-level privileges on a table it creates, relevant catalog entries would remain behind after the extension is dropped. This was harmless until/unless the table's OID was re-used for another relation, when it could interfere with what pg_dump dumps for that relation.
", "text": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped (Tom Lane) § If an extension grants some column-level privileges on a table it creates, relevant catalog entries would remain behind after the extension is dropped. This was harmless until/unless the table's OID was re-used for another relation, when it could interfere with what pg_dump dumps for that relation.", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "commits": ["1f1eedd3f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "5f77e31abe102de0bb973f7baa58d4cbb94d8b80a1faf80e4394cd52107ccfa8", "section_path": ["Changes"], "commit_groups": [["0a39343ae", "198de7961", "1f1eedd3f", "76618097a", "9cf4beb9e", "f3f6a14ce"]], "identity_text": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped (Tom Lane) If an extension grants some column-level privileges on a table it creates, relevant catalog entries would remain behind after the extension is dropped. This was harmless until/unless the table's OID was re-used for another relation, when it could interfere with what pg_dump dumps for that relation.", "commit_aliases": ["0a39343ae", "198de7961", "1f1eedd3f", "76618097a", "9cf4beb9e", "f3f6a14ce"], "source_commits": ["1f1eedd3f"], "source_entry_id": "15.8/changes/020", "db_id": "43cb111fec07d666a86bb5dec1743212", "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc", "relations": [{"rule": 2, "type": "equivalent", "target": "3b780ebf464f9927f01b5c4d3ea76668", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}, {"rule": 2, "type": "equivalent", "target": "6470611c068664c3130f11eb3f99f02c", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}, {"rule": 2, "type": "equivalent", "target": "6cffd4781686867264b3fd95e7b5eb36", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}, {"rule": 2, "type": "equivalent", "target": "6d4174831ffae81637000b47a5310615", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3b780ebf464f9927f01b5c4d3ea76668", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=16.4#16.4-71b296d1b24a9a01", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "6470611c068664c3130f11eb3f99f02c", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=14.13#14.13-591c3c375c78489d", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "6d4174831ffae81637000b47a5310615", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=13.16#13.16-9149e5e4e63282af", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}, {"db_id": "6cffd4781686867264b3fd95e7b5eb36", "kind": "equivalent", "version": "12.20", "label": "12.20", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=12.20#12.20-ee69d178bec8044e", "source_url": "/docs/release/12.20/#id-1.11.6.8.6"}]}, {"id": "15.8-87db22530d0d58e0", "cves": [], "html": "Fix selection of an arbiter index for ON CONFLICT when the desired index has expressions or predicates (Tom Lane) §
If a query using ON CONFLICT accesses the target table through an updatable view, it could fail with “there is no unique or exclusion constraint matching the ON CONFLICT specification”, even though a matching index does exist.
Refuse to modify a temporary table of another session with ALTER TABLE (Tom Lane) §
Permissions checks normally would prevent this case from arising, but it is possible to reach it by altering a parent table whose child is another session's temporary table. Throw an error if we discover that such a child table belongs to another session.
", "text": "Refuse to modify a temporary table of another session with ALTER TABLE (Tom Lane) § Permissions checks normally would prevent this case from arising, but it is possible to reach it by altering a parent table whose child is another session's temporary table. Throw an error if we discover that such a child table belongs to another session.", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "commits": ["3c71cb497"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "4ec0163f55303b705cf104ffb8b48a40c6449f1ab234a378272acd897aba6ae5", "section_path": ["Changes"], "commit_groups": [["2dad0f433", "3c71cb497", "7c4ac652e", "7ed8ce8a4", "8397f161e", "b8efd756d"]], "identity_text": "Refuse to modify a temporary table of another session with ALTER TABLE (Tom Lane) Permissions checks normally would prevent this case from arising, but it is possible to reach it by altering a parent table whose child is another session's temporary table. Throw an error if we discover that such a child table belongs to another session.", "commit_aliases": ["2dad0f433", "3c71cb497", "7c4ac652e", "7ed8ce8a4", "8397f161e", "b8efd756d"], "source_commits": ["3c71cb497"], "source_entry_id": "15.8/changes/022", "db_id": "1983b6491c0deef6767c8ea6d7285996", "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef", "relations": [{"rule": 2, "type": "equivalent", "target": "41e81c1e144b80cd53840599e298e741", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}, {"rule": 2, "type": "equivalent", "target": "4399fe2876f4be8dfecaa987d5601c8f", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}, {"rule": 2, "type": "equivalent", "target": "51b850757ab02d17e5f509b67a427f25", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}, {"rule": 2, "type": "equivalent", "target": "8d9910ebff4ea90fbfe38b0c1910b701", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}], "version": "15.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "41e81c1e144b80cd53840599e298e741", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=16.4#16.4-4ce7f4a9264ab505", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "8d9910ebff4ea90fbfe38b0c1910b701", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=14.13#14.13-78fcd93f10ba02e4", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "51b850757ab02d17e5f509b67a427f25", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=13.16#13.16-3c6dc30d7ef89c30", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}, {"db_id": "4399fe2876f4be8dfecaa987d5601c8f", "kind": "equivalent", "version": "12.20", "label": "12.20", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=12.20#12.20-b0af490c299b8c0e", "source_url": "/docs/release/12.20/#id-1.11.6.8.6"}]}, {"id": "15.8-de37d644bb2eb70d", "cves": [], "html": "Fix handling of extended statistics on expressions in CREATE TABLE LIKE STATISTICS (Tom Lane) §
The CREATE command failed to adjust column references in statistics expressions to the possibly-different column numbering of the new table. This resulted in invalid statistics objects that would cause problems later. A typical scenario where renumbering columns is needed is when the source table contains some dropped columns.
Fix failure to recalculate sub-queries generated from MIN() or MAX() aggregates (Tom Lane) §
In some cases the aggregate result computed at one row of the outer query could be re-used for later rows when it should not be. This has only been seen to happen when the outer query uses DISTINCT that is implemented with hash aggregation, but other cases may exist.
Avoid crashing when a JIT-inlined backend function throws an error (Tom Lane) §
\nThe error state can include pointers into the dynamically loaded module holding the JIT-compiled code (for error location strings). In some code paths the module could get unloaded before the error report is processed, leading to SIGSEGV when the location strings are accessed.
", "text": "Avoid crashing when a JIT-inlined backend function throws an error (Tom Lane) § The error state can include pointers into the dynamically loaded module holding the JIT-compiled code (for error location strings). In some code paths the module could get unloaded before the error report is processed, leading to SIGSEGV when the location strings are accessed.", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "commits": ["5401e70e4"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "3c70cb8385e97d454f857ec13f5be2f84502da83efc15bf45d7f1999018b73f0", "section_path": ["Changes"], "commit_groups": [["07d66d3cc", "13abc1f66", "5401e70e4", "5d6c64d29", "86fac88ee", "dccda847b"]], "identity_text": "Avoid crashing when a JIT-inlined backend function throws an error (Tom Lane) The error state can include pointers into the dynamically loaded module holding the JIT-compiled code (for error location strings). In some code paths the module could get unloaded before the error report is processed, leading to SIGSEGV when the location strings are accessed.", "commit_aliases": ["07d66d3cc", "13abc1f66", "5401e70e4", "5d6c64d29", "86fac88ee", "dccda847b"], "source_commits": ["5401e70e4"], "source_entry_id": "15.8/changes/025", "db_id": "ae9906a0f31ecf76e1ea31a6f249d747", "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2", "relations": [{"rule": 2, "type": "equivalent", "target": "56a4362bbbb6ba3736c130cfa08a59fe", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}, {"rule": 2, "type": "equivalent", "target": "817329cfdffc2f7cc4012498db50e000", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}, {"rule": 2, "type": "equivalent", "target": "84f5d4026e74111c68b10db90271bba5", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}, {"rule": 2, "type": "equivalent", "target": "8cb79c4f08d8cb77f9647cdad2d34c19", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "84f5d4026e74111c68b10db90271bba5", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=16.4#16.4-cf25ec7b08f3326c", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "8cb79c4f08d8cb77f9647cdad2d34c19", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=14.13#14.13-effbe29b6a6536e6", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "56a4362bbbb6ba3736c130cfa08a59fe", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=13.16#13.16-1d7af98af834d1ea", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}, {"db_id": "817329cfdffc2f7cc4012498db50e000", "kind": "equivalent", "version": "12.20", "label": "12.20", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=12.20#12.20-2fcfb368f059849b", "source_url": "/docs/release/12.20/#id-1.11.6.8.6"}]}, {"id": "15.8-1e092af3f3653c6a", "cves": [], "html": "Cope with behavioral changes in libxml2 version 2.13.x (Erik Wienhold, Tom Lane) §
\nNotably, we now suppress “chunk is not well balanced” errors from libxml2, unless that is the only reported error. This is to make error reports consistent between 2.13.x and earlier libxml2 versions. In earlier versions, that message was almost always redundant or outright incorrect, so 2.13.x substantially reduced the number of cases in which it's reported.
", "text": "Cope with behavioral changes in libxml2 version 2.13.x (Erik Wienhold, Tom Lane) § Notably, we now suppress “chunk is not well balanced” errors from libxml2, unless that is the only reported error. This is to make error reports consistent between 2.13.x and earlier libxml2 versions. In earlier versions, that message was almost always redundant or outright incorrect, so 2.13.x substantially reduced the number of cases in which it's reported.", "title": "Cope with behavioral changes in libxml2 version 2.13.x", "commits": ["f68d6aabb"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "4408af4437f246c49f5b8dae64a58927815e523fcdb38d86b2463e4ae09afd96", "section_path": ["Changes"], "commit_groups": [["066e8ac6e"], ["475e1807c", "48132587d", "896cd266f", "a134baea7", "a9747be27", "f68d6aabb", "f85c91a18"], ["6082b3d5d"], ["e7192486d"]], "identity_text": "Cope with behavioral changes in libxml2 version 2.13.x (Erik Wienhold, Tom Lane) Notably, we now suppress chunk is not well balanced errors from libxml2, unless that is the only reported error. This is to make error reports consistent between 2.13.x and earlier libxml2 versions. 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\nWhen starting a standby's replay at a shutdown checkpoint WAL record, transactions that had been prepared but not yet committed on the primary are correctly understood as being still in progress. But subtransactions of a prepared transaction (created by savepoints or PL/pgSQL exception blocks) were not accounted for and would be treated as aborted. That led to inconsistency if the prepared transaction was later committed.
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\nIn some cases a replication slot's start point within the WAL stream could be set to a point within a transaction, leading to assertion failures or incorrect decoding results.
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", "text": "Avoid “can only drop stats once” error during replication slot creation and drop (Floris Van Nee) §", "title": "Avoid “can only drop stats once” error during replication slot creation and drop", "commits": ["bfc44da24"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "6ed5d8cea77f68b485802ec86019a350440bb22b099d07cbf14cd2750502f9c9", "section_path": ["Changes"], "commit_groups": [["bfc44da24", "cd312adc5", "f2c922ff2"]], "identity_text": "Avoid can only drop stats once error during replication slot creation and drop (Floris Van Nee)", "commit_aliases": ["bfc44da24", "cd312adc5", "f2c922ff2"], "source_commits": ["bfc44da24"], "source_entry_id": "15.8/changes/029", "db_id": "5e0d61c7192faadfbb750283bcdf69f3", "patch_ids": ["7f12d67a6e813b3e8236f21abdce8c51"], "statement_hash": "8428dafd9ce801f1db71bec4a74d0b5c7f44ac530855784c79ddc7fb6a030237", "relations": [{"rule": 2, "type": "equivalent", "target": "975d228b9a861c9bbf50c1c6042cd55e", "evidence": {"same_day": true, "patch_ids": ["7f12d67a6e813b3e8236f21abdce8c51"], "statement_hash": "8428dafd9ce801f1db71bec4a74d0b5c7f44ac530855784c79ddc7fb6a030237"}}], "version": "15.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "975d228b9a861c9bbf50c1c6042cd55e", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Avoid “can only drop stats once” error during replication slot creation and drop", "evidence": {"same_day": true, "patch_ids": ["7f12d67a6e813b3e8236f21abdce8c51"], "statement_hash": "8428dafd9ce801f1db71bec4a74d0b5c7f44ac530855784c79ddc7fb6a030237"}, "url": "/docs/compare/?release=16.4#16.4-cf12fa7b8d77da65", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}]}, {"id": "15.8-9fa9e13b608d3aec", "cves": [], "html": "Fix resource leakage in logical replication WAL sender (Hou Zhijie) §
\nThe walsender process leaked memory when publishing changes to a partitioned table whose partitions have row types physically different from the partitioned table's.
", "text": "Fix resource leakage in logical replication WAL sender (Hou Zhijie) § The walsender process leaked memory when publishing changes to a partitioned table whose partitions have row types physically different from the partitioned table's.", "title": "Fix resource leakage in logical replication WAL sender", "commits": ["76fda6140"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "b64a63d0a2d74b7c0fe269b96a3b13955ad4fafdcbbf8f6e6abbc3ba3c33625a", "section_path": ["Changes"], "commit_groups": [["3e53492aa", "76fda6140", "b8f953d8d"]], "identity_text": "Fix resource leakage in logical replication WAL sender (Hou Zhijie) The walsender process leaked memory when publishing changes to a partitioned table whose partitions have row types physically different from the partitioned table's.", "commit_aliases": ["3e53492aa", "76fda6140", "b8f953d8d"], "source_commits": ["76fda6140"], "source_entry_id": "15.8/changes/030", "db_id": "6026b8660de6faee252b95f97a67fac3", "patch_ids": ["174592acac0209e470a9a866b329b56d"], "statement_hash": "c6fc100c66929a244a4f4e2c73ea9f8abc82830f3a4395dac3647b497f94824a", "relations": [{"rule": 2, "type": "equivalent", "target": "52edccfa9472b6f83fde581990535cfa", "evidence": {"same_day": true, "patch_ids": ["174592acac0209e470a9a866b329b56d"], "statement_hash": "c6fc100c66929a244a4f4e2c73ea9f8abc82830f3a4395dac3647b497f94824a"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "52edccfa9472b6f83fde581990535cfa", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix resource leakage in logical replication WAL sender", "evidence": {"same_day": true, "patch_ids": ["174592acac0209e470a9a866b329b56d"], "statement_hash": "c6fc100c66929a244a4f4e2c73ea9f8abc82830f3a4395dac3647b497f94824a"}, "url": "/docs/compare/?release=16.4#16.4-519479a2766a1ca5", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}]}, {"id": "15.8-c4fb293a60cbac8a", "cves": [], "html": "Avoid memory leakage after servicing a notify or sinval interrupt (Tom Lane) §
\nThe processing functions for these events could switch the current memory context to TopMemoryContext, resulting in session-lifespan leakage of any data allocated before the incorrect setting gets replaced. There were observable leaks associated with (at least) encoding conversion of incoming queries and parameters attached to Bind messages.
", "text": "Avoid memory leakage after servicing a notify or sinval interrupt (Tom Lane) § The processing functions for these events could switch the current memory context to TopMemoryContext, resulting in session-lifespan leakage of any data allocated before the incorrect setting gets replaced. There were observable leaks associated with (at least) encoding conversion of incoming queries and parameters attached to Bind messages.", "title": "Avoid memory leakage after servicing a notify or sinval interrupt", "commits": ["4df767cf9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "9828c153deb3f3b767c3603883aecf06fd74108d6788d253927f8f427eb15204", "section_path": ["Changes"], "commit_groups": [["1608902fc", "31f8d620b", "4df767cf9", "54a7b21b3", "5f86cd70d", "8565fb6fb"]], "identity_text": "Avoid memory leakage after servicing a notify or sinval interrupt (Tom Lane) The processing functions for these events could switch the current memory context to TopMemoryContext, resulting in session-lifespan leakage of any data allocated before the incorrect setting gets replaced. There were observable leaks associated with (at least) encoding conversion of incoming queries and parameters attached to Bind messages.", "commit_aliases": ["1608902fc", "31f8d620b", "4df767cf9", "54a7b21b3", "5f86cd70d", "8565fb6fb"], "source_commits": ["4df767cf9"], "source_entry_id": "15.8/changes/031", "db_id": "6da29c6f62742014a2e29d1835a92337", "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71", "relations": [{"rule": 2, "type": "equivalent", "target": "0d82cb37c9a335dee35c3994766f2182", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}}, {"rule": 2, "type": "equivalent", "target": "608955e3fac97af439211180d82e2a9c", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}}, {"rule": 2, "type": "equivalent", "target": "b3d22673cb20177c186729255869c9ea", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}}, {"rule": 2, "type": "equivalent", "target": "f8a6d2763491f62e2962b747215a53f7", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0d82cb37c9a335dee35c3994766f2182", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Avoid memory leakage after servicing a notify or sinval interrupt", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}, "url": "/docs/compare/?release=16.4#16.4-ed1321b1f9f5d847", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "b3d22673cb20177c186729255869c9ea", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Avoid memory leakage after servicing a notify or sinval interrupt", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}, "url": "/docs/compare/?release=14.13#14.13-df1e494ebdab65c3", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "f8a6d2763491f62e2962b747215a53f7", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Avoid memory leakage after servicing a notify or sinval interrupt", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}, "url": "/docs/compare/?release=13.16#13.16-c5b9f0e6f10164e5", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}, {"db_id": "608955e3fac97af439211180d82e2a9c", "kind": "equivalent", "version": "12.20", "label": "12.20", "title": "Avoid memory leakage after servicing a notify or sinval interrupt", "evidence": {"same_day": true, "patch_ids": ["e4b4c6857b69435f7041aa9717bc32ec"], "statement_hash": "246286e429b9f02767e1bf510975230828149e3a9b45b4541c80efbf7402be71"}, "url": "/docs/compare/?release=12.20#12.20-bcb2f288e96fb567", "source_url": "/docs/release/12.20/#id-1.11.6.8.6"}]}, {"id": "15.8-80b4cf26e14c6ca7", "cves": [], "html": "Prevent leakage of reference counts for the shared memory block used for statistics (Anthonin Bonnefoy) §
\nA new backend process attaching to the statistics shared memory incremented its reference count, but failed to decrement the count when exiting. After 232 sessions had been created, the reference count would overflow to zero, causing failures in all subsequent backend process starts.
", "text": "Prevent leakage of reference counts for the shared memory block used for statistics (Anthonin Bonnefoy) § A new backend process attaching to the statistics shared memory incremented its reference count, but failed to decrement the count when exiting. After 232 sessions had been created, the reference count would overflow to zero, causing failures in all subsequent backend process starts.", "title": "Prevent leakage of reference counts for the shared memory block used for statistics", "commits": ["eb144dfca"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "06d3a8d89df121f547945afd5d560ab835a7cd84e673354d5a2b62e2a8316452", "section_path": ["Changes"], "commit_groups": [["6f61d0e7e", "7467939ea", "eb144dfca"]], "identity_text": "Prevent leakage of reference counts for the shared memory block used for statistics (Anthonin Bonnefoy) A new backend process attaching to the statistics shared memory incremented its reference count, but failed to decrement the count when exiting. After 232 sessions had been created, the reference count would overflow to zero, causing failures in all subsequent backend process starts.", "commit_aliases": ["6f61d0e7e", "7467939ea", "eb144dfca"], "source_commits": ["eb144dfca"], "source_entry_id": "15.8/changes/032", "db_id": "8423e2938fb99fcef1b006ce50aede09", "patch_ids": ["b79b6febfb938692c055d777e4c46871"], "statement_hash": "77d92237da927a4d5cc1793712466f835a2d4f479beb6a1852a73a776c144d70", "relations": [{"rule": 2, "type": "equivalent", "target": "48cdee92411cc49e438e65d03377ca6e", "evidence": {"same_day": true, "patch_ids": ["b79b6febfb938692c055d777e4c46871"], "statement_hash": "77d92237da927a4d5cc1793712466f835a2d4f479beb6a1852a73a776c144d70"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "48cdee92411cc49e438e65d03377ca6e", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Prevent leakage of reference counts for the shared memory block used for statistics", "evidence": {"same_day": true, "patch_ids": ["b79b6febfb938692c055d777e4c46871"], "statement_hash": "77d92237da927a4d5cc1793712466f835a2d4f479beb6a1852a73a776c144d70"}, "url": "/docs/compare/?release=16.4#16.4-7651d5c59103c778", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}]}, {"id": "15.8-b6b0b7f6f7d0a8de", "cves": [], "html": "Prevent deadlocks and assertion failures during truncation of the multixact SLRU log (Heikki Linnakangas) §
\nA process trying to delete SLRU segments could deadlock with the checkpointer process.
", "text": "Prevent deadlocks and assertion failures during truncation of the multixact SLRU log (Heikki Linnakangas) § A process trying to delete SLRU segments could deadlock with the checkpointer process.", "title": "Prevent deadlocks and assertion failures during truncation of the multixact SLRU log", "commits": ["c809a2b2d"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "8fcee5e59f1fe7e3ed4033fe962c6fb3670259d5727ed51a7a01344e480b9a17", "section_path": ["Changes"], "commit_groups": [["4c8e00ae9", "b1ffe3ff0", "c809a2b2d", "e7cbe5a85"]], "identity_text": "Prevent deadlocks and assertion failures during truncation of the multixact SLRU log (Heikki Linnakangas) A process trying to delete SLRU segments could deadlock with the checkpointer process.", "commit_aliases": ["4c8e00ae9", "b1ffe3ff0", "c809a2b2d", "e7cbe5a85"], "source_commits": ["c809a2b2d"], "source_entry_id": "15.8/changes/033", "db_id": "282d739b649051dd97bb9ecee1e10290", "patch_ids": ["584dbfb3f02d0227e45d3a9e9594ed32"], "statement_hash": "5705bd6fa004c0c0f497d57bb9a81504fdf85ce36f4292b6bf1a1325a7440b28", "relations": [{"rule": 2, "type": "equivalent", "target": "c7a02a751b0a96aaf92740d4a1c93e12", "evidence": {"same_day": true, "patch_ids": ["584dbfb3f02d0227e45d3a9e9594ed32"], "statement_hash": "5705bd6fa004c0c0f497d57bb9a81504fdf85ce36f4292b6bf1a1325a7440b28"}}, {"rule": 2, "type": "equivalent", "target": "f65af754adc39c0eb08c79f3656e5cbd", "evidence": {"same_day": true, "patch_ids": ["584dbfb3f02d0227e45d3a9e9594ed32"], "statement_hash": "5705bd6fa004c0c0f497d57bb9a81504fdf85ce36f4292b6bf1a1325a7440b28"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7a02a751b0a96aaf92740d4a1c93e12", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Prevent deadlocks and assertion failures during truncation of the multixact SLRU log", "evidence": {"same_day": true, "patch_ids": ["584dbfb3f02d0227e45d3a9e9594ed32"], "statement_hash": "5705bd6fa004c0c0f497d57bb9a81504fdf85ce36f4292b6bf1a1325a7440b28"}, "url": "/docs/compare/?release=16.4#16.4-4ee92f82f43c7ff0", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "f65af754adc39c0eb08c79f3656e5cbd", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Prevent deadlocks and assertion failures during truncation of the multixact SLRU log", "evidence": {"same_day": true, "patch_ids": ["584dbfb3f02d0227e45d3a9e9594ed32"], "statement_hash": "5705bd6fa004c0c0f497d57bb9a81504fdf85ce36f4292b6bf1a1325a7440b28"}, "url": "/docs/compare/?release=14.13#14.13-ca2da7c9c97717ea", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}]}, {"id": "15.8-17a0e388359911d9", "cves": [], "html": "Avoid possibly missing end-of-input events on Windows sockets (Thomas Munro) §
\nWindows reports an FD_CLOSE event only once after the remote end of the connection disconnects. With unlucky timing, we could miss that report and wait indefinitely, or at least until a timeout elapsed, expecting more input.
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\nIt was possible to walk off the end of the input buffer by a few bytes when the last bytes comprise an incomplete multi-byte character. While usually harmless, in principle this could cause a crash.
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Don't corrupt PL/Python's TD dictionary during a recursive trigger call (Tom Lane) §
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If -l was specified together with selective-restore options such as -n or -N, dependent TOC entries such as comments would be omitted from the listing, even when an actual restore would have selected them.
Avoid “cursor can only scan forward” error in contrib/postgres_fdw (Etsuro Fujita) §
This error could occur if the remote server is v15 or later and a foreign table is mapped to a non-trivial remote view.
", "text": "Avoid “cursor can only scan forward” error in contrib/postgres_fdw (Etsuro Fujita) § This error could occur if the remote server is v15 or later and a foreign table is mapped to a non-trivial remote view.", "title": "Avoid “cursor can only scan forward” error in contrib/postgres_fdw", "commits": ["f39f3e0fb"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "b2095f5f1e2ca10c1f0d61243ef49e955af6951e5d49b523262b6ea4cee7e66d", "section_path": ["Changes"], "commit_groups": [["5c571a34d", "935fe79ea", "d97f2ee50", "f39f3e0fb"]], "identity_text": "Avoid cursor can only scan forward error in contrib/postgres_fdw (Etsuro Fujita) This error could occur if the remote server is v15 or later and a foreign table is mapped to a non-trivial remote view.", "commit_aliases": ["5c571a34d", "935fe79ea", "d97f2ee50", "f39f3e0fb"], "source_commits": ["f39f3e0fb"], "source_entry_id": "15.8/changes/045", "db_id": "2e340ccca458849e00c151bae3b9cc0f", "patch_ids": ["8f0ed9791db81e5395bc16080131387a"], "statement_hash": "2d8c13a1d6b713fdbeed220429ae4f9a7876f7fd9e3fd738eb9c7db5eeac279b", "relations": [{"rule": 2, "type": "equivalent", "target": "8ccfc05d28f0d94894656667beaa981c", "evidence": {"same_day": true, "patch_ids": ["8f0ed9791db81e5395bc16080131387a"], "statement_hash": "2d8c13a1d6b713fdbeed220429ae4f9a7876f7fd9e3fd738eb9c7db5eeac279b"}}], "version": "15.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "8ccfc05d28f0d94894656667beaa981c", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Avoid “cursor can only scan forward” error in contrib/postgres_fdw", "evidence": {"same_day": true, "patch_ids": ["8f0ed9791db81e5395bc16080131387a"], "statement_hash": "2d8c13a1d6b713fdbeed220429ae4f9a7876f7fd9e3fd738eb9c7db5eeac279b"}, "url": "/docs/compare/?release=16.4#16.4-b84bae1d9dd32ec5", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}]}, {"id": "15.8-5c0f7b844ad6593a", "cves": [], "html": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server (Japin Li) §
The remote server might not implement this clause, or might interpret it differently than we would locally, so don't risk attempting remote execution.
", "text": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server (Japin Li) § The remote server might not implement this clause, or might interpret it differently than we would locally, so don't risk attempting remote execution.", "title": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server", "commits": ["b33c141cc"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "c46ca3569196de44303d6bc267cea16eaa372ead73d9d9c10bbed637ffa945dc", "section_path": ["Changes"], "commit_groups": [["269e2c391", "2b461efc5", "8405d5a37", "8cfbac149", "b33c141cc"]], "identity_text": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server (Japin Li) The remote server might not implement this clause, or might interpret it differently than we would locally, so don't risk attempting remote execution.", "commit_aliases": ["269e2c391", "2b461efc5", "8405d5a37", "8cfbac149", "b33c141cc"], "source_commits": ["b33c141cc"], "source_entry_id": "15.8/changes/046", "db_id": "c53e7e53d97ef233311ec34321fc6373", "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3", "relations": [{"rule": 2, "type": "equivalent", "target": "459b25750cf24b7abdb4054a6a1f8343", "evidence": {"same_day": true, "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3"}}, {"rule": 2, "type": "equivalent", "target": "4d677e935bf1190a9e3d0be744515d0e", "evidence": {"same_day": true, "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3"}}, {"rule": 2, "type": "equivalent", "target": "578e3fc179af8baa9c81cecfb8dee4be", "evidence": {"same_day": true, "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3"}}], "version": "15.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "4d677e935bf1190a9e3d0be744515d0e", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server", "evidence": {"same_day": true, "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3"}, "url": "/docs/compare/?release=16.4#16.4-5f85238ce4d37124", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "578e3fc179af8baa9c81cecfb8dee4be", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server", "evidence": {"same_day": true, "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3"}, "url": "/docs/compare/?release=14.13#14.13-715139f8ab3536b3", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "459b25750cf24b7abdb4054a6a1f8343", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "In contrib/postgres_fdw, do not send FETCH FIRST WITH TIES clauses to the remote server", "evidence": {"same_day": true, "patch_ids": ["af8cadd93c2e4e82af7a0a2a842e2994"], "statement_hash": "6ed56b7ba04fbd7adb333f9567fe5298d4c143e3b0df22004014da56081df4c3"}, "url": "/docs/compare/?release=13.16#13.16-777bd2caa21a3409", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}]}, {"id": "15.8-7fa723089ac8b4c3", "cves": [], "html": "Avoid clashing with system-provided <regex.h> headers (Thomas Munro) §
This fixes a compilation failure on macOS version 15 and up.
