A dump/restore using pg_dumpall, or use of pg_upgrade, is required for those wishing to migrate data from any previous release.
\nVersion 9.4 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
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ensure that sub-transactions are correctly accounted for when reconstructing a snapshot (Masahiko Sawada)
\nThis error leads to assertion failures; it's unclear whether any bad effects exist in production builds.
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\nALTER SYSTEM itself will not generate such a state, but external tools that modify postgresql.auto.conf could do so. Duplicate entries for the target variable will now be removed, and then the new setting (if any) will be appended at the end.
", "text": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf (Ian Barwick) ALTER SYSTEM itself will not generate such a state, but external tools that modify postgresql.auto.conf could do so. Duplicate entries for the target variable will now be removed, and then the new setting (if any) will be appended at the end.", "title": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.25/#AEN119951", "source_hash": "2a758441d4ca035442b55f78b8e4654b9a7cf4d655b4398b9b5680e63a524fe1", "section_path": ["Changes"], "commit_groups": [["29f9b1819", "32d38f54a", "4784ad7a3", "75b2f011f", "a4b0d955b", "f1bf619ac", "f8c9a0852"]], "identity_text": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf (Ian Barwick) ALTER SYSTEM itself will not generate such a state, but external tools that modify postgresql.auto.conf could do so. Duplicate entries for the target variable will now be removed, and then the new setting (if any) will be appended at the end.", "commit_aliases": ["29f9b1819", "32d38f54a", "4784ad7a3", "75b2f011f", "a4b0d955b", "f1bf619ac", "f8c9a0852"], "source_commits": ["a4b0d955b"], "source_entry_id": "9.4.25/changes/014", "db_id": "d6798e4c7347c23429f678916a94b88a", "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4", "relations": [{"rule": 2, "type": "equivalent", "target": "81a62b06a830c80c290b748a7b7cfa8b", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}}, {"rule": 2, "type": "equivalent", "target": "991531246f99e1c57bcd18d6734f3068", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}}, {"rule": 2, "type": "equivalent", "target": "b6ab242f7102e93a778f875231d85b27", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}}, {"rule": 2, "type": "equivalent", "target": "d0ec309fbaeba9135750d492714772f3", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}}], "version": "9.4.25", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b6ab242f7102e93a778f875231d85b27", "kind": "equivalent", "version": "11.6", "label": "11.6", "title": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}, "url": "/docs/compare/?release=11.6#11.6-f213c709a01f3b20", "source_url": "/docs/release/11.6/#id-1.11.6.21.5"}, {"db_id": "991531246f99e1c57bcd18d6734f3068", "kind": "equivalent", "version": "10.11", "label": "10.11", "title": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}, "url": "/docs/compare/?release=10.11#10.11-f213c709a01f3b20", "source_url": "/docs/release/10.11/#id-1.11.6.17.5"}, {"db_id": "81a62b06a830c80c290b748a7b7cfa8b", "kind": "equivalent", "version": "9.6.16", "label": "9.6.16", "title": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}, "url": "/docs/compare/?release=9.6.16#9.6.16-f213c709a01f3b20", "source_url": "/docs/release/9.6.16/#AEN133252"}, {"db_id": "d0ec309fbaeba9135750d492714772f3", "kind": "equivalent", "version": "9.5.20", "label": "9.5.20", "title": "Fix ALTER SYSTEM to cope with duplicate entries in postgresql.auto.conf", "evidence": {"same_day": true, "patch_ids": ["4130a27c8c81a139d7d50dc89d86da9c"], "statement_hash": "a3d02dbbda8e973f29cd2dda38b81e6f0190dedd02d6cd11722c5a069c7693d4"}, "url": "/docs/compare/?release=9.5.20#9.5.20-f213c709a01f3b20", "source_url": "/docs/release/9.5.20/#AEN128082"}]}, {"id": "9.4.25-7d2801a7208a7ab0", "cves": [], "html": "Avoid logging complaints about abandoned connections when using PAM authentication (Tom Lane)
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", "text": "Avoid logging complaints about abandoned connections when using PAM authentication (Tom Lane) libpq-based clients will typically make two connection attempts when a password is required, since they don't prompt their user for a password until their first connection attempt fails. Therefore the server is coded not to generate useless log spam when a client closes the connection upon being asked for a password. However, the PAM authentication code hadn't gotten that memo, and would generate several messages about a phantom authentication failure.", "title": "Avoid logging complaints about abandoned connections when using PAM authentication", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.25/#AEN119951", "source_hash": "7749524f22a0094de543bed8c7abd281565515d514c903fcef856348e6b2d0ab", "section_path": ["Changes"], "commit_groups": [["0238a5028", "383602f9a", "3affe76ef", "762b25653", "970372037", "97ddc47b9", "f9bd3b6d9"]], "identity_text": "Avoid logging complaints about abandoned connections when using PAM authentication (Tom Lane) libpq-based clients will typically make two connection attempts when a password is required, since they don't prompt their user for a password until their first connection attempt fails. 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\nIf a time zone with a time-varying UTC offset is specified, then a date must be as well, so that the offset can be resolved. Depending on the syntax used, this check was not enforced in some cases, allowing bogus output to be produced.
", "text": "Fix some cases where an incomplete date specification is not detected in time with time zone input (Alexander Lakhin) If a time zone with a time-varying UTC offset is specified, then a date must be as well, so that the offset can be resolved. Depending on the syntax used, this check was not enforced in some cases, allowing bogus output to be produced.", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.25/#AEN119951", "source_hash": "c5e0a07bd5c21d8a6593abab8f24e9f69fd8b20129849a240a514e5cd71ed0cf", "section_path": ["Changes"], "commit_groups": [["1ba4d0fe4", "1de3e0589", "1f7943698", "64579be64", "7c64a2cd9", "d16d241a5", "d8652ec55"]], "identity_text": "Fix some cases where an incomplete date specification is not detected in time with time zone input (Alexander Lakhin) If a time zone with a time-varying UTC offset is specified, then a date must be as well, so that the offset can be resolved. Depending on the syntax used, this check was not enforced in some cases, allowing bogus output to be produced.", "commit_aliases": ["1ba4d0fe4", "1de3e0589", "1f7943698", "64579be64", "7c64a2cd9", "d16d241a5", "d8652ec55"], "source_commits": ["1f7943698"], "source_entry_id": "9.4.25/changes/016", "db_id": "9e914978d794c368b7a8e1ac8993679b", "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177", "relations": [{"rule": 2, "type": "equivalent", "target": "2a9e62be3ffc7276d860702b4081ff5c", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}, {"rule": 2, "type": "equivalent", "target": "2bfe1ef2301830504e90b8803a43ae0e", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}, {"rule": 2, "type": "equivalent", "target": "79937d972cd7886d0feafdfde64f0c08", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}, {"rule": 2, "type": "equivalent", "target": "9d5359b840004ae92038794c6995b394", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}], "version": "9.4.25", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9d5359b840004ae92038794c6995b394", "kind": "equivalent", "version": "11.6", "label": "11.6", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=11.6#11.6-9ca34b46a8591f3c", "source_url": "/docs/release/11.6/#id-1.11.6.21.5"}, {"db_id": "2bfe1ef2301830504e90b8803a43ae0e", "kind": "equivalent", "version": "10.11", "label": "10.11", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=10.11#10.11-9ca34b46a8591f3c", "source_url": "/docs/release/10.11/#id-1.11.6.17.5"}, {"db_id": "2a9e62be3ffc7276d860702b4081ff5c", "kind": "equivalent", "version": "9.6.16", "label": "9.6.16", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=9.6.16#9.6.16-9ca34b46a8591f3c", "source_url": "/docs/release/9.6.16/#AEN133252"}, {"db_id": "79937d972cd7886d0feafdfde64f0c08", "kind": "equivalent", "version": "9.5.20", "label": "9.5.20", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=9.5.20#9.5.20-9ca34b46a8591f3c", "source_url": "/docs/release/9.5.20/#AEN128082"}]}, {"id": "9.4.25-5a5893e40f010ae4", "cves": [], "html": "Fix misbehavior of bitshiftright() (Tom Lane)
The bitstring right shift operator failed to zero out padding space that exists in the last byte of the result when the bitstring length is not a multiple of 8. While invisible to most operations, any nonzero bits there would result in unexpected comparison behavior, since bitstring comparisons don't bother to ignore the extra bits, expecting them to always be zero.
\nIf you have inconsistent data as a result of saving the output of bitshiftright() in a table, it's possible to fix it with something like
UPDATE mytab SET bitcol = ~(~bitcol) WHERE bitcol != ~(~bitcol);\n", "text": "Fix misbehavior of bitshiftright() (Tom Lane) The bitstring right shift operator failed to zero out padding space that exists in the last byte of the result when the bitstring length is not a multiple of 8. While invisible to most operations, any nonzero bits there would result in unexpected comparison behavior, since bitstring comparisons don't bother to ignore the extra bits, expecting them to always be zero. If you have inconsistent data as a result of saving the output of bitshiftright() in a table, it's possible to fix it with something like UPDATE mytab SET bitcol = ~(~bitcol) WHERE bitcol != ~(~bitcol);", "title": "Fix misbehavior of bitshiftright()", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.25/#AEN119951", "source_hash": "7fd4821162c36467b60dae2c5e409b4a27870213b490f6e1ed7fa58b4cc8f53c", "section_path": ["Changes"], "commit_groups": [["096d34c3b", "35eb13270", "5ac0d9360", "6ddd164aa", "7e7abed05", "860216efa", "8a17afe84"], ["30e5b3bbe", "61aa9f544", "6c3b6406d", "8b77f783b", "9faa9794f", "b6a6c129f", "b8ddf0bdf"]], "identity_text": "Fix misbehavior of bitshiftright() (Tom Lane) The bitstring right shift operator failed to zero out padding space that exists in the last byte of the result when the bitstring length is not a multiple of 8. 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Fix detection of edge-case integer overflow in interval multiplication (Yuya Watari)
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ALTER COLUMN TYPE when altering multiple columns' types in one command (Tom Lane)
\nThis fixes a regression introduced in the most recent minor releases: indexes using the altered columns were not processed correctly, leading to strange failures during ALTER TABLE.
", "text": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command (Tom Lane) This fixes a regression introduced in the most recent minor releases: indexes using the altered columns were not processed correctly, leading to strange failures during ALTER TABLE.", "title": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.24/#AEN120159", "source_hash": "1d64d706347e05442a6ee8a50e034a51b6cce8377262d4400f2cec149340d278", "section_path": ["Changes"], "commit_groups": [["316f68932", "afaf48afb", "cb8962ce8", "da1041fc3", "ddfb1b2ee", "f946a4091"]], "identity_text": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command (Tom Lane) This fixes a regression introduced in the most recent minor releases: indexes using the altered columns were not processed correctly, leading to strange failures during ALTER TABLE.", "commit_aliases": ["316f68932", "afaf48afb", "cb8962ce8", "da1041fc3", "ddfb1b2ee", "f946a4091"], "source_commits": ["ddfb1b2ee"], "source_entry_id": "9.4.24/changes/002", "db_id": "2a0bca167f251b2cd29370adec7eaee3", "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433", "relations": [{"rule": 2, "type": "equivalent", "target": "2bc25a84dc95a7781a44f9b4acd4cd68", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}}, {"rule": 2, "type": "equivalent", "target": "991b2bf86a34a36e3324f983c91aafaf", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}}, {"rule": 2, "type": "equivalent", "target": "e765c1b126a0441fdebbea41fada1622", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}}, {"rule": 2, "type": "equivalent", "target": "fe9cbebe5808f24b99c7cb69f70986de", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}}], "version": "9.4.24", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "e765c1b126a0441fdebbea41fada1622", "kind": "equivalent", "version": "11.5", "label": "11.5", "title": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}, "url": "/docs/compare/?release=11.5#11.5-c4ecc987984cf907", "source_url": "/docs/release/11.5/#id-1.11.6.22.5"}, {"db_id": "fe9cbebe5808f24b99c7cb69f70986de", "kind": "equivalent", "version": "10.10", "label": "10.10", "title": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}, "url": "/docs/compare/?release=10.10#10.10-c4ecc987984cf907", "source_url": "/docs/release/10.10/#id-1.11.6.18.5"}, {"db_id": "991b2bf86a34a36e3324f983c91aafaf", "kind": "equivalent", "version": "9.6.15", "label": "9.6.15", "title": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}, "url": "/docs/compare/?release=9.6.15#9.6.15-c4ecc987984cf907", "source_url": "/docs/release/9.6.15/#AEN133502"}, {"db_id": "2bc25a84dc95a7781a44f9b4acd4cd68", "kind": "equivalent", "version": "9.5.19", "label": "9.5.19", "title": "Fix failure of ALTER TABLE ... ALTER COLUMN TYPE when altering multiple columns' types in one command", "evidence": {"same_day": true, "patch_ids": ["af42394c923a81624887434181501839"], "statement_hash": "6a040d6c69a8e031cc00505b02e82cb4539f0f61d30186a4c5a355d4e50e3433"}, "url": "/docs/compare/?release=9.5.19#9.5.19-c4ecc987984cf907", "source_url": "/docs/release/9.5.19/#AEN128323"}]}, {"id": "9.4.24-172682689722fe64", "cves": [], "html": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint (Tom Lane)
\nALTER TABLE could make an incorrect decision about whether revalidation of a foreign key is necessary, if not all columns of the key are of the same type. It seems likely that the error would always have been in the conservative direction, that is revalidating unnecessarily.
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\nThis error could result in failures like \"cannot read pg_class without having selected a database\".