", "text": "Avoid clashing with system-providedFix otherwise-harmless assertion failure in Memoize cost estimation (David Rowley) §
", "text": "Fix otherwise-harmless assertion failure in Memoize cost estimation (David Rowley) §", "title": "Fix otherwise-harmless assertion failure in Memoize cost estimation", "commits": ["27c6242a0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.8/#id-1.11.6.17.5", "source_hash": "d8b677ec7d5d1abde66ab4c88d4c62b7a8f426d7fac18d1695ae5ef29c53b03d", "section_path": ["Changes"], "commit_groups": [["27c6242a0", "6143c9c03", "aa901a37c", "dae9f16aa"]], "identity_text": "Fix otherwise-harmless assertion failure in Memoize cost estimation (David Rowley)", "commit_aliases": ["27c6242a0", "6143c9c03", "aa901a37c", "dae9f16aa"], "source_commits": ["27c6242a0"], "source_entry_id": "15.8/changes/048", "db_id": "b41f00e16ce18a50cab6e1a44d3257a2", "patch_ids": ["ade48b4f0aa81affd8f791862fcafbb6"], "statement_hash": "288f5eca9b41b17c866ebb012dab2eb5c045b6fc831d67505eaed1f274c5f94c", "relations": [{"rule": 2, "type": "equivalent", "target": "25751ad4e71de0a52ec523f98a6bc9e2", "evidence": {"same_day": true, "patch_ids": ["ade48b4f0aa81affd8f791862fcafbb6"], "statement_hash": "288f5eca9b41b17c866ebb012dab2eb5c045b6fc831d67505eaed1f274c5f94c"}}, {"rule": 2, "type": "equivalent", "target": "77079c980d8b56fa9f5bab0086844c3a", "evidence": {"same_day": true, "patch_ids": ["ade48b4f0aa81affd8f791862fcafbb6"], "statement_hash": "288f5eca9b41b17c866ebb012dab2eb5c045b6fc831d67505eaed1f274c5f94c"}}], "version": "15.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "25751ad4e71de0a52ec523f98a6bc9e2", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix otherwise-harmless assertion failure in Memoize cost estimation", "evidence": {"same_day": true, "patch_ids": ["ade48b4f0aa81affd8f791862fcafbb6"], "statement_hash": "288f5eca9b41b17c866ebb012dab2eb5c045b6fc831d67505eaed1f274c5f94c"}, "url": "/docs/compare/?release=16.4#16.4-6655116f1af42a64", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "77079c980d8b56fa9f5bab0086844c3a", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Fix otherwise-harmless assertion failure in Memoize cost estimation", "evidence": {"same_day": true, "patch_ids": ["ade48b4f0aa81affd8f791862fcafbb6"], "statement_hash": "288f5eca9b41b17c866ebb012dab2eb5c045b6fc831d67505eaed1f274c5f94c"}, "url": "/docs/compare/?release=14.13#14.13-54f10c000d4de9ae", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}]}, {"id": "15.8-43056ffb4b53d8d6", "cves": [], "html": "Fix otherwise-harmless assertion failures in REINDEX CONCURRENTLY applied to an SP-GiST index (Tom Lane) §
A dump/restore is not required for those running 15.X.
\nHowever, a security vulnerability was found in the system views pg_stats_ext and pg_stats_ext_exprs, potentially allowing authenticated database users to see data they shouldn't. If this is of concern in your installation, follow the steps in the first changelog entry below to rectify it.
Also, if you are upgrading from a version earlier than 15.6, see Section E.14.
", "compatibility_count": 0, "label": "15.7", "status_label": "Supported", "eol": "2027-11-11", "age_days": 873, "support_days": 408, "entries": [{"id": "15.7-5c75daeed485b1fc", "cves": ["CVE-2024-4317"], "html": "Restrict visibility of pg_stats_ext and pg_stats_ext_exprs entries to the table owner (Nathan Bossart) §
These views failed to hide statistics for expressions that involve columns the accessing user does not have permission to read. View columns such as most_common_vals might expose security-relevant data. The potential interactions here are not fully clear, so in the interest of erring on the side of safety, make rows in these views visible only to the owner of the associated table.
The PostgreSQL Project thanks Lukas Fittl for reporting this problem. (CVE-2024-4317)
\nBy itself, this fix will only fix the behavior in newly initdb'd database clusters. If you wish to apply this change in an existing cluster, you will need to do the following:
\nFind the SQL script fix-CVE-2024-4317.sql in the share directory of the PostgreSQL installation (typically located someplace like /usr/share/postgresql/). Be sure to use the script appropriate to your PostgreSQL major version. If you do not see this file, either your version is not vulnerable (only v14–v16 are affected) or your minor version is too old to have the fix.
In each database of the cluster, run the fix-CVE-2024-4317.sql script as superuser. In psql this would look like
\\i /usr/share/postgresql/fix-CVE-2024-4317.sql\n\n
(adjust the file path as appropriate). Any error probably indicates that you've used the wrong script version. It will not hurt to run the script more than once.
\nDo not forget to include the template0 and template1 databases, or the vulnerability will still exist in databases you create later. To fix template0, you'll need to temporarily make it accept connections. Do that with
ALTER DATABASE template0 WITH ALLOW_CONNECTIONS true;\n\n
and then after fixing template0, undo it with
ALTER DATABASE template0 WITH ALLOW_CONNECTIONS false;\n\n
Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type (Tom Lane) §
Such cases would either fail with surprising complaints about mismatched datatypes, or insert unexpected coercions that could lead to odd results.
", "text": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type (Tom Lane) § Such cases would either fail with surprising complaints about mismatched datatypes, or insert unexpected coercions that could lead to odd results.", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "commits": ["7c61d2342"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "4bd7ce533021abccca2d4572d0e65154436d7ca816dc1f08d309f47b8a04f181", "section_path": ["Changes"], "commit_groups": [["0200398dd", "3621ffd9f", "52898c63e", "7c61d2342", "82c87af7a", "b4a71cf65"]], "identity_text": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type (Tom Lane) Such cases would either fail with surprising complaints about mismatched datatypes, or insert unexpected coercions that could lead to odd results.", "commit_aliases": ["0200398dd", "3621ffd9f", "52898c63e", "7c61d2342", "82c87af7a", "b4a71cf65"], "source_commits": ["7c61d2342"], "source_entry_id": "15.7/changes/002", "db_id": "9572f8110ded2a8d7803e002d11d40b0", "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e", "relations": [{"rule": 2, "type": "equivalent", "target": "2e9ef20c90089aeec3983b9a721fdae0", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}, {"rule": 2, "type": "equivalent", "target": "6caa1c3d45d32ad75defa51d23487ce7", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}, {"rule": 2, "type": "equivalent", "target": "785ca9c7fc24a36b5111b0700e489e7a", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}, {"rule": 2, "type": "equivalent", "target": "e47bd53c9d8fac9564005be446d56944", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}], "version": "15.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2e9ef20c90089aeec3983b9a721fdae0", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=16.3#16.3-544aa5578d1043f9", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "6caa1c3d45d32ad75defa51d23487ce7", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=14.12#14.12-a3754239b6836d9c", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "e47bd53c9d8fac9564005be446d56944", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=13.15#13.15-6e8813730e378dc5", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "785ca9c7fc24a36b5111b0700e489e7a", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=12.19#12.19-ec2b64a5851f8b06", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-da6e4af9965c94b4", "cves": [], "html": "Require SELECT privilege on the target table for MERGE with a DO NOTHING clause (Álvaro Herrera) §
SELECT privilege would be required in all practical cases anyway, but require it even if the query reads no columns of the target table. This avoids an edge case in which MERGE would require no privileges whatever, which seems undesirable even when it's a do-nothing command.
Fix handling of self-modified tuples in MERGE (Dean Rasheed) §
Throw an error if a target row joins to more than one source row, as required by the SQL standard. (The previous coding could silently ignore this condition if a concurrent update was involved.) Also, throw a non-misleading error if a target row is already updated by a later command in the current transaction, thanks to a BEFORE trigger or a volatile function used in the query.
Fix incorrect pruning of NULL partition when a table is partitioned on a boolean column and the query has a boolean IS NOT clause (David Rowley) §
A NULL value satisfies a clause such as boolcol IS NOT FALSE
Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema (Tom Lane) §
Moving a regular table to a new schema causes any sequences owned by the table to be moved to that schema too (along with indexes and constraints). This was overlooked for foreign tables, however.
", "text": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema (Tom Lane) § Moving a regular table to a new schema causes any sequences owned by the table to be moved to that schema too (along with indexes and constraints). This was overlooked for foreign tables, however.", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "commits": ["b48eda4e5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "3f5ebbd087ac3c5e4d6558d75e5e153f555f5bd5defadf1971984e5a4c732b4c", "section_path": ["Changes"], "commit_groups": [["66bbad581", "7445f0928", "97de2a159", "a8b740868", "b48eda4e5", "fad3b5b5a"]], "identity_text": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema (Tom Lane) Moving a regular table to a new schema causes any sequences owned by the table to be moved to that schema too (along with indexes and constraints). This was overlooked for foreign tables, however.", "commit_aliases": ["66bbad581", "7445f0928", "97de2a159", "a8b740868", "b48eda4e5", "fad3b5b5a"], "source_commits": ["b48eda4e5"], "source_entry_id": "15.7/changes/006", "db_id": "769cae3d725b2bea33af3671538742b9", "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0", "relations": [{"rule": 2, "type": "equivalent", "target": "48b7ba94dd733c6edc7495dbc1492c04", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}, {"rule": 2, "type": "equivalent", "target": "4be5419bd6b46edb6f7272280c3e507a", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}, {"rule": 2, "type": "equivalent", "target": "dba8e3cd638b09b5c3afb8d28ba19920", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}, {"rule": 2, "type": "equivalent", "target": "f590d69638ed5977544b4db5bcbfa763", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}], "version": "15.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f590d69638ed5977544b4db5bcbfa763", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=16.3#16.3-730b9768abe0a66f", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "4be5419bd6b46edb6f7272280c3e507a", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=14.12#14.12-193dd46beec02441", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "dba8e3cd638b09b5c3afb8d28ba19920", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=13.15#13.15-c22ecbe930e84c47", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "48b7ba94dd733c6edc7495dbc1492c04", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=12.19#12.19-baa828f55b63c4ce", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-1674e6a71aeb43ec", "cves": [], "html": "Make ALTER TABLE ... ADD COLUMN create identity/serial sequences with the same persistence as their owning tables (Peter Eisentraut) §
CREATE UNLOGGED TABLE will make any owned sequences be unlogged too. ALTER TABLE missed that consideration, so that an added identity column would have a logged sequence, which seems pointless.
Improve ALTER TABLE ... ALTER COLUMN TYPE's error message when there is a dependent function or publication (Tom Lane) § §
In CREATE DATABASE, recognize strategy keywords case-insensitively for consistency with other options (Tomas Vondra) §
Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan (Melanie Plageman) §
Previously, heap pages that contain no visible tuples were not counted; but it seems more consistent to count all pages returned by the bitmap index scan.
", "text": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan (Melanie Plageman) § Previously, heap pages that contain no visible tuples were not counted; but it seems more consistent to count all pages returned by the bitmap index scan.", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "commits": ["d3d95f583"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "47158d872ab02a846b996a88b857a449da2acac652fbf9715fe10d74f0245d3f", "section_path": ["Changes"], "commit_groups": [["0960ae196", "1f4eb7342", "262757b73", "992189a3e", "d3d95f583", "f3e4581ac"]], "identity_text": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan (Melanie Plageman) Previously, heap pages that contain no visible tuples were not counted; but it seems more consistent to count all pages returned by the bitmap index scan.", "commit_aliases": ["0960ae196", "1f4eb7342", "262757b73", "992189a3e", "d3d95f583", "f3e4581ac"], "source_commits": ["d3d95f583"], "source_entry_id": "15.7/changes/010", "db_id": "5d8b1aeb779ca0047404aae006b5aff8", "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365", "relations": [{"rule": 2, "type": "equivalent", "target": "1e131317b75bec3af2685bf463b52c95", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}, {"rule": 2, "type": "equivalent", "target": "55b97633d2336c4182f273c534c4403c", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}, {"rule": 2, "type": "equivalent", "target": "a6781eb095c0575e3926a5f509629f7e", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}, {"rule": 2, "type": "equivalent", "target": "e29ae7de221052c247dd975fc7572378", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}], "version": "15.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1e131317b75bec3af2685bf463b52c95", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=16.3#16.3-f9fbf726e413d526", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "55b97633d2336c4182f273c534c4403c", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=14.12#14.12-9ac1a0bebef1e748", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "e29ae7de221052c247dd975fc7572378", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=13.15#13.15-b577df214260669a", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "a6781eb095c0575e3926a5f509629f7e", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=12.19#12.19-3d95a4f1e9bda0ed", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-fb99ca4d0b9d1006", "cves": [], "html": "Fix EXPLAIN's output for subplans in MERGE (Dean Rasheed) §
EXPLAIN would sometimes fail to properly display subplan Params referencing variables in other parts of the plan tree.
Avoid deadlock during removal of orphaned temporary tables (Mikhail Zhilin) §
\nIf the session that creates a temporary table crashes without removing the table, autovacuum will eventually try to remove the orphaned table. However, an incoming session that's been assigned the same temporary namespace will do that too. If a temporary table has a dependency (such as an owned sequence) then a deadlock could result between these two cleanup attempts.
", "text": "Avoid deadlock during removal of orphaned temporary tables (Mikhail Zhilin) § If the session that creates a temporary table crashes without removing the table, autovacuum will eventually try to remove the orphaned table. However, an incoming session that's been assigned the same temporary namespace will do that too. If a temporary table has a dependency (such as an owned sequence) then a deadlock could result between these two cleanup attempts.", "title": "Avoid deadlock during removal of orphaned temporary tables", "commits": ["4fb56a734"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "94e899f10612045ff334b6a23cfbe797926b152e32c7c2053ad694ae1c94d519", "section_path": ["Changes"], "commit_groups": [["4afc2c219", "4fb56a734", "6faca9ae2", "ca392df8d", "cbfbb14bd", "f5d9212e5"]], "identity_text": "Avoid deadlock during removal of orphaned temporary tables (Mikhail Zhilin) If the session that creates a temporary table crashes without removing the table, autovacuum will eventually try to remove the orphaned table. However, an incoming session that's been assigned the same temporary namespace will do that too. If a temporary table has a dependency (such as an owned sequence) then a deadlock could result between these two cleanup attempts.", "commit_aliases": ["4afc2c219", "4fb56a734", "6faca9ae2", "ca392df8d", "cbfbb14bd", "f5d9212e5"], "source_commits": ["4fb56a734"], "source_entry_id": "15.7/changes/012", "db_id": "fe708a1ceaa35d707899a2b3639c12ba", "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a", "relations": [{"rule": 2, "type": "equivalent", "target": "10db092e696e45f9d81a413968b84f80", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}, {"rule": 2, "type": "equivalent", "target": "964b5974ae34a252057bb68172077f3b", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}, {"rule": 2, "type": "equivalent", "target": "a0720dc32a33a298317c6bc4c4d54695", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}, {"rule": 2, "type": "equivalent", "target": "a51b29547fb0a3c6e4c7e03971f30b2a", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}], "version": "15.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "a51b29547fb0a3c6e4c7e03971f30b2a", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=16.3#16.3-5468b62e569aaa42", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "a0720dc32a33a298317c6bc4c4d54695", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=14.12#14.12-dd3d8b7400eb4629", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "10db092e696e45f9d81a413968b84f80", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=13.15#13.15-876d2219530d8093", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "964b5974ae34a252057bb68172077f3b", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=12.19#12.19-df96b0e59c03c393", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-3d6adc0a11d543c2", "cves": [], "html": "Avoid race condition while examining per-relation frozen-XID values (Noah Misch) §
\nVACUUM's computation of per-database frozen-XID values from per-relation values could get confused by a concurrent update of those values by another VACUUM.
Fix buffer usage reporting for parallel vacuuming (Anthonin Bonnefoy) §
\nBuffer accesses performed by parallel workers were not getting counted in the statistics reported in VERBOSE mode.
Disallow converting a table to a view within an outer SQL command that is using that table (Tom Lane) §
\nThis avoids possible crashes.
", "text": "Disallow converting a table to a view within an outer SQL command that is using that table (Tom Lane) § This avoids possible crashes.", "title": "Disallow converting a table to a view within an outer SQL command that is using that table", "commits": ["bf379b555"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "e3aee572ede05be508315c6923f6d7b52a454a067096195684264746e450560c", "section_path": ["Changes"], "commit_groups": [["1ee22d1e8", "51189f98a", "56d30fb10", "bf379b555"]], "identity_text": "Disallow converting a table to a view within an outer SQL command that is using that table (Tom Lane) This avoids possible crashes.", "commit_aliases": ["1ee22d1e8", "51189f98a", "56d30fb10", "bf379b555"], "source_commits": ["bf379b555"], "source_entry_id": "15.7/changes/015", "db_id": "a93eefe6ff67a6064cdc7a0cc15a9961", "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391", "relations": [{"rule": 2, "type": "equivalent", "target": "6b49dac890f665fe1ea6667c5bea5aa8", "evidence": {"same_day": true, "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391"}}, {"rule": 2, "type": "equivalent", "target": "8af18255133e20e702c292d4a08aceb6", "evidence": {"same_day": true, "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391"}}, {"rule": 2, "type": "equivalent", "target": "98a2f15bd92d2bcd2a3a9147a7871fdb", "evidence": {"same_day": true, "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391"}}], "version": "15.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "98a2f15bd92d2bcd2a3a9147a7871fdb", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Disallow converting a table to a view within an outer SQL command that is using that table", "evidence": {"same_day": true, "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391"}, "url": "/docs/compare/?release=14.12#14.12-24919b70cdbcd55c", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "8af18255133e20e702c292d4a08aceb6", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Disallow converting a table to a view within an outer SQL command that is using that table", "evidence": {"same_day": true, "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391"}, "url": "/docs/compare/?release=13.15#13.15-b0b5f6bccc9acc9c", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "6b49dac890f665fe1ea6667c5bea5aa8", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Disallow converting a table to a view within an outer SQL command that is using that table", "evidence": {"same_day": true, "patch_ids": ["1927dffeaf6a13f58425a8f4ac03504e"], "statement_hash": "f70462682298f994593b1a46a3e560df6441eb215e899f5fe11cfe56baa9e391"}, "url": "/docs/compare/?release=12.19#12.19-d57efc2030cebeb4", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-22e8e29f4c12ad32", "cves": [], "html": "Ensure that join conditions generated from equivalence classes are applied at the correct plan level (Tom Lane) §
\nIn versions before PostgreSQL 16, it was possible for generated conditions to be evaluated below outer joins when they should be evaluated above (after) the outer join, leading to incorrect query results. All versions have a similar hazard when considering joins to UNION ALL trees that have constant outputs for the join column in some SELECT arms.
Prevent potentially-incorrect optimization of some window functions (David Rowley) §
\nDisable “run condition” optimization of ntile() and count() with non-constant arguments. This avoids possible misbehavior with sub-selects, typically leading to errors like “WindowFunc not found in subplan target lists”.
Avoid unnecessary use of moving-aggregate mode with a non-moving window frame (Vallimaharajan G) §
\nWhen a plain aggregate is used as a window function, and the window frame start is specified as UNBOUNDED PRECEDING, the frame's head cannot move so we do not need to use the special (and more expensive) moving-aggregate mode. This optimization was intended all along, but due to a coding error it never triggered.
Avoid use of already-freed data while planning partition-wise joins under GEQO (Tom Lane) §
\nThis would typically end in a crash or unexpected error message.
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\nIn production builds this error frequently didn't cause any problems, as the freed data would most likely not get overwritten before it was used.
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Be more careful with RECORD-returning functions in FROM (Tom Lane) § §
The output columns of such a function call must be defined by an AS clause that specifies the column names and data types. If the actual function output value doesn't match that, an error is supposed to be thrown at runtime. However, some code paths would examine the actual value prematurely, and potentially issue strange errors or suffer assertion failures if it doesn't match expectations.
Fix confusion about the return rowtype of SQL-language procedures (Tom Lane) §
\nA procedure implemented in SQL language that returns a single composite-type column would cause an assertion failure or core dump.
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In the case where the source timestamp is before the origin timestamp and their difference is already an exact multiple of the stride, the code incorrectly subtracted the stride anyway. Also, detect some integer-overflow cases that would have produced incorrect results.
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Some cases that should cause an out-of-range error produced an incorrect result instead.
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If the relation referenced by the argument is dropped concurrently, the function's intention is to return NULL, but sometimes it failed instead.
", "text": "Avoid race condition in pg_get_expr() (Tom Lane) § If the relation referenced by the argument is dropped concurrently, the function's intention is to return NULL, but sometimes it failed instead.", "title": "Avoid race condition in pg_get_expr()", "commits": ["26c89d105"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "3d6df4b94f2225a1a380841ff072cb7841dfd590ac92a63821552dc8e48c81ca", "section_path": ["Changes"], "commit_groups": [["26c89d105", "4eb261165", "ce571434a", "ceb224b62", "d21690edb", "f38903d1e"]], "identity_text": "Avoid race condition in pg_get_expr() (Tom Lane) If the relation referenced by the argument is dropped concurrently, the function's intention is to return NULL, but sometimes it failed instead.", "commit_aliases": ["26c89d105", "4eb261165", "ce571434a", "ceb224b62", "d21690edb", "f38903d1e"], "source_commits": ["26c89d105"], "source_entry_id": "15.7/changes/027", "db_id": "b47222c52e1a95cbfda045c2adf1e9d6", "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093", "relations": [{"rule": 2, "type": "equivalent", "target": "01829a0cebff87a2b9877a415f955076", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}, {"rule": 2, "type": "equivalent", "target": "1d7446d118275bf962c1aa3c48308a97", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}, {"rule": 2, "type": "equivalent", "target": "29630007fa96642d778f6eafaab40d43", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}, {"rule": 2, "type": "equivalent", "target": "b57f7c4322343dc2c18818a94bb79ae4", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}], "version": "15.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b57f7c4322343dc2c18818a94bb79ae4", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=16.3#16.3-3a03ba9e5ef84abb", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "29630007fa96642d778f6eafaab40d43", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=14.12#14.12-3c0a35e3885a4a42", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "1d7446d118275bf962c1aa3c48308a97", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=13.15#13.15-9333974e583b3430", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "01829a0cebff87a2b9877a415f955076", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=12.19#12.19-66e4399a5efbde4f", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-d3c32b77cd723569", "cves": [], "html": "Fix detection of old transaction IDs in XID status functions (Karina Litskevich) §
\nTransaction IDs more than 231 transactions in the past could be misidentified as recent, leading to misbehavior of pg_xact_status() or txid_status().
Ensure that a table's freespace map won't return a page that's past the end of the table (Ronan Dunklau) §
\nBecause the freespace map isn't WAL-logged, this was possible in edge cases involving an OS crash, a replica promote, or a PITR restore. The result would be a “could not read block” error.
", "text": "Ensure that a table's freespace map won't return a page that's past the end of the table (Ronan Dunklau) § Because the freespace map isn't WAL-logged, this was possible in edge cases involving an OS crash, a replica promote, or a PITR restore. The result would be a “could not read block” error.", "title": "Ensure that a table's freespace map won't return a page that's past the end of the table", "commits": ["7c490a18b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "94394ec14e1934e14d4caba00adbbfae06505ec93cc3ae2eee65da0fc8c1c3b6", "section_path": ["Changes"], "commit_groups": [["08059fc04", "4e62ba21a", "7c490a18b", "935829743"]], "identity_text": "Ensure that a table's freespace map won't return a page that's past the end of the table (Ronan Dunklau) Because the freespace map isn't WAL-logged, this was possible in edge cases involving an OS crash, a replica promote, or a PITR restore. The result would be a could not read block error.", "commit_aliases": ["08059fc04", "4e62ba21a", "7c490a18b", "935829743"], "source_commits": ["7c490a18b"], "source_entry_id": "15.7/changes/029", "db_id": "2a18d5a4ea97e0008f801cf9ec5590fd", "patch_ids": ["7a12243c9ab1bc8c1cf036737173a4ea"], "statement_hash": "3a36d267f75151d1edf256e9ecb51b94aeb3f84c157b3d89aa05bf1315b43f44", "relations": [{"rule": 2, "type": "equivalent", "target": "26a2ca6303e6bec26d3473c170ea09a5", "evidence": {"same_day": true, "patch_ids": ["7a12243c9ab1bc8c1cf036737173a4ea"], "statement_hash": "3a36d267f75151d1edf256e9ecb51b94aeb3f84c157b3d89aa05bf1315b43f44"}}, {"rule": 2, "type": "equivalent", "target": "a2716472ea4cf7b0c1e262387761b35c", "evidence": {"same_day": true, "patch_ids": ["7a12243c9ab1bc8c1cf036737173a4ea"], "statement_hash": "3a36d267f75151d1edf256e9ecb51b94aeb3f84c157b3d89aa05bf1315b43f44"}}], "version": "15.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "a2716472ea4cf7b0c1e262387761b35c", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Ensure that a table's freespace map won't return a page that's past the end of the table", "evidence": {"same_day": true, "patch_ids": ["7a12243c9ab1bc8c1cf036737173a4ea"], "statement_hash": "3a36d267f75151d1edf256e9ecb51b94aeb3f84c157b3d89aa05bf1315b43f44"}, "url": "/docs/compare/?release=16.3#16.3-7a59e76501ffa7be", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "26a2ca6303e6bec26d3473c170ea09a5", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Ensure that a table's freespace map won't return a page that's past the end of the table", "evidence": {"same_day": true, "patch_ids": ["7a12243c9ab1bc8c1cf036737173a4ea"], "statement_hash": "3a36d267f75151d1edf256e9ecb51b94aeb3f84c157b3d89aa05bf1315b43f44"}, "url": "/docs/compare/?release=14.12#14.12-ac62795d7416ea57", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}]}, {"id": "15.7-ff3957818582ae16", "cves": [], "html": "Fix file descriptor leakage when an error is thrown while waiting in WaitEventSetWait (Etsuro Fujita) §
Avoid corrupting exception stack if an FDW implements async append but doesn't configure any wait conditions for the Append plan node to wait for (Alexander Pyhalov) §
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\nPreviously this was just an assertion check, but promote it into a regular runtime error. This will provide a more on-point error message when reindexing a user-defined index expression that attempts to access its own table.
", "text": "Throw an error if an index is accessed while it is being reindexed (Tom Lane) § Previously this was just an assertion check, but promote it into a regular runtime error. This will provide a more on-point error message when reindexing a user-defined index expression that attempts to access its own table.", "title": "Throw an error if an index is accessed while it is being reindexed", "commits": ["940489b46"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "1fe02fb6070e2904b277b7232d39e387d1d7a43324cece385b358e6ad8face21", "section_path": ["Changes"], "commit_groups": [["09f09884c", "43cca9de9", "8c785d354", "940489b46", "c0b4dad38", "f5a465f1a"]], "identity_text": "Throw an error if an index is accessed while it is being reindexed (Tom Lane) Previously this was just an assertion check, but promote it into a regular runtime error. This will provide a more on-point error message when reindexing a user-defined index expression that attempts to access its own table.", "commit_aliases": ["09f09884c", "43cca9de9", "8c785d354", "940489b46", "c0b4dad38", "f5a465f1a"], "source_commits": ["940489b46"], "source_entry_id": "15.7/changes/032", "db_id": "86a674fe90c8887224b1f43a41d7ac57", "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb", "relations": [{"rule": 2, "type": "equivalent", "target": "2906070307670fde5b3b107c009eb158", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}}, {"rule": 2, "type": "equivalent", "target": "2f57619b35a3040957bcd649a116ab81", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}}, {"rule": 2, "type": "equivalent", "target": "916e11cb6e1bf25bf03f2f333573a664", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}}, {"rule": 2, "type": "equivalent", "target": "98f29fd5e6bef9b92f2166dedef0e4b0", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}}], "version": "15.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "2906070307670fde5b3b107c009eb158", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Throw an error if an index is accessed while it is being reindexed", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}, "url": "/docs/compare/?release=16.3#16.3-136e6040676dc366", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "98f29fd5e6bef9b92f2166dedef0e4b0", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Throw an error if an index is accessed while it is being reindexed", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}, "url": "/docs/compare/?release=14.12#14.12-504b067c1a2bf361", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "2f57619b35a3040957bcd649a116ab81", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Throw an error if an index is accessed while it is being reindexed", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}, "url": "/docs/compare/?release=13.15#13.15-9ca69df4161fa52b", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "916e11cb6e1bf25bf03f2f333573a664", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Throw an error if an index is accessed while it is being reindexed", "evidence": {"same_day": true, "patch_ids": ["85900f485cd6f606f49b308461389e75"], "statement_hash": "06c717e04e37e5c634d78425048ad38e3c1a96ca514bde644a8c5eea946aeddb"}, "url": "/docs/compare/?release=12.19#12.19-155a5cdb89a2a522", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-e5485c4bc801d3c4", "cves": [], "html": "Ensure that index-only scans on name columns return a fully-padded value (David Rowley) §
The value physically stored in the index is truncated, and previously a pointer to that value was returned to callers. This provoked complaints when testing under valgrind. In theory it could result in crashes, though none have been reported.
", "text": "Ensure that index-only scans on name columns return a fully-padded value (David Rowley) § The value physically stored in the index is truncated, and previously a pointer to that value was returned to callers. This provoked complaints when testing under valgrind. In theory it could result in crashes, though none have been reported.", "title": "Ensure that index-only scans on name columns return a fully-padded value", "commits": ["52f21f928"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.7/#id-1.11.6.18.5", "source_hash": "db59ab48a9acf315abdb4cf0a9589cfcbf6e848398829ef0532a194f636a7739", "section_path": ["Changes"], "commit_groups": [["0a34bcd0c", "52f21f928", "68d358545", "a63224be4", "e3f9dcabd", "e6b0efc65"]], "identity_text": "Ensure that index-only scans on name columns return a fully-padded value (David Rowley) The value physically stored in the index is truncated, and previously a pointer to that value was returned to callers. This provoked complaints when testing under valgrind. In theory it could result in crashes, though none have been reported.", "commit_aliases": ["0a34bcd0c", "52f21f928", "68d358545", "a63224be4", "e3f9dcabd", "e6b0efc65"], "source_commits": ["52f21f928"], "source_entry_id": "15.7/changes/033", "db_id": "660ca930472531ba9febe0a70aaf024f", "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1", "relations": [{"rule": 2, "type": "equivalent", "target": "2bce141ed26b333d9cbc5cdf4d037345", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}}, {"rule": 2, "type": "equivalent", "target": "41491128cdf704c0cd44933a2dbb4643", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}}, {"rule": 2, "type": "equivalent", "target": "4654544263ad70fa2f0e0c6f0e0f1c62", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}}, {"rule": 2, "type": "equivalent", "target": "df0087f410eb0958c51f1c793783a932", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}}], "version": "15.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "4654544263ad70fa2f0e0c6f0e0f1c62", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Ensure that index-only scans on name columns return a fully-padded value", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}, "url": "/docs/compare/?release=16.3#16.3-81bd8ae03e520280", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "df0087f410eb0958c51f1c793783a932", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Ensure that index-only scans on name columns return a fully-padded value", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}, "url": "/docs/compare/?release=14.12#14.12-6fa8d7d19947a304", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "2bce141ed26b333d9cbc5cdf4d037345", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Ensure that index-only scans on name columns return a fully-padded value", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}, "url": "/docs/compare/?release=13.15#13.15-acc0b08234f2f9bb", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}, {"db_id": "41491128cdf704c0cd44933a2dbb4643", "kind": "equivalent", "version": "12.19", "label": "12.19", "title": "Ensure that index-only scans on name columns return a fully-padded value", "evidence": {"same_day": true, "patch_ids": ["2b39006cf6adc244b61b9c72cd4e3d84"], "statement_hash": "f9f11e8b602ea0638f6b004289848074bd87e15321ad1fd18d844ba38b70c1c1"}, "url": "/docs/compare/?release=12.19#12.19-7b516895526d4744", "source_url": "/docs/release/12.19/#id-1.11.6.9.6"}]}, {"id": "15.7-59aee19602c0d4d4", "cves": [], "html": "Fix race condition in deciding whether a table sync operation is needed in logical replication (Vignesh C) §
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In psql, avoid leaking a query result after the query is cancelled (Tom Lane) §
\nThis happened only when cancelling a non-last query in a query string made with \\; separators.
Fix pg_dumpall so that role comments, if present, will be dumped regardless of the setting of --no-role-passwords (Daniel Gustafsson, Álvaro Herrera) §
Skip files named .DS_Store in pg_basebackup, pg_checksums, and pg_rewind (Daniel Gustafsson) §
This avoids problems on macOS, where the Finder may create such files.
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This mistake caused parse errors if such a comment followed a WHEN expression in a PL/pgSQL CASE statement.
In contrib/amcheck, don't report false match failures due to short- versus long-header values (Andrey Borodin, Michael Zhilin) § §
A variable-length datum in a heap tuple or index tuple could have either a short or a long header, depending on compression parameters that applied when it was made. Treat these cases as equivalent rather than complaining if there's a difference.
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\nThese output functions are only used for displaying index entries in contrib/pageinspect, so the errors are of limited practical concern.
In contrib/postgres_fdw, avoid emitting requests to sort by a constant (David Rowley) §
This could occur in cases involving UNION ALL with constant-emitting subqueries. Sorting by a constant is useless of course, but it also risks being misinterpreted by the remote server, leading to “ORDER BY position N is not in select list” errors.
Make contrib/postgres_fdw set the remote session's time zone to GMT not UTC (Tom Lane) §
This should have the same results for practical purposes. However, GMT is recognized by hard-wired code in the server, while UTC is looked up in the timezone database. So the old code could fail in the unlikely event that the remote server's timezone database is missing entries.
In contrib/xml2, avoid use of library functions that have been deprecated in recent versions of libxml2 (Dmitry Koval) §
Fix incompatibility with LLVM 18 (Thomas Munro, Dmitry Dolgov) §
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A dump/restore is not required for those running 15.X.
\nHowever, one bug was fixed that could have resulted in corruption of GIN indexes during concurrent updates. If you suspect such corruption, reindex affected indexes after installing this update.
\nAlso, if you are upgrading from a version earlier than 15.5, see Section E.15.
", "compatibility_count": 0, "label": "15.6", "status_label": "Supported", "eol": "2027-11-11", "age_days": 964, "support_days": 408, "entries": [{"id": "15.6-2bcb28f72020c8de", "cves": ["CVE-2024-0985"], "html": "Tighten security restrictions within REFRESH MATERIALIZED VIEW CONCURRENTLY (Heikki Linnakangas) § §
One step of a concurrent refresh command was run under weak security restrictions. If a materialized view's owner could persuade a superuser or other high-privileged user to perform a concurrent refresh on that view, the view's owner could control code executed with the privileges of the user running REFRESH. Fix things so that all user-determined code is run as the view's owner, as expected.
The only known exploit for this error does not work in PostgreSQL 16.0 and later, so it may be that v16 is not vulnerable in practice.
\nThe PostgreSQL Project thanks Pedro Gallegos for reporting this problem. (CVE-2024-0985)
", "text": "Tighten security restrictions within REFRESH MATERIALIZED VIEW CONCURRENTLY (Heikki Linnakangas) § § One step of a concurrent refresh command was run under weak security restrictions. If a materialized view's owner could persuade a superuser or other high-privileged user to perform a concurrent refresh on that view, the view's owner could control code executed with the privileges of the user running REFRESH. Fix things so that all user-determined code is run as the view's owner, as expected. The only known exploit for this error does not work in PostgreSQL 16.0 and later, so it may be that v16 is not vulnerable in practice. The PostgreSQL Project thanks Pedro Gallegos for reporting this problem. 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Fix things so that all user-determined code is run as the view's owner, as expected. The only known exploit for this error does not work in PostgreSQL 16.0 and later, so it may be that v16 is not vulnerable in practice. The PostgreSQL Project thanks Pedro Gallegos for reporting this problem. 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\nThere have been multiple reports of backend processes suffering out-of-memory conditions after sufficiently many JIT compilations. This fix should resolve that.
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\nThis fixes O(N^2) behavior when the list of waiters is long. In some use-cases this results in substantial throughput improvements.
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\nSome uncommon situations involving lateral references could create incorrect plans. Affected queries could produce wrong answers, or odd failures such as “variable not found in subplan target list”, or executor crashes.
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\nThis fixes incorrect results when a subquery is underneath an outer join and has an output column that laterally references something outside the outer join's scope. The output column might not appear as NULL when it should do so due to the action of the outer join.
", "text": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars (Tom Lane) § This fixes incorrect results when a subquery is underneath an outer join and has an output column that laterally references something outside the outer join's scope. The output column might not appear as NULL when it should do so due to the action of the outer join.", "title": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars", "commits": ["a0b4fda44"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "2438ad116565f53f958f32ebfabae74aae3af35e0507ed39ce48496cbb14fe4c", "section_path": ["Changes"], "commit_groups": [["29f114b6f", "69c12c417", "80bece312", "a0b4fda44", "bfd28bb07", "ea1d54288"]], "identity_text": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars (Tom Lane) This fixes incorrect results when a subquery is underneath an outer join and has an output column that laterally references something outside the outer join's scope. The output column might not appear as NULL when it should do so due to the action of the outer join.", "commit_aliases": ["29f114b6f", "69c12c417", "80bece312", "a0b4fda44", "bfd28bb07", "ea1d54288"], "source_commits": ["a0b4fda44"], "source_entry_id": "15.6/changes/005", "db_id": "a37c5b6eef5c20106899d961e020319f", "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99", "relations": [{"rule": 2, "type": "equivalent", "target": "27dbdb3b5729cea4a353c25042b53fa9", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}}, {"rule": 2, "type": "equivalent", "target": "9f6132ec87d1c1be7f9edc8906dfd09d", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}}, {"rule": 2, "type": "equivalent", "target": "a6fac98376e631660257b15f803756bc", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}}, {"rule": 2, "type": "equivalent", "target": "d4ba11683185e750f702a309c216117b", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "27dbdb3b5729cea4a353c25042b53fa9", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}, "url": "/docs/compare/?release=16.2#16.2-e9ca7f8ba488cd8b", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "d4ba11683185e750f702a309c216117b", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}, "url": "/docs/compare/?release=14.11#14.11-4b0c4ada85fa667f", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "9f6132ec87d1c1be7f9edc8906dfd09d", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}, "url": "/docs/compare/?release=13.14#13.14-d0456f1d8acbc81b", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "a6fac98376e631660257b15f803756bc", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Fix incorrect wrapping of subquery output expressions in PlaceHolderVars", "evidence": {"same_day": true, "patch_ids": ["306df43543d108e880b64497a9ef2843"], "statement_hash": "edc6b418cc4ec23397e110e65473fb83b8c35d3b28baba46a6697e525d0cfd99"}, "url": "/docs/compare/?release=12.18#12.18-afb0fda690e8d928", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-134f5bb68ca3c8d1", "cves": [], "html": "Fix misprocessing of window function run conditions (Richard Guo) §
\nThis oversight could lead to “WindowFunc not found in subplan target lists” errors.
", "text": "Fix misprocessing of window function run conditions (Richard Guo) § This oversight could lead to “WindowFunc not found in subplan target lists” errors.", "title": "Fix misprocessing of window function run conditions", "commits": ["c3f52fd5d"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "2813ffbe268d1d8fa98fc3498cc31675e05921800f9bb556edd82eb3c5e9a60d", "section_path": ["Changes"], "commit_groups": [["c3f52fd5d", "d641b827a", "ee9553218"]], "identity_text": "Fix misprocessing of window function run conditions (Richard Guo) This oversight could lead to WindowFunc not found in subplan target lists errors.", "commit_aliases": ["c3f52fd5d", "d641b827a", "ee9553218"], "source_commits": ["c3f52fd5d"], "source_entry_id": "15.6/changes/006", "db_id": "b876c8e5e9f837881ab6374cf9da70af", "patch_ids": ["83789201675b24e93caf4b49fb785174"], "statement_hash": "9d9006c6b719a3698f790acf5aa947439978994d8de8d83d99b975c3634d18f8", "relations": [{"rule": 2, "type": "equivalent", "target": "85a3a45f1079d635cc4463201d887346", "evidence": {"same_day": true, "patch_ids": ["83789201675b24e93caf4b49fb785174"], "statement_hash": "9d9006c6b719a3698f790acf5aa947439978994d8de8d83d99b975c3634d18f8"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "85a3a45f1079d635cc4463201d887346", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix misprocessing of window function run conditions", "evidence": {"same_day": true, "patch_ids": ["83789201675b24e93caf4b49fb785174"], "statement_hash": "9d9006c6b719a3698f790acf5aa947439978994d8de8d83d99b975c3634d18f8"}, "url": "/docs/compare/?release=16.2#16.2-7c0e7bcce591d682", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}]}, {"id": "15.6-3b80e1d4ecbc6581", "cves": [], "html": "Skip inappropriate actions when MERGE causes a cross-partition update (Dean Rasheed) §
When executing a MERGE UPDATE action on a partitioned table, if the UPDATE is turned into a DELETE and INSERT due to changing a partition key column, skip firing AFTER UPDATE ROW triggers, as well as other post-update actions such as RLS checks. These actions would typically fail, which is why a regular UPDATE doesn't do them in such cases; MERGE shouldn't either.
Cope with BEFORE ROW DELETE triggers in cross-partition MERGE updates (Dean Rasheed) §
If such a trigger attempted to prevent the update by returning NULL, MERGE would suffer an error or assertion failure.
Prevent access to a no-longer-pinned buffer in BEFORE ROW UPDATE triggers (Alexander Lakhin, Tom Lane) §
If the tuple being updated had just been updated and moved to another page by another session, there was a narrow window where we would attempt to fetch data from the new tuple version without any pin on its buffer. In principle this could result in garbage data appearing in non-updated columns of the proposed new tuple. The odds of problems in practice seem rather low, however.
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\nThe limiting value was too large, allowing “invalid DSA memory alloc request size” errors to occur with sufficiently large expected hash table sizes.
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This error had no impact in non-assert builds, either.
", "text": "Fix overly tight assertion about false_positive_rate parameter of BRIN bloom operator classes (Alexander Lakhin) § This error had no impact in non-assert builds, either.", "title": "Fix overly tight assertion about false_positive_rate parameter of BRIN bloom operator classes", "commits": ["7e18c0bd6"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "3bf442cc2e233911c8c8edba5fdcc0b4b4efc0fefa793aa8fe0c66f34f25817d", "section_path": ["Changes"], "commit_groups": [["1b2c6b756", "4dccf9575", "59fc39c0d", "7e18c0bd6"]], "identity_text": "Fix overly tight assertion about false_positive_rate parameter of BRIN bloom operator classes (Alexander Lakhin) This error had no impact in non-assert builds, either.", "commit_aliases": ["1b2c6b756", "4dccf9575", "59fc39c0d", "7e18c0bd6"], "source_commits": ["7e18c0bd6"], "source_entry_id": "15.6/changes/012", "db_id": "84a6b43075ab63a56fc0efda19fe5f9d", "patch_ids": ["26cdd34f9b55ec6a7e16c8a1fc11cf53"], "statement_hash": "83e69bcb667fa32039630a0e4fc2db5f26e0ea9f2b159689a8ddd58d6af98997", "relations": [{"rule": 2, "type": "equivalent", "target": "01cdf2481aa0a8441706bd17a62dc55a", "evidence": {"same_day": true, "patch_ids": ["26cdd34f9b55ec6a7e16c8a1fc11cf53"], "statement_hash": "83e69bcb667fa32039630a0e4fc2db5f26e0ea9f2b159689a8ddd58d6af98997"}}, {"rule": 2, "type": "equivalent", "target": "3603fd1c155ff529092ff62e35fe6fde", "evidence": {"same_day": true, "patch_ids": ["26cdd34f9b55ec6a7e16c8a1fc11cf53"], "statement_hash": "83e69bcb667fa32039630a0e4fc2db5f26e0ea9f2b159689a8ddd58d6af98997"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "01cdf2481aa0a8441706bd17a62dc55a", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix overly tight assertion about false_positive_rate parameter of BRIN bloom operator classes", "evidence": {"same_day": true, "patch_ids": ["26cdd34f9b55ec6a7e16c8a1fc11cf53"], "statement_hash": "83e69bcb667fa32039630a0e4fc2db5f26e0ea9f2b159689a8ddd58d6af98997"}, "url": "/docs/compare/?release=16.2#16.2-2969fedfddea680b", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "3603fd1c155ff529092ff62e35fe6fde", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix overly tight assertion about false_positive_rate parameter of BRIN bloom operator classes", "evidence": {"same_day": true, "patch_ids": ["26cdd34f9b55ec6a7e16c8a1fc11cf53"], "statement_hash": "83e69bcb667fa32039630a0e4fc2db5f26e0ea9f2b159689a8ddd58d6af98997"}, "url": "/docs/compare/?release=14.11#14.11-29798d2cd4cc46ec", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}]}, {"id": "15.6-7a8b3c47032c76b0", "cves": [], "html": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree (Tender Wang) §
If a grandchild table would inherit the new column via multiple intermediate parents, the command failed with “tuple already updated by self”.
", "text": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree (Tender Wang) § If a grandchild table would inherit the new column via multiple intermediate parents, the command failed with “tuple already updated by self”.", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "commits": ["ad6fbbeeb"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "778536e6bd2bf3741eb1cf42308f7d4944813bd92a4c088d94d495ae4e6461a8", "section_path": ["Changes"], "commit_groups": [["2f7242837", "51193e7a7", "5a7833f49", "ad6fbbeeb", "bb812ab09", "bfec14d06"]], "identity_text": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree (Tender Wang) If a grandchild table would inherit the new column via multiple intermediate parents, the command failed with tuple already updated by self.", "commit_aliases": ["2f7242837", "51193e7a7", "5a7833f49", "ad6fbbeeb", "bb812ab09", "bfec14d06"], "source_commits": ["ad6fbbeeb"], "source_entry_id": "15.6/changes/013", "db_id": "673170aa07e336a5c8baed14356d0f67", "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8", "relations": [{"rule": 2, "type": "equivalent", "target": "142fb00bd273ceb1084026118f4b21b6", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}, {"rule": 2, "type": "equivalent", "target": "301792a25f5cba72b30b84c95ef907f5", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}, {"rule": 2, "type": "equivalent", "target": "946b01eb01795e5f4ce183aa9fbbdb39", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}, {"rule": 2, "type": "equivalent", "target": "ef85d1026556ed2b4eaab696535fbcd7", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "142fb00bd273ceb1084026118f4b21b6", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=16.2#16.2-79afef1c3ae55a3a", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "ef85d1026556ed2b4eaab696535fbcd7", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=14.11#14.11-0c5220275c391551", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "946b01eb01795e5f4ce183aa9fbbdb39", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=13.14#13.14-1faed4c35c0e97f4", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "301792a25f5cba72b30b84c95ef907f5", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=12.18#12.18-bf5c96f625aff4b1", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-a39445518cb2f6b9", "cves": [], "html": "Fix problems with duplicate token names in ALTER TEXT SEARCH CONFIGURATION ... MAPPING commands (Tender Wang, Michael Paquier) §
Properly lock the associated table during DROP STATISTICS (Tomas Vondra) §
Failure to acquire the lock could result in “tuple concurrently deleted” errors if the DROP executes concurrently with ANALYZE.
Fix function volatility checking for GENERATED and DEFAULT expressions (Tom Lane) §
These places could fail to detect insertion of a volatile function default-argument expression, or decide that a polymorphic function is volatile although it is actually immutable on the datatype of interest. This could lead to improperly rejecting or accepting a GENERATED clause, or to mistakenly applying the constant-default-value optimization in ALTER TABLE ADD COLUMN.
Detect that a new catalog cache entry became stale while detoasting its fields (Tom Lane) § §
\nWe expand any out-of-line fields in a catalog tuple before inserting it into the catalog caches. That involves database access which might cause invalidation of catalog cache entries — but the new entry isn't in the cache yet, so we would miss noticing that it should get invalidated. The result is a race condition in which an already-stale cache entry could get made, and then persist indefinitely. This would lead to hard-to-predict misbehavior. Fix by rechecking the tuple's visibility after detoasting.
", "text": "Detect that a new catalog cache entry became stale while detoasting its fields (Tom Lane) § § We expand any out-of-line fields in a catalog tuple before inserting it into the catalog caches. That involves database access which might cause invalidation of catalog cache entries — but the new entry isn't in the cache yet, so we would miss noticing that it should get invalidated. The result is a race condition in which an already-stale cache entry could get made, and then persist indefinitely. This would lead to hard-to-predict misbehavior. Fix by rechecking the tuple's visibility after detoasting.", "title": "Detect that a new catalog cache entry became stale while detoasting its fields", "commits": ["2a46a0df4", "d41358f4b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "e577fa7ac5eb24c5f880fe850225a9ecfc852f3245a4968a992e43f74b4939fe", "section_path": ["Changes"], "commit_groups": [["2a46a0df4", "3b4d85cf1", "7e2561e1a", "98e03f957", "ad98fb142", "db122d426"], ["475b3ea3c", "56dcd71de", "7ceeb57ba", "96c019ffa", "d29a4fbac", "d41358f4b"]], "identity_text": "Detect that a new catalog cache entry became stale while detoasting its fields (Tom Lane) We expand any out-of-line fields in a catalog tuple before inserting it into the catalog caches. That involves database access which might cause invalidation of catalog cache entries — but the new entry isn't in the cache yet, so we would miss noticing that it should get invalidated. The result is a race condition in which an already-stale cache entry could get made, and then persist indefinitely. This would lead to hard-to-predict misbehavior. 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\nComputing 0 - INT64_MIN should result in an overflow error, and did on most platforms. However, platforms with neither integer overflow builtins nor 128-bit integers would fail to spot the overflow, instead returning INT64_MIN.
Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp (Tom Lane) §
Some cases that should cause an out-of-range error produced an incorrect result instead.
", "text": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp (Tom Lane) § Some cases that should cause an out-of-range error produced an incorrect result instead.", "title": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp", "commits": ["86b6243a8"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "5ed6287c33e2a2c1cf9d40e6e4fb819503088228ca1a83e9aa6a6930a79f06e5", "section_path": ["Changes"], "commit_groups": [["25cd2d640", "3eb8a87f6", "425127bed", "7204aea83", "86b6243a8", "c3bdb25fb"]], "identity_text": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp (Tom Lane) Some cases that should cause an out-of-range error produced an incorrect result instead.", "commit_aliases": ["25cd2d640", "3eb8a87f6", "425127bed", "7204aea83", "86b6243a8", "c3bdb25fb"], "source_commits": ["86b6243a8"], "source_entry_id": "15.6/changes/019", "db_id": "02fce217b28bb48875b4e6ddfb4843cf", "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79", "relations": [{"rule": 2, "type": "equivalent", "target": "067f418da4ddfd783db86cee2711079c", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}}, {"rule": 2, "type": "equivalent", "target": "11448edd0757699ee4a8a223c6a0fae9", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}}, {"rule": 2, "type": "equivalent", "target": "7a3480d795a76723d2b534f16cb3bf39", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}}, {"rule": 2, "type": "equivalent", "target": "ad68c0ac4d0bf6a2b70d8e4d787a3331", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7a3480d795a76723d2b534f16cb3bf39", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}, "url": "/docs/compare/?release=16.2#16.2-94942a978b12503c", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "11448edd0757699ee4a8a223c6a0fae9", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}, "url": "/docs/compare/?release=14.11#14.11-9ae1775ef7d64f22", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "ad68c0ac4d0bf6a2b70d8e4d787a3331", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}, "url": "/docs/compare/?release=13.14#13.14-67558370fa6393fb", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "067f418da4ddfd783db86cee2711079c", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp", "evidence": {"same_day": true, "patch_ids": ["0cb77fc7d36ae7646c0b2446cf6fa828"], "statement_hash": "4eacdbe954a40841ea03585e5ae572f801259d9f095d8666cbe8042b7221fa79"}, "url": "/docs/compare/?release=12.18#12.18-20a068c454b1d4ba", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-48dfa7dfb5640554", "cves": [], "html": "Add more checks for overflow in interval_mul() and interval_div() (Dean Rasheed) §
Some cases that should cause an out-of-range error produced an incorrect result instead.
", "text": "Add more checks for overflow in interval_mul() and interval_div() (Dean Rasheed) § Some cases that should cause an out-of-range error produced an incorrect result instead.", "title": "Add more checks for overflow in interval_mul() and interval_div()", "commits": ["2851aa7d1"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "fffa69dfac617cd851f9a66e2a6647762ddd82a57d6f76a74a16b8d5226568dd", "section_path": ["Changes"], "commit_groups": [["2851aa7d1", "2ffcebdba", "428770aad", "72d0c135b", "b218fbb7a", "f499d2b20"]], "identity_text": "Add more checks for overflow in interval_mul() and interval_div() (Dean Rasheed) Some cases that should cause an out-of-range error produced an incorrect result instead.", "commit_aliases": ["2851aa7d1", "2ffcebdba", "428770aad", "72d0c135b", "b218fbb7a", "f499d2b20"], "source_commits": ["2851aa7d1"], "source_entry_id": "15.6/changes/020", "db_id": "54e5cb43a81ad7f52fbbe8544bf1a81b", "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898", "relations": [{"rule": 2, "type": "equivalent", "target": "4cfaa5a4b7ae46a8f1a9753ff06c2dcc", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}}, {"rule": 2, "type": "equivalent", "target": "6c9273221fcf8bf8f52c758d26971163", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}}, {"rule": 2, "type": "equivalent", "target": "91c46ee778e8f275975ba82261732a1a", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}}, {"rule": 2, "type": "equivalent", "target": "d1f1f8887f7d168c8e7150a76bc2adba", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "91c46ee778e8f275975ba82261732a1a", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Add more checks for overflow in interval_mul() and interval_div()", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}, "url": "/docs/compare/?release=16.2#16.2-ab176581fb5ca10a", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "4cfaa5a4b7ae46a8f1a9753ff06c2dcc", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Add more checks for overflow in interval_mul() and interval_div()", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}, "url": "/docs/compare/?release=14.11#14.11-ee1a6971df424096", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "d1f1f8887f7d168c8e7150a76bc2adba", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Add more checks for overflow in interval_mul() and interval_div()", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}, "url": "/docs/compare/?release=13.14#13.14-cdcc01c80cf10dc8", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "6c9273221fcf8bf8f52c758d26971163", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Add more checks for overflow in interval_mul() and interval_div()", "evidence": {"same_day": true, "patch_ids": ["82e60d126c84521cecebda182adfbba1"], "statement_hash": "f2c5877e9ed93f017ebaa9c70f2f67221b192af36f1677ae1bc265b4c6ee0898"}, "url": "/docs/compare/?release=12.18#12.18-ed62d475b8f946b0", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-a8f85de6be842446", "cves": [], "html": "Ensure cached statistics are discarded after a change to stats_fetch_consistency (Shinya Kato) §
In some code paths, it was possible for stale statistics to be returned.
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\nIf an index root page split occurs concurrently with our own insertion, the code could fail with “buffer NNNN is not owned by resource owner”.
", "text": "Avoid premature release of buffer pin in GIN index insertion (Tom Lane) § If an index root page split occurs concurrently with our own insertion, the code could fail with “buffer NNNN is not owned by resource owner”.", "title": "Avoid premature release of buffer pin in GIN index insertion", "commits": ["4c73ec604"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "03e279ec78e8e1c73603ecfcf2a4363d880c35538114133b9df737954642cff9", "section_path": ["Changes"], "commit_groups": [["4c73ec604", "5a6937ec9", "5c62ecf6e", "c859d688b", "d900e74e0", "f76b975d5"]], "identity_text": "Avoid premature release of buffer pin in GIN index insertion (Tom Lane) If an index root page split occurs concurrently with our own insertion, the code could fail with buffer NNNN is not owned by resource owner.", "commit_aliases": ["4c73ec604", "5a6937ec9", "5c62ecf6e", "c859d688b", "d900e74e0", "f76b975d5"], "source_commits": ["4c73ec604"], "source_entry_id": "15.6/changes/026", "db_id": "a7f7285e23b96dab36479d6ae9473b2e", "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5", "relations": [{"rule": 2, "type": "equivalent", "target": "0e900f8d28f2621d5ed94bbcce3de62a", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}}, {"rule": 2, "type": "equivalent", "target": "30792f0b586fc34673ee37b2668327a6", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}}, {"rule": 2, "type": "equivalent", "target": "439485a9b20eaa41f5de58eb093eb06b", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}}, {"rule": 2, "type": "equivalent", "target": "4c02e926b24e937b6203c2bcfe1c0586", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "439485a9b20eaa41f5de58eb093eb06b", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Avoid premature release of buffer pin in GIN index insertion", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}, "url": "/docs/compare/?release=16.2#16.2-8ac48afaa8992315", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "30792f0b586fc34673ee37b2668327a6", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Avoid premature release of buffer pin in GIN index insertion", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}, "url": "/docs/compare/?release=14.11#14.11-d60f13b710117e2a", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "0e900f8d28f2621d5ed94bbcce3de62a", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Avoid premature release of buffer pin in GIN index insertion", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}, "url": "/docs/compare/?release=13.14#13.14-c6db61ffe5134ee9", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "4c02e926b24e937b6203c2bcfe1c0586", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Avoid premature release of buffer pin in GIN index insertion", "evidence": {"same_day": true, "patch_ids": ["3f249d155b5c2df541d28789fb465925"], "statement_hash": "bb4ac73864cb8b0290e8d72da8ec147875338049505cecf89c4646f61249feb5"}, "url": "/docs/compare/?release=12.18#12.18-6e5145973214fd42", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-90baa090b5b70728", "cves": [], "html": "Avoid failure with partitioned SP-GiST indexes (Tom Lane) §
\nTrying to use an index of this kind could lead to “No such file or directory” errors.
", "text": "Avoid failure with partitioned SP-GiST indexes (Tom Lane) § Trying to use an index of this kind could lead to “No such file or directory” errors.", "title": "Avoid failure with partitioned SP-GiST indexes", "commits": ["ab04c1901"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "6513afebdcf1adff73bbc677ec9e1dbae2b6731b126934b9d93d4a267e194f1c", "section_path": ["Changes"], "commit_groups": [["0977bd64e", "1771ec9a8", "375f441bd", "903737c5b", "ab04c1901", "cc3865150"]], "identity_text": "Avoid failure with partitioned SP-GiST indexes (Tom Lane) Trying to use an index of this kind could lead to No such file or directory errors.", "commit_aliases": ["0977bd64e", "1771ec9a8", "375f441bd", "903737c5b", "ab04c1901", "cc3865150"], "source_commits": ["ab04c1901"], "source_entry_id": "15.6/changes/027", "db_id": "af135e7bd056dec3344629f7c6fc5938", "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455", "relations": [{"rule": 2, "type": "equivalent", "target": "16474720954945b50e674d14f5578461", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}}, {"rule": 2, "type": "equivalent", "target": "d3c7940e315cc5fc8d6cf1035388baa1", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}}, {"rule": 2, "type": "equivalent", "target": "e072e61fc5941781dd2c3286c4ff7421", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}}, {"rule": 2, "type": "equivalent", "target": "fb1ba0226cde492bcdfb5ed498002fbd", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "fb1ba0226cde492bcdfb5ed498002fbd", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Avoid failure with partitioned SP-GiST indexes", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}, "url": "/docs/compare/?release=16.2#16.2-9806aab5cbb12475", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "d3c7940e315cc5fc8d6cf1035388baa1", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Avoid failure with partitioned SP-GiST indexes", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}, "url": "/docs/compare/?release=14.11#14.11-7d51929feb67d0f6", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "16474720954945b50e674d14f5578461", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Avoid failure with partitioned SP-GiST indexes", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}, "url": "/docs/compare/?release=13.14#13.14-42a1eab36f5a74c6", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "e072e61fc5941781dd2c3286c4ff7421", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Avoid failure with partitioned SP-GiST indexes", "evidence": {"same_day": true, "patch_ids": ["103c5aa6495f7fbe1fbc2370aaad0b6a"], "statement_hash": "b3d2b70befd4413165a072b5539fef07de41a06e18ae938319c3e1c3a256d455"}, "url": "/docs/compare/?release=12.18#12.18-33878e0e5856175c", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-61b38f2402c7f68c", "cves": [], "html": "Fix ownership change reporting for large objects (Tom Lane) §
\nA no-op ALTER LARGE OBJECT OWNER command (that is, one selecting the existing owner) passed the wrong class ID to the PostAlterHook, probably confusing any extension using that hook.
Fix reporting of I/O timing data in EXPLAIN (BUFFERS) (Michael Paquier) §
The numbers labeled as “shared/local” actually refer only to shared buffers, so change that label to “shared”.