", "text": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database (Vignesh C, Andres Freund) This error could result in failures like \"cannot read pg_class without having selected a database\".", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.23/#AEN120257", "source_hash": "cc03b84e150e13131d76dd41ba5f9cffacd7c6a63ab680f2e8b0b2d2bc3bcb77", "section_path": ["Changes"], "commit_groups": [["483b2d7ae", "52ad5fc0a", "69f32206d", "b8607e15e", "c01556017", "fff2a7d7b"]], "identity_text": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database (Vignesh C, Andres Freund) This error could result in failures like cannot read pg_class without having selected a database.", "commit_aliases": ["483b2d7ae", "52ad5fc0a", "69f32206d", "b8607e15e", "c01556017", "fff2a7d7b"], "source_commits": ["69f32206d"], "source_entry_id": "9.4.23/changes/005", "db_id": "827a6d2e0daa51d02fae5f72e9ed1c60", "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7", "relations": [{"rule": 2, "type": "equivalent", "target": "8a9e52a1d52618e73a157df3f8bb3bec", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}, {"rule": 2, "type": "equivalent", "target": "90744f89a54c75c9d18bbda103670c0b", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}, {"rule": 2, "type": "equivalent", "target": "93eb49d1a9fa05b38f11502f6653af76", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}, {"rule": 2, "type": "equivalent", "target": "b0a2c3f14f56fa7697ddbdcfd9782707", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}], "version": "9.4.23", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b0a2c3f14f56fa7697ddbdcfd9782707", "kind": "equivalent", "version": "11.4", "label": "11.4", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=11.4#11.4-be382d6252dd5084", "source_url": "/docs/release/11.4/#id-1.11.6.23.5"}, {"db_id": "8a9e52a1d52618e73a157df3f8bb3bec", "kind": "equivalent", "version": "10.9", "label": "10.9", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=10.9#10.9-be382d6252dd5084", "source_url": "/docs/release/10.9/#id-1.11.6.19.5"}, {"db_id": "93eb49d1a9fa05b38f11502f6653af76", "kind": "equivalent", "version": "9.6.14", "label": "9.6.14", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=9.6.14#9.6.14-be382d6252dd5084", "source_url": "/docs/release/9.6.14/#AEN133626"}, {"db_id": "90744f89a54c75c9d18bbda103670c0b", "kind": "equivalent", "version": "9.5.18", "label": "9.5.18", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=9.5.18#9.5.18-be382d6252dd5084", "source_url": "/docs/release/9.5.18/#AEN128426"}]}, {"id": "9.4.23-d3315b83db12d0f7", "cves": [], "html": "Improve initdb's handling of multiple equivalent names for the system time zone (Tom Lane, Andrew Gierth)
\nMake initdb examine the /etc/localtime symbolic link, if that exists, to break ties between equivalent names for the system time zone. This makes initdb more likely to select the time zone name that the user would expect when multiple identical time zones exist. It will not change the behavior if /etc/localtime is not a symlink to a zone data file, nor if the time zone is determined from the TZ environment variable.
\nSeparately, prefer UTC over other spellings of that time zone, when neither TZ nor /etc/localtime provide a hint. This fixes an annoyance introduced by tzdata 2019a's change to make the UCT and UTC zone names equivalent: initdb was then preferring UCT, which almost nobody wants.
", "text": "Improve initdb's handling of multiple equivalent names for the system time zone (Tom Lane, Andrew Gierth) Make initdb examine the /etc/localtime symbolic link, if that exists, to break ties between equivalent names for the system time zone. This makes initdb more likely to select the time zone name that the user would expect when multiple identical time zones exist. It will not change the behavior if /etc/localtime is not a symlink to a zone data file, nor if the time zone is determined from the TZ environment variable. Separately, prefer UTC over other spellings of that time zone, when neither TZ nor /etc/localtime provide a hint. This fixes an annoyance introduced by tzdata 2019a's change to make the UCT and UTC zone names equivalent: initdb was then preferring UCT, which almost nobody wants.", "title": "Improve initdb's handling of multiple equivalent names for the system time zone", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.23/#AEN120257", "source_hash": "a9324abefcb86490993f6500694a188b344669e2a048e4c4962ab76976573426", "section_path": ["Changes"], "commit_groups": [["23bd3cec6", "37011bcb3", "75b0f21e1", "77dc741a1", "8de574aa8", "995b4fe0b"], ["2913a892e", "5f5b6667e", "6335f8a99", "6c66865f3", "7f28fc8e9", "e3846a00c"]], "identity_text": "Improve initdb's handling of multiple equivalent names for the system time zone (Tom Lane, Andrew Gierth) Make initdb examine the /etc/localtime symbolic link, if that exists, to break ties between equivalent names for the system time zone. This makes initdb more likely to select the time zone name that the user would expect when multiple identical time zones exist. It will not change the behavior if /etc/localtime is not a symlink to a zone data file, nor if the time zone is determined from the TZ environment variable. Separately, prefer UTC over other spellings of that time zone, when neither TZ nor /etc/localtime provide a hint. 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", "text": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later (Chapman Flack) Previously PostgreSQL followed the SQL:2003 definition, which doesn't allow this. But that creates a serious problem for dump/restore: there is no setting of xmloption that will accept all valid XML data. Hence, switch to the 2006 definition. pg_dump is also modified to emit SET xmloption = content while restoring data, ensuring that dump/restore works even if the prevailing setting is document.", "title": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.22/#AEN120324", "source_hash": "35ca9d7d07c893896f3cf5ffa3b7bf7c24c2940604e79ef6216f6d02c5406756", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later (Chapman Flack) Previously PostgreSQL followed the SQL:2003 definition, which doesn't allow this. But that creates a serious problem for dump/restore: there is no setting of xmloption that will accept all valid XML data. Hence, switch to the 2006 definition. pg_dump is also modified to emit SET xmloption = content while restoring data, ensuring that dump/restore works even if the prevailing setting is document.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.22/changes/004", "db_id": "2086676771c95a609d6b64562e08edb0", "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded", "relations": [{"rule": 2, "type": "equivalent", "target": "301285ce4093d204e6501892fd9b5151", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}}, {"rule": 2, "type": "equivalent", "target": "35509c0a6100cc945cd7c16a6d72baec", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}}, {"rule": 2, "type": "equivalent", "target": "635be5d8d80a61f198bc53c9ddeb3db5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}}, {"rule": 2, "type": "equivalent", "target": "d4c9ce5a219d9263adccd0f74ac2b381", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}}], "version": "9.4.22", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "35509c0a6100cc945cd7c16a6d72baec", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}, "url": "/docs/compare/?release=11.3#11.3-65e9566211b20bf5", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "301285ce4093d204e6501892fd9b5151", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}, "url": "/docs/compare/?release=10.8#10.8-65e9566211b20bf5", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "d4c9ce5a219d9263adccd0f74ac2b381", "kind": "equivalent", "version": "9.6.13", "label": "9.6.13", "title": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}, "url": "/docs/compare/?release=9.6.13#9.6.13-65e9566211b20bf5", "source_url": "/docs/release/9.6.13/#AEN133723"}, {"db_id": "635be5d8d80a61f198bc53c9ddeb3db5", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Accept XML documents as valid values of type xml when xmloption is set to content, as required by SQL:2006 and later", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ba2336b054e0691b8e1f138516b050e12e01729886d441ba8a6c4e164f66ded"}, "url": "/docs/compare/?release=9.5.17#9.5.17-65e9566211b20bf5", "source_url": "/docs/release/9.5.17/#AEN128505"}]}, {"id": "9.4.22-a36ca08f02826c22", "cves": [], "html": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use (Noah Misch)
\nThe postmaster is now more likely to detect that there are still active processes from a previous postmaster incarnation, even if the postmaster.pid file has been removed.
", "text": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use (Noah Misch) The postmaster is now more likely to detect that there are still active processes from a previous postmaster incarnation, even if the postmaster.pid file has been removed.", "title": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.22/#AEN120324", "source_hash": "7c89892584380210adba703ac193e0cfc6ee46019945b49703090ca09682a4b9", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use (Noah Misch) The postmaster is now more likely to detect that there are still active processes from a previous postmaster incarnation, even if the postmaster.pid file has been removed.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.22/changes/005", "db_id": "8e5dcdf0c92c508318fc1d50f92486b4", "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185", "relations": [{"rule": 2, "type": "equivalent", "target": "3e0dc8919a53552d0431bcd9bf09c820", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}}, {"rule": 2, "type": "equivalent", "target": "4ecb1a0dfe09a23ba50f012651a2b937", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}}, {"rule": 2, "type": "equivalent", "target": "57c110b625e0623530d237e179705f69", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}}, {"rule": 2, "type": "equivalent", "target": "59083f7943af0375b7179837075926ae", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}}], "version": "9.4.22", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "57c110b625e0623530d237e179705f69", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}, "url": "/docs/compare/?release=11.3#11.3-a36ca08f02826c22", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "59083f7943af0375b7179837075926ae", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}, "url": "/docs/compare/?release=10.8#10.8-a36ca08f02826c22", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "3e0dc8919a53552d0431bcd9bf09c820", "kind": "equivalent", "version": "9.6.13", "label": "9.6.13", "title": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}, "url": "/docs/compare/?release=9.6.13#9.6.13-a36ca08f02826c22", "source_url": "/docs/release/9.6.13/#AEN133723"}, {"db_id": "4ecb1a0dfe09a23ba50f012651a2b937", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Improve server's startup-time checks for whether a pre-existing shared memory segment is still in use", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2617d85831b9da49d42b8cd73967dc50b47fe7109a983c8dbc23accdc5016185"}, "url": "/docs/compare/?release=9.5.17#9.5.17-a36ca08f02826c22", "source_url": "/docs/release/9.5.17/#AEN128505"}]}, {"id": "9.4.22-083ba96aa966f605", "cves": [], "html": "Fix incompatibility of GIN-index WAL records (Alexander Korotkov)
\nA fix applied in February's minor releases was not sufficiently careful about backwards compatibility, leading to problems if a standby server of that vintage reads GIN page-deletion WAL records generated by a primary server of a previous minor release.
", "text": "Fix incompatibility of GIN-index WAL records (Alexander Korotkov) A fix applied in February's minor releases was not sufficiently careful about backwards compatibility, leading to problems if a standby server of that vintage reads GIN page-deletion WAL records generated by a primary server of a previous minor release.", "title": "Fix incompatibility of GIN-index WAL records", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.22/#AEN120324", "source_hash": "b2441add7e3ac25cf9a89351470831f690a009899030ab9898c431d750078379", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix incompatibility of GIN-index WAL records (Alexander Korotkov) A fix applied in February's minor releases was not sufficiently careful about backwards compatibility, leading to problems if a standby server of that vintage reads GIN page-deletion WAL records generated by a primary server of a previous minor release.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.22/changes/006", "db_id": "6ade0705a01b6c115e7a5b05799e1e8a", "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269", "relations": [{"rule": 2, "type": "equivalent", "target": "20969dae2aafde17057cd5669e3da33d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}}, {"rule": 2, "type": "equivalent", "target": "8ac6289d89d1fbc54793e1be533234c2", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}}, {"rule": 2, "type": "equivalent", "target": "b4045e089f599f3829cddf06a819b434", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}}, {"rule": 2, "type": "equivalent", "target": "bd4626c573fc81d2806704b26461c907", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}}], "version": "9.4.22", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8ac6289d89d1fbc54793e1be533234c2", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Fix incompatibility of GIN-index WAL records", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}, "url": "/docs/compare/?release=11.3#11.3-083ba96aa966f605", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "b4045e089f599f3829cddf06a819b434", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Fix incompatibility of GIN-index WAL records", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}, "url": "/docs/compare/?release=10.8#10.8-083ba96aa966f605", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "bd4626c573fc81d2806704b26461c907", "kind": "equivalent", "version": "9.6.13", "label": "9.6.13", "title": "Fix incompatibility of GIN-index WAL records", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}, "url": "/docs/compare/?release=9.6.13#9.6.13-083ba96aa966f605", "source_url": "/docs/release/9.6.13/#AEN133723"}, {"db_id": "20969dae2aafde17057cd5669e3da33d", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Fix incompatibility of GIN-index WAL records", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c2cdb1404537cb0788718f43ed5ccc30211424d99e57630b49b5b5931540d269"}, "url": "/docs/compare/?release=9.5.17#9.5.17-083ba96aa966f605", "source_url": "/docs/release/9.5.17/#AEN128505"}]}, {"id": "9.4.22-c2ca06b53cf5b207", "cves": [], "html": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls (Thomas Munro, James Sewell)
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Actual information leaks from btree comparison functions are typically hard to provoke, but in principle they could happen.
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Since setlocale() is not thread-local, and might not even be thread-safe, the previous coding caused problems in multi-threaded ecpg applications.
Fix incorrect results for numeric data passed through an ecpg SQLDA (SQL Descriptor Area) (Daisuke Higuchi)
\nValues with leading zeroes were not copied correctly.
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\nA cursor that scans multiple relations (particularly an inheritance tree) could produce wrong behavior if rewound to an earlier relation.
", "text": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor (Tom Lane) A cursor that scans multiple relations (particularly an inheritance tree) could produce wrong behavior if rewound to an earlier relation.", "title": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.20/#AEN120621", "source_hash": "e7dc8640bb4cae888d7bb328c9188488f8459261727b6bd7570078028de2e5cd", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor (Tom Lane) A cursor that scans multiple relations (particularly an inheritance tree) could produce wrong behavior if rewound to an earlier relation.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.20/changes/005", "db_id": "695ae6ed34779d61bf85465915f83708", "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8", "relations": [{"rule": 2, "type": "equivalent", "target": "4bbd929ffe042cca6bb5214bcb9d0d8d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}}, {"rule": 2, "type": "equivalent", "target": "7774665d3d540dff9f533392cf41364b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}}, {"rule": 2, "type": "equivalent", "target": "b02323187c02b1b18500db0838a9338a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}}, {"rule": 2, "type": "equivalent", "target": "d52d30924584e7029ad77bdbdcabb0bf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}}], "version": "9.4.20", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7774665d3d540dff9f533392cf41364b", "kind": "equivalent", "version": "10.6", "label": "10.6", "title": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}, "url": "/docs/compare/?release=10.6#10.6-856345d5f66b4c53", "source_url": "/docs/release/10.6/#id-1.11.6.22.5"}, {"db_id": "b02323187c02b1b18500db0838a9338a", "kind": "equivalent", "version": "9.6.11", "label": "9.6.11", "title": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}, "url": "/docs/compare/?release=9.6.11#9.6.11-856345d5f66b4c53", "source_url": "/docs/release/9.6.11/#AEN134080"}, {"db_id": "d52d30924584e7029ad77bdbdcabb0bf", "kind": "equivalent", "version": "9.5.15", "label": "9.5.15", "title": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}, "url": "/docs/compare/?release=9.5.15#9.5.15-856345d5f66b4c53", "source_url": "/docs/release/9.5.15/#AEN128843"}, {"db_id": "4bbd929ffe042cca6bb5214bcb9d0d8d", "kind": "equivalent", "version": "9.3.25", "label": "9.3.25", "title": "Fix failure of UPDATE/DELETE ... WHERE CURRENT OF ... after rewinding the referenced cursor", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "06f8948a709e7d2ce1f121ef6f4f975b8d0bf800d3b4c263a0d025d44d8bd3a8"}, "url": "/docs/compare/?release=9.3.25#9.3.25-856345d5f66b4c53", "source_url": "/docs/release/9.3.25/#AEN115135"}]}, {"id": "9.4.20-815732d97d49e8b4", "cves": [], "html": "Fix EvalPlanQual to handle conditionally-executed InitPlans properly (Andrew Gierth, Tom Lane)
This resulted in hard-to-reproduce crashes or wrong answers in concurrent updates, if they contained code such as an uncorrelated sub-SELECT inside a CASE construct.