", "text": "Fix reporting of I/O timing data in EXPLAIN (BUFFERS) (Michael Paquier) § The numbers labeled as “shared/local” actually refer only to shared buffers, so change that label to “shared”.", "title": "Fix reporting of I/O timing data in EXPLAIN (BUFFERS)", "commits": ["8dd70828b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "c5aafed06223a4411e6bc940a816572176a1761f45907f4d92664bafcb7a3a54", "section_path": ["Changes"], "commit_groups": [["8dd70828b", "db69101a1"]], "identity_text": "Fix reporting of I/O timing data in EXPLAIN (BUFFERS) (Michael Paquier) The numbers labeled as shared/local actually refer only to shared buffers, so change that label to shared.", "commit_aliases": ["8dd70828b", "db69101a1"], "source_commits": ["8dd70828b"], "source_entry_id": "15.6/changes/029", "db_id": "f15ab53e08594513b51caa9620bf4449", "patch_ids": ["b7cd681c428409e8736be2016f19c81e"], "statement_hash": "b90bf9fd60fd3c523c158b48c3e0cd2ceb6c587003e7e4d252218ffa8273fbb5", "relations": [{"rule": 2, "type": "equivalent", "target": "08226d202a917f1d9552d0fb9f0ad0e2", "evidence": {"same_day": true, "patch_ids": ["b7cd681c428409e8736be2016f19c81e"], "statement_hash": "b90bf9fd60fd3c523c158b48c3e0cd2ceb6c587003e7e4d252218ffa8273fbb5"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "08226d202a917f1d9552d0fb9f0ad0e2", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix reporting of I/O timing data in EXPLAIN (BUFFERS)", "evidence": {"same_day": true, "patch_ids": ["b7cd681c428409e8736be2016f19c81e"], "statement_hash": "b90bf9fd60fd3c523c158b48c3e0cd2ceb6c587003e7e4d252218ffa8273fbb5"}, "url": "/docs/compare/?release=16.2#16.2-3cc5813373771ed0", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}]}, {"id": "15.6-ad87be641f81e502", "cves": [], "html": "Ensure durability of CREATE DATABASE (Noah Misch) § §
If an operating system crash occurred during or shortly after CREATE DATABASE, recovery could fail, or subsequent connections to the new database could fail. If a base backup was taken in that window, similar problems could be observed when trying to use the backup. The symptom would be that the database directory, PG_VERSION file, or pg_filenode.map file was missing or empty.
Add more LOG messages when starting and ending recovery from a backup (Andres Freund) §
This change provides additional information in the postmaster log that may be useful for diagnosing recovery problems.
", "text": "Add more LOG messages when starting and ending recovery from a backup (Andres Freund) § This change provides additional information in the postmaster log that may be useful for diagnosing recovery problems.", "title": "Add more LOG messages when starting and ending recovery from a backup", "commits": ["8b34cff33"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "278da1370abdc8b633c5fff2917b7f1ae523d02a6ae4c1caa8a81366e9b31ced", "section_path": ["Changes"], "commit_groups": [["1d35f705e", "8b34cff33", "edbd1b41a"]], "identity_text": "Add more LOG messages when starting and ending recovery from a backup (Andres Freund) This change provides additional information in the postmaster log that may be useful for diagnosing recovery problems.", "commit_aliases": ["1d35f705e", "8b34cff33", "edbd1b41a"], "source_commits": ["8b34cff33"], "source_entry_id": "15.6/changes/031", "db_id": "d9ceaf3109bc4845b8831721fb3487e2", "patch_ids": ["a50efcd5666996dbc2b769e9fc73c42b"], "statement_hash": "fc125fe4957e77365c8b9d6e75a054f541f54eb80bbc54f4190ca7952ede7020", "relations": [{"rule": 2, "type": "related", "target": "081db8f02dd3ff1c924983d249d21687", "evidence": {"same_day": false, "patch_ids": ["a50efcd5666996dbc2b769e9fc73c42b"]}}, {"rule": 2, "type": "equivalent", "target": "9cd394066681d267db871196e7aac9a5", "evidence": {"same_day": true, "patch_ids": ["a50efcd5666996dbc2b769e9fc73c42b"], "statement_hash": "fc125fe4957e77365c8b9d6e75a054f541f54eb80bbc54f4190ca7952ede7020"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "081db8f02dd3ff1c924983d249d21687", "kind": "related", "version": "17.0", "label": "17.0", "title": "Add log messages related to WAL recovery from backups", "evidence": {"same_day": false, "patch_ids": ["a50efcd5666996dbc2b769e9fc73c42b"]}, "url": "/docs/compare/?release=17.0#17.0-9db6dad3f95e0468", "source_url": "/docs/release/17.0/#RELEASE-17-MONITORING"}, {"db_id": "9cd394066681d267db871196e7aac9a5", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Add more LOG messages when starting and ending recovery from a backup", "evidence": {"same_day": true, "patch_ids": ["a50efcd5666996dbc2b769e9fc73c42b"], "statement_hash": "fc125fe4957e77365c8b9d6e75a054f541f54eb80bbc54f4190ca7952ede7020"}, "url": "/docs/compare/?release=16.2#16.2-d324805180111688", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}]}, {"id": "15.6-31cdd3df4b3a9585", "cves": [], "html": "Prevent standby servers from incorrectly processing dead index tuples during subtransactions (Fei Changhong) §
\nThe startedInRecovery flag was not correctly set for a subtransaction. This affects only processing of dead index tuples. It could allow a query in a subtransaction to ignore index entries that it should return (if they are already dead on the primary server, but not dead to the standby transaction), or to prematurely mark index entries as dead that are not yet dead on the primary. It is not clear that the latter case has any serious consequences, but it's not the intended behavior.
Fix integer overflow hazard in checking whether a record will fit into the WAL decoding buffer (Thomas Munro) §
\nThis bug appears to be only latent except when running a 32-bit PostgreSQL build on a 64-bit platform.
", "text": "Fix integer overflow hazard in checking whether a record will fit into the WAL decoding buffer (Thomas Munro) § This bug appears to be only latent except when running a 32-bit PostgreSQL build on a 64-bit platform.", "title": "Fix integer overflow hazard in checking whether a record will fit into the WAL decoding buffer", "commits": ["b9f687f5a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "79cb4633cd479f30f7e4a0f83f1dbe908980ffa5ac67ba2c630d26ed2387e6a6", "section_path": ["Changes"], "commit_groups": [["8ca56620c", "b9f687f5a", "cd7f19da3"]], "identity_text": "Fix integer overflow hazard in checking whether a record will fit into the WAL decoding buffer (Thomas Munro) This bug appears to be only latent except when running a 32-bit PostgreSQL build on a 64-bit platform.", "commit_aliases": ["8ca56620c", "b9f687f5a", "cd7f19da3"], "source_commits": ["b9f687f5a"], "source_entry_id": "15.6/changes/033", "db_id": "76f7cd102fcb64e0ef0f4827d21ae135", "patch_ids": ["d8d7e067d36aa375510d6e28a4fa7120"], "statement_hash": "abbff4e28689cf7bf64d4c7d1fc334710f9a8ce1290bf45369575651731f0852", "relations": [{"rule": 2, "type": "equivalent", "target": "5c775eaea0782d4b1d874f765a602c24", "evidence": {"same_day": true, "patch_ids": ["d8d7e067d36aa375510d6e28a4fa7120"], "statement_hash": "abbff4e28689cf7bf64d4c7d1fc334710f9a8ce1290bf45369575651731f0852"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5c775eaea0782d4b1d874f765a602c24", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix integer overflow hazard in checking whether a record will fit into the WAL decoding buffer", "evidence": {"same_day": true, "patch_ids": ["d8d7e067d36aa375510d6e28a4fa7120"], "statement_hash": "abbff4e28689cf7bf64d4c7d1fc334710f9a8ce1290bf45369575651731f0852"}, "url": "/docs/compare/?release=16.2#16.2-17b126054a243286", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}]}, {"id": "15.6-48a084e107535f56", "cves": [], "html": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription (Shlok Kyal) §
\nOne edge of the deadlock loop did not involve a lock wait, so the deadlock went undetected and would persist until manual intervention.
", "text": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription (Shlok Kyal) § One edge of the deadlock loop did not involve a lock wait, so the deadlock went undetected and would persist until manual intervention.", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "commits": ["332b43063"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "5f8b72e4a33789286d0b868b1229d464ddfe8af2aa9854737cb63f965cf8f65d", "section_path": ["Changes"], "commit_groups": [["01cc92fa6", "332b43063", "3f86867d5", "8d7d2197f", "b47ea4f3d", "e81e617f3"]], "identity_text": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription (Shlok Kyal) One edge of the deadlock loop did not involve a lock wait, so the deadlock went undetected and would persist until manual intervention.", "commit_aliases": ["01cc92fa6", "332b43063", "3f86867d5", "8d7d2197f", "b47ea4f3d", "e81e617f3"], "source_commits": ["332b43063"], "source_entry_id": "15.6/changes/034", "db_id": "a16b5724c7373619ea8caa35f2b5239a", "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f", "relations": [{"rule": 2, "type": "equivalent", "target": "2a011962b460c2ba9e7ce01c4df22901", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}, {"rule": 2, "type": "equivalent", "target": "c38912d1c2ceb29d1db3b23aaf238c85", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}, {"rule": 2, "type": "equivalent", "target": "ce1b6ec0e1a165e554f641b1ab0be72a", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}, {"rule": 2, "type": "equivalent", "target": "fed1930920c400f602fd8c892c9284b9", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2a011962b460c2ba9e7ce01c4df22901", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=16.2#16.2-86d10b7fea7df6c7", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "ce1b6ec0e1a165e554f641b1ab0be72a", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=14.11#14.11-2a2c07f7cfda5d98", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "fed1930920c400f602fd8c892c9284b9", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=13.14#13.14-3f22dc610490e54a", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "c38912d1c2ceb29d1db3b23aaf238c85", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=12.18#12.18-4cd8e3d52da44b71", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-98b34e8ff9c545ff", "cves": [], "html": "Ensure that column default values are correctly transmitted by the pgoutput logical replication plugin (Nikhil Benesch) §
\nALTER TABLE ADD COLUMN with a constant default value for the new column avoids rewriting existing tuples, instead expecting that reading code will insert the correct default into a tuple that lacks that column. If replication was subsequently initiated on the table, pgoutput would transmit NULL instead of the correct default for such a column, causing incorrect replication on the subscriber.
Fix failure of logical replication's initial sync for a table with no columns (Vignesh C) §
\nThis case generated an improperly-formatted COPY command.
Prevent examining system catalogs with the wrong snapshot during logical decoding (Fei Changhong) §
\nIf decoding begins partway through a transaction that modifies system catalogs, the decoder may not recognize that, causing it to fail to treat that transaction as in-progress for catalog lookups. This fix deals with the case that a top-level transaction is already marked as containing catalog changes, but its subtransaction(s) are not.
", "text": "Prevent examining system catalogs with the wrong snapshot during logical decoding (Fei Changhong) § If decoding begins partway through a transaction that modifies system catalogs, the decoder may not recognize that, causing it to fail to treat that transaction as in-progress for catalog lookups. This fix deals with the case that a top-level transaction is already marked as containing catalog changes, but its subtransaction(s) are not.", "title": "Prevent examining system catalogs with the wrong snapshot during logical decoding", "commits": ["b793a416b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "7e5877454a408ce70be486641a525c7df76eb8cde1d3f6388002019a7ce6c4e1", "section_path": ["Changes"], "commit_groups": [["6b77048e5", "b793a416b"]], "identity_text": "Prevent examining system catalogs with the wrong snapshot during logical decoding (Fei Changhong) If decoding begins partway through a transaction that modifies system catalogs, the decoder may not recognize that, causing it to fail to treat that transaction as in-progress for catalog lookups. This fix deals with the case that a top-level transaction is already marked as containing catalog changes, but its subtransaction(s) are not.", "commit_aliases": ["6b77048e5", "b793a416b"], "source_commits": ["b793a416b"], "source_entry_id": "15.6/changes/037", "db_id": "6d7530dd4bb9698bc23d7cfdd02f60a0", "patch_ids": ["2cbc6268eff6b2909737004e31008e33"], "statement_hash": "ee0c4a45fee188b62d4f35808ab4861d7f5e56e9ab75459bf86812c66eeee523", "relations": [{"rule": 2, "type": "equivalent", "target": "7bcbdae046ed5ff0285283badeefa4b8", "evidence": {"same_day": true, "patch_ids": ["2cbc6268eff6b2909737004e31008e33"], "statement_hash": "ee0c4a45fee188b62d4f35808ab4861d7f5e56e9ab75459bf86812c66eeee523"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7bcbdae046ed5ff0285283badeefa4b8", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Prevent examining system catalogs with the wrong snapshot during logical decoding", "evidence": {"same_day": true, "patch_ids": ["2cbc6268eff6b2909737004e31008e33"], "statement_hash": "ee0c4a45fee188b62d4f35808ab4861d7f5e56e9ab75459bf86812c66eeee523"}, "url": "/docs/compare/?release=14.11#14.11-1348efb781356d5d", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}]}, {"id": "15.6-5e8c6bbee0808fca", "cves": [], "html": "Return the correct status code when a new client disconnects without responding to the server's password challenge (Liu Lang, Tom Lane) §
\nIn some cases we'd treat this as a loggable error, which was not the intention and tends to create log spam, since common clients like psql frequently do this. It may also confuse extensions that use ClientAuthentication_hook.
Fix incompatibility with OpenSSL 3.2 (Tristan Partin, Bo Andreson) §
\nUse the BIO “app_data” field for our private storage, instead of assuming it's okay to use the “data” field. This mistake didn't cause problems before, but with 3.2 it leads to crashes and complaints about double frees.
", "text": "Fix incompatibility with OpenSSL 3.2 (Tristan Partin, Bo Andreson) § Use the BIO “app_data” field for our private storage, instead of assuming it's okay to use the “data” field. This mistake didn't cause problems before, but with 3.2 it leads to crashes and complaints about double frees.", "title": "Fix incompatibility with OpenSSL 3.2", "commits": ["5dd30bb54"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "c1edcad0ecb846ed7e141fb7eb66fe11e54cd6f46f744c3dd70d831700363703", "section_path": ["Changes"], "commit_groups": [["0bd682246", "5dd30bb54", "b2b1f1288", "c82207a54", "efa8f6064", "efb804682"]], "identity_text": "Fix incompatibility with OpenSSL 3.2 (Tristan Partin, Bo Andreson) Use the BIO app_data field for our private storage, instead of assuming it's okay to use the data field. This mistake didn't cause problems before, but with 3.2 it leads to crashes and complaints about double frees.", "commit_aliases": ["0bd682246", "5dd30bb54", "b2b1f1288", "c82207a54", "efa8f6064", "efb804682"], "source_commits": ["5dd30bb54"], "source_entry_id": "15.6/changes/039", "db_id": "10899645f953979ed38c090627cf12b1", "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822", "relations": [{"rule": 2, "type": "equivalent", "target": "28737f413863cd4983759979f7d59a6a", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}}, {"rule": 2, "type": "equivalent", "target": "5b1578fd1e16d620c13d42b9a134fbd5", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}}, {"rule": 2, "type": "equivalent", "target": "c6175c8583bad1e59d4bb8fc14f711c1", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}}, {"rule": 2, "type": "equivalent", "target": "f1025ad6e278e9daa4b80572ad09348d", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}}], "version": "15.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c6175c8583bad1e59d4bb8fc14f711c1", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix incompatibility with OpenSSL 3.2", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}, "url": "/docs/compare/?release=16.2#16.2-ee528136ff09b5e4", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "5b1578fd1e16d620c13d42b9a134fbd5", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix incompatibility with OpenSSL 3.2", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}, "url": "/docs/compare/?release=14.11#14.11-3333b88f7c26e326", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "28737f413863cd4983759979f7d59a6a", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix incompatibility with OpenSSL 3.2", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}, "url": "/docs/compare/?release=13.14#13.14-9cb54a2eb67835df", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}, {"db_id": "f1025ad6e278e9daa4b80572ad09348d", "kind": "equivalent", "version": "12.18", "label": "12.18", "title": "Fix incompatibility with OpenSSL 3.2", "evidence": {"same_day": true, "patch_ids": ["328af78cb482a331443286ce33c08610"], "statement_hash": "656abe98066ffff1bdf4db5407c4228dfb200c39542c14526553d63fbadd2822"}, "url": "/docs/compare/?release=12.18#12.18-0615c0d27eeefd45", "source_url": "/docs/release/12.18/#id-1.11.6.10.6"}]}, {"id": "15.6-a42d9aca1f0d71fb", "cves": [], "html": "Be more wary about OpenSSL not setting errno on error (Tom Lane) §
If errno isn't set, assume the cause of the reported failure is read EOF. This fixes rare cases of strange error reports like “could not accept SSL connection: Success”.
Fix file descriptor leakage when a foreign data wrapper's ForeignAsyncRequest function fails (Heikki Linnakangas) §
Report ENOMEM errors from file-related system calls as ERRCODE_OUT_OF_MEMORY, not ERRCODE_INTERNAL_ERROR (Alexander Kuzmenkov) §
In PL/pgSQL, support SQL commands that are CREATE FUNCTION/CREATE PROCEDURE with SQL-standard bodies (Tom Lane) §
Previously, such cases failed with parsing errors due to the semicolon(s) appearing in the function body.
", "text": "In PL/pgSQL, support SQL commands that are CREATE FUNCTION/CREATE PROCEDURE with SQL-standard bodies (Tom Lane) § Previously, such cases failed with parsing errors due to the semicolon(s) appearing in the function body.", "title": "In PL/pgSQL, support SQL commands that are CREATE FUNCTION/CREATE PROCEDURE with SQL-standard bodies", "commits": ["de2d393a8"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.6/#id-1.11.6.19.5", "source_hash": "c2b1a476abb533afe3e15deb69b193f5efceb39886dd267d96bffe9a38f20921", "section_path": ["Changes"], "commit_groups": [["00f941356", "57b440ec1", "b7e8f27d1", "de2d393a8"]], "identity_text": "In PL/pgSQL, support SQL commands that are CREATE FUNCTION/CREATE PROCEDURE with SQL-standard bodies (Tom Lane) Previously, such cases failed with parsing errors due to the semicolon(s) appearing in the function body.", "commit_aliases": ["00f941356", "57b440ec1", "b7e8f27d1", "de2d393a8"], "source_commits": ["de2d393a8"], "source_entry_id": "15.6/changes/043", "db_id": "8f5f688e3de93c0b866a00ec5280ae79", "patch_ids": ["4e2d77d8fccb5f490fab7588ecfba026"], "statement_hash": "19f8f1339b6ccce81f7f136af228fc4e75eface20936e1ce24a32281866579a6", "relations": [{"rule": 2, "type": "equivalent", "target": "241793796a88e9d5acb7324979611ecc", "evidence": {"same_day": true, "patch_ids": ["4e2d77d8fccb5f490fab7588ecfba026"], "statement_hash": "19f8f1339b6ccce81f7f136af228fc4e75eface20936e1ce24a32281866579a6"}}, {"rule": 2, "type": "equivalent", "target": "28ab47a378973898906c6bbb3f71a73e", "evidence": {"same_day": true, "patch_ids": ["4e2d77d8fccb5f490fab7588ecfba026"], "statement_hash": "19f8f1339b6ccce81f7f136af228fc4e75eface20936e1ce24a32281866579a6"}}], "version": "15.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "241793796a88e9d5acb7324979611ecc", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "In PL/pgSQL, support SQL commands that are CREATE FUNCTION/CREATE PROCEDURE with SQL-standard bodies", "evidence": {"same_day": true, "patch_ids": ["4e2d77d8fccb5f490fab7588ecfba026"], "statement_hash": "19f8f1339b6ccce81f7f136af228fc4e75eface20936e1ce24a32281866579a6"}, "url": "/docs/compare/?release=16.2#16.2-f248f2124b74198e", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "28ab47a378973898906c6bbb3f71a73e", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "In PL/pgSQL, support SQL commands that are CREATE FUNCTION/CREATE PROCEDURE with SQL-standard bodies", "evidence": {"same_day": true, "patch_ids": ["4e2d77d8fccb5f490fab7588ecfba026"], "statement_hash": "19f8f1339b6ccce81f7f136af228fc4e75eface20936e1ce24a32281866579a6"}, "url": "/docs/compare/?release=14.11#14.11-7e07b5be0c57ecf5", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}]}, {"id": "15.6-78793248f5874f6b", "cves": [], "html": "Fix libpq's handling of errors in pipelines (Álvaro Herrera) § §
\nThe pipeline state could get out of sync if an error is returned for reasons other than a query problem (for example, if the connection is lost). Potentially this would lead to a busy-loop in the calling application.
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In pipeline mode, it may still be necessary to call PQflush() as well; but this change removes some inconsistency.
Avoid race condition when libpq initializes OpenSSL support concurrently in two different threads (Willi Mann, Michael Paquier) §
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\nWhen using GSSAPI encryption in non-blocking mode, libpq sometimes failed with “GSSAPI caller failed to retransmit all data needing to be retried”.
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Fix crash in contrib/intarray if an array with an element equal to INT_MAX is inserted into a gist__int_ops index (Alexander Lakhin, Tom Lane) §
Report a better error when contrib/pageinspect's hash_bitmap_info() function is applied to a partitioned hash index (Alexander Lakhin, Michael Paquier) §
Report a better error when contrib/pgstattuple's pgstathashindex() function is applied to a partitioned hash index (Alexander Lakhin) §
On Windows, suppress autorun options when launching subprocesses in pg_ctl and pg_regress (Kyotaro Horiguchi) § §
\nWhen launching a child process via cmd.exe, pass the /D flag to prevent executing any autorun commands specified in the registry. This avoids possibly-surprising side effects.
Move is_valid_ascii() from mb/pg_wchar.h to utils/ascii.h (Jubilee Young) §
This change avoids the need to include <simd.h> in pg_wchar.h, which was causing problems for some third-party code.
Fix compilation failures with libxml2 version 2.12.0 and later (Tom Lane) §
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\nWhen assigning new elements to array subscripts that are outside the current array bounds, an undetected integer overflow could occur in edge cases. Memory stomps that are potentially exploitable for arbitrary code execution are possible, and so is disclosure of server memory.
\nThe PostgreSQL Project thanks Pedro Gallegos for reporting this problem. (CVE-2023-5869)
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The documentation says that pg_signal_backend cannot issue signals to superuser-owned processes. It was able to signal these background processes, though, because they advertise a role OID of zero. Treat that as indicating superuser ownership. The security implications of cancelling one of these process types are fairly small so far as the core code goes (we'll just start another one), but extensions might add background workers that are more vulnerable.
Also ensure that the is_superuser parameter is set correctly in such processes. No specific security consequences are known for that oversight, but it might be significant for some extensions.
The PostgreSQL Project thanks Hemanth Sandrana and Mahendrakar Srinivasarao for reporting this problem. (CVE-2023-5870)
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\nFix a case where the location of a page downlink was incorrectly tracked, and introduce some logic to allow recovering from such situations rather than silently doing the wrong thing. This error could result in incorrect answers from subsequent index searches. It may be advisable to reindex all GiST indexes after installing this update.
", "text": "Fix misbehavior during recursive page split in GiST index build (Heikki Linnakangas) § Fix a case where the location of a page downlink was incorrectly tracked, and introduce some logic to allow recovering from such situations rather than silently doing the wrong thing. This error could result in incorrect answers from subsequent index searches. It may be advisable to reindex all GiST indexes after installing this update.", "title": "Fix misbehavior during recursive page split in GiST index build", "commits": ["c3c284b37"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.5/#id-1.11.6.20.5", "source_hash": "1be0564e39a77d9aef6b5061afbdf719d20b0323275f3909d836de357bfdc479", "section_path": ["Changes"], "commit_groups": [["26917ebea", "28d3c2ddc", "747cef5a5", "c3c284b37", "d7f521325", "db7394d4d"]], "identity_text": "Fix misbehavior during recursive page split in GiST index build (Heikki Linnakangas) Fix a case where the location of a page downlink was incorrectly tracked, and introduce some logic to allow recovering from such situations rather than silently doing the wrong thing. This error could result in incorrect answers from subsequent index searches. It may be advisable to reindex all GiST indexes after installing this update.", "commit_aliases": ["26917ebea", "28d3c2ddc", "747cef5a5", "c3c284b37", "d7f521325", "db7394d4d"], "source_commits": ["c3c284b37"], "source_entry_id": "15.5/changes/004", "db_id": "c1e0614a5596d77272d473d776a05d82", "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa", "relations": [{"rule": 2, "type": "equivalent", "target": "2a7ddeba40f11da483b6c48eeaebb284", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}}, {"rule": 2, "type": "equivalent", "target": "41d33305cccfb4f8758f8e889cc1bad2", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}}, {"rule": 2, "type": "equivalent", "target": "bfff1d6c07bb200f3982d273d15be0c5", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}}, {"rule": 2, "type": "equivalent", "target": "f8d168b50c33bdb06dbbba6b3a70b4c2", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}}], "version": "15.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "bfff1d6c07bb200f3982d273d15be0c5", "kind": "equivalent", "version": "16.1", "label": "16.1", "title": "Fix misbehavior during recursive page split in GiST index build", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}, "url": "/docs/compare/?release=16.1#16.1-9637104c834c3a09", "source_url": "/docs/release/16.1/#RELEASE-16-1-CHANGES"}, {"db_id": "f8d168b50c33bdb06dbbba6b3a70b4c2", "kind": "equivalent", "version": "14.10", "label": "14.10", "title": "Fix misbehavior during recursive page split in GiST index build", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}, "url": "/docs/compare/?release=14.10#14.10-d1b2459041361b0a", "source_url": "/docs/release/14.10/#id-1.11.6.20.5"}, {"db_id": "41d33305cccfb4f8758f8e889cc1bad2", "kind": "equivalent", "version": "13.13", "label": "13.13", "title": "Fix misbehavior during recursive page split in GiST index build", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}, "url": "/docs/compare/?release=13.13#13.13-39edf4f51df72bcd", "source_url": "/docs/release/13.13/#id-1.11.6.16.5"}, {"db_id": "2a7ddeba40f11da483b6c48eeaebb284", "kind": "equivalent", "version": "12.17", "label": "12.17", "title": "Fix misbehavior during recursive page split in GiST index build", "evidence": {"same_day": true, "patch_ids": ["dda8015b2cb7febbee0d8ec81b15e1f1"], "statement_hash": "5c3738c63cdf2d59adc87135bcac7d2486c5d29a6b3a04ce34d8ddb67192edfa"}, "url": "/docs/compare/?release=12.17#12.17-83be794e35c5e14a", "source_url": "/docs/release/12.17/#id-1.11.6.11.5"}]}, {"id": "15.5-04f10e64c06fbe6f", "cves": [], "html": "Prevent de-duplication of btree index entries for interval columns (Noah Misch) §
There are interval values that are distinguishable but compare equal, for example 24:00:00 and 1 day. This breaks assumptions made by btree de-duplication, so interval columns need to be excluded from de-duplication. This oversight can cause incorrect results from index-only scans. Moreover, after updating amcheck will report an error for almost all such indexes. Users should reindex any btree indexes on interval columns.
Process date values more sanely in BRIN datetime_minmax_multi_ops indexes (Tomas Vondra) §
The distance calculation for dates was backward, causing poor decisions about which entries to merge. The index still produces correct results, but is much less efficient than it should be. Reindexing BRIN minmax_multi indexes on date columns is advisable.
Process large timestamp and timestamptz values more sanely in BRIN datetime_minmax_multi_ops indexes (Tomas Vondra) § §
Infinities were mistakenly treated as having distance zero rather than a large distance from other values, causing poor decisions about which entries to merge. Also, finite-but-very-large values (near the endpoints of the representable timestamp range) could result in internal overflows, again causing poor decisions. The index still produces correct results, but is much less efficient than it should be. Reindexing BRIN minmax_multi indexes on timestamp and timestamptz columns is advisable if the column contains, or has contained, infinities or large finite values.
Avoid calculation overflows in BRIN interval_minmax_multi_ops indexes with extreme interval values (Tomas Vondra) §
This bug might have caused unexpected failures while trying to insert large interval values into such an index.
", "text": "Avoid calculation overflows in BRIN interval_minmax_multi_ops indexes with extreme interval values (Tomas Vondra) § This bug might have caused unexpected failures while trying to insert large interval values into such an index.", "title": "Avoid calculation overflows in BRIN interval_minmax_multi_ops indexes with extreme interval values", "commits": ["2fbb2fcb0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.5/#id-1.11.6.20.5", "source_hash": "f4e29178d8d2b5506991ddeca51ce229281c53f9876bb4983d343850bc1763b6", "section_path": ["Changes"], "commit_groups": [["0fa73c5cd", "2fbb2fcb0", "924e0e2ee", "c6cf6d353"]], "identity_text": "Avoid calculation overflows in BRIN interval_minmax_multi_ops indexes with extreme interval values (Tomas Vondra) This bug might have caused unexpected failures while trying to insert large interval values into such an index.", "commit_aliases": ["0fa73c5cd", "2fbb2fcb0", "924e0e2ee", "c6cf6d353"], "source_commits": ["2fbb2fcb0"], "source_entry_id": "15.5/changes/008", "db_id": "0d46d6de278474592fd1902949b38c6a", "patch_ids": ["f69516fbdcc22c3c9557dcb4756468bb"], "statement_hash": "7060b57fcbbe4f22059beee39769d34361e408eb9d35e77f1b07d7781305f71b", "relations": [{"rule": 2, "type": "equivalent", "target": "7a7219460b6cde5f0286d2baaf3f3965", "evidence": {"same_day": true, "patch_ids": ["f69516fbdcc22c3c9557dcb4756468bb"], "statement_hash": "7060b57fcbbe4f22059beee39769d34361e408eb9d35e77f1b07d7781305f71b"}}, {"rule": 2, "type": "equivalent", "target": "ddb61f045493b5688c816ae466be5ed5", "evidence": {"same_day": true, "patch_ids": ["f69516fbdcc22c3c9557dcb4756468bb"], "statement_hash": "7060b57fcbbe4f22059beee39769d34361e408eb9d35e77f1b07d7781305f71b"}}], "version": "15.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7a7219460b6cde5f0286d2baaf3f3965", "kind": "equivalent", "version": "16.1", "label": "16.1", "title": "Avoid calculation overflows in BRIN interval_minmax_multi_ops indexes with extreme interval values", "evidence": {"same_day": true, "patch_ids": ["f69516fbdcc22c3c9557dcb4756468bb"], "statement_hash": "7060b57fcbbe4f22059beee39769d34361e408eb9d35e77f1b07d7781305f71b"}, "url": "/docs/compare/?release=16.1#16.1-fae5c38c5ea997ed", "source_url": "/docs/release/16.1/#RELEASE-16-1-CHANGES"}, {"db_id": "ddb61f045493b5688c816ae466be5ed5", "kind": "equivalent", "version": "14.10", "label": "14.10", "title": "Avoid calculation overflows in BRIN interval_minmax_multi_ops indexes with extreme interval values", "evidence": {"same_day": true, "patch_ids": ["f69516fbdcc22c3c9557dcb4756468bb"], "statement_hash": "7060b57fcbbe4f22059beee39769d34361e408eb9d35e77f1b07d7781305f71b"}, "url": "/docs/compare/?release=14.10#14.10-8cc787a4aeea6139", "source_url": "/docs/release/14.10/#id-1.11.6.20.5"}]}, {"id": "15.5-d7c067d920980424", "cves": [], "html": "Fix partition step generation and runtime partition pruning for hash-partitioned tables with multiple partition keys (David Rowley) § §
\nSome cases involving an IS NULL condition on one of the partition keys could result in a crash.