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\nThis bug affected full-text-search operations, as well as contrib/ltree and contrib/pg_trgm.
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\nThe ownership change should propagate to such sequences as well, but this was missed for foreign tables.
", "text": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table (Peter Eisentraut) The ownership change should propagate to such sequences as well, but this was missed for foreign tables.", "title": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.20/#AEN120621", "source_hash": "f755ab79570b1442a38abfd9836c94a1cd4d5a2aa0c155d3132e34fe9c55ca8a", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table (Peter Eisentraut) The ownership change should propagate to such sequences as well, but this was missed for foreign tables.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.20/changes/008", "db_id": "80b4f6db51589edd819c5252ae52065c", "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93", "relations": [{"rule": 2, "type": "equivalent", "target": "6618083c70ed8a7017bc1d41d078147a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}}, {"rule": 2, "type": "equivalent", "target": "94a2d612e8de966c46ad462e2fb4de7b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}}, {"rule": 2, "type": "equivalent", "target": "b42dca4d55aadf5b6b8c659f0ba6037a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}}, {"rule": 2, "type": "equivalent", "target": "f92b74a6fa58624ac4d59f53d74cfe7e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}}], "version": "9.4.20", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b42dca4d55aadf5b6b8c659f0ba6037a", "kind": "equivalent", "version": "10.6", "label": "10.6", "title": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}, "url": "/docs/compare/?release=10.6#10.6-7e0c3529d9218fe2", "source_url": "/docs/release/10.6/#id-1.11.6.22.5"}, {"db_id": "94a2d612e8de966c46ad462e2fb4de7b", "kind": "equivalent", "version": "9.6.11", "label": "9.6.11", "title": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}, "url": "/docs/compare/?release=9.6.11#9.6.11-7e0c3529d9218fe2", "source_url": "/docs/release/9.6.11/#AEN134080"}, {"db_id": "f92b74a6fa58624ac4d59f53d74cfe7e", "kind": "equivalent", "version": "9.5.15", "label": "9.5.15", "title": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}, "url": "/docs/compare/?release=9.5.15#9.5.15-7e0c3529d9218fe2", "source_url": "/docs/release/9.5.15/#AEN128843"}, {"db_id": "6618083c70ed8a7017bc1d41d078147a", "kind": "equivalent", "version": "9.3.25", "label": "9.3.25", "title": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f00a25f7c8540d34cf0a6284b3f08d8ba48a711c48c9b5565f7daec189a29d93"}, "url": "/docs/compare/?release=9.3.25#9.3.25-7e0c3529d9218fe2", "source_url": "/docs/release/9.3.25/#AEN115135"}]}, {"id": "9.4.20-6b6193e37709ee1d", "cves": [], "html": "Fix over-allocation of space for array_out()'s result string (Keiichi Hirobe)
Fix memory leak in repeated SP-GiST index scans (Tom Lane)
\nThis is only known to amount to anything significant in cases where an exclusion constraint using SP-GiST receives many new index entries in a single command.
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Previously, the file descriptor was leaked, eventually resulting in failures during logical decoding.
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Fix recursion hazard in shared-invalidation message processing (Tom Lane)
\nThis error could, for example, result in failure to access a system catalog or index that had just been processed by VACUUM FULL.
\nThis change adds a new result code for LockAcquire, which might possibly affect external callers of that function, though only very unusual usage patterns would have an issue with it. The API of LockAcquireExtended is also changed.
Save and restore SPI's global variables during SPI_connect() and SPI_finish() (Chapman Flack, Tom Lane)
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", "text": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint (Michael Paquier, Kyotaro Horiguchi, Pavan Deolasee, Álvaro Herrera) This led to a situation where the server did not think it had reached a consistent database state during subsequent WAL replay, preventing restart.", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.19/#AEN120815", "source_hash": "fa7e8f5cc32174e46d7732bce494795003f464d53fc5b58fa5ba8db86d943b04", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint (Michael Paquier, Kyotaro Horiguchi, Pavan Deolasee, Álvaro Herrera) This led to a situation where the server did not think it had reached a consistent database state during subsequent WAL replay, preventing restart.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.19/changes/003", "db_id": "8562f359facbd2be633dfe6e52bbd296", "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f", "relations": [{"rule": 2, "type": "equivalent", "target": "2f3cc96e9aaf64a7e90d7c9fdd39164e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}, {"rule": 2, "type": "equivalent", "target": "7895599dd794125ea13a3eeb6c7a5ff6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}, {"rule": 2, "type": "equivalent", "target": "acd9e84bf9a88ffb7b980a511398871b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}, {"rule": 2, "type": "equivalent", "target": "e9197d5b5d6664ac74d0054e089d2a74", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}], "version": "9.4.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2f3cc96e9aaf64a7e90d7c9fdd39164e", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=10.5#10.5-831b46110b10d7d0", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "7895599dd794125ea13a3eeb6c7a5ff6", "kind": "equivalent", "version": "9.6.10", "label": "9.6.10", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=9.6.10#9.6.10-831b46110b10d7d0", "source_url": "/docs/release/9.6.10/#AEN134332"}, {"db_id": "acd9e84bf9a88ffb7b980a511398871b", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=9.5.14#9.5.14-831b46110b10d7d0", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "e9197d5b5d6664ac74d0054e089d2a74", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=9.3.24#9.3.24-831b46110b10d7d0", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.4.19-1b0d77f32b68d53f", "cves": [], "html": "Avoid emitting a bogus WAL record when recycling an all-zero btree page (Amit Kapila)
\nThis mistake has been seen to cause assertion failures, and potentially it could result in unnecessary query cancellations on hot standby servers.
", "text": "Avoid emitting a bogus WAL record when recycling an all-zero btree page (Amit Kapila) This mistake has been seen to cause assertion failures, and potentially it could result in unnecessary query cancellations on hot standby servers.", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.19/#AEN120815", "source_hash": "1f261ca5298c0d468e5f8e100685ee862f4ef6c3d4616b53a22ea2d517e40f7c", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid emitting a bogus WAL record when recycling an all-zero btree page (Amit Kapila) This mistake has been seen to cause assertion failures, and potentially it could result in unnecessary query cancellations on hot standby servers.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.19/changes/004", "db_id": "a74fce06026a164587c89b59b42606e8", "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f", "relations": [{"rule": 2, "type": "equivalent", "target": "03132998b632c02d15256b84330ab60a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}, {"rule": 2, "type": "equivalent", "target": "2dd037d083b0c3bfe29f7cfbbd4c5611", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}, {"rule": 2, "type": "equivalent", "target": "67b50d90cd1cc74144791acbcf155f1c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}, {"rule": 2, "type": "equivalent", "target": "cf21645a6589d145ccf19e984286e3f7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}], "version": "9.4.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "67b50d90cd1cc74144791acbcf155f1c", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=10.5#10.5-1b0d77f32b68d53f", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "03132998b632c02d15256b84330ab60a", "kind": "equivalent", "version": "9.6.10", "label": "9.6.10", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=9.6.10#9.6.10-1b0d77f32b68d53f", "source_url": "/docs/release/9.6.10/#AEN134332"}, {"db_id": "cf21645a6589d145ccf19e984286e3f7", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=9.5.14#9.5.14-1b0d77f32b68d53f", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "2dd037d083b0c3bfe29f7cfbbd4c5611", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=9.3.24#9.3.24-1b0d77f32b68d53f", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.4.19-a2f995e16ca3e18e", "cves": [], "html": "Improve performance of WAL replay for transactions that drop many relations (Fujii Masao)
\nThis change reduces the number of times that shared buffers are scanned, so that it is of most benefit when that setting is large.
", "text": "Improve performance of WAL replay for transactions that drop many relations (Fujii Masao) This change reduces the number of times that shared buffers are scanned, so that it is of most benefit when that setting is large.", "title": "Improve performance of WAL replay for transactions that drop many relations", "commits": [], "section": "Changes", "category": "performance", "source_url": "/docs/release/9.4.19/#AEN120815", "source_hash": "7cc920f9076e43b10d60cc01c4b21850edbb0ed4aeb95ff3f54a6585449d78b1", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Improve performance of WAL replay for transactions that drop many relations (Fujii Masao) This change reduces the number of times that shared buffers are scanned, so that it is of most benefit when that setting is large.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.19/changes/005", "db_id": "152828386a677615583bbe556b597df0", "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381", "relations": [{"rule": 2, "type": "equivalent", "target": "0a7c3a5fd7a055838a2d503121a355db", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}}, {"rule": 2, "type": "equivalent", "target": "442bd49ac88e1927ac19e63a17c88a11", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}}, {"rule": 2, "type": "equivalent", "target": "53d49ed990ec4935f62ad367fb4e998e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}}, {"rule": 2, "type": "equivalent", "target": "87e029f82b47117920a10995449b3418", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}}], "version": "9.4.19", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": [{"db_id": "442bd49ac88e1927ac19e63a17c88a11", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Improve performance of WAL replay for transactions that drop many relations", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}, "url": "/docs/compare/?release=10.5#10.5-a2f995e16ca3e18e", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "0a7c3a5fd7a055838a2d503121a355db", "kind": "equivalent", "version": "9.6.10", "label": "9.6.10", "title": "Improve performance of WAL replay for transactions that drop many relations", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}, "url": "/docs/compare/?release=9.6.10#9.6.10-a2f995e16ca3e18e", "source_url": "/docs/release/9.6.10/#AEN134332"}, {"db_id": "87e029f82b47117920a10995449b3418", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Improve performance of WAL replay for transactions that drop many relations", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}, "url": "/docs/compare/?release=9.5.14#9.5.14-a2f995e16ca3e18e", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "53d49ed990ec4935f62ad367fb4e998e", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Improve performance of WAL replay for transactions that drop many relations", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dae0982858056281ddd784b5db4d4042731d4c1115c7c137a61454406027b381"}, "url": "/docs/compare/?release=9.3.24#9.3.24-a2f995e16ca3e18e", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.4.19-d18f797d6c4aca06", "cves": [], "html": "Improve performance of lock releasing in standby server WAL replay (Thomas Munro)
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\nThe code previously mis-detected whether or not it had caught up with the upstream server.
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", "text": "Fix bugs in snapshot handling during logical decoding, allowing wrong decoding results in rare cases (Arseny Sher, Álvaro Herrera)", "title": "Fix bugs in snapshot handling during logical decoding, allowing wrong decoding results in rare cases", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.19/#AEN120815", "source_hash": "b7f0b5819259613fb23215bd6dc8f782dc0149974598072935318c62cca494e8", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix bugs in snapshot handling during logical decoding, allowing wrong decoding results in rare cases (Arseny Sher, Álvaro Herrera)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.19/changes/008", "db_id": "ba72487eca3d90a8965a8f78799d4a37", "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77", "relations": [{"rule": 2, "type": "equivalent", "target": "722dda8d255ed48f07a7f1102dc85540", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77"}}, {"rule": 2, "type": "equivalent", "target": "747a23053f3fdc8513934045f4b8a8eb", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77"}}, {"rule": 2, "type": "equivalent", "target": "ed39f60ba1d526a39605d75e09f29524", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77"}}], "version": "9.4.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ed39f60ba1d526a39605d75e09f29524", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Fix bugs in snapshot handling during logical decoding, allowing wrong decoding results in rare cases", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77"}, "url": "/docs/compare/?release=10.5#10.5-51d8fef3074d9e4a", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "722dda8d255ed48f07a7f1102dc85540", "kind": "equivalent", "version": "9.6.10", "label": "9.6.10", "title": "Fix bugs in snapshot handling during logical decoding, allowing wrong decoding results in rare cases", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77"}, "url": "/docs/compare/?release=9.6.10#9.6.10-51d8fef3074d9e4a", "source_url": "/docs/release/9.6.10/#AEN134332"}, {"db_id": "747a23053f3fdc8513934045f4b8a8eb", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Fix bugs in snapshot handling during logical decoding, allowing wrong decoding results in rare cases", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2d59a06961fcbfe2737d81b449e6ec66d6dd457093da06528417729be1ceae77"}, "url": "/docs/compare/?release=9.5.14#9.5.14-51d8fef3074d9e4a", "source_url": "/docs/release/9.5.14/#AEN129077"}]}, {"id": "9.4.19-2fe3092f80287884", "cves": [], "html": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through (Peter Geoghegan)
\nPreviously, the failed index's OID could remain in the list, causing problems later in the same session.
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\nThis could result in an assertion failure after pg_upgrade of a pre-9.4 GIN index (9.4 and later will not create such pages).
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\nCorrupted btree indexes could result in an infinite loop here, and that previously wasn't interruptible without forcing a crash.
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Fix ecpg's support for long long variables on Windows, as well as other platforms that declare strtoll/strtoull nonstandardly or not at all (Dang Minh Huong, Tom Lane)
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", "text": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia. This update includes a redefinition of \"daylight savings\" in Ireland, as well as for some past years in Namibia and Czechoslovakia. In those jurisdictions, legally standard time is observed in summer, and daylight savings time in winter, so that the daylight savings offset is one hour behind standard time not one hour ahead. This does not affect either the actual UTC offset or the timezone abbreviations in use; the only known effect is that the is_dst column in the pg_timezone_names view will now be true in winter and false in summer in these cases.", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.19/#AEN120815", "source_hash": "9f37319456282bec8598cba6308a808640b0982827c1d7cd6fca8042f555e880", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia. This update includes a redefinition of daylight savings in Ireland, as well as for some past years in Namibia and Czechoslovakia. In those jurisdictions, legally standard time is observed in summer, and daylight savings time in winter, so that the daylight savings offset is one hour behind standard time not one hour ahead. This does not affect either the actual UTC offset or the timezone abbreviations in use; the only known effect is that the is_dst column in the pg_timezone_names view will now be true in winter and false in summer in these cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.19/changes/026", "db_id": "eab8b499ede5f2e4cd22b4228850bace", "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c", "relations": [{"rule": 2, "type": "equivalent", "target": "4665643582ca528c025ca51ef876640b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}, {"rule": 2, "type": "equivalent", "target": "5e2e95399fa99faba1ec919a703975de", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}, {"rule": 2, "type": "equivalent", "target": "e66a4e42e0632f51b3db77194fc6ea05", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}, {"rule": 2, "type": "equivalent", "target": "eae244a6dda158da8e88045e274b818f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}], "version": "9.4.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e66a4e42e0632f51b3db77194fc6ea05", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=10.5#10.5-d9e7fdabc8642516", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "eae244a6dda158da8e88045e274b818f", "kind": "equivalent", "version": "9.6.10", "label": "9.6.10", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=9.6.10#9.6.10-d9e7fdabc8642516", "source_url": "/docs/release/9.6.10/#AEN134332"}, {"db_id": "4665643582ca528c025ca51ef876640b", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=9.5.14#9.5.14-d9e7fdabc8642516", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "5e2e95399fa99faba1ec919a703975de", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=9.3.24#9.3.24-d9e7fdabc8642516", "source_url": "/docs/release/9.3.24/#AEN115312"}]}]}, {"date": "2018-05-10", "build": "9.4.18", "major": "9.4", "minor": 18, "manual": "9.4", "status": "stable", "doc_git": "", "version": "9.4.18", "eol_date": "2020-02-13", "date_text": "2018-05-10", "supported": false, "manual_url": "/docs/9.4/release-9-4-18.html", "source_url": "/docs/release/9.4.18/", "entry_count": 32, "placeholder": false, "content_hash": "6b6f2f5f6f9ac5054b387b7f5683d2d4b0a43b150a1d8d4fa2d53d7d37315ce7", "manual_build": "9.4.26", "source_as_of": "", "changes_count": 32, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 9.4.X.
\nHowever, if the function marking mistakes mentioned in the first changelog entry below affect you, you will want to take steps to correct your database catalogs.
\nAlso, if you are upgrading from a version earlier than 9.4.17, see Section E.10.
", "compatibility_count": 0, "label": "9.4.18", "status_label": "Historical", "eol": "2020-02-13", "age_days": 3064, "support_days": -2420, "entries": [{"id": "9.4.18-d69dd3296f3254e9", "cves": [], "html": "Fix incorrect volatility markings on a few built-in functions (Thomas Munro, Tom Lane)
\nThe functions query_to_xml, cursor_to_xml, cursor_to_xmlschema, query_to_xmlschema, and query_to_xml_and_xmlschema should be marked volatile because they execute user-supplied queries that might contain volatile operations. They were not, leading to a risk of incorrect query optimization. This has been repaired for new installations by correcting the initial catalog data, but existing installations will continue to contain the incorrect markings. Practical use of these functions seems to pose little hazard, but in case of trouble, it can be fixed by manually updating these functions' pg_proc entries, for example ALTER FUNCTION pg_catalog.query_to_xml(text, boolean, boolean, text) VOLATILE. (Note that that will need to be done in each database of the installation.) Another option is to pg_upgrade the database to a version containing the corrected initial data.
Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries (Pavan Deolasee)
\nOnce the OID counter has wrapped around, it's possible to assign a TOAST value whose OID matches a previously deleted entry in the same TOAST table. If that entry were not yet vacuumed away, this resulted in \"unexpected chunk number 0 (expected 1) for toast value nnnnn\" errors, which would persist until the dead entry was removed by VACUUM. Fix by not selecting such OIDs when creating a new TOAST entry.
", "text": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries (Pavan Deolasee) Once the OID counter has wrapped around, it's possible to assign a TOAST value whose OID matches a previously deleted entry in the same TOAST table. If that entry were not yet vacuumed away, this resulted in \"unexpected chunk number 0 (expected 1) for toast value nnnnn\" errors, which would persist until the dead entry was removed by VACUUM. Fix by not selecting such OIDs when creating a new TOAST entry.", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.18/#AEN120949", "source_hash": "d05641636bce96e46895a854d51f8c25480af75082a92ce242f2d1f0a39e7801", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries (Pavan Deolasee) Once the OID counter has wrapped around, it's possible to assign a TOAST value whose OID matches a previously deleted entry in the same TOAST table. If that entry were not yet vacuumed away, this resulted in unexpected chunk number 0 (expected 1) for toast value nnnnn errors, which would persist until the dead entry was removed by VACUUM. Fix by not selecting such OIDs when creating a new TOAST entry.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.18/changes/002", "db_id": "87f78c7f9303d4e8f2177bdb76e23f66", "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380", "relations": [{"rule": 2, "type": "equivalent", "target": "4035d185e648f4a1a98665cfb8f9342c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}, {"rule": 2, "type": "equivalent", "target": "6880622ffcd47407c39b65ab10c581e1", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}, {"rule": 2, "type": "equivalent", "target": "862469b6786f98380f5d936984d0d58d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}, {"rule": 2, "type": "equivalent", "target": "e392178093fe6d0921ffb62054aa789b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}], "version": "9.4.18", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e392178093fe6d0921ffb62054aa789b", "kind": "equivalent", "version": "10.4", "label": "10.4", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=10.4#10.4-2e9ceb7faf49d36e", "source_url": "/docs/release/10.4/#id-1.11.6.24.5"}, {"db_id": "4035d185e648f4a1a98665cfb8f9342c", "kind": "equivalent", "version": "9.6.9", "label": "9.6.9", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=9.6.9#9.6.9-2e9ceb7faf49d36e", "source_url": "/docs/release/9.6.9/#AEN134496"}, {"db_id": "6880622ffcd47407c39b65ab10c581e1", "kind": "equivalent", "version": "9.5.13", "label": "9.5.13", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=9.5.13#9.5.13-2e9ceb7faf49d36e", "source_url": "/docs/release/9.5.13/#AEN129230"}, {"db_id": "862469b6786f98380f5d936984d0d58d", "kind": "equivalent", "version": "9.3.23", "label": "9.3.23", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=9.3.23#9.3.23-2e9ceb7faf49d36e", "source_url": "/docs/release/9.3.23/#AEN115427"}]}, {"id": "9.4.18-5dea6d3282166bc5", "cves": [], "html": "Change ANALYZE's algorithm for updating pg_class.reltuples (David Gould)
\nPreviously, pages not actually scanned by ANALYZE were assumed to retain their old tuple density. In a large table where ANALYZE samples only a small fraction of the pages, this meant that the overall tuple density estimate could not change very much, so that reltuples would change nearly proportionally to changes in the table's physical size (relpages) regardless of what was actually happening in the table. This has been observed to result in reltuples becoming so much larger than reality as to effectively shut off autovacuuming. To fix, assume that ANALYZE's sample is a statistically unbiased sample of the table (as it should be), and just extrapolate the density observed within those pages to the whole table.
", "text": "Change ANALYZE's algorithm for updating pg_class.reltuples (David Gould) Previously, pages not actually scanned by ANALYZE were assumed to retain their old tuple density. In a large table where ANALYZE samples only a small fraction of the pages, this meant that the overall tuple density estimate could not change very much, so that reltuples would change nearly proportionally to changes in the table's physical size (relpages) regardless of what was actually happening in the table. This has been observed to result in reltuples becoming so much larger than reality as to effectively shut off autovacuuming. To fix, assume that ANALYZE's sample is a statistically unbiased sample of the table (as it should be), and just extrapolate the density observed within those pages to the whole table.", "title": "Change ANALYZE's algorithm for updating pg_class.reltuples", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.18/#AEN120949", "source_hash": "17141ed953dc3156ee460c4a49239020017883c218f472673493d5aff17814dc", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Change ANALYZE's algorithm for updating pg_class.reltuples (David Gould) Previously, pages not actually scanned by ANALYZE were assumed to retain their old tuple density. In a large table where ANALYZE samples only a small fraction of the pages, this meant that the overall tuple density estimate could not change very much, so that reltuples would change nearly proportionally to changes in the table's physical size (relpages) regardless of what was actually happening in the table. This has been observed to result in reltuples becoming so much larger than reality as to effectively shut off autovacuuming. 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", "text": "Avoid deadlocks in concurrent CREATE INDEX CONCURRENTLY commands that are run under SERIALIZABLE or REPEATABLE READ transaction isolation (Tom Lane)", "title": "Avoid deadlocks in concurrent CREATE INDEX CONCURRENTLY commands that are run under SERIALIZABLE or REPEATABLE READ transaction isolation", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.18/#AEN120949", "source_hash": "1f840f6180a2bf58b76955340c708259db99c10b8d64768dd3c1c5f47bf7bf13", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid deadlocks in concurrent CREATE INDEX CONCURRENTLY commands that are run under SERIALIZABLE or REPEATABLE READ transaction isolation (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.18/changes/004", "db_id": "1dd46aade8b4ab20cf5381f9a17a609c", "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe", "relations": [{"rule": 2, "type": "equivalent", "target": "191769a0661f7d949b324009d138f340", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe"}}, {"rule": 2, "type": "equivalent", "target": "9d82a4f873bce505f63f2ef3c5270503", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe"}}, {"rule": 2, "type": "equivalent", "target": "aad884265a80122f34b9b9684b3f4cfe", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe"}}], "version": "9.4.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "aad884265a80122f34b9b9684b3f4cfe", "kind": "equivalent", "version": "10.4", "label": "10.4", "title": "Avoid deadlocks in concurrent CREATE INDEX CONCURRENTLY commands that are run under SERIALIZABLE or REPEATABLE READ transaction isolation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe"}, "url": "/docs/compare/?release=10.4#10.4-89c9b69f91335f3f", "source_url": "/docs/release/10.4/#id-1.11.6.24.5"}, {"db_id": "9d82a4f873bce505f63f2ef3c5270503", "kind": "equivalent", "version": "9.6.9", "label": "9.6.9", "title": "Avoid deadlocks in concurrent CREATE INDEX CONCURRENTLY commands that are run under SERIALIZABLE or REPEATABLE READ transaction isolation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe"}, "url": "/docs/compare/?release=9.6.9#9.6.9-89c9b69f91335f3f", "source_url": "/docs/release/9.6.9/#AEN134496"}, {"db_id": "191769a0661f7d949b324009d138f340", "kind": "equivalent", "version": "9.5.13", "label": "9.5.13", "title": "Avoid deadlocks in concurrent CREATE INDEX CONCURRENTLY commands that are run under SERIALIZABLE or REPEATABLE READ transaction isolation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "21ba85c192f8e7aef47763976074fb88ac7afbb31e5ab0c0ab8477104ce277fe"}, "url": "/docs/compare/?release=9.5.13#9.5.13-89c9b69f91335f3f", "source_url": "/docs/release/9.5.13/#AEN129230"}]}, {"id": "9.4.18-346358bbf5b80085", "cves": [], "html": "Fix possible slow execution of REFRESH MATERIALIZED VIEW CONCURRENTLY (Thomas Munro)
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\nHowever, if you run an installation in which not all users are mutually trusting, or if you maintain an application or extension that is intended for use in arbitrary situations, it is strongly recommended that you read the documentation changes described in the first changelog entry below, and take suitable steps to ensure that your installation or code is secure.
\nAlso, the changes described in the second changelog entry below may cause functions used in index expressions or materialized views to fail during auto-analyze, or when reloading from a dump. After upgrading, monitor the server logs for such problems, and fix affected functions.
\nAlso, if you are upgrading from a version earlier than 9.4.13, see Section E.14.