Fix inconsistent rechecking of concurrently-updated rows during MERGE (Dean Rasheed) §
In READ COMMITTED mode, an update that finds that its target row was just updated by a concurrent transaction will recheck the query's WHERE conditions on the updated row. MERGE failed to ensure that the proper rows of other joined tables were used during this recheck, possibly resulting in incorrect decisions about whether the newly-updated row should be updated again by MERGE.
Correctly identify the target table in an inherited UPDATE/DELETE/MERGE even when the parent table is excluded by constraints (Amit Langote, Tom Lane) §
If the initially-named table is excluded by constraints, but not all its inheritance descendants are, the first non-excluded descendant was identified as the primary target table. This would lead to firing statement-level triggers associated with that table, rather than the initially-named table as should happen. In v16, the same oversight could also lead to “invalid perminfoindex 0 in RTE with relid NNNN” errors.
", "text": "Correctly identify the target table in an inherited UPDATE/DELETE/MERGE even when the parent table is excluded by constraints (Amit Langote, Tom Lane) § If the initially-named table is excluded by constraints, but not all its inheritance descendants are, the first non-excluded descendant was identified as the primary target table. This would lead to firing statement-level triggers associated with that table, rather than the initially-named table as should happen. In v16, the same oversight could also lead to “invalid perminfoindex 0 in RTE with relid NNNN” errors.", "title": "Correctly identify the target table in an inherited UPDATE/DELETE/MERGE even when the parent table is excluded by constraints", "commits": ["1268e7378"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.5/#id-1.11.6.20.5", "source_hash": "8660e651ab58504389628a2021fce979bb0cd62f4e66f7419b3974766e6a574b", "section_path": ["Changes"], "commit_groups": [["01575ad78", "178ee1d85"], ["1268e7378", "387f9ed0a", "8f4a6b9e4", "b1444a09d"], ["1f06b7fc6", "2bf99b48d"]], "identity_text": "Correctly identify the target table in an inherited UPDATE/DELETE/MERGE even when the parent table is excluded by constraints (Amit Langote, Tom Lane) If the initially-named table is excluded by constraints, but not all its inheritance descendants are, the first non-excluded descendant was identified as the primary target table. This would lead to firing statement-level triggers associated with that table, rather than the initially-named table as should happen. In v16, the same oversight could also lead to invalid perminfoindex 0 in RTE with relid NNNN errors.", "commit_aliases": ["01575ad78", "1268e7378", "178ee1d85", "1f06b7fc6", "2bf99b48d", "387f9ed0a", "8f4a6b9e4", "b1444a09d"], "source_commits": ["01575ad78", "1268e7378", "1f06b7fc6"], "source_entry_id": "15.5/changes/011", "db_id": "d987a075ebd403450d2fb6a4e2e4068e", "patch_ids": ["2e9435c5ff6b647b2e05bfe90186a891", "d206fd6a20b245e9b593169ba2614be6", "ddc408c57c9415868e91ac402e98520e"], "statement_hash": "2945baf49a3fa10572f71ef10fd9b38ae699b64a6fc6318346f2220ab5d40a66", "relations": [{"rule": 2, "type": "equivalent", "target": "8322f7d9982b87ba2d9974b584129577", "evidence": {"same_day": true, "patch_ids": ["2e9435c5ff6b647b2e05bfe90186a891", "d206fd6a20b245e9b593169ba2614be6", "ddc408c57c9415868e91ac402e98520e"], "statement_hash": "2945baf49a3fa10572f71ef10fd9b38ae699b64a6fc6318346f2220ab5d40a66"}}, {"rule": 2, "type": "equivalent", "target": "e611f263f407c7bd86d247f985adceab", "evidence": {"same_day": true, "patch_ids": ["2e9435c5ff6b647b2e05bfe90186a891", "d206fd6a20b245e9b593169ba2614be6", "ddc408c57c9415868e91ac402e98520e"], "statement_hash": "2945baf49a3fa10572f71ef10fd9b38ae699b64a6fc6318346f2220ab5d40a66"}}], "version": "15.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "8322f7d9982b87ba2d9974b584129577", "kind": "equivalent", "version": "16.1", "label": "16.1", "title": "Correctly identify the target table in an inherited UPDATE/DELETE/MERGE even when the parent table is excluded by constraints", "evidence": {"same_day": true, "patch_ids": ["2e9435c5ff6b647b2e05bfe90186a891", "d206fd6a20b245e9b593169ba2614be6", "ddc408c57c9415868e91ac402e98520e"], "statement_hash": "2945baf49a3fa10572f71ef10fd9b38ae699b64a6fc6318346f2220ab5d40a66"}, "url": "/docs/compare/?release=16.1#16.1-8d59fdb168b8b653", "source_url": "/docs/release/16.1/#RELEASE-16-1-CHANGES"}, {"db_id": "e611f263f407c7bd86d247f985adceab", "kind": "equivalent", "version": "14.10", "label": "14.10", "title": "Correctly identify the target table in an inherited UPDATE/DELETE/MERGE even when the parent table is excluded by constraints", "evidence": {"same_day": true, "patch_ids": ["2e9435c5ff6b647b2e05bfe90186a891", "d206fd6a20b245e9b593169ba2614be6", "ddc408c57c9415868e91ac402e98520e"], "statement_hash": "2945baf49a3fa10572f71ef10fd9b38ae699b64a6fc6318346f2220ab5d40a66"}, "url": "/docs/compare/?release=14.10#14.10-354d1c23feb774a2", "source_url": "/docs/release/14.10/#id-1.11.6.20.5"}]}, {"id": "15.5-76f04b14320b152f", "cves": [], "html": "Fix edge case in btree mark/restore processing of ScalarArrayOpExpr clauses (Peter Geoghegan) §
\nWhen restoring an indexscan to a previously marked position, the code could miss required setup steps if the scan had advanced exactly to the end of the matches for a ScalarArrayOpExpr (that is, an indexcol = ANY(ARRAY[])) clause. This could result in missing some rows that should have been fetched.
Fix intra-query memory leak in Memoize execution (Orlov Aleksej, David Rowley) §
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non-data-returning Portal (Boyu Yang) §
Throw the intended error if pgrowlocks() is applied to a partitioned table (David Rowley) §
Previously, a not-on-point complaint “only heap AM is supported” would be raised.
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Fix pg_stat_reset_single_table_counters() to do the right thing for a shared catalog (Masahiro Ikeda) §
Previously the reset would be ineffective.
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Fix over-allocation of the constructed tsvector in tsvectorrecv() (Denis Erokhin) §
If the incoming vector includes position data, the binary receive function left wasted space (roughly equal to the size of the position data) in the finished tsvector. In extreme cases this could lead to “maximum total lexeme length exceeded” failures for vectors that were under the length limit when emitted. In any case it could lead to wasted space on-disk.
Fix incorrect coding in gtsvector_picksplit() (Alexander Lakhin) §
This could lead to poor page-split decisions in GiST indexes on tsvector columns.
Improve checks for corrupt PGLZ compressed data (Flavien Guedez) §
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Recent refactoring accidentally removed the intended error check for this, such that it ended in “cache lookup failed for function 0” instead of a useful error message.
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This prevents possible misbehavior if any catalog entries for the temp tables have fields wide enough to require toasting (such as a very complex CHECK condition).
Avoid improper response to shutdown signals in child processes just forked by system() (Nathan Bossart) §
This fix avoids a race condition in which a child process that has been forked off by system(), but hasn't yet exec'd the intended child program, might receive and act on a signal intended for the parent server process. That would lead to duplicate cleanup actions being performed, which will not end well.
Cope with torn reads of pg_control in frontend programs (Thomas Munro) §
On some file systems, reading pg_control may not be an atomic action when the server concurrently writes that file. This is detectable via a bad CRC. Retry a few times to see if the file becomes valid before we report error.
Avoid torn reads of pg_control in relevant SQL functions (Thomas Munro) §
Acquire the appropriate lock before reading pg_control, to ensure we get a consistent view of that file.
Avoid integer overflow when computing size of backend activity string array (Jakub Wartak) §
\nOn 64-bit machines we will allow values of track_activity_query_size large enough to cause 32-bit overflow when multiplied by the allowed number of connections. The code actually allocating the per-backend local array was careless about this though, and allocated the array incorrectly.
Fix briefly showing inconsistent progress statistics for ANALYZE on inherited tables (Heikki Linnakangas) §
The block-level counters should be reset to zero at the same time we update the current-relation field.
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This could result in some statistics about WAL I/O being forgotten in a shutdown.
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Keep by-reference attmissingval values in a long-lived context while they are being used (Andrew Dunstan) §
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This code violated the conditions required for crash safety by writing WAL before marking changed buffers dirty. No core code uses this function, but extensions do (contrib/bloom does, for example).
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Fix failure of contrib/btree_gin indexes on interval columns, when an indexscan using the < or <= operator is performed (Dean Rasheed) §
Such an indexscan failed to return all the entries it should.
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\nThis restriction guards against SQL-injection hazards for trusted extensions.
\nThe PostgreSQL Project thanks Micah Gates, Valerie Woolard, Tim Carey-Smith, and Christoph Berg for reporting this problem. (CVE-2023-39417)
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When MERGE performs an UPDATE action, it should enforce any UPDATE or SELECT RLS policies defined on the target table, to be consistent with the way that a plain UPDATE with a WHERE clause works. Instead it was enforcing INSERT RLS policies for both INSERT and UPDATE actions.
In addition, when MERGE performs a DO NOTHING action, it applied the target table's DELETE RLS policies to existing rows, even though those rows are not being deleted. While it's not a security problem, this could result in unwanted errors.
The PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2023-39418)
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\nEach of these oversights could result in forgetting that a BRIN index range contains any NULL values, potentially allowing subsequent queries that should return NULL values to miss doing so.
\nThis fix will not in itself correct faulty BRIN entries. It's recommended to REINDEX any BRIN indexes that may be used to search for nulls.
Avoid leaving a corrupted database behind when DROP DATABASE is interrupted (Andres Freund) §
If DROP DATABASE was interrupted after it had already begun taking irreversible steps, the target database remained accessible (because the removal of its pg_database row would roll back), but it would have corrupt contents. Fix by marking the database as inaccessible before we begin to perform irreversible operations. A failure after that will leave the database still partially present, but nothing can be done with it except to issue another DROP DATABASE.
Ensure that partitioned indexes are correctly marked as valid or not at creation (Michael Paquier) §
\nIf a new partitioned index matches an existing but invalid index on one of the partitions, the partitioned index could end up being marked valid prematurely. This could lead to misbehavior or assertion failures in subsequent queries on the partitioned table.
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Such an index will now be ignored, and a new child index created instead.
", "text": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION (Michael Paquier) § Such an index will now be ignored, and a new child index created instead.", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "commits": ["7aa17b498"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.4/#id-1.11.6.21.5", "source_hash": "e257eb1bbc5a6181f582ec7282b697735f4f106589d70d3f8b8106ad6c696aa8", "section_path": ["Changes"], "commit_groups": [["6160e221d", "63b292e73", "7aa17b498", "e90e9275f", "f42844069", "fc55c7ff8"]], "identity_text": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION (Michael Paquier) Such an index will now be ignored, and a new child index created instead.", "commit_aliases": ["6160e221d", "63b292e73", "7aa17b498", "e90e9275f", "f42844069", "fc55c7ff8"], "source_commits": ["7aa17b498"], "source_entry_id": "15.4/changes/006", "db_id": "7db3a9e4fe3552005d5e3c4b3e85cc1e", "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034", "relations": [{"rule": 2, "type": "equivalent", "target": "19451ab9ffe34b7e1c649628113d80c9", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}, {"rule": 2, "type": "equivalent", "target": "5303d949e3f9f743f72e15618d9ffb24", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}, {"rule": 2, "type": "equivalent", "target": "b6be61b317cd1c448068d218b2e2f3cf", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}, {"rule": 2, "type": "equivalent", "target": "f5b368ba16a4295aae7c91549f6528dc", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}], "version": "15.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "19451ab9ffe34b7e1c649628113d80c9", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=14.9#14.9-2c2ad08c6863448a", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "5303d949e3f9f743f72e15618d9ffb24", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=13.12#13.12-91adcf03c9da47e9", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "b6be61b317cd1c448068d218b2e2f3cf", "kind": "equivalent", "version": "12.16", "label": "12.16", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=12.16#12.16-d49485ee25fe1c37", "source_url": "/docs/release/12.16/#id-1.11.6.12.5"}, {"db_id": "f5b368ba16a4295aae7c91549f6528dc", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=11.21#11.21-ed8d2265f6fd20b6", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "15.4-4c4abb957905e6a9", "cves": [], "html": "Fix possible failure when marking a partitioned index valid after all of its partitions have been attached (Michael Paquier) §
\nThe update of the index's pg_index entry could use stale data for other columns. One reported symptom is an “attempted to update invisible tuple” error.
Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema (Michael Paquier, Heikki Linnakangas) §
Erroring out if the extension contains objects in multiple schemas was always intended; but the check was mis-coded so that it would fail to detect some cases, leading to surprising behavior.
", "text": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema (Michael Paquier, Heikki Linnakangas) § Erroring out if the extension contains objects in multiple schemas was always intended; but the check was mis-coded so that it would fail to detect some cases, leading to surprising behavior.", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "commits": ["d1e0f408c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.4/#id-1.11.6.21.5", "source_hash": "63e4210d4cc9eafc48525f4ed7aa5d7d19f443cc934b25b5b4ced63cf1aafa0d", "section_path": ["Changes"], "commit_groups": [["02021f1b2", "235e716bc", "55c95f24c", "914e72e6e", "bd5ddbe86", "d1e0f408c", "f5b075adc"]], "identity_text": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema (Michael Paquier, Heikki Linnakangas) Erroring out if the extension contains objects in multiple schemas was always intended; but the check was mis-coded so that it would fail to detect some cases, leading to surprising behavior.", "commit_aliases": ["02021f1b2", "235e716bc", "55c95f24c", "914e72e6e", "bd5ddbe86", "d1e0f408c", "f5b075adc"], "source_commits": ["d1e0f408c"], "source_entry_id": "15.4/changes/008", "db_id": "ee572e2e78f4e94453e5a2c0d05c2787", "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389", "relations": [{"rule": 2, "type": "equivalent", "target": "de8bad652152a2517920f970a3e432ff", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}, {"rule": 2, "type": "equivalent", "target": "e0dceed4a03e1ebf0bc0e405f121201f", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}, {"rule": 2, "type": "equivalent", "target": "e172161639ea39f4315e46286124faea", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}, {"rule": 2, "type": "equivalent", "target": "f5a835497f9cfa508c293c67a80f1816", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}], "version": "15.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "e0dceed4a03e1ebf0bc0e405f121201f", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=14.9#14.9-fe4dce7bdf393bae", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "e172161639ea39f4315e46286124faea", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=13.12#13.12-29d076668929da6a", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "f5a835497f9cfa508c293c67a80f1816", "kind": "equivalent", "version": "12.16", "label": "12.16", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=12.16#12.16-72554a2aa1e7909d", "source_url": "/docs/release/12.16/#id-1.11.6.12.5"}, {"db_id": "de8bad652152a2517920f970a3e432ff", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=11.21#11.21-f1c55a5d7a05eae6", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "15.4-e656246161b29c42", "cves": [], "html": "Fix tracking of tables' access method dependencies (Michael Paquier) §
\nALTER TABLE ... SET ACCESS METHOD failed to update relevant pg_depend entries when changing a table's access method. When using non-built-in access methods, this creates a risk that an access method could be dropped even though tables still depend on it. This fix corrects the logic in ALTER TABLE, but it will not adjust any already-missing pg_depend entries.
Don't use partial unique indexes for uniqueness proofs in the planner (David Rowley) §
\nThis could give rise to incorrect plans, since the presumed uniqueness of rows read from a table might not hold if the index in question isn't used to scan the table.
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\nApplying Memoize to a sub-plan that contains volatile filter conditions is likely to lead to wrong answers. The check to avoid doing this missed some cases that can arise when using LATERAL.
Avoid producing incorrect plans for foreign joins with pseudoconstant join clauses (Etsuro Fujita) §
\nThe planner currently lacks support for attaching pseudoconstant join clauses to a pushed-down remote join, so disable generation of remote joins in such cases. (A better solution will require ABI-breaking changes of planner data structures, so it will have to wait for a future major release.)
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Conflicts could be missed when using bitmap heap scans, when using GIN indexes, and when examining an initially-empty btree index. All these cases could lead to serializability failures due to improperly allowing conflicting transactions to commit.
", "text": "Fix race conditions in conflict detection for SERIALIZABLE isolation mode (Thomas Munro) § § § Conflicts could be missed when using bitmap heap scans, when using GIN indexes, and when examining an initially-empty btree index. 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\nThis oversight could lead to update or delete actions in READ COMMITTED isolation mode getting performed when they should have been skipped because of a conflicting concurrent update.
Fix hash join with an inner-side hash key that contains Params coming from an outer nested loop (Tom Lane) §
\nWhen rescanning the join after the values of such Params have changed, we must rebuild the hash table, but neglected to do so. This could result in missing join output rows.
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\nIf the overall value of the composite column is wide enough to require out-of-line toasting, then an unluckily-timed cache flush could cause errors or server crashes.
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If an invalid sibling-page link is detected, log the issue and press on, rather than throwing an error as before. Nothing short of REINDEX will fix the broken index, but preventing VACUUM from completing until that is done risks making matters far worse.
Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid (Andres Freund) §
Failure to release this lock could lead to a deadlock later, although the lock would be cleaned up if the session exits or encounters some other error.
", "text": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid (Andres Freund) § Failure to release this lock could lead to a deadlock later, although the lock would be cleaned up if the session exits or encounters some other error.", "title": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid", "commits": ["82e97b864"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.4/#id-1.11.6.21.5", "source_hash": "2c09e891c67fdd2054a2fd62a4bc3681f68e4df6942f1ede0f5a87247ef899b9", "section_path": ["Changes"], "commit_groups": [["03ccc9569", "1386f0987", "53336e8f6", "7aec84e4c", "82e97b864", "83ecfa9fa", "e246fd423"]], "identity_text": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid (Andres Freund) Failure to release this lock could lead to a deadlock later, although the lock would be cleaned up if the session exits or encounters some other error.", "commit_aliases": ["03ccc9569", "1386f0987", "53336e8f6", "7aec84e4c", "82e97b864", "83ecfa9fa", "e246fd423"], "source_commits": ["82e97b864"], "source_entry_id": "15.4/changes/029", "db_id": "9e1c36701bee34cefa6f645874690e82", "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99", "relations": [{"rule": 2, "type": "equivalent", "target": "00ed0ec03b25cebab6a578b7a1cb0d5e", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}}, {"rule": 2, "type": "equivalent", "target": "894f99c5b8c44b0f88369ccb5cf92d68", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}}, {"rule": 2, "type": "equivalent", "target": "d39abc48a5fe5355d64052920a291087", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}}, {"rule": 2, "type": "equivalent", "target": "ef3bd6456d4a5f2b6208d225b50d162e", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}}], "version": "15.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "00ed0ec03b25cebab6a578b7a1cb0d5e", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}, "url": "/docs/compare/?release=14.9#14.9-1dea824292b15109", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "894f99c5b8c44b0f88369ccb5cf92d68", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}, "url": "/docs/compare/?release=13.12#13.12-5386073eae102d79", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "ef3bd6456d4a5f2b6208d225b50d162e", "kind": "equivalent", "version": "12.16", "label": "12.16", "title": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}, "url": "/docs/compare/?release=12.16#12.16-2cec84cf87742742", "source_url": "/docs/release/12.16/#id-1.11.6.12.5"}, {"db_id": "d39abc48a5fe5355d64052920a291087", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid", "evidence": {"same_day": true, "patch_ids": ["1b6b8275886323aadcadf7c2b11b0c8b"], "statement_hash": "5672c1727ae63c393bcd3714d3a6af661200d977ae1ec6b2fb9517889007db99"}, "url": "/docs/compare/?release=11.21#11.21-8f2ff860420be278", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "15.4-6bc807bdc7eebba6", "cves": [], "html": "Avoid double replay of prepared transactions during crash recovery (suyu.cmj, Michael Paquier) § §
\nAfter a crash partway through a checkpoint with some two-phase transaction state data already flushed to disk by this checkpoint, crash recovery could attempt to replay the prepared transaction(s) twice, leading to a fatal error such as “lock is already held” in the startup process.
", "text": "Avoid double replay of prepared transactions during crash recovery (suyu.cmj, Michael Paquier) § § After a crash partway through a checkpoint with some two-phase transaction state data already flushed to disk by this checkpoint, crash recovery could attempt to replay the prepared transaction(s) twice, leading to a fatal error such as “lock is already held” in the startup process.", "title": "Avoid double replay of prepared transactions during crash recovery", "commits": ["a878eff6b", "f6ecd2622"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.4/#id-1.11.6.21.5", "source_hash": "46907b2a80da0405d6ece0150e1d4db3a22907a55a59741f8f1d65637ed19504", "section_path": ["Changes"], "commit_groups": [["410a0d6bd", "4e465aac3", "6c7bffc09", "763d26205", "926aa6d11", "b3ca4f0a5", "f6ecd2622"], ["442749100", "a878eff6b", "bc0581f8f", "cb0cca188", "d2ee542a2", "db59108a2", "f88bc9f38"]], "identity_text": "Avoid double replay of prepared transactions during 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Without this, if there is an operating system crash causing the empty file to disappear, subsequent operations on the table might fail with “could not open file” errors.
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\nTreat this case as plain end-of-WAL to avoid logging inaccurate complaints from pg_waldump and walsender.
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This assertion failed if a query applied the .type() operator to a like_regex result. There was no bug in non-assert builds.
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Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely (Alexander Lakhin, Tom Lane) §
An input string containing no alphabetic characters resulted in unpredictable output.
", "text": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely (Alexander Lakhin, Tom Lane) § An input string containing no alphabetic characters resulted in unpredictable output.", "title": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely", "commits": ["eaf99e4c4"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.4/#id-1.11.6.21.5", "source_hash": "ddadc60b904545750746cae203c3694d88f3a1035a46097b30cafe2c70dd2622", "section_path": ["Changes"], "commit_groups": [["0409c7fc7", "0966291a4", "1d369c9e9", "8084bf9a4", "ccd362325", "eaf99e4c4"]], "identity_text": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely (Alexander Lakhin, Tom Lane) An input string containing no alphabetic characters resulted in unpredictable output.", "commit_aliases": ["0409c7fc7", "0966291a4", "1d369c9e9", "8084bf9a4", "ccd362325", "eaf99e4c4"], "source_commits": ["eaf99e4c4"], "source_entry_id": "15.4/changes/037", "db_id": "34d5b4cf8a88654524cbffb522fbc041", "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045", "relations": [{"rule": 2, "type": "equivalent", "target": "589ea7ef503eabaab241162ee498d78e", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}}, {"rule": 2, "type": "equivalent", "target": "707bef99ea3bf43e9dee5969a332577e", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}}, {"rule": 2, "type": "equivalent", "target": "f044f495f143f1e40ea5915212b4ff95", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}}, {"rule": 2, "type": "equivalent", "target": "fe9f918f9bcecc834808b9cb4ea0a1f7", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}}], "version": "15.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "589ea7ef503eabaab241162ee498d78e", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}, "url": "/docs/compare/?release=14.9#14.9-0a97905cb225f378", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "f044f495f143f1e40ea5915212b4ff95", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}, "url": "/docs/compare/?release=13.12#13.12-5efb34abb8063d41", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "707bef99ea3bf43e9dee5969a332577e", "kind": "equivalent", "version": "12.16", "label": "12.16", "title": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}, "url": "/docs/compare/?release=12.16#12.16-208f6a8de3b96b7a", "source_url": "/docs/release/12.16/#id-1.11.6.12.5"}, {"db_id": "fe9f918f9bcecc834808b9cb4ea0a1f7", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Fix contrib/fuzzystrmatch's Soundex difference() function to handle empty input sanely", "evidence": {"same_day": true, "patch_ids": ["3573a685e45d88a982ac87901164de13"], "statement_hash": "41cfc6fd0465472261ed2041a5a196fd0b52c4932e72d4182522290e79522045"}, "url": "/docs/compare/?release=11.21#11.21-53631a1688df68bc", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "15.4-39befbe9153a0ab7", "cves": [], "html": "Tighten whitespace checks in contrib/hstore input (Evan Jones) §
In some cases, characters would be falsely recognized as whitespace and hence discarded.
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Previously this code would report a NOTICE but press on anyway, creating an invalid index entry that presents a risk of crashes when the index is read.
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In psql, ignore the PSQL_WATCH_PAGER environment variable when stdin/stdout are not a terminal (Tom Lane) §
This corresponds to the treatment of PSQL_PAGER in commands besides \\watch.
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This value could be stale in some cases. There is no core code that relies on the relation cache's copy, so this is only a latent bug as far as Postgres itself is concerned; but there may be extensions for which it is a live bug.
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Within a CREATE SCHEMA command, objects in the prevailing search_path, as well as those in the newly-created schema, would be visible even within a called function or script that attempted to set a secure search_path. This could allow any user having permission to create a schema to hijack the privileges of a security definer function or extension script.
The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2023-2454)
", "text": "Prevent CREATE SCHEMA from defeating changes in search_path (Alexander Lakhin) § § Within a CREATE SCHEMA command, objects in the prevailing search_path, as well as those in the newly-created schema, would be visible even within a called function or script that attempted to set a secure search_path. This could allow any user having permission to create a schema to hijack the privileges of a security definer function or extension script. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2023-2454)", "title": "Prevent CREATE SCHEMA from defeating changes in search_path", "commits": ["1b761d896", "dbd5795e7"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "5900ab957e3fade6653af7c723999cee397928e5cf0ec31597cdfdf8bde00ebf", "section_path": ["Changes"], "commit_groups": [["01e8182c7", "2212f7db8", "23cb8eaeb", "681d9e462", "78119a0bf", "dbd5795e7"], ["1913f63dc", "1b761d896", "2cd843cc9", "766e06140", "8d525d7b9", "feb9e7fbb"]], "identity_text": "Prevent CREATE SCHEMA from defeating changes in search_path (Alexander Lakhin) Within a CREATE SCHEMA command, objects in the prevailing search_path, as well as those in the newly-created schema, would be visible even within a called function or script that attempted to set a secure search_path. This could allow any user having permission to create a schema to hijack the privileges of a security definer function or extension script. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. 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\nIf a set-returning SQL-language function refers to a table having row-level security policies, and it can be inlined into a calling query, those RLS policies would not get enforced properly in some cases involving re-using a cached plan under a different role. This could allow a user to see or modify rows that should have been invisible.
\nThe PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2023-2455)
", "text": "Enforce row-level security policies correctly after inlining a set-returning function (Stephen Frost, Tom Lane) § If a set-returning SQL-language function refers to a table having row-level security policies, and it can be inlined into a calling query, those RLS policies would not get enforced properly in some cases involving re-using a cached plan under a different role. This could allow a user to see or modify rows that should have been invisible. The PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2023-2455)", "title": "Enforce row-level security policies correctly after inlining a set-returning function", "commits": ["04e560604"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "3d834627027abd3c2975576bee1fa8b8a64fa8823a6a80be395191bfe674b431", "section_path": ["Changes"], "commit_groups": [["04e560604", "473626cf0", "b8e28f04f", "ca73753b0", "ee87b482c", "f8d799eda"]], "identity_text": "Enforce row-level security policies correctly after inlining a set-returning function (Stephen Frost, Tom Lane) If a set-returning SQL-language function refers to a table having row-level security policies, and it can be inlined into a calling query, those RLS policies would not get enforced properly in some cases involving re-using a cached plan under a different role. This could allow a user to see or modify rows that should have been invisible. The PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2023-2455)", "commit_aliases": ["04e560604", "473626cf0", "b8e28f04f", "ca73753b0", "ee87b482c", "f8d799eda"], "source_commits": ["04e560604"], "source_entry_id": "15.3/changes/002", "db_id": "dd2ddc6e82a946def7a3caba9afd1173", "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d", "relations": [{"rule": 2, "type": "equivalent", "target": "175c37292cf50bc4869bbfb5e9472d2a", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}}, {"rule": 2, "type": "equivalent", "target": "56a82fdaa488d4b22300876173295c83", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}}, {"rule": 2, "type": "equivalent", "target": "a054b6ea9d929ddee95eed6d01b8afc0", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}}, {"rule": 2, "type": "equivalent", "target": "c22d180d4b2a5043a0ec0be716169dd5", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}}], "version": "15.3", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "175c37292cf50bc4869bbfb5e9472d2a", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Enforce row-level security policies correctly after inlining a set-returning function", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}, "url": "/docs/compare/?release=14.8#14.8-59120cdbb1e5d2b1", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "56a82fdaa488d4b22300876173295c83", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Enforce row-level security policies correctly after inlining a set-returning function", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}, "url": "/docs/compare/?release=13.11#13.11-dceb56ebe5dfd791", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "c22d180d4b2a5043a0ec0be716169dd5", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Enforce row-level security policies correctly after inlining a set-returning function", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}, "url": "/docs/compare/?release=12.15#12.15-9415a6aefb232162", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "a054b6ea9d929ddee95eed6d01b8afc0", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Enforce row-level security policies correctly after inlining a set-returning function", "evidence": {"same_day": true, "patch_ids": ["f251614e67673b492d74946d7ce53215"], "statement_hash": "f929a0696fdb402d52d0b45f9446c58bf74691a014be129e2b77df3ff381e69d"}, "url": "/docs/compare/?release=11.20#11.20-c93086f1441060d9", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-03cc9614e2c13f3e", "cves": [], "html": "Fix potential corruption of the template (source) database after CREATE DATABASE with the STRATEGY WAL_LOG option (Nathan Bossart, Ryo Matsumura) §
Improper buffer handling created a risk that any later modification of the template's pg_class catalog would be lost.