", "compatibility_count": 0, "label": "9.4.17", "status_label": "Historical", "eol": "2020-02-13", "age_days": 3134, "support_days": -2420, "entries": [{"id": "9.4.17-f6f001c6af5cc1c6", "cves": ["CVE-2018-1058"], "html": "Document how to configure installations and applications to guard against search-path-dependent trojan-horse attacks from other users (Noah Misch)
\nUsing a search_path setting that includes any schemas writable by a hostile user enables that user to capture control of queries and then run arbitrary SQL code with the permissions of the attacked user. While it is possible to write queries that are proof against such hijacking, it is notationally tedious, and it's very easy to overlook holes. Therefore, we now recommend configurations in which no untrusted schemas appear in one's search path. Relevant documentation appears in Section 5.7.6 (for database administrators and users), Section 31.1 (for application authors), Section 35.15.1 (for extension authors), and CREATE FUNCTION (for authors of SECURITY DEFINER functions). (CVE-2018-1058)
", "text": "Document how to configure installations and applications to guard against search-path-dependent trojan-horse attacks from other users (Noah Misch) Using a search_path setting that includes any schemas writable by a hostile user enables that user to capture control of queries and then run arbitrary SQL code with the permissions of the attacked user. While it is possible to write queries that are proof against such hijacking, it is notationally tedious, and it's very easy to overlook holes. Therefore, we now recommend configurations in which no untrusted schemas appear in one's search path. Relevant documentation appears in Section 5.7.6 (for database administrators and users), Section 31.1 (for application authors), Section 35.15.1 (for extension authors), and CREATE FUNCTION (for authors of SECURITY DEFINER functions). (CVE-2018-1058)", "title": "Document how to configure installations and applications to guard against search-path-dependent trojan-horse attacks from other users", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "b4042750a25e6442ddc559c786c884be483d23d05784f408ed9eb82fdb0fc2c3", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Document how to configure installations and applications to guard against search-path-dependent trojan-horse attacks from other users (Noah Misch) Using a search_path setting that includes any schemas writable by a hostile user enables that user to capture control of queries and then run arbitrary SQL code with the permissions of the attacked user. While it is possible to write queries that are proof against such hijacking, it is notationally tedious, and it's very easy to overlook holes. Therefore, we now recommend configurations in which no untrusted schemas appear in one's search path. Relevant documentation appears in ddl-schemas-patterns (for database administrators and users), libpq-connect (for application authors), extend-extensions-style (for extension authors), and sql-createfunction (for authors of SECURITY DEFINER functions). (CVE-2018-1058)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.17/changes/001", "db_id": "0c568c2662528214db733b793d4b2804", "patch_ids": [], "statement_hash": "3c767e77124e4b0773fa82ae19d2a87a3dd8be0da636be471adac235b69ff6fb", "relations": [{"rule": 2, "type": "equivalent", "target": "d768300c73aa4613bc3d587cf677b173", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3c767e77124e4b0773fa82ae19d2a87a3dd8be0da636be471adac235b69ff6fb"}}], "version": "9.4.17", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "d768300c73aa4613bc3d587cf677b173", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Document how to configure installations and applications to guard against search-path-dependent trojan-horse attacks from other users", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3c767e77124e4b0773fa82ae19d2a87a3dd8be0da636be471adac235b69ff6fb"}, "url": "/docs/compare/?release=9.3.22#9.3.22-f6f001c6af5cc1c6", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.4.17-2ff980e4d3590c0b", "cves": ["CVE-2018-1058"], "html": "Avoid use of insecure search_path settings in pg_dump and other client programs (Noah Misch, Tom Lane)
\npg_dump, pg_upgrade, vacuumdb and other PostgreSQL-provided applications were themselves vulnerable to the type of hijacking described in the previous changelog entry; since these applications are commonly run by superusers, they present particularly attractive targets. To make them secure whether or not the installation as a whole has been secured, modify them to include only the pg_catalog schema in their search_path settings. Autovacuum worker processes now do the same, as well.
\nIn cases where user-provided functions are indirectly executed by these programs — for example, user-provided functions in index expressions — the tighter search_path may result in errors, which will need to be corrected by adjusting those user-provided functions to not assume anything about what search path they are invoked under. That has always been good practice, but now it will be necessary for correct behavior. (CVE-2018-1058)
", "text": "Avoid use of insecure search_path settings in pg_dump and other client programs (Noah Misch, Tom Lane) pg_dump, pg_upgrade, vacuumdb and other PostgreSQL-provided applications were themselves vulnerable to the type of hijacking described in the previous changelog entry; since these applications are commonly run by superusers, they present particularly attractive targets. To make them secure whether or not the installation as a whole has been secured, modify them to include only the pg_catalog schema in their search_path settings. Autovacuum worker processes now do the same, as well. In cases where user-provided functions are indirectly executed by these programs — for example, user-provided functions in index expressions — the tighter search_path may result in errors, which will need to be corrected by adjusting those user-provided functions to not assume anything about what search path they are invoked under. That has always been good practice, but now it will be necessary for correct behavior. (CVE-2018-1058)", "title": "Avoid use of insecure search_path settings in pg_dump and other client programs", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "086f485051777cfc5575c2811e9fb97623fa278601d1596f843001425d514504", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid use of insecure search_path settings in pg_dump and other client programs (Noah Misch, Tom Lane) pg_dump, pg_upgrade, vacuumdb and other PostgreSQL-provided applications were themselves vulnerable to the type of hijacking described in the previous changelog entry; since these applications are commonly run by superusers, they present particularly attractive targets. To make them secure whether or not the installation as a whole has been secured, modify them to include only the pg_catalog schema in their search_path settings. Autovacuum worker processes now do the same, as well. In cases where user-provided functions are indirectly executed by these programs — for example, user-provided functions in index expressions — the tighter search_path may result in errors, which will need to be corrected by adjusting those user-provided functions to not assume anything about what search path they are invoked under. That has always been good practice, but now it will be necessary for correct behavior. 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\nIf a CTE (WITH clause reference) is used in an InitPlan or SubPlan, and the query requires a recheck due to trying to update or lock a concurrently-updated row, incorrect results could be obtained.
", "text": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans (Tom Lane) If a CTE (WITH clause reference) is used in an InitPlan or SubPlan, and the query requires a recheck due to trying to update or lock a concurrently-updated row, incorrect results could be obtained.", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "ea87e11868ef81a69cdaf6dfe008350f17f6c533db78ab48522ddccf9f5fd5a5", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans (Tom Lane) If a CTE (WITH clause reference) is used in an InitPlan or SubPlan, and the query requires a recheck due to trying to update or lock a concurrently-updated row, incorrect results could be obtained.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.17/changes/003", "db_id": "65c2b1f3aa8fcd6277735aeab8756942", "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb", "relations": [{"rule": 2, "type": "equivalent", "target": "4ac3c087eadec6a09af2ac698c7527e8", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}, {"rule": 2, "type": "equivalent", "target": "557e981b12d86db91785cdce175221a5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}, {"rule": 2, "type": "equivalent", "target": "9bf393cccf389e1408524d365c537615", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}, {"rule": 2, "type": "equivalent", "target": "a8daaadc8ea647c9253fa0ea6edcdf0e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}], "version": "9.4.17", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "557e981b12d86db91785cdce175221a5", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=10.3#10.3-e15ae7dbd14211c5", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "9bf393cccf389e1408524d365c537615", "kind": "equivalent", "version": "9.6.8", "label": "9.6.8", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=9.6.8#9.6.8-e15ae7dbd14211c5", "source_url": "/docs/release/9.6.8/#AEN134711"}, {"db_id": "4ac3c087eadec6a09af2ac698c7527e8", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=9.5.12#9.5.12-e15ae7dbd14211c5", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "a8daaadc8ea647c9253fa0ea6edcdf0e", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=9.3.22#9.3.22-e15ae7dbd14211c5", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.4.17-4090869f35defda4", "cves": [], "html": "Fix planner failures with overlapping mergejoin clauses in an outer join (Tom Lane)
\nThese mistakes led to \"left and right pathkeys do not match in mergejoin\" or \"outer pathkeys do not match mergeclauses\" planner errors in corner cases.
", "text": "Fix planner failures with overlapping mergejoin clauses in an outer join (Tom Lane) These mistakes led to \"left and right pathkeys do not match in mergejoin\" or \"outer pathkeys do not match mergeclauses\" planner errors in corner cases.", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "d576d7d55645300d80308749ec5b5297bab607c04d0a7531ea6e6004e9534122", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix planner failures with overlapping mergejoin clauses in an outer join (Tom Lane) These mistakes led to left and right pathkeys do not match in mergejoin or outer pathkeys do not match mergeclauses planner errors in corner cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.17/changes/004", "db_id": "56fa2fc847577a89467780f69c68e5f3", "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c", "relations": [{"rule": 2, "type": "equivalent", "target": "0246ca748e8808601f2952aaf477bc7d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}, {"rule": 2, "type": "equivalent", "target": "112e761317a2a41a3ad1e08f6759cb18", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}, {"rule": 2, "type": "equivalent", "target": "9aada7ac4c7520858d32cdd00dd57e1f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}, {"rule": 2, "type": "equivalent", "target": "9cc2fe244dd7f351eac0b31733b2d757", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}], "version": "9.4.17", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0246ca748e8808601f2952aaf477bc7d", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=10.3#10.3-4090869f35defda4", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "9cc2fe244dd7f351eac0b31733b2d757", "kind": "equivalent", "version": "9.6.8", "label": "9.6.8", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=9.6.8#9.6.8-4090869f35defda4", "source_url": "/docs/release/9.6.8/#AEN134711"}, {"db_id": "112e761317a2a41a3ad1e08f6759cb18", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=9.5.12#9.5.12-4090869f35defda4", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "9aada7ac4c7520858d32cdd00dd57e1f", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=9.3.22#9.3.22-4090869f35defda4", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.4.17-fdeb1e8475fdefa2", "cves": [], "html": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views (Tom Lane, Andres Freund)
\nThis oversight could lead to data corruption in materialized views after an upgrade, manifesting as \"could not access status of transaction\" or \"found xmin from before relfrozenxid\" errors. The problem would be more likely to occur in seldom-refreshed materialized views, or ones that were maintained only with REFRESH MATERIALIZED VIEW CONCURRENTLY.
\nIf such corruption is observed, it can be repaired by refreshing the materialized view (without CONCURRENTLY).
", "text": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views (Tom Lane, Andres Freund) This oversight could lead to data corruption in materialized views after an upgrade, manifesting as \"could not access status of transaction\" or \"found xmin from before relfrozenxid\" errors. The problem would be more likely to occur in seldom-refreshed materialized views, or ones that were maintained only with REFRESH MATERIALIZED VIEW CONCURRENTLY. If such corruption is observed, it can be repaired by refreshing the materialized view (without CONCURRENTLY).", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "a5788db0efa33d3edaa7ec50ed7ae54c616e5e97b80ed7cc0b46aec3c6ac57ae", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views (Tom Lane, Andres Freund) This oversight could lead to data corruption in materialized views after an upgrade, manifesting as could not access status of transaction or found xmin from before relfrozenxid errors. The problem would be more likely to occur in seldom-refreshed materialized views, or ones that were maintained only with REFRESH MATERIALIZED VIEW CONCURRENTLY. If such corruption is observed, it can be repaired by refreshing the materialized view (without CONCURRENTLY).", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.17/changes/005", "db_id": "6ec91031a9df77ef7dd3930d1b4037a6", "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5", "relations": [{"rule": 2, "type": "equivalent", "target": "267341483bb67f18762263a23a116a9a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}, {"rule": 2, "type": "equivalent", "target": "809e86a4b23d7d03113dae5ef73ab9fb", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}, {"rule": 2, "type": "equivalent", "target": "8c7f0090d3efdd2cd57229f28fd5b068", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}, {"rule": 2, "type": "equivalent", "target": "e9404b51f387085a208937d5e6a9fffe", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}], "version": "9.4.17", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "809e86a4b23d7d03113dae5ef73ab9fb", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=10.3#10.3-fdeb1e8475fdefa2", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "e9404b51f387085a208937d5e6a9fffe", "kind": "equivalent", "version": "9.6.8", "label": "9.6.8", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=9.6.8#9.6.8-fdeb1e8475fdefa2", "source_url": "/docs/release/9.6.8/#AEN134711"}, {"db_id": "8c7f0090d3efdd2cd57229f28fd5b068", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=9.5.12#9.5.12-fdeb1e8475fdefa2", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "267341483bb67f18762263a23a116a9a", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=9.3.22#9.3.22-fdeb1e8475fdefa2", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.4.17-3f25b6aa004d70fb", "cves": [], "html": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks (Tom Lane)
\nAn error occurring within a nested PL/Python function call (that is, one reached via a SPI query from another PL/Python function) would result in a stack trace showing the inner function's name twice, rather than the expected results. Also, an error in a nested PL/Python DO block could result in a null pointer dereference crash on some platforms.
", "text": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks (Tom Lane) An error occurring within a nested PL/Python function call (that is, one reached via a SPI query from another PL/Python function) would result in a stack trace showing the inner function's name twice, rather than the expected results. Also, an error in a nested PL/Python DO block could result in a null pointer dereference crash on some platforms.", "title": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "b98fb22e5635ceae0cb72f14a42fe4bb86ab4cdf751364d3bec56d9ffd67ad1b", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks (Tom Lane) An error occurring within a nested PL/Python function call (that is, one reached via a SPI query from another PL/Python function) would result in a stack trace showing the inner function's name twice, rather than the expected results. Also, an error in a nested PL/Python DO block could result in a null pointer dereference crash on some platforms.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.17/changes/006", "db_id": "e61fc28c486ea88b24d944ad276d95f3", "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400", "relations": [{"rule": 2, "type": "equivalent", "target": "641a7d3d3a936660de7b1adcb973d842", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}}, {"rule": 2, "type": "equivalent", "target": "8efb22bf1c2808bb7eb3dd918acf092e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}}, {"rule": 2, "type": "equivalent", "target": "8f7222d3e858041c70d5edc267115e70", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}}, {"rule": 2, "type": "equivalent", "target": "ff5ece554dad73d86b0508d20401b0c9", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}}], "version": "9.4.17", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8efb22bf1c2808bb7eb3dd918acf092e", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}, "url": "/docs/compare/?release=10.3#10.3-3f25b6aa004d70fb", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "641a7d3d3a936660de7b1adcb973d842", "kind": "equivalent", "version": "9.6.8", "label": "9.6.8", "title": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}, "url": "/docs/compare/?release=9.6.8#9.6.8-3f25b6aa004d70fb", "source_url": "/docs/release/9.6.8/#AEN134711"}, {"db_id": "ff5ece554dad73d86b0508d20401b0c9", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}, "url": "/docs/compare/?release=9.5.12#9.5.12-3f25b6aa004d70fb", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "8f7222d3e858041c70d5edc267115e70", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "95ac95eba01e2ab653ffd472aa6f6ad7b8e9c97aa1910cffde48c739c7051400"}, "url": "/docs/compare/?release=9.3.22#9.3.22-3f25b6aa004d70fb", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.4.17-22a88d9acd712970", "cves": [], "html": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes (Tom Lane)
", "text": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes (Tom Lane)", "title": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.17/#AEN121109", "source_hash": "509b02f465b3d3ea9db4169a8b4dc37fda747e26b989d429a5a9eb2594487e34", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.17/changes/007", "db_id": "d8e8bedb3712958c3ebb83d9907fb10b", "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4", "relations": [{"rule": 2, "type": "equivalent", "target": "2a43d364e24fe16f64e31371c27a75b4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}}, {"rule": 2, "type": "equivalent", "target": "39f018451dfc209d196591c749df6ecf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}}, {"rule": 2, "type": "equivalent", "target": "3fbe1d14bce68f7ca59bc906345df355", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}}, {"rule": 2, "type": "equivalent", "target": "e539fab6105b8e64c5a0cf584c2f64e5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}}], "version": "9.4.17", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "39f018451dfc209d196591c749df6ecf", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}, "url": "/docs/compare/?release=10.3#10.3-22a88d9acd712970", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "3fbe1d14bce68f7ca59bc906345df355", "kind": "equivalent", "version": "9.6.8", "label": "9.6.8", "title": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}, "url": "/docs/compare/?release=9.6.8#9.6.8-22a88d9acd712970", "source_url": "/docs/release/9.6.8/#AEN134711"}, {"db_id": "e539fab6105b8e64c5a0cf584c2f64e5", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}, "url": "/docs/compare/?release=9.5.12#9.5.12-22a88d9acd712970", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "2a43d364e24fe16f64e31371c27a75b4", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Allow contrib/auto_explain's log_min_duration setting to range up to INT_MAX, or about 24 days instead of 35 minutes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "eaadbfc5806e32dadac7996d8d66d54eae17f09c30b79d8aa2ef206c3bc6cfc4"}, "url": "/docs/compare/?release=9.3.22#9.3.22-22a88d9acd712970", "source_url": "/docs/release/9.3.22/#AEN115569"}]}]}, {"date": "2018-02-08", "build": "9.4.16", "major": "9.4", "minor": 16, "manual": "9.4", "status": "stable", "doc_git": "", "version": "9.4.16", "eol_date": "2020-02-13", "date_text": "2018-02-08", "supported": false, "manual_url": "/docs/9.4/release-9-4-16.html", "source_url": "/docs/release/9.4.16/", "entry_count": 28, "placeholder": false, "content_hash": "906fb6f35347ebef333b9e2dbcc92debdefa5776f571b70044b7010394e60d01", "manual_build": "9.4.26", "source_as_of": "", "changes_count": 28, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 9.4.X.