Fix memory leakage and unnecessary disk reads during CREATE DATABASE with the STRATEGY WAL_LOG option (Andres Freund) §
Avoid crash when the new schema name is omitted in CREATE SCHEMA (Michael Paquier) §
The SQL standard allows writing CREATE SCHEMA AUTHORIZATION , with the schema name defaulting to owner_nameowner_name. However some code paths expected the schema name to be present and would fail.
Fix various planner failures with MERGE commands (Tom Lane) § §
Planning could fail with errors like “variable not found in subplan target list” or “PlaceHolderVar found where not expected”.
", "text": "Fix various planner failures with MERGE commands (Tom Lane) § § Planning could fail with errors like “variable not found in subplan target list” or “PlaceHolderVar found where not expected”.", "title": "Fix various planner failures with MERGE commands", "commits": ["3908d6ae1", "bf5c4b3d9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "7fe4901cad4fcca6c43fbc77c1b2ce76be272864ce8bf981c1af6e4f5f9c6cd3", "section_path": ["Changes"], "commit_groups": [["326a33a28", "bf5c4b3d9"], ["3908d6ae1", "e3ac85014"]], "identity_text": "Fix various planner failures with MERGE commands (Tom Lane) Planning could fail with errors like variable not found in subplan target list or PlaceHolderVar found where not expected.", "commit_aliases": ["326a33a28", "3908d6ae1", "bf5c4b3d9", "e3ac85014"], "source_commits": ["3908d6ae1", "bf5c4b3d9"], "source_entry_id": "15.3/changes/006", "db_id": "997b49fce97281b571fdea604bdf6cc6", "patch_ids": ["5186d4b3c28f326c0cd43f1ae5c0e1d6", "8f8a333266e69374c2ceeb2d13eda1d4"], "statement_hash": "c2c3b8d05824e1d2523289224b152fbeb3dabd1deac9db7163a236ece1742d4a", "relations": [], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "15.3-1a20010073b6a685", "cves": [], "html": "Fix the row count reported by MERGE for some corner cases (Dean Rasheed) § §
The row count reported in the command tag counted rows that actually hadn't been modified due to a BEFORE ROW trigger returning NULL. This is inconsistent with what happens in plain UPDATE or DELETE, so change it to not count such rows. Also, avoid counting a row twice when MERGE moves it into a different partition of a partitioned table.
Fix MERGE problems with concurrent updates (Dean Rasheed, Álvaro Herrera) § §
Some cases misbehaved if a row to be updated or deleted by MERGE had just been updated by a concurrent transaction. This could lead to a crash, or the wrong merge action being executed, or no action at all.
Add support for decompiling MERGE commands (Álvaro Herrera) §
This was overlooked when MERGE was added, but it's essential support for MERGE in new-style SQL functions.
Fix enabling/disabling of foreign-key triggers in partitioned tables (Tom Lane) §
\nALTER TABLE ... ENABLE/DISABLE TRIGGER failed if applied to a partitioned table's foreign-key enforcement triggers, because it tried to locate the clone triggers for the partitions by name, and they do not have the same name. Locate them by parent-trigger OID instead.
Disallow altering composite types that are stored in indexes (Tom Lane) §
\nALTER TYPE disallows non-binary-compatible modifications of composite types if they are stored in any table columns. (Perhaps that will be allowed someday, but it hasn't happened yet; the locking implications of rewriting many tables are daunting.) We overlooked the possibility that an index might contain a composite type that doesn't also appear in its table.
Disallow system columns as elements of foreign keys (Tom Lane) §
\nSince the removal of OID as a system column, there is no plausible use-case for this, and various bits of code no longer support it. Disallow it rather than trying to fix all the cases.
", "text": "Disallow system columns as elements of foreign keys (Tom Lane) § Since the removal of OID as a system column, there is no plausible use-case for this, and various bits of code no longer support it. Disallow it rather than trying to fix all the cases.", "title": "Disallow system columns as elements of foreign keys", "commits": ["6e3698173"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "dcc7db2a8c0cfb93f5459b2b0e24162a6093e2e4b15673965dd30d3683a7eebe", "section_path": ["Changes"], "commit_groups": [["6e3698173", "b0b55d8b8", "bfb993b1b", "e8d74aac5", "f0d65c0ea"]], "identity_text": "Disallow system columns as elements of foreign keys (Tom Lane) Since the removal of OID as a system column, there is no plausible use-case for this, and various bits of code no longer support it. Disallow it rather than trying to fix all the cases.", "commit_aliases": ["6e3698173", "b0b55d8b8", "bfb993b1b", "e8d74aac5", "f0d65c0ea"], "source_commits": ["6e3698173"], "source_entry_id": "15.3/changes/012", "db_id": "680f0ffa8d5cec0d2b1dc53adeab8941", "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae", "relations": [{"rule": 2, "type": "equivalent", "target": "4f04e046ee4a22c37e3f3e878bc32bc9", "evidence": {"same_day": true, "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae"}}, {"rule": 2, "type": "equivalent", "target": "8c15f1f28959a899a767d4a1e12bc9dc", "evidence": {"same_day": true, "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae"}}, {"rule": 2, "type": "equivalent", "target": "cdb15c892dc70a1f810ff950f8aeb1d2", "evidence": {"same_day": true, "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "8c15f1f28959a899a767d4a1e12bc9dc", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Disallow system columns as elements of foreign keys", "evidence": {"same_day": true, "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae"}, "url": "/docs/compare/?release=14.8#14.8-1af3495b5e2faba5", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "cdb15c892dc70a1f810ff950f8aeb1d2", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Disallow system columns as elements of foreign keys", "evidence": {"same_day": true, "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae"}, "url": "/docs/compare/?release=13.11#13.11-136f461b916e50cf", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "4f04e046ee4a22c37e3f3e878bc32bc9", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Disallow system columns as elements of foreign keys", "evidence": {"same_day": true, "patch_ids": ["7b03a73452f64a03835eb73c8a744379"], "statement_hash": "8c2c0004eee1c4e22834db32a72e488ed277334a2a8a65442b23c854046d57ae"}, "url": "/docs/compare/?release=12.15#12.15-d48691f44539193f", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}]}, {"id": "15.3-5063694f08784fde", "cves": [], "html": "Ensure that COPY TO from an RLS-enabled parent table does not copy any rows from child tables (Antonin Houska) §
The documentation is quite clear that COPY TO copies rows from only the named table, not any inheritance children it may have. However, if row-level security was enabled on the table then this stopped being true.
Avoid possible crash when array_position() or array_positions() is passed an empty array (Tom Lane) §
Fix possible out-of-bounds fetch in to_char() (Tom Lane) §
With bad luck this could have resulted in a server crash.
", "text": "Fix possible out-of-bounds fetch in to_char() (Tom Lane) § With bad luck this could have resulted in a server crash.", "title": "Fix possible out-of-bounds fetch in to_char()", "commits": ["a67c75f82"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "0fd7f52b696a34392ce8ead0114cc61005cb0d7eb9ab7e9b7c22da01ae973c77", "section_path": ["Changes"], "commit_groups": [["386a26023", "6d3a9a60f", "7cac19105", "8e33fb9ef", "a67c75f82", "b081fe419"]], "identity_text": "Fix possible out-of-bounds fetch in to_char() (Tom Lane) With bad luck this could have resulted in a server crash.", "commit_aliases": ["386a26023", "6d3a9a60f", "7cac19105", "8e33fb9ef", "a67c75f82", "b081fe419"], "source_commits": ["a67c75f82"], "source_entry_id": "15.3/changes/015", "db_id": "42ba019016698c769bb250dee594a7e0", "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a", "relations": [{"rule": 2, "type": "equivalent", "target": "20dfa9dc183926770815330b4aa5faf8", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}}, {"rule": 2, "type": "equivalent", "target": "796e34e4912d7246340ca061a7556409", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}}, {"rule": 2, "type": "equivalent", "target": "827b035a1381bf1e58cb6854bc638f58", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}}, {"rule": 2, "type": "equivalent", "target": "d93e8b82ca536ee3ddfff831e47aced5", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}}], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d93e8b82ca536ee3ddfff831e47aced5", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix possible out-of-bounds fetch in to_char()", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}, "url": "/docs/compare/?release=14.8#14.8-f43d81003d16e898", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "827b035a1381bf1e58cb6854bc638f58", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix possible out-of-bounds fetch in to_char()", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}, "url": "/docs/compare/?release=13.11#13.11-51d458a3466ac845", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "796e34e4912d7246340ca061a7556409", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Fix possible out-of-bounds fetch in to_char()", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}, "url": "/docs/compare/?release=12.15#12.15-70991f3d92aa5be4", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "20dfa9dc183926770815330b4aa5faf8", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix possible out-of-bounds fetch in to_char()", "evidence": {"same_day": true, "patch_ids": ["83d04b0a28fd2fc694f76f488cd7da9e"], "statement_hash": "7bc935959f77f68b172e7eb458aeeea0747d4974184870152adee44d23e91e9a"}, "url": "/docs/compare/?release=11.20#11.20-6129c9929a42a1de", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-082c0c1843541fb5", "cves": [], "html": "Avoid buffer overread in translate() function (Daniil Anisimov) §
When using the deletion feature, the function might fetch the byte just after the input string, creating a small risk of crash.
", "text": "Avoid buffer overread in translate() function (Daniil Anisimov) § When using the deletion feature, the function might fetch the byte just after the input string, creating a small risk of crash.", "title": "Avoid buffer overread in translate() function", "commits": ["eae09137d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "3f52e105a4f7d4ebe4e051be6025a06b7e6050f8eb23fb5b241db5497011e894", "section_path": ["Changes"], "commit_groups": [["1a9356f65", "3b37e8442", "b162660d3", "b1a9d8ef2", "d7056bc1c", "eae09137d"]], "identity_text": "Avoid buffer overread in translate() function (Daniil Anisimov) When using the deletion feature, the function might fetch the byte just after the input string, creating a small risk of crash.", "commit_aliases": ["1a9356f65", "3b37e8442", "b162660d3", "b1a9d8ef2", "d7056bc1c", "eae09137d"], "source_commits": ["eae09137d"], "source_entry_id": "15.3/changes/016", "db_id": "2765df33c378089f5b28ee5fce002ddb", "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7", "relations": [{"rule": 2, "type": "equivalent", "target": "17f660047a1a09494be5fc3da930508b", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}, {"rule": 2, "type": "equivalent", "target": "38d375e0426a748c5f71658e410e489f", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}, {"rule": 2, "type": "equivalent", "target": "96e4ac2e25f7ba95aa4affe03528f2a6", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}, {"rule": 2, "type": "equivalent", "target": "cbd5a0460f97cc6201f037c9435f7600", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "cbd5a0460f97cc6201f037c9435f7600", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=14.8#14.8-72731c80332d3b00", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "17f660047a1a09494be5fc3da930508b", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=13.11#13.11-a561dbb220cd5c3a", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "96e4ac2e25f7ba95aa4affe03528f2a6", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=12.15#12.15-02d9d93e2133a6b3", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "38d375e0426a748c5f71658e410e489f", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=11.20#11.20-88fa0c67eedf159d", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-a9fef064e4e779cc", "cves": [], "html": "Adjust text-search-related character classification logic to correctly detect whether the prevailing locale is C (Jeff Davis) §
This code got confused if the database's default collation uses ICU.
", "text": "Adjust text-search-related character classification logic to correctly detect whether the prevailing locale is C (Jeff Davis) § This code got confused if the database's default collation uses ICU.", "title": "Adjust text-search-related character classification logic to correctly detect whether the prevailing locale is C", "commits": ["8b87e9291"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "6f27bf0f727152f29d258209c26d5c6bfc8029c3a60e8f0b4286b9e23e511c04", "section_path": ["Changes"], "commit_groups": [["8b87e9291", "f413941f4"]], "identity_text": "Adjust text-search-related character classification logic to correctly detect whether the prevailing locale is C (Jeff Davis) This code got confused if the database's default collation uses ICU.", "commit_aliases": ["8b87e9291", "f413941f4"], "source_commits": ["8b87e9291"], "source_entry_id": "15.3/changes/017", "db_id": "f67b8a3bbd439a14e8b3a832aa34af29", "patch_ids": ["e0520b62386fba91b3f251044b666a8d"], "statement_hash": "3df0e2ec51ead27ba65abb9a67d9e4a5305e808ba24a052e01e0fdf053bfa700", "relations": [], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "15.3-e4694af72e99c38b", "cves": [], "html": "Avoid possible crash on empty input for type interval (Tom Lane) §
Re-allow exponential notation in ISO-8601 interval fields (Tom Lane) §
\nInterval input like P0.1e10D isn't officially sanctioned by ISO-8601, but we accepted it for a long time before version 15, so re-allow it.
Fix error cursor setting for parse errors in JSON string literals (Tom Lane) §
\nMost cases in which a syntax error is detected in a string literal within a JSON value failed to set the error cursor appropriately. This led at least to an unhelpful error message (pointing to the token before the string, rather than the actual trouble spot), and could even result in a crash in v14 and later.
", "text": "Fix error cursor setting for parse errors in JSON string literals (Tom Lane) § Most cases in which a syntax error is detected in a string literal within a JSON value failed to set the error cursor appropriately. This led at least to an unhelpful error message (pointing to the token before the string, rather than the actual trouble spot), and could even result in a crash in v14 and later.", "title": "Fix error cursor setting for parse errors in JSON string literals", "commits": ["74a1a36d7"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "58eb2067f28868a75bf8c1c6b59b5aeff063e743f45c8a8519c0e89dff5a64b0", "section_path": ["Changes"], "commit_groups": [["0ee9d685d", "234941a3b", "25a7812cd", "52e9a7816", "74a1a36d7", "c25a929a6"]], "identity_text": "Fix error cursor setting for parse errors in JSON string literals (Tom Lane) Most cases in which a syntax error is detected in a string literal within a JSON value failed to set the error cursor appropriately. This led at least to an unhelpful error message (pointing to the token before the string, rather than the actual trouble spot), and could even result in a crash in v14 and later.", "commit_aliases": ["0ee9d685d", "234941a3b", "25a7812cd", "52e9a7816", "74a1a36d7", "c25a929a6"], "source_commits": ["74a1a36d7"], "source_entry_id": "15.3/changes/020", "db_id": "c06a74fd4edfe6b239665114b4479916", "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d", "relations": [{"rule": 2, "type": "equivalent", "target": "011f7040c014189a42164f343d31b3f8", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}, {"rule": 2, "type": "equivalent", "target": "2175f0c6ed74b7a1a10f561f87bb703f", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}, {"rule": 2, "type": "equivalent", "target": "93224a9aa64813edfe967e815740f49b", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}, {"rule": 2, "type": "equivalent", "target": "ec18aa6893185a53716843926df09a2b", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ec18aa6893185a53716843926df09a2b", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=14.8#14.8-bca48db8726a99c0", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "011f7040c014189a42164f343d31b3f8", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=13.11#13.11-b8d4de91aa0b6768", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "2175f0c6ed74b7a1a10f561f87bb703f", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=12.15#12.15-f036166bdbd3cf03", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "93224a9aa64813edfe967e815740f49b", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=11.20#11.20-1adc8e0b7be0e401", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-f8d2e15008d51d0e", "cves": [], "html": "Fix data corruption due to vacuum_defer_cleanup_age being larger than the current 64-bit xid (Andres Freund) §
In v14 and later with non-default settings of vacuum_defer_cleanup_age, it was possible to compute a very large vacuum cleanup horizon xid, leading to vacuum removing rows that are still live. v12 and v13 have a lesser form of the same problem affecting only GiST indexes, which could lead to index pages getting recycled too early.
Fix parser's failure to detect some cases of improperly-nested aggregates (Tom Lane) §
\nThis oversight could lead to executor failures for queries that should have been rejected as invalid.
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This can lead to trouble if an event trigger captures the corrupted parse tree.
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\nThis planner oversight could lead to “subplan was not initialized” errors at runtime.
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\nUse of dependency-type extended statistics could fail with “PlaceHolderVar found where not expected”.
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Correctly detect overflow of the total space needed for the result array, avoiding a possible crash due to undersized output allocation. Also ensure that any trailing padding space in the result array is zeroed; while leaving garbage there is harmless for most purposes, it can result in odd behavior later.
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\nPruning with a condition like boolcol IS NOT TRUE was done incorrectly, leading to possibly not returning rows in which boolcol is NULL. Also, the rather unlikely case of partitioning on NOT boolcol was handled incorrectly.
Fix race condition in per-batch cleanup during parallel hash join (Thomas Munro, Melanie Plageman) §
\nA crash was possible given unlucky timing and parallel_leader_participation = off (which is not the default).
Recalculate GENERATED columns after an EvalPlanQual check (Tom Lane) §
In READ COMMITTED isolation mode, the effects of a row update might need to get reapplied to a newer version of the row than the query found originally. If so, we need to recompute any GENERATED columns, in case they depend on columns that were changed by the concurrent update.
Fix memory leak in Memoize plan execution (David Rowley) §
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Don't balance vacuum cost delay when a table has a per-relation vacuum_cost_delay setting of zero (Masahiko Sawada) §
Delay balancing is supposed to be disabled whenever autovacuum is processing a table with a per-relation vacuum_cost_delay setting, but this was done only for positive settings, not zero.
Fix corner-case crashes when columns have been added to the end of a view (Tom Lane) §
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\nUse of the syntax INSERT ... ON CONFLICT DO UPDATE SET (c1, ...) = (SELECT ...) with a partitioned target table could result in failure if any child table is dissimilar from the parent (for example, different physical column order). This typically manifested as failure of consistency checks in the executor; but a crash or incorrect data updates are also possible.
Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule (Dean Rasheed) §
Such cases typically failed with “unrecognized node type” errors or assertion failures.
", "text": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule (Dean Rasheed) § Such cases typically failed with “unrecognized node type” errors or assertion failures.", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "commits": ["940b54743"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "8534c9d48ca006e72b643730897428339e53c18dd591478cbd5ee816e647237d", "section_path": ["Changes"], "commit_groups": [["226da3d47", "75c737636", "940b54743", "98b83b734", "e68b133c3", "f0423bea7"]], "identity_text": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule (Dean Rasheed) Such cases typically failed with unrecognized node type errors or assertion failures.", "commit_aliases": ["226da3d47", "75c737636", "940b54743", "98b83b734", "e68b133c3", "f0423bea7"], "source_commits": ["940b54743"], "source_entry_id": "15.3/changes/039", "db_id": "fb077e618ddc11ef571eb88941f6dcf9", "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4", "relations": [{"rule": 2, "type": "equivalent", "target": "0360909758f1050df325466601676161", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}, {"rule": 2, "type": "equivalent", "target": "286af72d75446c44360c32392e2481af", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}, {"rule": 2, "type": "equivalent", "target": "4a1e70d50815c66ffff6270920784cc2", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}, {"rule": 2, "type": "equivalent", "target": "7a2f6aad0f1c899655ebf10ef36ff88c", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7a2f6aad0f1c899655ebf10ef36ff88c", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=14.8#14.8-ad8a56bde4268946", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "0360909758f1050df325466601676161", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=13.11#13.11-83846ee239973d01", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "286af72d75446c44360c32392e2481af", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=12.15#12.15-8d25e024ac33a32a", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "4a1e70d50815c66ffff6270920784cc2", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=11.20#11.20-7d5acf01b953f13c", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-aab96222be87a71b", "cves": [], "html": "Support references to OLD and NEW within subqueries in rule actions (Dean Rasheed, Tom Lane) §
Such references are really lateral references, but the server could crash if the subquery wasn't explicitly marked with LATERAL. Arrange to do that implicitly when necessary.
When decompiling a rule or SQL function body containing INSERT/UPDATE/DELETE within WITH, take care to print the correct alias for the target table (Tom Lane) §
Fix glitches in SERIALIZABLE READ ONLY optimization (Thomas Munro) § §
Transactions already marked as “doomed” confused the safe-snapshot optimization for SERIALIZABLE READ ONLY transactions. The optimization was unnecessarily skipped in some cases. In other cases an assertion failure occurred (but there was no problem in non-assert builds).
Avoid leaking cache callback slots in the pgoutput logical decoding plugin (Shi Yu) §
Multiple cycles of starting up and shutting down the plugin within a single session would eventually lead to an “out of relcache_callback_list slots” error.
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\nThis change fixes some cases where an unexpected error was thrown.
", "text": "Avoid unnecessary calls to custom validators for index operator class options (Alexander Korotkov) § This change fixes some cases where an unexpected error was thrown.", "title": "Avoid unnecessary calls to custom validators for index operator class options", "commits": ["6e7361c85"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "fc8c1ca008fdb091f01f7eadc8b13189a04cefc4d22eafc63d8d4117010c683c", "section_path": ["Changes"], "commit_groups": [["02191136c", "6e7361c85", "9ef5a3583", "cd115c353"]], "identity_text": "Avoid unnecessary calls to custom validators for index operator class options (Alexander Korotkov) This change fixes some cases where an unexpected error was thrown.", "commit_aliases": ["02191136c", "6e7361c85", "9ef5a3583", "cd115c353"], "source_commits": ["6e7361c85"], "source_entry_id": "15.3/changes/044", "db_id": "fab631771576a05345dfde2d2b91b0c1", "patch_ids": ["30e6037bf79dafe21ade20e221bb0237"], "statement_hash": "35d5cb2cc1d15a99580d9683a72f230e09d0c063263e594cdb93ecfa27ef1e83", "relations": [{"rule": 2, "type": "equivalent", "target": "11add981bff76ae646b9e06f53d4744d", "evidence": {"same_day": true, "patch_ids": ["30e6037bf79dafe21ade20e221bb0237"], "statement_hash": "35d5cb2cc1d15a99580d9683a72f230e09d0c063263e594cdb93ecfa27ef1e83"}}, {"rule": 2, "type": "equivalent", "target": "d7439c5bf561cba69bc6dac6c54a4016", "evidence": {"same_day": true, "patch_ids": ["30e6037bf79dafe21ade20e221bb0237"], "statement_hash": "35d5cb2cc1d15a99580d9683a72f230e09d0c063263e594cdb93ecfa27ef1e83"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "11add981bff76ae646b9e06f53d4744d", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Avoid unnecessary calls to custom validators for index operator class options", "evidence": {"same_day": true, "patch_ids": ["30e6037bf79dafe21ade20e221bb0237"], "statement_hash": "35d5cb2cc1d15a99580d9683a72f230e09d0c063263e594cdb93ecfa27ef1e83"}, "url": "/docs/compare/?release=14.8#14.8-7471a65012ef2761", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "d7439c5bf561cba69bc6dac6c54a4016", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Avoid unnecessary calls to custom validators for index operator class options", "evidence": {"same_day": true, "patch_ids": ["30e6037bf79dafe21ade20e221bb0237"], "statement_hash": "35d5cb2cc1d15a99580d9683a72f230e09d0c063263e594cdb93ecfa27ef1e83"}, "url": "/docs/compare/?release=13.11#13.11-dff2feae3064a8bb", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}]}, {"id": "15.3-67e0883e23e1a071", "cves": [], "html": "Avoid useless work while scanning a multi-column BRIN index with multiple scan keys (Tomas Vondra) §
\nThe existing code effectively considered only the last scan key while deciding whether a range matched, thus usually scanning more of the index than it needed to.
", "text": "Avoid useless work while scanning a multi-column BRIN index with multiple scan keys (Tomas Vondra) § The existing code effectively considered only the last scan key while deciding whether a range matched, thus usually scanning more of the index than it needed to.", "title": "Avoid useless work while scanning a multi-column BRIN index with multiple scan keys", "commits": ["305d89ad9"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "24b9da443e4f4ac29a9a4d9db1acb6f17514dfb46073f6968182b6c63cc63f33", "section_path": ["Changes"], "commit_groups": [["305d89ad9", "e72910f80", "f3daa3116"]], "identity_text": "Avoid useless work while scanning a multi-column BRIN index with multiple scan keys (Tomas Vondra) The existing code effectively considered only the last scan key while deciding whether a range matched, thus usually scanning more of the index than it needed to.", "commit_aliases": ["305d89ad9", "e72910f80", "f3daa3116"], "source_commits": ["305d89ad9"], "source_entry_id": "15.3/changes/045", "db_id": "b00444c6ca71997e5ace852cd381d691", "patch_ids": ["63aaea1a334669c9cc10af684ebba40a"], "statement_hash": "932cb1154ad429a63b044a4a4f7e41c5ff193a52d601e1ad7d84541c379b3090", "relations": [{"rule": 2, "type": "equivalent", "target": "ab8f7d3bca0ae59cbc4ff17074b7d699", "evidence": {"same_day": true, "patch_ids": ["63aaea1a334669c9cc10af684ebba40a"], "statement_hash": "932cb1154ad429a63b044a4a4f7e41c5ff193a52d601e1ad7d84541c379b3090"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ab8f7d3bca0ae59cbc4ff17074b7d699", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Avoid useless work while scanning a multi-column BRIN index with multiple scan keys", "evidence": {"same_day": true, "patch_ids": ["63aaea1a334669c9cc10af684ebba40a"], "statement_hash": "932cb1154ad429a63b044a4a4f7e41c5ff193a52d601e1ad7d84541c379b3090"}, "url": "/docs/compare/?release=14.8#14.8-aa5f6c4a9b8c97e6", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}]}, {"id": "15.3-169d5198ab9e9c35", "cves": [], "html": "Fix netmask handling in BRIN inet_minmax_multi_ops opclass (Tomas Vondra) §
\nThis error triggered an assertion failure in assert-enabled builds, but is mostly harmless in production builds.
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\nThis error seems to usually be harmless in production builds, as the fetched value is noncritical; but in principle it could cause a server crash.
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\nReplication with the REPLICA IDENTITY FULL option failed if the table contained such columns.
Correct the name of the wait event for SLRU buffer I/O for commit timestamps (Alexander Lakhin) §
\nThis wait event is named CommitTsBuffer according to the documentation, but the code had it as CommitTSBuffer. Change the code to match the documentation, as that way is more consistent with the naming of related wait events.
Re-activate reporting of wait event SLRUFlushSync (Thomas Munro) §
Reporting of this type of wait was accidentally removed in code refactoring.
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\nThis could result in not honoring wal_keep_size accurately.
Disable startup progress reporting overhead in standby mode (Bharath Rupireddy) §
\nIn standby mode, we don't actually report progress of recovery, but we were doing work to track it anyway.
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\nThis feature requires building with OpenSSL 1.1.1 or newer. Both the server and libpq are affected.
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This case is not known to be reached by any core PostgreSQL code, but extensions might rely on it working.
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In the unusual case where the size of a large (>8kB) palloc chunk is decreased, a Valgrind-aware build would mismark the defined-ness state of the memory released from the chunk, possibly causing incorrect results during Valgrind testing.
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\nSome rare failure cases could return without cleaning up the PG_TRY exception stack, risking a crash if another error was raised before the next stack level was unwound.
", "text": "Fix unwinding of exception stack in plpython (Xing Guo) § Some rare failure cases could return without cleaning up the PG_TRY exception stack, risking a crash if another error was raised before the next stack level was unwound.", "title": "Fix unwinding of exception stack in plpython", "commits": ["825ebc984"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "e48f7de023446dc5a4fec4e427578b876062298a6a7dff871c69424f37cdfa12", "section_path": ["Changes"], "commit_groups": [["0af386b0f", "24964394a", "52c9cf323", "57d005170", "800531846", "825ebc984"]], "identity_text": "Fix unwinding of exception stack in plpython (Xing Guo) Some rare failure cases could return without cleaning up the PG_TRY exception stack, risking a crash if another error was raised before the next stack level was unwound.", "commit_aliases": ["0af386b0f", "24964394a", "52c9cf323", "57d005170", "800531846", "825ebc984"], "source_commits": ["825ebc984"], "source_entry_id": "15.3/changes/065", "db_id": "14766548d1e2a90645f0b86a83ff226c", "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd", "relations": [{"rule": 2, "type": "equivalent", "target": "0ce5d9003df7eaeca9b77f7ac8462933", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}, {"rule": 2, "type": "equivalent", "target": "0fe429e351fda7a60790e873d8310c40", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}, {"rule": 2, "type": "equivalent", "target": "2710ca4bc6414fb413b76a621b8bfd1d", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}, {"rule": 2, "type": "equivalent", "target": "c4b98b08bc10237fec53b1cb2dc53575", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c4b98b08bc10237fec53b1cb2dc53575", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=14.8#14.8-f49d68d718c6b800", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "0fe429e351fda7a60790e873d8310c40", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=13.11#13.11-2dc3e868b13d91a8", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "0ce5d9003df7eaeca9b77f7ac8462933", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=12.15#12.15-a7cd04ff42684ef5", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "2710ca4bc6414fb413b76a621b8bfd1d", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=11.20#11.20-2f120acc37963b92", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-aabe7c9f6743f933", "cves": [], "html": "Fix inconsistent GSS-encryption error handling in libpq's PQconnectPoll() (Michael Paquier) §
With gssencmode set to require, the connection was not marked dead after a GSS initialization failure. Make it fail immediately, as the equivalent case for TLS encryption has long done.
Fix possible data corruption in ecpg programs built with the -C ORACLE option (Kyotaro Horiguchi) §
When ecpg_get_data() is called with varcharsize set to zero, it could write a terminating zero character into the last byte of the preceding field, truncating the data in that field.
Fix pg_dump so that partitioned tables that are hash-partitioned on an enum-type column can be restored successfully (Tom Lane) §
\nSince the hash codes for enum values depend on the OIDs assigned to the enum, they are typically different after a dump and restore, meaning that rows often need to go into a different partition than they were in originally. Users can work around that by specifying the --load-via-partition-root option; but since there is very little chance of success without that, teach pg_dump to apply it automatically to such tables.
Also, fix pg_restore to not try to TRUNCATE target tables before restoring into them when --load-via-partition-root mode is used. This avoids a hazard of deadlocks and lost data.
Correctly detect non-seekable files on Windows (Juan José Santamaría Flecha, Michael Paquier, Daniel Watzinger) § §
\nThis bug led to misbehavior when pg_dump writes to a pipe or pg_restore reads from one.
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\nThis avoids a failure when a pgbench script tries to start a serializable transaction inside a pipeline.
", "text": "In pgbench's “prepared” mode, prepare all the commands in a pipeline before starting the pipeline (Álvaro Herrera) § This avoids a failure when a pgbench script tries to start a serializable transaction inside a pipeline.", "title": "In pgbench's “prepared” mode, prepare all the commands in a pipeline before starting the pipeline", "commits": ["108a22bd1"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "b5e3cfc64a3bfa16e5ee98c1e296eaed99db0332759dcca2b6bfb7f15940eaaa", "section_path": ["Changes"], "commit_groups": [["038f586d5", "108a22bd1", "663e50e83"]], "identity_text": "In pgbench's prepared mode, prepare all the commands in a pipeline before starting the pipeline (Álvaro Herrera) This avoids a failure when a pgbench script tries to start a serializable transaction inside a pipeline.", "commit_aliases": ["038f586d5", "108a22bd1", "663e50e83"], "source_commits": ["108a22bd1"], "source_entry_id": "15.3/changes/070", "db_id": "85ae92f43ab457d931885ec1632dd7a6", "patch_ids": ["61c5c292d59c50f21573be64b138b306"], "statement_hash": "e3a03be3e769603d523aaf838417093d2a0d941ad1e97e74f7d03ebbaf53930e", "relations": [{"rule": 2, "type": "equivalent", "target": "9b8f29a5a72502082dd8ab1add0e2134", "evidence": {"same_day": true, "patch_ids": ["61c5c292d59c50f21573be64b138b306"], "statement_hash": "e3a03be3e769603d523aaf838417093d2a0d941ad1e97e74f7d03ebbaf53930e"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "9b8f29a5a72502082dd8ab1add0e2134", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "In pgbench's “prepared” mode, prepare all the commands in a pipeline before starting the pipeline", "evidence": {"same_day": true, "patch_ids": ["61c5c292d59c50f21573be64b138b306"], "statement_hash": "e3a03be3e769603d523aaf838417093d2a0d941ad1e97e74f7d03ebbaf53930e"}, "url": "/docs/compare/?release=14.8#14.8-f0b5e23d247711f3", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}]}, {"id": "15.3-50c95d174dbdd6f1", "cves": [], "html": "In contrib/amcheck's heap checking code, deal correctly with tuples having zero xmin or xmax (Robert Haas) § §
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In cases of corruption we might see a wrapped-around 32-bit xid that appears to be before the first xid epoch. Promoting such a value to 64-bit form produced a value far in the future, resulting in wrong reports. Return FirstNormalFullTransactionId in such cases so that things work reasonably sanely.
", "text": "In contrib/amcheck, deal sanely with xids that appear to be before epoch zero (Andres Freund) § In cases of corruption we might see a wrapped-around 32-bit xid that appears to be before the first xid epoch. Promoting such a value to 64-bit form produced a value far in the future, resulting in wrong reports. Return FirstNormalFullTransactionId in such cases so that things work reasonably sanely.", "title": "In contrib/amcheck, deal sanely with xids that appear to be before epoch zero", "commits": ["e8a9750d0"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "37d0b392db45b0c50e4e2f683c2c26b8124a7a7665f0fe579e3632b545e3aeaa", "section_path": ["Changes"], "commit_groups": [["4f5d461e0", "b3a83055c", "e8a9750d0"]], "identity_text": "In contrib/amcheck, deal sanely with xids that appear to be before epoch zero (Andres Freund) In cases of corruption we might see a wrapped-around 32-bit xid that appears to be before the first xid epoch. Promoting such a value to 64-bit form produced a value far in the future, resulting in wrong reports. Return FirstNormalFullTransactionId in such cases so that things work reasonably sanely.", "commit_aliases": ["4f5d461e0", "b3a83055c", "e8a9750d0"], "source_commits": ["e8a9750d0"], "source_entry_id": "15.3/changes/072", "db_id": "7c8dbefd44a1786d1ade560b000ab995", "patch_ids": ["e86c51f28a9f6deb308dad259a580e6e"], "statement_hash": "8926546982d518c7786339442749789839da40ee7593278bf01c107d4a2f6225", "relations": [{"rule": 2, "type": "equivalent", "target": "b9534cab031ecf368fbc1f098e32a40d", "evidence": {"same_day": true, "patch_ids": ["e86c51f28a9f6deb308dad259a580e6e"], "statement_hash": "8926546982d518c7786339442749789839da40ee7593278bf01c107d4a2f6225"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b9534cab031ecf368fbc1f098e32a40d", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "In contrib/amcheck, deal sanely with xids that appear to be before epoch zero", "evidence": {"same_day": true, "patch_ids": ["e86c51f28a9f6deb308dad259a580e6e"], "statement_hash": "8926546982d518c7786339442749789839da40ee7593278bf01c107d4a2f6225"}, "url": "/docs/compare/?release=14.8#14.8-965fdd20c850d50d", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}]}, {"id": "15.3-5d06d498b1b84b5b", "cves": [], "html": "In contrib/basebackup_to_shell, properly detect failure to open a pipe (Robert Haas) §
In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping (Dmitry Dolgov, Tom Lane) §
This should give an error, but Python 3 changed some APIs in a way that caused the check to misbehave, allowing a crash to ensue.
", "text": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping (Dmitry Dolgov, Tom Lane) § This should give an error, but Python 3 changed some APIs in a way that caused the check to misbehave, allowing a crash to ensue.", "title": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping", "commits": ["85ec8bcce"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "b8b4e897353348bccdab1a3d0569553475e516bc48ee74f2b1852356b93ec455", "section_path": ["Changes"], "commit_groups": [["85ec8bcce", "c3c1097dc", "c74f88c40", "ce9662598", "de2dfa053", "df38157d9"]], "identity_text": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping (Dmitry Dolgov, Tom Lane) This should give an error, but Python 3 changed some APIs in a way that caused the check to misbehave, allowing a crash to ensue.", "commit_aliases": ["85ec8bcce", "c3c1097dc", "c74f88c40", "ce9662598", "de2dfa053", "df38157d9"], "source_commits": ["85ec8bcce"], "source_entry_id": "15.3/changes/074", "db_id": "992b7e13fba4e41f7df154c0c4b25c24", "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3", "relations": [{"rule": 2, "type": "equivalent", "target": "0db4cf8b0eb5a79c52fd1a9fd6e54554", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}}, {"rule": 2, "type": "equivalent", "target": "13a7f4a85f6699077d90250137ae85a8", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}}, {"rule": 2, "type": "equivalent", "target": "848ea20db068591bca586198d7d96948", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}}, {"rule": 2, "type": "equivalent", "target": "c2caaccb98bf63451057e0fe60c6935a", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}}], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0db4cf8b0eb5a79c52fd1a9fd6e54554", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}, "url": "/docs/compare/?release=14.8#14.8-c661ca2967fe62e3", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "c2caaccb98bf63451057e0fe60c6935a", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}, "url": "/docs/compare/?release=13.11#13.11-62f7f422165982e8", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "13a7f4a85f6699077d90250137ae85a8", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}, "url": "/docs/compare/?release=12.15#12.15-fa18c63a2c6d14b7", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "848ea20db068591bca586198d7d96948", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping", "evidence": {"same_day": true, "patch_ids": ["095283c4b873b4ceb491ef2fe7dc7654"], "statement_hash": "5b10abea459c49b76ae3de16bca071116b5dd05fd50089684aa9dec99ae352d3"}, "url": "/docs/compare/?release=11.20#11.20-f3588b7d3173962e", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "15.3-df3db3947c56ed7a", "cves": [], "html": "Require the siglen option of a GiST index on an ltree column, if specified, to be a multiple of 4 (Alexander Korotkov) §
Other values result in misaligned accesses to index content, which is harmless on Intel-compatible hardware but can cause a crash on some other architectures.
", "text": "Require the siglen option of a GiST index on an ltree column, if specified, to be a multiple of 4 (Alexander Korotkov) § Other values result in misaligned accesses to index content, which is harmless on Intel-compatible hardware but can cause a crash on some other architectures.", "title": "Require the siglen option of a GiST index on an ltree column, if specified, to be a multiple of 4", "commits": ["214495dc5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "a6b1eb040bed29158f82176c5955001f18c5bde4e9054d558247a65e878cb221", "section_path": ["Changes"], "commit_groups": [["214495dc5", "48c6825d0", "8bbd0cce9", "f4a4a18ec"]], "identity_text": "Require the siglen option of a GiST index on an ltree column, if specified, to be a multiple of 4 (Alexander Korotkov) Other values result in misaligned accesses to index content, which is harmless on Intel-compatible hardware but can cause a crash on some other architectures.", "commit_aliases": ["214495dc5", "48c6825d0", "8bbd0cce9", "f4a4a18ec"], "source_commits": ["214495dc5"], "source_entry_id": "15.3/changes/075", "db_id": "83ac63fac21637e7f6b933010d582997", "patch_ids": ["b737b382fc1cfd587c8e45d28d245d3f"], "statement_hash": "c076cf37825c4202b6b640d14d16b9c48fe2d293ab04129b1dd7a7716efd1200", "relations": [{"rule": 2, "type": "equivalent", "target": "0899c26b1f596d6567e0be6cf0b90a8d", "evidence": {"same_day": true, "patch_ids": ["b737b382fc1cfd587c8e45d28d245d3f"], "statement_hash": "c076cf37825c4202b6b640d14d16b9c48fe2d293ab04129b1dd7a7716efd1200"}}, {"rule": 2, "type": "equivalent", "target": "3c8b1a79474881779363baeb7bd10180", "evidence": {"same_day": true, "patch_ids": ["b737b382fc1cfd587c8e45d28d245d3f"], "statement_hash": "c076cf37825c4202b6b640d14d16b9c48fe2d293ab04129b1dd7a7716efd1200"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0899c26b1f596d6567e0be6cf0b90a8d", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Require the siglen option of a GiST index on an ltree column, if specified, to be a multiple of 4", "evidence": {"same_day": true, "patch_ids": ["b737b382fc1cfd587c8e45d28d245d3f"], "statement_hash": "c076cf37825c4202b6b640d14d16b9c48fe2d293ab04129b1dd7a7716efd1200"}, "url": "/docs/compare/?release=14.8#14.8-0c3f8e7e37fdeaea", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "3c8b1a79474881779363baeb7bd10180", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Require the siglen option of a GiST index on an ltree column, if specified, to be a multiple of 4", "evidence": {"same_day": true, "patch_ids": ["b737b382fc1cfd587c8e45d28d245d3f"], "statement_hash": "c076cf37825c4202b6b640d14d16b9c48fe2d293ab04129b1dd7a7716efd1200"}, "url": "/docs/compare/?release=13.11#13.11-39d39f0d76a26556", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}]}, {"id": "15.3-89d3b255c4f91153", "cves": [], "html": "In contrib/pageinspect, add defenses against incorrect input for the gist_page_items() function (Dmitry Koval) §
Fix misbehavior in contrib/pg_trgm with an unsatisfiable regular expression (Tom Lane) §
A regex such as $foo is legal but unsatisfiable; the regex compiler recognizes that and produces an empty NFA graph. Attempting to optimize such a graph into a pg_trgm GIN or GiST index qualification resulted in accessing off the end of a work array, possibly leading to crashes.
Fix handling of escape sequences in contrib/postgres_fdw's application_name parameter (Kyotaro Horiguchi, Michael Paquier) §
The code to expand these could fail if executed in a background process, as for example during auto-analyze of a foreign table.
", "text": "Fix handling of escape sequences in contrib/postgres_fdw's application_name parameter (Kyotaro Horiguchi, Michael Paquier) § The code to expand these could fail if executed in a background process, as for example during auto-analyze of a foreign table.", "title": "Fix handling of escape sequences in contrib/postgres_fdw's application_name parameter", "commits": ["5bace41ab"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "a9b5ed021f2439eb372db02b5a5931b9b353160bbdbb8348340eda0efcf2ac8d", "section_path": ["Changes"], "commit_groups": [["5bace41ab", "8427ce4c3"]], "identity_text": "Fix handling of escape sequences in contrib/postgres_fdw's application_name parameter (Kyotaro Horiguchi, Michael Paquier) The code to expand these could fail if executed in a background process, as for example during auto-analyze of a foreign table.", "commit_aliases": ["5bace41ab", "8427ce4c3"], "source_commits": ["5bace41ab"], "source_entry_id": "15.3/changes/078", "db_id": "8fd9713d87f31f7ff4b451158f3ef3d2", "patch_ids": ["8b0ad7031f71f7fe780fdc9467296321"], "statement_hash": "d090893681efaa63130ec364f42afdf45afb44bda407901cced343ce94cece72", "relations": [], "version": "15.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "15.3-3358f3ed997245d5", "cves": [], "html": "In contrib/pg_walinspect, limit memory usage of pg_get_wal_records_info() (Bharath Rupireddy) §
Use the --strip-unneeded option when stripping static libraries with GNU-compatible strip (Tom Lane) §
Previously, make install-strip used the -x option in this case. This change avoids misbehavior of llvm-strip, and gives slightly smaller output as well.
Stop recommending auto-download of DTD files for building the documentation, and indeed disable it (Aleksander Alekseev, Peter Eisentraut, Tom Lane) §
\nIt appears no longer possible to build the SGML documentation without a local installation of the DocBook DTD files. Formerly xsltproc could download those files on-the-fly from sourceforge.net; but sourceforge.net now permits only HTTPS access, and no common version of xsltproc supports that. Hence, remove the bits of our documentation suggesting that that's possible or useful, and instead add xsltproc's --nonet option to the build recipes.
When running TAP tests in PGXS builds, use a saner location for the temporary portlock directory (Peter Eisentraut) §
Place it under tmp_check in the build directory. With the previous coding, a PGXS build would try to place it in the installation directory, which is not necessarily writable.
Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine. (Tom Lane) §
\nWhen observing Moscow time, Europe/Kirov and Europe/Volgograd now use the abbreviations MSK/MSD instead of numeric abbreviations, for consistency with other timezones observing Moscow time. Also, America/Yellowknife is no longer distinct from America/Edmonton; this affects some pre-1948 timestamps in that area.
", "text": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine. (Tom Lane) § When observing Moscow time, Europe/Kirov and Europe/Volgograd now use the abbreviations MSK/MSD instead of numeric abbreviations, for consistency with other timezones observing Moscow time. Also, America/Yellowknife is no longer distinct from America/Edmonton; this affects some pre-1948 timestamps in that area.", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "commits": ["62b22caa5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.3/#id-1.11.6.22.5", "source_hash": "a5dcad1a5f3187bb1d5740a2899ed93728b19237f1ede5bb1ba10a3c459949ff", "section_path": ["Changes"], "commit_groups": [["2ad35cf06", "4ddee4d9d", "62b22caa5", "7228f2f81", "87d8ec3e4", "b79b36f26"]], "identity_text": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine. (Tom Lane) When observing Moscow time, Europe/Kirov and Europe/Volgograd now use the abbreviations MSK/MSD instead of numeric abbreviations, for consistency with other timezones observing Moscow time. Also, America/Yellowknife is no longer distinct from America/Edmonton; this affects some pre-1948 timestamps in that area.", "commit_aliases": ["2ad35cf06", "4ddee4d9d", "62b22caa5", "7228f2f81", "87d8ec3e4", "b79b36f26"], "source_commits": ["62b22caa5"], "source_entry_id": "15.3/changes/083", "db_id": "a5866a6dfbf21d9c33fa546f4ddcbb04", "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614", "relations": [{"rule": 2, "type": "equivalent", "target": "10be16deda7a3a586a3117289d8b0b06", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"]}}, {"rule": 2, "type": "equivalent", "target": "360789e56cf7d2c4170c359a8391cd59", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}}, {"rule": 2, "type": "equivalent", "target": "a75851e9f042420ee45e8f1723a55d95", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}}, {"rule": 2, "type": "equivalent", "target": "c7c1d0132ad2134c3b86c9166800e77b", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}}], "version": "15.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7c1d0132ad2134c3b86c9166800e77b", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}, "url": "/docs/compare/?release=14.8#14.8-e4329476e6fe2494", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "360789e56cf7d2c4170c359a8391cd59", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}, "url": "/docs/compare/?release=13.11#13.11-de2b6e53b98afe3b", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "a75851e9f042420ee45e8f1723a55d95", "kind": "equivalent", "version": "12.15", "label": "12.15", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}, "url": "/docs/compare/?release=12.15#12.15-679c662d64b0e13d", "source_url": "/docs/release/12.15/#id-1.11.6.13.5"}, {"db_id": "10be16deda7a3a586a3117289d8b0b06", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"]}, "url": "/docs/compare/?release=11.20#11.20-8708d826f8b4ecc4", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}]}, {"date": "2023-02-09", "build": "15.2", "major": "15", "minor": 2, "manual": "15", "status": "stable", "doc_git": "", "version": "15.2", "eol_date": "2027-11-11", "date_text": "2023-02-09", "supported": true, "manual_url": "/docs/15/release-15-2.html", "source_url": "/docs/release/15.2/", "entry_count": 58, "placeholder": false, "content_hash": "f7b16ba98eead927459db34497943a59d1ee4078b73c0a06ed66202951b47432", "manual_build": "15.19", "source_as_of": "", "changes_count": 58, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 15.X.
\nHowever, if you are upgrading from a version earlier than 15.1, see Section E.19.
", "compatibility_count": 0, "label": "15.2", "status_label": "Supported", "eol": "2027-11-11", "age_days": 1328, "support_days": 408, "entries": [{"id": "15.2-259471afd131584c", "cves": ["CVE-2022-41862"], "html": "libpq can leak memory contents after GSSAPI transport encryption initiation fails (Jacob Champion) §
\nA modified server, or an unauthenticated man-in-the-middle, can send a not-zero-terminated error message during setup of GSSAPI (Kerberos) transport encryption. libpq will then copy that string, as well as following bytes in application memory up to the next zero byte, to its error report. Depending on what the calling application does with the error report, this could result in disclosure of application memory contents. There is also a small probability of a crash due to reading beyond the end of memory. Fix by properly zero-terminating the server message. (CVE-2022-41862)
", "text": "libpq can leak memory contents after GSSAPI transport encryption initiation fails (Jacob Champion) § A modified server, or an unauthenticated man-in-the-middle, can send a not-zero-terminated error message during setup of GSSAPI (Kerberos) transport encryption. libpq will then copy that string, as well as following bytes in application memory up to the next zero byte, to its error report. Depending on what the calling application does with the error report, this could result in disclosure of application memory contents. There is also a small probability of a crash due to reading beyond the end of memory. Fix by properly zero-terminating the server message. (CVE-2022-41862)", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "commits": ["715c345dd"], "section": "Changes", "category": "security", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "d80d398510af01515791c63af8d7b13d0774ab472599ea71f6d193f1a4019b76", "section_path": ["Changes"], "commit_groups": [["3f7342671", "45a945ee9", "626f2c1d6", "715c345dd", "71c37797d"]], "identity_text": "libpq can leak memory contents after GSSAPI transport encryption initiation fails (Jacob Champion) A modified server, or an unauthenticated man-in-the-middle, can send a not-zero-terminated error message during setup of GSSAPI (Kerberos) transport encryption. libpq will then copy that string, as well as following bytes in application memory up to the next zero byte, to its error report. Depending on what the calling application does with the error report, this could result in disclosure of application memory contents. There is also a small probability of a crash due to reading beyond the end of memory. Fix by properly zero-terminating the server message. (CVE-2022-41862)", "commit_aliases": ["3f7342671", "45a945ee9", "626f2c1d6", "715c345dd", "71c37797d"], "source_commits": ["715c345dd"], "source_entry_id": "15.2/changes/001", "db_id": "6972d6a9e3a94239c67a54106708d323", "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956", "relations": [{"rule": 2, "type": "equivalent", "target": "44c395e376c7cd3c93049fcea68d1398", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}}, {"rule": 2, "type": "equivalent", "target": "84097a2dbd0e2416e528ec1b7e12655f", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}}, {"rule": 2, "type": "equivalent", "target": "e645f7bfeb83e81c2ad8f0c9a3338368", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}}], "version": "15.2", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "84097a2dbd0e2416e528ec1b7e12655f", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}, "url": "/docs/compare/?release=14.7#14.7-2dbd2730debe7f61", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "e645f7bfeb83e81c2ad8f0c9a3338368", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}, "url": "/docs/compare/?release=13.10#13.10-23596c45357945bb", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "44c395e376c7cd3c93049fcea68d1398", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}, "url": "/docs/compare/?release=12.14#12.14-3713e48c990849a8", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}]}, {"id": "15.2-2e176e2fa32fffae", "cves": [], "html": "Fix calculation of which GENERATED columns need to be updated in child tables during an UPDATE on a partitioned table or inheritance tree (Amit Langote, Tom Lane) § §
This fixes failure to update GENERATED columns that do not exist in the parent table, or that have different dependencies than are in the parent column's generation expression.
Fix possible failure of MERGE to compute GENERATED columns (Dean Rasheed) §
When the first row-level action of the MERGE was an UPDATE, any subsequent INSERT actions would fail to compute GENERATED columns that were deemed unnecessary to compute for the UPDATE action (due to not depending on any of the UPDATE target columns).
Fix MERGE's check for unreachable WHEN clauses (Dean Rasheed) §
A WHEN clause following an unconditional WHEN clause should be rejected as unreachable, but this case was not always detected.
Fix MERGE's rule-detection test (Dean Rasheed) §
MERGE is not supported on tables with rules; but it also failed on tables that once had rules but no longer do.
In MERGE, don't count a DO NOTHING action as a processed tuple (Álvaro Herrera) §
This makes the code's behavior match the documentation.
", "text": "In MERGE, don't count a DO NOTHING action as a processed tuple (Álvaro Herrera) § This makes the code's behavior match the documentation.", "title": "In MERGE, don't count a DO NOTHING action as a processed tuple", "commits": ["3d45edcef"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "fa040bf503ed4c56570c99b326aa1693e4c9a014aeebe87e745e4b151dc08792", "section_path": ["Changes"], "commit_groups": [["3d45edcef", "6ff5aa129"]], "identity_text": "In MERGE, don't count a DO NOTHING action as a processed tuple (Álvaro Herrera) This makes the code's behavior match the documentation.", "commit_aliases": ["3d45edcef", "6ff5aa129"], "source_commits": ["3d45edcef"], "source_entry_id": "15.2/changes/006", "db_id": "8707d94cfdebbcf3c6e8ff5df4800cfd", "patch_ids": ["d322645ab091806941fcc43e773ce7e2"], "statement_hash": "5b8006da9d98ceae2b7554ee86b690dfb1b70e2fbdb7fabb6fc4b1766a89f118", "relations": [], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "15.2-1455eb176816d0a6", "cves": [], "html": "Allow a WITH RECURSIVE ... CYCLE CTE to access its output column (Tom Lane) §
A reference to the SET column from within the CTE would fail with “cache lookup failed for type 0”.
Fix handling of pending inserts when doing a bulk insertion to a foreign table (Etsuro Fujita) § §
\nIn some cases pending insertions were not flushed to the FDW soon enough, leading to logical inconsistencies, for example BEFORE ROW triggers not seeing rows they should be able to see.
Allow REPLICA IDENTITY to be set on an index that's not (yet) valid (Tom Lane) §
When pg_dump dumps a partitioned index that's marked REPLICA IDENTITY, it generates a command sequence that applies REPLICA IDENTITY before the partitioned index has been marked valid, causing restore to fail. There seems no very good reason to prohibit doing it in that order, so allow it. The marking will have no effect anyway until the index becomes valid.
Fix handling of DEFAULT markers in rules that perform an INSERT from a multi-row VALUES list (Dean Rasheed) §
In some cases a DEFAULT marker would not get replaced with the proper default-value expression, leading to an “unrecognized node type” error.
Reject uses of undefined variables in jsonpath existence checks (Alexander Korotkov, David G. Johnston) §
While jsonpath match operators threw an error for an undefined variable in the path pattern, the existence operators silently treated it as a match.
Fix jsonb subscripting to cope with toasted subscript values (Tom Lane, David G. Johnston) §
Using a text value fetched directly from a table as a jsonb subscript was likely to fail. Fetches would usually not find any matching element. Assignments could store the value with a garbage key, although keys long enough to cause that problem are probably rare in the field.
Fix edge-case data corruption in parallel hash joins (Dmitry Astapov) §
\nIf the final chunk of a large tuple being written out to a temporary file was exactly 32760 bytes, it would be corrupted due to a fencepost bug. The query would typically fail later with corrupted-data symptoms.
", "text": "Fix edge-case data corruption in parallel hash joins (Dmitry Astapov) § If the final chunk of a large tuple being written out to a temporary file was exactly 32760 bytes, it would be corrupted due to a fencepost bug. The query would typically fail later with corrupted-data symptoms.", "title": "Fix edge-case data corruption in parallel hash joins", "commits": ["d9f5345bf"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "31b3612c4954c12626e5aa84eff8f56c58b6e6494e950916ead493eaf82dcd13", "section_path": ["Changes"], "commit_groups": [["1a5afe007", "2f65b8468", "b55303792", "d95dcc9ab", "d9f5345bf", "ffcf6f4cf"]], "identity_text": "Fix edge-case data corruption in parallel hash joins (Dmitry Astapov) If the final chunk of a large tuple being written out to a temporary file was exactly 32760 bytes, it would be corrupted due to a fencepost bug. The query would typically fail later with corrupted-data symptoms.", "commit_aliases": ["1a5afe007", "2f65b8468", "b55303792", "d95dcc9ab", "d9f5345bf", "ffcf6f4cf"], "source_commits": ["d9f5345bf"], "source_entry_id": "15.2/changes/013", "db_id": "fcfcf4d0c5151a6b2a0296b2cbd0a33f", "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8", "relations": [{"rule": 2, "type": "equivalent", "target": "17baafcf991fbee7db5fd59cfa4ebe26", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}, {"rule": 2, "type": "equivalent", "target": "58c1639ecc5c6ebcdfd574d1218a9233", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}, {"rule": 2, "type": "equivalent", "target": "8c118d8792453bb06a4ce9445538846a", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}, {"rule": 2, "type": "equivalent", "target": "9a4c9851e7901484319f65e80da16939", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}], "version": "15.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "17baafcf991fbee7db5fd59cfa4ebe26", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=14.7#14.7-ed0bddea4f1df704", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "58c1639ecc5c6ebcdfd574d1218a9233", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=13.10#13.10-ed92b3b2e5edc19f", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "9a4c9851e7901484319f65e80da16939", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=12.14#12.14-85fcd213ed83aa7c", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}, {"db_id": "8c118d8792453bb06a4ce9445538846a", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=11.19#11.19-1057ba81081ccf89", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "15.2-daee5981fb26b6c3", "cves": [], "html": "Honor non-default settings of checkpoint_completion_target (Bharath Rupireddy) §
Internal state was not updated after a change in checkpoint_completion_target, possibly resulting in performing checkpoint I/O faster or slower than desired, especially if that setting was changed on-the-fly.
Log the correct ending timestamp in recovery_target_xid mode (Tom Lane) §
When ending recovery based on the recovery_target_xid setting with recovery_target_inclusive = off, we printed an incorrect timestamp (always 2000-01-01) in the “recovery stopping before ... transaction” log message.
Improve error reporting for some buffered file read failures (Peter Eisentraut) §
\nCorrectly report a short read, giving the numbers of bytes desired and actually read, instead of reporting an irrelevant error code. Most places got this right already, but some recently-written replication logic did not.
", "text": "Improve error reporting for some buffered file read failures (Peter Eisentraut) § Correctly report a short read, giving the numbers of bytes desired and actually read, instead of reporting an irrelevant error code. Most places got this right already, but some recently-written replication logic did not.", "title": "Improve error reporting for some buffered file read failures", "commits": ["ac01fa647"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "6a52585ab99859f9a8f80a6e11010273e0119c027359a8b6cfdf1c10d7b3b0f3", "section_path": ["Changes"], "commit_groups": [["1561612e3", "ac01fa647", "cf74b6ead", "f463335e1"]], "identity_text": "Improve error reporting for some buffered file read failures (Peter Eisentraut) Correctly report a short read, giving the numbers of bytes desired and actually read, instead of reporting an irrelevant error code. Most places got this right already, but some recently-written replication logic did not.", "commit_aliases": ["1561612e3", "ac01fa647", "cf74b6ead", "f463335e1"], "source_commits": ["ac01fa647"], "source_entry_id": "15.2/changes/016", "db_id": "910a2fcdec010be9b0d2746fee475942", "patch_ids": ["d503528c415d00115660f603efdb4782"], "statement_hash": "ec70a702b05badf9af5df233a8180cb3381671e94deb6ee4799a910e8705dbc4", "relations": [{"rule": 2, "type": "equivalent", "target": "6bbfe331c8bd0d5751f0932248de5974", "evidence": {"same_day": true, "patch_ids": ["d503528c415d00115660f603efdb4782"], "statement_hash": "ec70a702b05badf9af5df233a8180cb3381671e94deb6ee4799a910e8705dbc4"}}, {"rule": 2, "type": "equivalent", "target": "bacb2dc45b0af2b34fb185ce6aa6b534", "evidence": {"same_day": true, "patch_ids": ["d503528c415d00115660f603efdb4782"], "statement_hash": "ec70a702b05badf9af5df233a8180cb3381671e94deb6ee4799a910e8705dbc4"}}], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "6bbfe331c8bd0d5751f0932248de5974", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Improve error reporting for some buffered file read failures", "evidence": {"same_day": true, "patch_ids": ["d503528c415d00115660f603efdb4782"], "statement_hash": "ec70a702b05badf9af5df233a8180cb3381671e94deb6ee4799a910e8705dbc4"}, "url": "/docs/compare/?release=14.7#14.7-015e68124e7214f8", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "bacb2dc45b0af2b34fb185ce6aa6b534", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Improve error reporting for some buffered file read failures", "evidence": {"same_day": true, "patch_ids": ["d503528c415d00115660f603efdb4782"], "statement_hash": "ec70a702b05badf9af5df233a8180cb3381671e94deb6ee4799a910e8705dbc4"}, "url": "/docs/compare/?release=13.10#13.10-1cdf3bd8c3aaf3ca", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}]}, {"id": "15.2-526b57dc0efe23db", "cves": [], "html": "Remove arbitrary limit on number of elements in int2vector and oidvector (Tom Lane) §
The input functions for these types previously rejected more than 100 elements. With the introduction of the logical replication column list feature, it's necessary to accept int2vectors having up to 1600 columns, otherwise long column lists cause logical-replication failures.