\nHowever, if you are upgrading from a version earlier than 9.4.13, see Section E.14.
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\npg_upgrade normally restricts its temporary files to be readable and writable only by the calling user. But the temporary file containing pg_dumpall -g output would be group- or world-readable, or even writable, if the user's umask setting allows. In typical usage on multi-user machines, the umask and/or the working directory's permissions would be tight enough to prevent problems; but there may be people using pg_upgrade in scenarios where this oversight would permit disclosure of database passwords to unfriendly eyes. (CVE-2018-1053)
", "text": "Ensure that all temporary files made by pg_upgrade are non-world-readable (Tom Lane, Noah Misch) pg_upgrade normally restricts its temporary files to be readable and writable only by the calling user. But the temporary file containing pg_dumpall -g output would be group- or world-readable, or even writable, if the user's umask setting allows. In typical usage on multi-user machines, the umask and/or the working directory's permissions would be tight enough to prevent problems; but there may be people using pg_upgrade in scenarios where this oversight would permit disclosure of database passwords to unfriendly eyes. (CVE-2018-1053)", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.16/#AEN121175", "source_hash": "021daaebd3ce7bf335e347579188952bd5a5f24eb03e913409c3a6c9379d3d69", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that all temporary files made by pg_upgrade are non-world-readable (Tom Lane, Noah Misch) pg_upgrade normally restricts its temporary files to be readable and writable only by the calling user. But the temporary file containing pg_dumpall -g output would be group- or world-readable, or even writable, if the user's umask setting allows. In typical usage on multi-user machines, the umask and/or the working directory's permissions would be tight enough to prevent problems; but there may be people using pg_upgrade in scenarios where this oversight would permit disclosure of database passwords to unfriendly eyes. (CVE-2018-1053)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.16/changes/001", "db_id": "a787a63eb7d46a13fb49da1d7154952c", "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372", "relations": [{"rule": 2, "type": "equivalent", "target": "3e27a2a85656b964f66c860c70248836", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}, {"rule": 2, "type": "equivalent", "target": "502a24d61bdbdddb5ce51397266ec1e3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}, {"rule": 2, "type": "equivalent", "target": "83f37cc5a00730f2f6efdc8b47a82ae5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}, {"rule": 2, "type": "equivalent", "target": "fa6f83f05c1fadac3a27a2a9b3013242", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}], "version": "9.4.16", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "fa6f83f05c1fadac3a27a2a9b3013242", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=10.2#10.2-4f881ffec7e1b506", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "502a24d61bdbdddb5ce51397266ec1e3", "kind": "equivalent", "version": "9.6.7", "label": "9.6.7", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=9.6.7#9.6.7-4f881ffec7e1b506", "source_url": "/docs/release/9.6.7/#AEN134783"}, {"db_id": "3e27a2a85656b964f66c860c70248836", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=9.5.11#9.5.11-4f881ffec7e1b506", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "83f37cc5a00730f2f6efdc8b47a82ae5", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=9.3.21#9.3.21-4f881ffec7e1b506", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.4.16-42b765941060ed1e", "cves": [], "html": "Fix vacuuming of tuples that were updated while key-share locked (Andres Freund, Álvaro Herrera)
\nIn some cases VACUUM would fail to remove such tuples even though they are now dead, leading to assorted data corruption scenarios.
", "text": "Fix vacuuming of tuples that were updated while key-share locked (Andres Freund, Álvaro Herrera) In some cases VACUUM would fail to remove such tuples even though they are now dead, leading to assorted data corruption scenarios.", "title": "Fix vacuuming of tuples that were updated while key-share locked", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.16/#AEN121175", "source_hash": "73e84b6632cf99773637b29c40021b5b5d75a976b2e4acd3679a9f2e20abf97a", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix vacuuming of tuples that were updated while key-share locked (Andres Freund, Álvaro Herrera) In some cases VACUUM would fail to remove such tuples even though they are now dead, leading to assorted data corruption scenarios.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.16/changes/002", "db_id": "f46cd1a709ac4d44c8b5ef458c63bb01", "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4", "relations": [{"rule": 2, "type": "equivalent", "target": "2a6b2f9569c99147470015ad187b73cd", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}, {"rule": 2, "type": "equivalent", "target": "578e6835f4779011e8832306cd6043a0", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}, {"rule": 2, "type": "equivalent", "target": "7131bc8c16e7a2bcdc9804fe19434a5a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}, {"rule": 2, "type": "equivalent", "target": "f216ffc4af1e2efa4c6cbec02cfda9a9", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}], "version": "9.4.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2a6b2f9569c99147470015ad187b73cd", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=10.2#10.2-42b765941060ed1e", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "578e6835f4779011e8832306cd6043a0", "kind": "equivalent", "version": "9.6.7", "label": "9.6.7", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=9.6.7#9.6.7-42b765941060ed1e", "source_url": "/docs/release/9.6.7/#AEN134783"}, {"db_id": "7131bc8c16e7a2bcdc9804fe19434a5a", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=9.5.11#9.5.11-42b765941060ed1e", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "f216ffc4af1e2efa4c6cbec02cfda9a9", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=9.3.21#9.3.21-42b765941060ed1e", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.4.16-e2aab45cf3aa2f85", "cves": [], "html": "Fix inadequate buffer locking in some LSN fetches (Jacob Champion, Asim Praveen, Ashwin Agrawal)
\nThese errors could result in misbehavior under concurrent load. The potential consequences have not been characterized fully.
", "text": "Fix inadequate buffer locking in some LSN fetches (Jacob Champion, Asim Praveen, Ashwin Agrawal) These errors could result in misbehavior under concurrent load. The potential consequences have not been characterized fully.", "title": "Fix inadequate buffer locking in some LSN fetches", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.16/#AEN121175", "source_hash": "b9f784f1e9e7fd807d5f1e94730ee26a9a2f4a0e38f26aed7cd5704a9ab074b2", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix inadequate buffer locking in some LSN fetches (Jacob Champion, Asim Praveen, Ashwin Agrawal) These errors could result in misbehavior under concurrent load. The potential consequences have not been characterized fully.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.16/changes/003", "db_id": "7bb15c94de58df30ec8b8a47c835f471", "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5", "relations": [{"rule": 2, "type": "equivalent", "target": "2d24e732ff8f4bf60445f8ca110160ff", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}}, {"rule": 2, "type": "equivalent", "target": "82385f5d32d884d22eed0db877d748be", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}}, {"rule": 2, "type": "equivalent", "target": "c6fdf4a4bb76269450a22fb6669dce9e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}}, {"rule": 2, "type": "equivalent", "target": "cbe59a3d9acef7ea5d799d47bce471b6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}}], "version": "9.4.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "82385f5d32d884d22eed0db877d748be", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix inadequate buffer locking in some LSN fetches", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}, "url": "/docs/compare/?release=10.2#10.2-e2aab45cf3aa2f85", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "2d24e732ff8f4bf60445f8ca110160ff", "kind": "equivalent", "version": "9.6.7", "label": "9.6.7", "title": "Fix inadequate buffer locking in some LSN fetches", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}, "url": "/docs/compare/?release=9.6.7#9.6.7-e2aab45cf3aa2f85", "source_url": "/docs/release/9.6.7/#AEN134783"}, {"db_id": "c6fdf4a4bb76269450a22fb6669dce9e", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix inadequate buffer locking in some LSN fetches", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}, "url": "/docs/compare/?release=9.5.11#9.5.11-e2aab45cf3aa2f85", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "cbe59a3d9acef7ea5d799d47bce471b6", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Fix inadequate buffer locking in some LSN fetches", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2fdf21253cff1d6e2b11e41b8b952086c87381ddcf2bf60a738711cf34c146e5"}, "url": "/docs/compare/?release=9.3.21#9.3.21-e2aab45cf3aa2f85", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.4.16-935b8d2a45586110", "cves": [], "html": "Avoid unnecessary failure in a query on an inheritance tree that occurs concurrently with some child table being removed from the tree by ALTER TABLE NO INHERIT (Tom Lane)
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\nLogical decoding may spill WAL records to disk for transactions generating many WAL records. Normally these files are cleaned up after the transaction's commit or abort record arrives; but if no such record is ever seen, the removal code misbehaved.
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", "text": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction (Petr Jelinek)", "title": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.16/#AEN121175", "source_hash": "e1b11784ef50f9815f76c92e1a245481d522baf99f20048fbbbc106816541378", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction (Petr Jelinek)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.16/changes/009", "db_id": "8c59f13b8514866cfb7e0fec2a8151dc", "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2", "relations": [{"rule": 2, "type": "equivalent", "target": "04df9533a2e0c239993c4f25740c3f2c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2"}}, {"rule": 2, "type": "equivalent", "target": "0641ecfcd209be620a7f15faf0c8b1d3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2"}}, {"rule": 2, "type": "equivalent", "target": "49d5a018edca09aa50a64ee6c2dcb3cf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2"}}], "version": "9.4.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "49d5a018edca09aa50a64ee6c2dcb3cf", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2"}, "url": "/docs/compare/?release=10.2#10.2-7dce1a2a04a483ba", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "04df9533a2e0c239993c4f25740c3f2c", "kind": "equivalent", "version": "9.6.7", "label": "9.6.7", "title": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2"}, "url": "/docs/compare/?release=9.6.7#9.6.7-7dce1a2a04a483ba", "source_url": "/docs/release/9.6.7/#AEN134783"}, {"db_id": "0641ecfcd209be620a7f15faf0c8b1d3", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3688b7e06c4f12e21fd0acc9101d472bcb1ebb84425dc9932b6b565cc9913df2"}, "url": "/docs/compare/?release=9.5.11#9.5.11-7dce1a2a04a483ba", "source_url": "/docs/release/9.5.11/#AEN129473"}]}, {"id": "9.4.16-5b1d6228e4082f50", "cves": [], "html": "Fix has_sequence_privilege() to support WITH GRANT OPTION tests, as other privilege-testing functions do (Joe Conway)
In databases using UTF8 encoding, ignore any XML declaration that asserts a different encoding (Pavel Stehule, Noah Misch)
\nWe always store XML strings in the database encoding, so allowing libxml to act on a declaration of another encoding gave wrong results. In encodings other than UTF8, we don't promise to support non-ASCII XML data anyway, so retain the previous behavior for bug compatibility. This change affects only xpath() and related functions; other XML code paths already acted this way.
Provide for forward compatibility with future minor protocol versions (Robert Haas, Badrul Chowdhury)
\nUp to now, PostgreSQL servers simply rejected requests to use protocol versions newer than 3.0, so that there was no functional difference between the major and minor parts of the protocol version number. Allow clients to request versions 3.x without failing, sending back a message showing that the server only understands 3.0. This makes no difference at the moment, but back-patching this change should allow speedier introduction of future minor protocol upgrades.
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\nParallel query previously tended to hang indefinitely if a worker could not be started, as the result of fork() failure or other low-probability problems.
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These functions are stated to be Oracle® compatible, but they weren't exactly. In particular, there was a discrepancy in the interpretation of a negative third parameter: Oracle thinks that a negative value indicates the last place where the target substring can begin, whereas our functions took it as the last place where the target can end. Also, Oracle throws an error for a zero or negative fourth parameter, whereas our functions returned zero.
\nThe sample code has been adjusted to match Oracle's behavior more precisely. Users who have copied this code into their applications may wish to update their copies.
", "text": "Fix sample INSTR() functions in the PL/pgSQL documentation (Yugo Nagata, Tom Lane) These functions are stated to be Oracle® compatible, but they weren't exactly. In particular, there was a discrepancy in the interpretation of a negative third parameter: Oracle thinks that a negative value indicates the last place where the target substring can begin, whereas our functions took it as the last place where the target can end. Also, Oracle throws an error for a zero or negative fourth parameter, whereas our functions returned zero. The sample code has been adjusted to match Oracle's behavior more precisely. Users who have copied this code into their applications may wish to update their copies.", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.16/#AEN121175", "source_hash": "bb98c8dab7afd9a70dcc6ab2ecaa3069abbd7c7158b59b071b436bc1d41789f7", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix sample INSTR() functions in the PL/pgSQL documentation (Yugo Nagata, Tom Lane) These functions are stated to be Oracle compatible, but they weren't exactly. In particular, there was a discrepancy in the interpretation of a negative third parameter: Oracle thinks that a negative value indicates the last place where the target substring can begin, whereas our functions took it as the last place where the target can end. Also, Oracle throws an error for a zero or negative fourth parameter, whereas our functions returned zero. The sample code has been adjusted to match Oracle's behavior more precisely. Users who have copied this code into their applications may wish to update their copies.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.16/changes/016", "db_id": "f21202afc895bb07ec2a18d95aa85e98", "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba", "relations": [{"rule": 2, "type": "equivalent", "target": "074fbd98682930dbc3e7ac9e8e70373a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}, {"rule": 2, "type": "equivalent", "target": "4122a38677a7d168668c054735ce38bf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}, {"rule": 2, "type": "equivalent", "target": "4deafbbde1d67134a3ba61a5633ecec4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}, {"rule": 2, "type": "equivalent", "target": "bb1989d6670ac970ea2dad251fc2a4f4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}], "version": "9.4.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "4deafbbde1d67134a3ba61a5633ecec4", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=10.2#10.2-6562b96e9e27abc2", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "bb1989d6670ac970ea2dad251fc2a4f4", "kind": "equivalent", "version": "9.6.7", "label": "9.6.7", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=9.6.7#9.6.7-6562b96e9e27abc2", "source_url": "/docs/release/9.6.7/#AEN134783"}, {"db_id": "4122a38677a7d168668c054735ce38bf", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=9.5.11#9.5.11-6562b96e9e27abc2", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "074fbd98682930dbc3e7ac9e8e70373a", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=9.3.21#9.3.21-6562b96e9e27abc2", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.4.16-81ab19703e058dea", "cves": [], "html": "Fix pg_dump to make ACL (permissions), comment, and security label entries reliably identifiable in archive output formats (Tom Lane)
\nThe \"tag\" portion of an ACL archive entry was usually just the name of the associated object. Make it start with the object type instead, bringing ACLs into line with the convention already used for comment and security label archive entries. Also, fix the comment and security label entries for the whole database, if present, to make their tags start with DATABASE so that they also follow this convention. This prevents false matches in code that tries to identify large-object-related entries by seeing if the tag starts with LARGE OBJECT. That could have resulted in misclassifying entries as data rather than schema, with undesirable results in a schema-only or data-only dump.
\nNote that this change has user-visible results in the output of pg_restore --list.
", "text": "Fix pg_dump to make ACL (permissions), comment, and security label entries reliably identifiable in archive output formats (Tom Lane) The \"tag\" portion of an ACL archive entry was usually just the name of the associated object. Make it start with the object type instead, bringing ACLs into line with the convention already used for comment and security label archive entries. Also, fix the comment and security label entries for the whole database, if present, to make their tags start with DATABASE so that they also follow this convention. This prevents false matches in code that tries to identify large-object-related entries by seeing if the tag starts with LARGE OBJECT. That could have resulted in misclassifying entries as data rather than schema, with undesirable results in a schema-only or data-only dump. 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Also, fix the comment and security label entries for the whole database, if present, to make their tags start with DATABASE so that they also follow this convention. This prevents false matches in code that tries to identify large-object-related entries by seeing if the tag starts with LARGE OBJECT. That could have resulted in misclassifying entries as data rather than schema, with undesirable results in a schema-only or data-only dump. 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These functions used the result rowtype specified in the FROM ... AS clause without checking that it matched the actual rowtype of the supplied tuple value. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well. (CVE-2017-15098)
", "text": "Fix crash due to rowtype mismatch in json{b}_populate_recordset() (Michael Paquier, Tom Lane) These functions used the result rowtype specified in the FROM ... AS clause without checking that it matched the actual rowtype of the supplied tuple value. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well. (CVE-2017-15098)", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.15/#AEN121301", "source_hash": "ef466fc108438644ee2dc61b75f79e9bac08d4dc2756adf24052f57bd91bad06", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix crash due to rowtype mismatch in json{b}_populate_recordset() (Michael Paquier, Tom Lane) These functions used the result rowtype specified in the FROM ... AS clause without checking that it matched the actual rowtype of the supplied tuple value. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well. (CVE-2017-15098)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.15/changes/001", "db_id": "399e2c79d4fb41c334e3d99840aff867", "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf", "relations": [{"rule": 2, "type": "equivalent", "target": "191926bdadf659c16bd799b814e0d447", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}, {"rule": 2, "type": "equivalent", "target": "37b394189e78d2a3b737d155e68d704d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}, {"rule": 2, "type": "equivalent", "target": "b357626c41922e96515309927cc03818", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}, {"rule": 2, "type": "equivalent", "target": "ea0d6ab24e73c65a676e3d498331a15d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}], "version": "9.4.15", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "37b394189e78d2a3b737d155e68d704d", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=10.1#10.1-8f5e43f4393b2f79", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "191926bdadf659c16bd799b814e0d447", "kind": "equivalent", "version": "9.6.6", "label": "9.6.6", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=9.6.6#9.6.6-8f5e43f4393b2f79", "source_url": "/docs/release/9.6.6/#AEN134950"}, {"db_id": "ea0d6ab24e73c65a676e3d498331a15d", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=9.5.10#9.5.10-8f5e43f4393b2f79", "source_url": "/docs/release/9.5.10/#AEN129619"}, {"db_id": "b357626c41922e96515309927cc03818", "kind": "equivalent", "version": "9.3.20", "label": "9.3.20", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=9.3.20#9.3.20-8f5e43f4393b2f79", "source_url": "/docs/release/9.3.20/#AEN115749"}]}, {"id": "9.4.15-2ffb7678a5f366f4", "cves": ["CVE-2017-12172"], "html": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG (Noah Misch)
\nPreviously, the postmaster log file was opened while still running as root. The database owner could therefore mount an attack against another system user by making $PGLOG be a symbolic link to some other file, which would then become corrupted by appending log messages.
\nBy default, these scripts are not installed anywhere. Users who have made use of them will need to manually recopy them, or apply the same changes to their modified versions. If the existing $PGLOG file is root-owned, it will need to be removed or renamed out of the way before restarting the server with the corrected script. (CVE-2017-12172)
", "text": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG (Noah Misch) Previously, the postmaster log file was opened while still running as root. The database owner could therefore mount an attack against another system user by making $PGLOG be a symbolic link to some other file, which would then become corrupted by appending log messages. By default, these scripts are not installed anywhere. Users who have made use of them will need to manually recopy them, or apply the same changes to their modified versions. If the existing $PGLOG file is root-owned, it will need to be removed or renamed out of the way before restarting the server with the corrected script. (CVE-2017-12172)", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.15/#AEN121301", "source_hash": "17f45a4e936bdb211703990d45e492564f7733ce7f335aa8398a2a6cdd12bfa0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG (Noah Misch) Previously, the postmaster log file was opened while still running as root. The database owner could therefore mount an attack against another system user by making $PGLOG be a symbolic link to some other file, which would then become corrupted by appending log messages. By default, these scripts are not installed anywhere. Users who have made use of them will need to manually recopy them, or apply the same changes to their modified versions. If the existing $PGLOG file is root-owned, it will need to be removed or renamed out of the way before restarting the server with the corrected script. 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", "text": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language (Tom Lane)", "title": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.15/#AEN121301", "source_hash": "b360085a0ce51ecd6986abe0e1f8eae8af49c24478d8cf872a50e48f23e334fa", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.15/changes/003", "db_id": "da2723bbe135add5ce39c87e8667a6ed", "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b", "relations": [{"rule": 2, "type": "equivalent", "target": "900b590dedd3fa57b2276a470d16c59c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b"}}, {"rule": 2, "type": "equivalent", "target": "d7712c8f429e00f2ff58d6d97cfb681b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b"}}, {"rule": 2, "type": "equivalent", "target": "d9b5032f1d268347b703e11848bd7e28", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b"}}], "version": "9.4.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d7712c8f429e00f2ff58d6d97cfb681b", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b"}, "url": "/docs/compare/?release=10.1#10.1-4104c5bff17cc43f", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "900b590dedd3fa57b2276a470d16c59c", "kind": "equivalent", "version": "9.6.6", "label": "9.6.6", "title": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b"}, "url": "/docs/compare/?release=9.6.6#9.6.6-4104c5bff17cc43f", "source_url": "/docs/release/9.6.6/#AEN134950"}, {"db_id": "d9b5032f1d268347b703e11848bd7e28", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5d534d90b091782b7e8e6fb63af1326c4234a870ddcc902aadfd0ba2ec12577b"}, "url": "/docs/compare/?release=9.5.10#9.5.10-4104c5bff17cc43f", "source_url": "/docs/release/9.5.10/#AEN129619"}]}, {"id": "9.4.15-d3b081bf5044991c", "cves": [], "html": "Fix json_build_array(), json_build_object(), and their jsonb equivalents to handle explicit VARIADIC arguments correctly (Michael Paquier)
Properly reject attempts to convert infinite float values to type numeric (Tom Lane, KaiGai Kohei)
\nPreviously the behavior was platform-dependent.
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\nLack of these dependencies could allow a column or data type DROP to go through when it ought to fail, thereby causing later uses of the view or rule to get errors. This patch does not do anything to protect existing views/rules, only ones created in the future.
", "text": "Record proper dependencies when a view or rule contains FieldSelect or FieldStore expression nodes (Tom Lane) Lack of these dependencies could allow a column or data type DROP to go through when it ought to fail, thereby causing later uses of the view or rule to get errors. This patch does not do anything to protect existing views/rules, only ones created in the future.", "title": "Record proper dependencies when a view or rule contains FieldSelect or FieldStore expression nodes", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.15/#AEN121301", "source_hash": "e9f7909483f9b08a0ed13a4381e0bdd6560859e627903da859b4835cfbbbec95", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Record proper dependencies when a view or rule contains FieldSelect or FieldStore expression nodes (Tom Lane) Lack of these dependencies could allow a column or data type DROP to go through when it ought to fail, thereby causing later uses of the view or rule to get errors. 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\nThe planner mistakenly assumed that any range type could be hashed for use in hash joins or hash aggregation, but actually it must check whether the range's subtype has hash support. This does not affect any of the built-in range types, since they're all hashable anyway.
", "text": "Correctly detect hashability of range data types (Tom Lane) The planner mistakenly assumed that any range type could be hashed for use in hash joins or hash aggregation, but actually it must check whether the range's subtype has hash support. This does not affect any of the built-in range types, since they're all hashable anyway.", "title": "Correctly detect hashability of range data types", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.15/#AEN121301", "source_hash": "e17e39b07ccca74744ce6855712b2c1ad5406c1fa916a31f2f3135f8a87ccc32", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Correctly detect hashability of range data types (Tom Lane) The planner mistakenly assumed that any range type could be hashed for use in hash joins or hash aggregation, but actually it must check whether the range's subtype has hash support. This does not affect any of the built-in range types, since they're all hashable anyway.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.15/changes/008", "db_id": "1f0ededa100214388e94db4ee785cdd1", "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f", "relations": [{"rule": 2, "type": "equivalent", "target": "29fb35dd9919703bc165f056b889dd49", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}}, {"rule": 2, "type": "equivalent", "target": "402b5b239a6a0c7dee3485212563f74e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}}, {"rule": 2, "type": "equivalent", "target": "7d936341e4451a5527c1deda00cdb8e5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}}, {"rule": 2, "type": "equivalent", "target": "879a1f89d800c2786255bd2ed0d83cfb", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}}, {"rule": 2, "type": "equivalent", "target": "c320085ab5e747c8994f3bccf936161f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}}], "version": "9.4.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7d936341e4451a5527c1deda00cdb8e5", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Correctly detect hashability of range data types", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}, "url": "/docs/compare/?release=10.1#10.1-ece7eb6bb8c13696", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "c320085ab5e747c8994f3bccf936161f", "kind": "equivalent", "version": "9.6.6", "label": "9.6.6", "title": "Correctly detect hashability of range data types", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}, "url": "/docs/compare/?release=9.6.6#9.6.6-ece7eb6bb8c13696", "source_url": "/docs/release/9.6.6/#AEN134950"}, {"db_id": "29fb35dd9919703bc165f056b889dd49", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Correctly detect hashability of range data types", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}, "url": "/docs/compare/?release=9.5.10#9.5.10-ece7eb6bb8c13696", "source_url": "/docs/release/9.5.10/#AEN129619"}, {"db_id": "402b5b239a6a0c7dee3485212563f74e", "kind": "equivalent", "version": "9.3.20", "label": "9.3.20", "title": "Correctly detect hashability of range data types", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}, "url": "/docs/compare/?release=9.3.20#9.3.20-ece7eb6bb8c13696", "source_url": "/docs/release/9.3.20/#AEN115749"}, {"db_id": "879a1f89d800c2786255bd2ed0d83cfb", "kind": "equivalent", "version": "9.2.24", "label": "9.2.24", "title": "Correctly detect hashability of range data types", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f0b606e4b09094861042b0ffff48bff8657aed6e11d3bf9e6b011dd299ca085f"}, "url": "/docs/compare/?release=9.2.24#9.2.24-ece7eb6bb8c13696", "source_url": "/docs/release/9.2.24/#AEN110823"}]}, {"id": "9.4.15-4793898a071dc3cb", "cves": [], "html": "Fix low-probability loss of NOTIFY messages due to XID wraparound (Marko Tiikkaja, Tom Lane)
\nIf a session executed no queries, but merely listened for notifications, for more than 2 billion transactions, it started to miss some notifications from concurrently-committing transactions.
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\nThis case was unintentionally broken by a previous bug fix.
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Give a better error message for duplicate column names in ANALYZE (Nathan Bossart)
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\nA missed flag update resulted in walsenders continuing to run as long as they had a standby server connected, preventing primary-server shutdown unless immediate shutdown mode is used.