In extended query protocol, avoid an immediate commit after ANALYZE if we're running a pipeline (Tom Lane) §
If there's not been an explicit BEGIN TRANSACTION, ANALYZE would take it on itself to commit, which should not happen within a pipelined series of commands.
Reject cancel request packets having the wrong length (Andrey Borodin) §
\nThe server would process a cancel request even if its length word was too small. This led to reading beyond the end of the allocated buffer. In theory that could cause a segfault, but it seems quite unlikely to happen in practice, since the buffer would have to be very close to the end of memory. The more likely outcome was a bogus log message about wrong backend PID or cancel code. Complain about the wrong length, instead.
", "text": "Reject cancel request packets having the wrong length (Andrey Borodin) § The server would process a cancel request even if its length word was too small. This led to reading beyond the end of the allocated buffer. In theory that could cause a segfault, but it seems quite unlikely to happen in practice, since the buffer would have to be very close to the end of memory. The more likely outcome was a bogus log message about wrong backend PID or cancel code. Complain about the wrong length, instead.", "title": "Reject cancel request packets having the wrong length", "commits": ["b152bb7b2"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "d8c4584845cee256a065a3a811e393fd5df8460442955e6322eff222f5946c20", "section_path": ["Changes"], "commit_groups": [["6900aea67", "8f70de7e0", "a9bccffe5", "b152bb7b2", "e52daaabf", "e75b5c855"]], "identity_text": "Reject cancel request packets having the wrong length (Andrey Borodin) The server would process a cancel request even if its length word was too small. This led to reading beyond the end of the allocated buffer. In theory that could cause a segfault, but it seems quite unlikely to happen in practice, since the buffer would have to be very close to the end of memory. The more likely outcome was a bogus log message about wrong backend PID or cancel code. Complain about the wrong length, instead.", "commit_aliases": ["6900aea67", "8f70de7e0", "a9bccffe5", "b152bb7b2", "e52daaabf", "e75b5c855"], "source_commits": ["b152bb7b2"], "source_entry_id": "15.2/changes/019", "db_id": "704a6634c16ef7df7bcdf60048ae61a0", "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8", "relations": [{"rule": 2, "type": "equivalent", "target": "0ca75a37b68a2dc0bfeff23a25e77ba0", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}, {"rule": 2, "type": "equivalent", "target": "7fa280ab24f9d5ddd2a56f45d4ffca65", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}, {"rule": 2, "type": "equivalent", "target": "9debe525460effd204276d88508b491c", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}, {"rule": 2, "type": "equivalent", "target": "f77b12baef4c96feae19e6651e311743", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7fa280ab24f9d5ddd2a56f45d4ffca65", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=14.7#14.7-f72804a6eeac15f7", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "9debe525460effd204276d88508b491c", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=13.10#13.10-36c77ab5f60c2fec", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "f77b12baef4c96feae19e6651e311743", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=12.14#12.14-6a979fa32fad601a", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}, {"db_id": "0ca75a37b68a2dc0bfeff23a25e77ba0", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=11.19#11.19-8fc865ae005d5dbb", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "15.2-dbe50455de687af8", "cves": [], "html": "Fix planner preprocessing oversights for window function run-condition expressions (Richard Guo, David Rowley) §
\nThis could lead to planner errors such as “WindowFunc not found in subplan target lists”.
", "text": "Fix planner preprocessing oversights for window function run-condition expressions (Richard Guo, David Rowley) § This could lead to planner errors such as “WindowFunc not found in subplan target lists”.", "title": "Fix planner preprocessing oversights for window function run-condition expressions", "commits": ["04788ee4c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "4d7cf766932f4c9de51d8161a8b7c343a77c89acec4557c4cd3bc08dc76b5d3e", "section_path": ["Changes"], "commit_groups": [["04788ee4c", "94985c210"]], "identity_text": "Fix planner preprocessing oversights for window function run-condition expressions (Richard Guo, David Rowley) This could lead to planner errors such as WindowFunc not found in subplan target lists.", "commit_aliases": ["04788ee4c", "94985c210"], "source_commits": ["04788ee4c"], "source_entry_id": "15.2/changes/020", "db_id": "b08f900ffb2928355c146d009eec374a", "patch_ids": ["eef9d389339cf23346ad8d63b873a6d5"], "statement_hash": "a6ff053047f29b7c8c45b286042e2567f3488fbd2380b091511896d86fbbc7c4", "relations": [], "version": "15.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "15.2-0f8090979fa232ad", "cves": [], "html": "Fix possible dangling-pointer access during execution of window function run-condition expressions (David Rowley) §
\nIn practice, because the run-condition optimization is only applied to certain window functions that happen to all return int8, this only manifested as a problem on 32-bit builds.
Add recursion and looping defenses in subquery pullup (Tom Lane) §
\nA contrived query can result in deep recursion and unreasonable amounts of time spent trying to flatten subqueries. A proper fix for that seems unduly invasive for a back-patch, but we can at least add stack depth checks and an interrupt check to allow the query to be cancelled.
", "text": "Add recursion and looping defenses in subquery pullup (Tom Lane) § A contrived query can result in deep recursion and unreasonable amounts of time spent trying to flatten subqueries. A proper fix for that seems unduly invasive for a back-patch, but we can at least add stack depth checks and an interrupt check to allow the query to be cancelled.", "title": "Add recursion and looping defenses in subquery pullup", "commits": ["1a3daa5bb"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "306c8c55580c6df4cd008d270444839f4ad069b8bc3e3e089a6f5bfd62d9e8e6", "section_path": ["Changes"], "commit_groups": [["1a3daa5bb", "4fceb454f", "5beb7881f", "8cd700cc5", "97431d673", "d572003f7"]], "identity_text": "Add recursion and looping defenses in subquery pullup (Tom Lane) A contrived query can result in deep recursion and unreasonable amounts of time spent trying to flatten subqueries. A proper fix for that seems unduly invasive for a back-patch, but we can at least add stack depth checks and an interrupt check to allow the query to be cancelled.", "commit_aliases": ["1a3daa5bb", "4fceb454f", "5beb7881f", "8cd700cc5", "97431d673", "d572003f7"], "source_commits": ["1a3daa5bb"], "source_entry_id": "15.2/changes/022", "db_id": "362730489706fa81e58f4c999e886e0e", "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f", "relations": [{"rule": 2, "type": "equivalent", "target": "5af068db3341269c18db67f0336598f0", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}, {"rule": 2, "type": "equivalent", "target": "7c6d42673b3e4664bd79bc8f9f6ea38d", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}, {"rule": 2, "type": "equivalent", "target": "c00645f9f75d71aa6acb6087397460db", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}, {"rule": 2, "type": "equivalent", "target": "fdceeabfdcd8e34505ab07c4d5612bd4", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "fdceeabfdcd8e34505ab07c4d5612bd4", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=14.7#14.7-da8d00e103dbea9a", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "c00645f9f75d71aa6acb6087397460db", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=13.10#13.10-d35cca4c09de4185", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "7c6d42673b3e4664bd79bc8f9f6ea38d", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=12.14#12.14-5ed3b667487988cc", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}, {"db_id": "5af068db3341269c18db67f0336598f0", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=11.19#11.19-d9d142d540ffa7c9", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "15.2-37d086b58245cb81", "cves": [], "html": "Fix planner issues when combining Memoize nodes with partitionwise joins or parameterized nestloops (Richard Guo) § §
\nThese errors could lead to not using Memoize in contexts where it would be useful, or possibly to wrong query plans.
", "text": "Fix planner issues when combining Memoize nodes with partitionwise joins or parameterized nestloops (Richard Guo) § § These errors could lead to not using Memoize in contexts where it would be useful, or possibly to wrong query plans.", "title": "Fix planner issues when combining Memoize nodes with partitionwise joins or parameterized nestloops", "commits": ["834d97c32", "c959f84c2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "74a6d700f72fa84e3eb4c74184e8076df328ec3dcf1db11f6fa23c016ba7b854", "section_path": ["Changes"], "commit_groups": [["834d97c32", "ce093aa18", "e76913802"], ["c959f84c2", "d69d01ba9", "dc3648f65"]], "identity_text": "Fix planner issues when combining Memoize nodes with partitionwise joins or parameterized nestloops (Richard Guo) These errors could lead to not using Memoize in contexts where it would be useful, or possibly to wrong query plans.", "commit_aliases": ["834d97c32", "c959f84c2", "ce093aa18", "d69d01ba9", "dc3648f65", "e76913802"], "source_commits": ["834d97c32", "c959f84c2"], "source_entry_id": "15.2/changes/023", "db_id": "fedab078255a227307e0fb716d19e1a6", "patch_ids": ["30370a4ec989b7239d5aef5278fc05ef", "5c6e090c8079ba9092c28d371b17bfd3"], "statement_hash": "094a4815119a5ab935b4ddcf7dfe72424b6cbbb8771db238a91bd2658c868599", "relations": [{"rule": 2, "type": "equivalent", "target": "c0d3ce9372df0afbbb3f47158c0867a0", "evidence": {"same_day": true, "patch_ids": ["30370a4ec989b7239d5aef5278fc05ef", "5c6e090c8079ba9092c28d371b17bfd3"], "statement_hash": "094a4815119a5ab935b4ddcf7dfe72424b6cbbb8771db238a91bd2658c868599"}}], "version": "15.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c0d3ce9372df0afbbb3f47158c0867a0", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix planner issues when combining Memoize nodes with partitionwise joins or parameterized nestloops", "evidence": {"same_day": true, "patch_ids": ["30370a4ec989b7239d5aef5278fc05ef", "5c6e090c8079ba9092c28d371b17bfd3"], "statement_hash": "094a4815119a5ab935b4ddcf7dfe72424b6cbbb8771db238a91bd2658c868599"}, "url": "/docs/compare/?release=14.7#14.7-cafb265189ede67a", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}]}, {"id": "15.2-bb867c3ad0f78911", "cves": [], "html": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition (Tom Lane) §
\nThis could result in “could not devise a query plan for the given query” errors.
", "text": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition (Tom Lane) § This could result in “could not devise a query plan for the given query” errors.", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "commits": ["bf8fd64ff"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "90e49061dcaaf2e2640337313d58d199fd499d4df7dcd5f89ec12995cbad04f8", "section_path": ["Changes"], "commit_groups": [["1ff549e84", "2df073313", "4ebca555c", "bf8fd64ff", "ec3daeec3", "fe12f2f8f"]], "identity_text": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition (Tom Lane) This could result in could not devise a query plan for the given query errors.", "commit_aliases": ["1ff549e84", "2df073313", "4ebca555c", "bf8fd64ff", "ec3daeec3", "fe12f2f8f"], "source_commits": ["bf8fd64ff"], "source_entry_id": "15.2/changes/024", "db_id": "6f7131cf4cc9e66ad2f9645e81362450", "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1", "relations": [{"rule": 2, "type": "equivalent", "target": "ab574b7f4bc6aa7119791c39e91c1cb7", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}, {"rule": 2, "type": "equivalent", "target": "c2b696431dc7120dd5fcf12f4dceb1d2", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}, {"rule": 2, "type": "equivalent", "target": "dbfc56a5f280f98acfb2ac22d3b85626", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}, {"rule": 2, "type": "equivalent", "target": "ec7d05dbfdacc0d8ea27dd45d04add5a", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}], "version": "15.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ab574b7f4bc6aa7119791c39e91c1cb7", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=14.7#14.7-e378359afa593f1d", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "c2b696431dc7120dd5fcf12f4dceb1d2", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=13.10#13.10-cf603be7db67c148", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "ec7d05dbfdacc0d8ea27dd45d04add5a", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=12.14#12.14-2a4e55e0fca50b50", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}, {"db_id": "dbfc56a5f280f98acfb2ac22d3b85626", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=11.19#11.19-ea58e9523a4b5b62", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "15.2-11c232831ed252d3", "cves": [], "html": "Limit the amount of cleanup work done by get_actual_variable_range (Simon Riggs) §
Planner runs occurring just after deletion of a large number of tuples appearing at the end of an index could expend significant amounts of work setting the “killed” bits for those index entries. Limit the amount of work done in any one query by giving up on this process after examining 100 heap pages. All the cleanup will still happen eventually, but without so large a performance hiccup.
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", "text": "Fix memory leak in hashing strings with nondeterministic collations (Jeff Davis) §", "title": "Fix memory leak in hashing strings with nondeterministic collations", "commits": ["9377b4f30"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "11807a8daf054685c4e3d8caeb6a480dd3581dc374b52217f049a470a87d0d34", "section_path": ["Changes"], "commit_groups": [["47e1224d5", "9377b4f30", "a844052b5", "edf12e7bb", "f98c4fb1d"]], "identity_text": "Fix memory leak in hashing strings with nondeterministic collations (Jeff Davis)", "commit_aliases": ["47e1224d5", "9377b4f30", "a844052b5", "edf12e7bb", "f98c4fb1d"], "source_commits": ["9377b4f30"], "source_entry_id": "15.2/changes/030", "db_id": "9094d14461dc2e6dc506aea25465f637", "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236", "relations": [{"rule": 2, "type": "equivalent", "target": "0d55210ee4a7fa82ce3c1e004d22f631", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}}, {"rule": 2, "type": "equivalent", "target": "143f0cdc057f5d55143b6fd4226c08fa", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}}, {"rule": 2, "type": "equivalent", "target": "2816c467f6dfc309bdc20da3bcb224d2", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}}], "version": "15.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0d55210ee4a7fa82ce3c1e004d22f631", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix memory leak in hashing strings with nondeterministic collations", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}, "url": "/docs/compare/?release=14.7#14.7-f55d60a5c2b738ea", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "143f0cdc057f5d55143b6fd4226c08fa", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Fix memory leak in hashing strings with nondeterministic collations", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}, "url": "/docs/compare/?release=13.10#13.10-2717bdcca432d322", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "2816c467f6dfc309bdc20da3bcb224d2", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "Fix memory leak in hashing strings with nondeterministic collations", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}, "url": "/docs/compare/?release=12.14#12.14-c40cfd49255afd45", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}]}, {"id": "15.2-4e3438199ed34589", "cves": [], "html": "Fix deadlock between DROP DATABASE and logical replication worker process (Hou Zhijie) §
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\nThe previous coding leaked the connection object. In background code paths that's pretty harmless because the calling process will give up and exit. But in commands such as CREATE SUBSCRIPTION, such a failure resulted in a small session-lifespan memory leak.
In hot-standby servers, reduce processing effort for tracking XIDs known to be active on the primary (Simon Riggs, Michail Nikolaev) §
\nInsufficiently-aggressive cleanup of the KnownAssignedXids array could lead to poor performance, particularly when max_connections is set to a large value on the standby.
Ignore invalidated logical-replication slots while determining oldest catalog xmin (Sirisha Chamarthi) §
\nA replication slot could prevent cleanup of dead tuples in the system catalogs even after it becomes invalidated due to exceeding max_slot_wal_keep_size. Thus, failure of a replication consumer could lead to indefinitely-large catalog bloat.
In logical decoding, notify the remote node when a transaction is detected to have crashed (Hou Zhijie) §
\nAfter a server restart, we'll re-stream the changes for transactions occurring shortly before the restart. Some of these transactions probably never completed; when we realize that one didn't we throw away the relevant decoding state locally, but we neglected to tell the subscriber about it. That led to the subscriber keeping useless streaming files until it's next restarted.
", "text": "In logical decoding, notify the remote node when a transaction is detected to have crashed (Hou Zhijie) § After a server restart, we'll re-stream the changes for transactions occurring shortly before the restart. Some of these transactions probably never completed; when we realize that one didn't we throw away the relevant decoding state locally, but we neglected to tell the subscriber about it. That led to the subscriber keeping useless streaming files until it's next restarted.", "title": "In logical decoding, notify the remote node when a transaction is detected to have crashed", "commits": ["18b81258a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "e2cdec34e99853499220852c0c254b1c704a700b9dd6f0a0ecc425c3385d5ae5", "section_path": ["Changes"], "commit_groups": [["18b81258a", "2b6df0546", "b2cc5b810"]], "identity_text": "In logical decoding, notify the remote node when a transaction is detected to have crashed (Hou Zhijie) After a server restart, we'll re-stream the changes for transactions occurring shortly before the restart. Some of these transactions probably never completed; when we realize that one didn't we throw away the relevant decoding state locally, but we neglected to tell the subscriber about it. That led to the subscriber keeping useless streaming files until it's next restarted.", "commit_aliases": ["18b81258a", "2b6df0546", "b2cc5b810"], "source_commits": ["18b81258a"], "source_entry_id": "15.2/changes/035", "db_id": "ee0222047d6b2abfe12f9cf43b75a1f8", "patch_ids": ["90f4763aa9b13208c51e548ce1cfb8f0"], "statement_hash": "d439ee88239826abed8cb4da12dcc964c53dfb375200c63b146308ba3f9b1d95", "relations": [{"rule": 2, "type": "equivalent", "target": "f732d611cd29941389c127553a73e2e4", "evidence": {"same_day": true, "patch_ids": ["90f4763aa9b13208c51e548ce1cfb8f0"], "statement_hash": "d439ee88239826abed8cb4da12dcc964c53dfb375200c63b146308ba3f9b1d95"}}], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f732d611cd29941389c127553a73e2e4", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "In logical decoding, notify the remote node when a transaction is detected to have crashed", "evidence": {"same_day": true, "patch_ids": ["90f4763aa9b13208c51e548ce1cfb8f0"], "statement_hash": "d439ee88239826abed8cb4da12dcc964c53dfb375200c63b146308ba3f9b1d95"}, "url": "/docs/compare/?release=14.7#14.7-375bf38468f35c0c", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}]}, {"id": "15.2-1bb0cfb2b80f606f", "cves": [], "html": "Fix uninitialized-memory usage in logical decoding (Masahiko Sawada) §
\nIn certain cases, resumption of logical decoding could try to re-use XID data that had already been freed, leading to unpredictable behavior.
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\nWe neglected to acquire the appropriate lock while updating data about two-phase transactions, potentially allowing other processes to see inconsistent data.
", "text": "Acquire spinlock while updating shared state during logical decoding context creation (Masahiko Sawada) § We neglected to acquire the appropriate lock while updating data about two-phase transactions, potentially allowing other processes to see inconsistent data.", "title": "Acquire spinlock while updating shared state during logical decoding context creation", "commits": ["6f25e4877"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "6ec68b2164e30a99eb8bb61c48006fb4dfd6456a6826f6c68ad06b270b96aac6", "section_path": ["Changes"], "commit_groups": [["5ad165d2c", "6f25e4877"]], "identity_text": "Acquire spinlock while updating shared state during logical decoding context creation (Masahiko Sawada) We neglected to acquire the appropriate lock while updating data about two-phase transactions, potentially allowing other processes to see inconsistent data.", "commit_aliases": ["5ad165d2c", "6f25e4877"], "source_commits": ["6f25e4877"], "source_entry_id": "15.2/changes/037", "db_id": "3c3f402ca81062eafa57a9053bf3e6c2", "patch_ids": ["7de0814a5cc4d0ce58ace236c4e29104"], "statement_hash": "501b7c98e38d77a4e1847f6cea61c03b5bcd292e97c4f531164def3add379591", "relations": [], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "15.2-bcf1873adb8688e0", "cves": [], "html": "Fix pgoutput replication plug-in to not send columns not listed in a table's replication column list (Hou Zhijie) §
\nUPDATE and DELETE events did not pay attention to the configured column list, thus sending more data than expected. This did not cause a problem when the receiver is our built-in logical replication code, but it might confuse other receivers, and in any case it wasted network bandwidth.
Avoid rare “failed to acquire cleanup lock” panic during WAL replay of hash-index page split operations (Robert Haas) §
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\nFailure to do this left the page possibly different on standby servers than the primary, and violated some other expectations about when the LSN changes. This seems only a theoretical hazard so far as PostgreSQL itself is concerned, but it could upset third-party tools.
", "text": "Advance a heap page's LSN when setting its all-visible bit during WAL replay (Jeff Davis) § Failure to do this left the page possibly different on standby servers than the primary, and violated some other expectations about when the LSN changes. This seems only a theoretical hazard so far as PostgreSQL itself is concerned, but it could upset third-party tools.", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "commits": ["7bf713dd2"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "bc5ac2d2fb28483c18b35178705232cdf4f5ebd9f4a3616f84bec3ba7ef6f681", "section_path": ["Changes"], "commit_groups": [["58a45bb1d", "5eaf3e375", "7bf713dd2", "7dd39e9e8", "d6a3dbe14", "f893af496"]], "identity_text": "Advance a heap page's LSN when setting its all-visible bit during WAL replay (Jeff Davis) Failure to do this left the page possibly different on standby servers than the primary, and violated some other expectations about when the LSN changes. This seems only a theoretical hazard so far as PostgreSQL itself is concerned, but it could upset third-party tools.", "commit_aliases": ["58a45bb1d", "5eaf3e375", "7bf713dd2", "7dd39e9e8", "d6a3dbe14", "f893af496"], "source_commits": ["7bf713dd2"], "source_entry_id": "15.2/changes/040", "db_id": "f392d1567ccd1073c218f3b576032ce6", "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c", "relations": [{"rule": 2, "type": "equivalent", "target": "0a52af951983fba9bfed60788718abce", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}, {"rule": 2, "type": "equivalent", "target": "a849f5b97bde2347692ac39d9bb22fac", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}, {"rule": 2, "type": "equivalent", "target": "d075e92a3d8b3a092881d4f990bd0d56", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}, {"rule": 2, "type": "equivalent", "target": "d08b648a27abdbdb17fdafeb4c59538c", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}], "version": "15.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0a52af951983fba9bfed60788718abce", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=14.7#14.7-718290997b4c9316", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "d08b648a27abdbdb17fdafeb4c59538c", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=13.10#13.10-765605010314565b", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "a849f5b97bde2347692ac39d9bb22fac", "kind": "equivalent", "version": "12.14", "label": "12.14", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=12.14#12.14-f8e2a39d2dce41bf", "source_url": "/docs/release/12.14/#id-1.11.6.14.5"}, {"db_id": "d075e92a3d8b3a092881d4f990bd0d56", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=11.19#11.19-9647dd729ac675d6", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "15.2-6dc5a4242f65ad0d", "cves": [], "html": "Fix int64_div_fast_to_numeric() to work for a wider range of inputs (Dean Rasheed) §
This function misbehaved with some values of its second argument. No such usages exist in core PostgreSQL, but it's clearly a hazard for external modules, so repair.
", "text": "Fix int64_div_fast_to_numeric() to work for a wider range of inputs (Dean Rasheed) § This function misbehaved with some values of its second argument. No such usages exist in core PostgreSQL, but it's clearly a hazard for external modules, so repair.", "title": "Fix int64_div_fast_to_numeric() to work for a wider range of inputs", "commits": ["4f74741a5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/15.2/#id-1.11.6.23.5", "source_hash": "d8d4ca6f513ae973d8552537dd96c6f24d12a22c116deafb1d3d74fed9be2090", "section_path": ["Changes"], "commit_groups": [["4f74741a5", "86bfbeab4", "b2d479289"]], "identity_text": "Fix int64_div_fast_to_numeric() to work for a wider range of inputs (Dean Rasheed) This function misbehaved with some values of its second argument. No such usages exist in core PostgreSQL, but it's clearly a hazard for external modules, so repair.", "commit_aliases": ["4f74741a5", "86bfbeab4", "b2d479289"], "source_commits": ["4f74741a5"], "source_entry_id": "15.2/changes/041", "db_id": "7b9ee36407ad208b970aeadd4520f3ba", "patch_ids": ["1f6230921ece7850a37ec13872964f0e"], "statement_hash": "cb40a8c9ed9a1e80751f3eb83ca9ab7e58484a4223695784f130a61f45b1619b", "relations": [{"rule": 2, "type": "equivalent", "target": "5e687e0a73382f6feca9a6ca47c6cd56", "evidence": {"same_day": true, "patch_ids": ["1f6230921ece7850a37ec13872964f0e"], "statement_hash": "cb40a8c9ed9a1e80751f3eb83ca9ab7e58484a4223695784f130a61f45b1619b"}}], "version": "15.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5e687e0a73382f6feca9a6ca47c6cd56", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix int64_div_fast_to_numeric() to work for a wider range of inputs", "evidence": {"same_day": true, "patch_ids": ["1f6230921ece7850a37ec13872964f0e"], "statement_hash": "cb40a8c9ed9a1e80751f3eb83ca9ab7e58484a4223695784f130a61f45b1619b"}, "url": "/docs/compare/?release=14.7#14.7-9e29bd47b4e8b117", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}]}, {"id": "15.2-4ea8bc16de75f44b", "cves": [], "html": "Fix latent buffer-overrun problem in WaitEventSet logic (Thomas Munro) §
The epoll-based and kqueue-based implementations could ask the kernel for too many events if the size of their internal buffer was different from the size of the caller's output buffer. That case is not known to occur in released PostgreSQL versions, but this error is a hazard for external modules and future bug fixes.
Avoid nominally-undefined behavior when accessing shared memory in 32-bit builds (Andres Freund) §
\nclang's undefined-behavior sanitizer complained about use of a pointer that was less aligned than it should be. It's very unlikely that this would cause a problem in non-debug builds, but it's worth fixing for testing purposes.
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\nThe assertion was overly strict, so this mistake was harmless in non-assert builds.
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\nIn principle these errors should never be reached. But if they are, some of them reported the wrong type of object.
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Fix psql's \\sf and \\ef commands to handle SQL-language functions that have SQL-standard function bodies (Tom Lane) §
These commands misidentified the start of the function body when it used new-style syntax.
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Update contrib/pageinspect to mark its disk-accessing functions as PARALLEL RESTRICTED (Tom Lane) §
This avoids possible failure if one of these functions is used to examine a temporary table, since a session's temporary tables are not accessible from parallel workers.
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Fix build on Microsoft Visual Studio 2013 (Tom Lane) §
\nA previous patch supposed that all platforms of interest have snprintf(), but MSVC 2013 isn't quite there yet. Revert to using sprintf() on that platform.
Fix compile failure in building PL/Perl with MSVC when using Strawberry Perl (Andrew Dunstan) §
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Avoid double call of the shutdown callback of an archiver module (Nathan Bossart, Bharath Rupireddy) §
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Prevent postmaster crash when shared-memory state is corrupted (Tom Lane) §
\nThe postmaster process is supposed to survive and initiate a database restart if shared memory becomes corrupted, but one bit of code was being insufficiently cautious about that.
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\nThe single-row flag was not reset at the correct time if pipeline mode was also active.
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Allow cross-platform tablespace relocation in pg_basebackup (Robert Haas) §
\nAllow the remote path in --tablespace-mapping to be either a Unix-style or Windows-style absolute path, since the source server could be on a different OS than the local system.
Fix pg_dump's failure to dump comments attached to some CHECK constraints (Tom Lane) §
Fix CREATE DATABASE to allow its oid parameter to exceed 231 (Tom Lane) §
This oversight prevented pg_upgrade from succeeding when the source installation contained databases with OIDs larger than that.
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Fix incompatibilities with LLVM 15 (Thomas Munro, Andres Freund) §
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This eases porting to new machine architectures, at least if you're using a compiler that supports this GCC builtin function.
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Avoid using sprintf, to avoid compile-time deprecation warnings (Tom Lane) §
Update time zone data files to tzdata release 2022f for DST law changes in Chile, Fiji, Iran, Jordan, Mexico, Palestine, and Syria, plus historical corrections for Chile, Crimea, Iran, and Mexico. (Tom Lane) §
\nAlso, the Europe/Kiev zone has been renamed to Europe/Kyiv. Also, the following zones have been merged into nearby, more-populous zones whose clocks have agreed with them since 1970: Antarctica/Vostok, Asia/Brunei, Asia/Kuala_Lumpur, Atlantic/Reykjavik, Europe/Amsterdam, Europe/Copenhagen, Europe/Luxembourg, Europe/Monaco, Europe/Oslo, Europe/Stockholm, Indian/Christmas, Indian/Cocos, Indian/Kerguelen, Indian/Mahe, Indian/Reunion, Pacific/Chuuk, Pacific/Funafuti, Pacific/Majuro, Pacific/Pohnpei, Pacific/Wake and Pacific/Wallis. (This indirectly affects zones that were already links to one of these: Arctic/Longyearbyen, Atlantic/Jan_Mayen, Iceland, Pacific/Ponape, Pacific/Truk, and Pacific/Yap.) America/Nipigon, America/Rainy_River, America/Thunder_Bay, Europe/Uzhgorod, and Europe/Zaporozhye were also merged into nearby zones after discovering that their claimed post-1970 differences from those zones seem to have been errors. In all these cases, the previous zone name remains as an alias; but the actual data is that of the zone that was merged into.
\nThese zone mergers result in loss of pre-1970 timezone history for the merged zones, which may be troublesome for applications expecting consistency of timestamptz display. As an example, the stored value 1944-06-01 12:00 UTC would previously display as 1944-06-01 13:00:00+01 if the Europe/Stockholm zone is selected, but now it will read out as 1944-06-01 14:00:00+02.
It is possible to build the time zone data files with options that will restore the older zone data, but that choice also inserts a lot of other old (and typically poorly-attested) zone data, resulting in more total changes from the previous release than accepting these upstream changes does. PostgreSQL has chosen to ship the tzdb data as-recommended, and so far as we are aware most major operating system distributions are doing likewise. However, if these changes cause significant problems for your application, a possible solution is to install a local build of the time zone data files using tzdb's backwards-compatibility options (see their PACKRATDATA and PACKRATLIST options).