", "text": "Fix failure of walsender processes to respond to shutdown signals (Marco Nenciarini) A missed flag update resulted in walsenders continuing to run as long as they had a standby server connected, preventing primary-server shutdown unless immediate shutdown mode is used.", "title": "Fix failure of walsender processes to respond to shutdown signals", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.14/#AEN121403", "source_hash": "13a8d72b013fdf078964e46daa8cbafbf1a956626ea91d2a9114b172eacd4fbb", "section_path": ["Changes"], "commit_groups": [["b51c8efc6"]], "identity_text": "Fix failure of walsender processes to respond to shutdown signals (Marco Nenciarini) A missed flag update resulted in walsenders continuing to run as long as they had a standby server connected, preventing primary-server shutdown unless immediate shutdown mode is used.", "commit_aliases": ["b51c8efc6"], "source_commits": ["b51c8efc6"], "source_entry_id": "9.4.14/changes/001", "db_id": "50c018f0f06599db73f6aea72635772c", "patch_ids": ["b363e2af6f63546655d871acec5804b1"], "statement_hash": "d1f3e25ccb16e7e3e2d3abfd57a912998eb39cf163ac1ffcc71b395d7b005e6c", "relations": [], "version": "9.4.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "9.4.14-d2a8f38c1ccaa2fa", "cves": [], "html": "Show foreign tables in information_schema.table_privileges view (Peter Eisentraut)
\nAll other relevant information_schema views include foreign tables, but this one ignored them.
\nSince this view definition is installed by initdb, merely upgrading will not fix the problem. If you need to fix this in an existing installation, you can, as a superuser, do this in psql:
\nSET search_path TO information_schema;\nCREATE OR REPLACE VIEW table_privileges AS\n SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,\n CAST(grantee.rolname AS sql_identifier) AS grantee,\n CAST(current_database() AS sql_identifier) AS table_catalog,\n CAST(nc.nspname AS sql_identifier) AS table_schema,\n CAST(c.relname AS sql_identifier) AS table_name,\n CAST(c.prtype AS character_data) AS privilege_type,\n CAST(\n CASE WHEN\n -- object owner always has grant options\n pg_has_role(grantee.oid, c.relowner, 'USAGE')\n OR c.grantable\n THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable,\n CAST(CASE WHEN c.prtype = 'SELECT' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS with_hierarchy\n\n FROM (\n SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class\n ) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable),\n pg_namespace nc,\n pg_authid u_grantor,\n (\n SELECT oid, rolname FROM pg_authid\n UNION ALL\n SELECT 0::oid, 'PUBLIC'\n ) AS grantee (oid, rolname)\n\n WHERE c.relnamespace = nc.oid\n AND c.relkind IN ('r', 'v', 'f')\n AND c.grantee = grantee.oid\n AND c.grantor = u_grantor.oid\n AND c.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'DELETE', 'TRUNCATE', 'REFERENCES', 'TRIGGER')\n AND (pg_has_role(u_grantor.oid, 'USAGE')\n OR pg_has_role(grantee.oid, 'USAGE')\n OR grantee.rolname = 'PUBLIC');\n\nThis must be repeated in each database to be fixed, including template0.
", "text": "Show foreign tables in information_schema.table_privileges view (Peter Eisentraut) All other relevant information_schema views include foreign tables, but this one ignored them. Since this view definition is installed by initdb, merely upgrading will not fix the problem. If you need to fix this in an existing installation, you can, as a superuser, do this in psql: SET search_path TO information_schema; CREATE OR REPLACE VIEW table_privileges AS SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor, CAST(grantee.rolname AS sql_identifier) AS grantee, CAST(current_database() AS sql_identifier) AS table_catalog, CAST(nc.nspname AS sql_identifier) AS table_schema, CAST(c.relname AS sql_identifier) AS table_name, CAST(c.prtype AS character_data) AS privilege_type, CAST( CASE WHEN -- object owner always has grant options pg_has_role(grantee.oid, c.relowner, 'USAGE') OR c.grantable THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable, CAST(CASE WHEN c.prtype = 'SELECT' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS with_hierarchy FROM ( SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class ) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable), pg_namespace nc, pg_authid u_grantor, ( SELECT oid, rolname FROM pg_authid UNION ALL SELECT 0::oid, 'PUBLIC' ) AS grantee (oid, rolname) WHERE c.relnamespace = nc.oid AND c.relkind IN ('r', 'v', 'f') AND c.grantee = grantee.oid AND c.grantor = u_grantor.oid AND c.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'DELETE', 'TRUNCATE', 'REFERENCES', 'TRIGGER') AND (pg_has_role(u_grantor.oid, 'USAGE') OR pg_has_role(grantee.oid, 'USAGE') OR grantee.rolname = 'PUBLIC'); This must be repeated in each database to be fixed, including template0.", "title": "Show foreign tables in information_schema.table_privileges view", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.14/#AEN121403", "source_hash": "7b4030f07a95b428094c6f0b5be395c71c72d2d6d99a7b55a647e035c92239ac", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Show foreign tables in information_schema.table_privileges view (Peter Eisentraut) All other relevant information_schema views include foreign tables, but this one ignored them. Since this view definition is installed by initdb, merely upgrading will not fix the problem. If you need to fix this in an existing installation, you can, as a superuser, do this in psql: SET search_path TO information_schema; CREATE OR REPLACE VIEW table_privileges AS SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor, CAST(grantee.rolname AS sql_identifier) AS grantee, CAST(current_database() AS sql_identifier) AS table_catalog, CAST(nc.nspname AS sql_identifier) AS table_schema, CAST(c.relname AS sql_identifier) AS table_name, CAST(c.prtype AS character_data) AS privilege_type, CAST( CASE WHEN -- object owner always has grant options pg_has_role(grantee.oid, c.relowner, 'USAGE') OR c.grantable THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable, CAST(CASE WHEN c.prtype = 'SELECT' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS with_hierarchy FROM ( SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class ) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable), pg_namespace nc, pg_authid u_grantor, ( SELECT oid, rolname FROM pg_authid UNION ALL SELECT 0::oid, 'PUBLIC' ) AS grantee (oid, rolname) WHERE c.relnamespace = nc.oid AND c.relkind IN ('r', 'v', 'f') AND c.grantee = grantee.oid AND c.grantor = u_grantor.oid AND c.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'DELETE', 'TRUNCATE', 'REFERENCES', 'TRIGGER') AND (pg_has_role(u_grantor.oid, 'USAGE') OR pg_has_role(grantee.oid, 'USAGE') OR grantee.rolname = 'PUBLIC'); This must be repeated in each database to be fixed, including template0.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.14/changes/002", "db_id": "10a4b1a21748add5cdc22ac4594174dc", "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd", "relations": [{"rule": 2, "type": "equivalent", "target": "3f82faaf4eff73a2042216d4eac21a2c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}}, {"rule": 2, "type": "equivalent", "target": "41e90977ae153a8484b1cdec9c094b9d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}}, {"rule": 2, "type": "equivalent", "target": "6490008c6b679a796619737abb260ab9", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}}, {"rule": 2, "type": "equivalent", "target": "df32761f4e98b569ae3c4a9354183c85", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}}], "version": "9.4.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "df32761f4e98b569ae3c4a9354183c85", "kind": "equivalent", "version": "9.6.5", "label": "9.6.5", "title": "Show foreign tables in information_schema.table_privileges view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}, "url": "/docs/compare/?release=9.6.5#9.6.5-d2a8f38c1ccaa2fa", "source_url": "/docs/release/9.6.5/#AEN135113"}, {"db_id": "41e90977ae153a8484b1cdec9c094b9d", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Show foreign tables in information_schema.table_privileges view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}, "url": "/docs/compare/?release=9.5.9#9.5.9-d2a8f38c1ccaa2fa", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "6490008c6b679a796619737abb260ab9", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Show foreign tables in information_schema.table_privileges view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}, "url": "/docs/compare/?release=9.3.19#9.3.19-d2a8f38c1ccaa2fa", "source_url": "/docs/release/9.3.19/#AEN115830"}, {"db_id": "3f82faaf4eff73a2042216d4eac21a2c", "kind": "equivalent", "version": "9.2.23", "label": "9.2.23", "title": "Show foreign tables in information_schema.table_privileges view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "4c87ab45b537024d4b3d1e310579afba2648f3fcca11e82e3fd65eabe60da1cd"}, "url": "/docs/compare/?release=9.2.23#9.2.23-d2a8f38c1ccaa2fa", "source_url": "/docs/release/9.2.23/#AEN110893"}]}, {"id": "9.4.14-291e58c35c0a3e87", "cves": [], "html": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction (Tom Lane)
\nThis situation could result in an assertion failure. In production builds, the exit would still occur, but it would log an unexpected message about \"cannot drop active portal\".
", "text": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction (Tom Lane) This situation could result in an assertion failure. In production builds, the exit would still occur, but it would log an unexpected message about \"cannot drop active portal\".", "title": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.14/#AEN121403", "source_hash": "d5df774b4eb63945a519484f4385c5de6b26a57ae89d9ec60c00acfad673444c", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction (Tom Lane) This situation could result in an assertion failure. In production builds, the exit would still occur, but it would log an unexpected message about cannot drop active portal.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.14/changes/003", "db_id": "b72e2b8199e9f5e2f2549b1725d05d0b", "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3", "relations": [{"rule": 2, "type": "equivalent", "target": "0dae3f449dfb816df1df5fde5f526d0f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}}, {"rule": 2, "type": "equivalent", "target": "ae36cc2c0a2f6aa05a29af6344b41317", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}}, {"rule": 2, "type": "equivalent", "target": "ec8e803c943e0b1082d3dd91507845c3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}}, {"rule": 2, "type": "equivalent", "target": "f9959ffe6fe7709a79e620b35064a27d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}}], "version": "9.4.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ec8e803c943e0b1082d3dd91507845c3", "kind": "equivalent", "version": "9.6.5", "label": "9.6.5", "title": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}, "url": "/docs/compare/?release=9.6.5#9.6.5-291e58c35c0a3e87", "source_url": "/docs/release/9.6.5/#AEN135113"}, {"db_id": "ae36cc2c0a2f6aa05a29af6344b41317", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}, "url": "/docs/compare/?release=9.5.9#9.5.9-291e58c35c0a3e87", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "0dae3f449dfb816df1df5fde5f526d0f", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}, "url": "/docs/compare/?release=9.3.19#9.3.19-291e58c35c0a3e87", "source_url": "/docs/release/9.3.19/#AEN115830"}, {"db_id": "f9959ffe6fe7709a79e620b35064a27d", "kind": "equivalent", "version": "9.2.23", "label": "9.2.23", "title": "Clean up handling of a fatal exit (e.g., due to receipt of SIGTERM) that occurs while trying to execute a ROLLBACK of a failed transaction", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e4594aaac71679b501975fc7f1c808003de70a354e08f6f55548a466442e25c3"}, "url": "/docs/compare/?release=9.2.23#9.2.23-291e58c35c0a3e87", "source_url": "/docs/release/9.2.23/#AEN110893"}]}, {"id": "9.4.14-7bd024068e27e0fb", "cves": [], "html": "Remove assertion that could trigger during a fatal exit (Tom Lane)
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", "text": "Fix crash in pg_restore when using parallel mode and using a list file to select a subset of items to restore (Fabrízio de Royes Mello)", "title": "Fix crash in pg_restore when using parallel mode and using a list file to select a subset of items to restore", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.14/#AEN121403", "source_hash": "66299ab24a5d8f4bf348b82182d74ca2367cec65261ca3797794a5dc6ef4ac40", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix crash in pg_restore when using parallel mode and using a list file to select a subset of items to restore (Fabrízio de Royes Mello)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.14/changes/006", "db_id": "809b5e89cd8a08302229e2aa81106597", "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d", "relations": [{"rule": 2, "type": "equivalent", "target": "4973f8791ad7072a5b7268ac69880153", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d"}}, {"rule": 2, "type": "equivalent", "target": "4b7b3c5c5d968e316d42a993dd32277e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d"}}, {"rule": 2, "type": "equivalent", "target": "f651852ac99a0a35375d12de814e3e9c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d"}}], "version": "9.4.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "4b7b3c5c5d968e316d42a993dd32277e", "kind": "equivalent", "version": "9.6.5", "label": "9.6.5", "title": "Fix crash in pg_restore when using parallel mode and using a list file to select a subset of items to restore", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d"}, "url": "/docs/compare/?release=9.6.5#9.6.5-2c06bd1ea85b74da", "source_url": "/docs/release/9.6.5/#AEN135113"}, {"db_id": "f651852ac99a0a35375d12de814e3e9c", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Fix crash in pg_restore when using parallel mode and using a list file to select a subset of items to restore", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d"}, "url": "/docs/compare/?release=9.5.9#9.5.9-2c06bd1ea85b74da", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "4973f8791ad7072a5b7268ac69880153", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Fix crash in pg_restore when using parallel mode and using a list file to select a subset of items to restore", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cbce4193df6e4ec771d5bef59626bcff973e4e46a0579cda60522af2114f822d"}, "url": "/docs/compare/?release=9.3.19#9.3.19-2c06bd1ea85b74da", "source_url": "/docs/release/9.3.19/#AEN115830"}]}, {"id": "9.4.14-3bc949d59fda11b7", "cves": [], "html": "Change ecpg's parser to allow RETURNING clauses without attached C variables (Michael Meskes)
\nThis allows ecpg programs to contain SQL constructs that use RETURNING internally (for example, inside a CTE) rather than using it to define values to be returned to the client.
", "text": "Change ecpg's parser to allow RETURNING clauses without attached C variables (Michael Meskes) This allows ecpg programs to contain SQL constructs that use RETURNING internally (for example, inside a CTE) rather than using it to define values to be returned to the client.", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.14/#AEN121403", "source_hash": "9038445fd611f6a759ecdf14589ab9dd055e382b685bba52f3852dfff93584c0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Change ecpg's parser to allow RETURNING clauses without attached C variables (Michael Meskes) This allows ecpg programs to contain SQL constructs that use RETURNING internally (for example, inside a CTE) rather than using it to define values to be returned to the client.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.14/changes/007", "db_id": "8b053a8e0c87c6b9951b5c4833080e89", "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348", "relations": [{"rule": 2, "type": "equivalent", "target": "1c903c2b45dfeb3c4c69edb715182ffc", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}, {"rule": 2, "type": "equivalent", "target": "397743f1137bc45382759daafaf3e467", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}, {"rule": 2, "type": "equivalent", "target": "cff3c4860563f6b8bc8a0dd39b1e7d98", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}, {"rule": 2, "type": "equivalent", "target": "dcfd6b1086dc12dab1f710cc7cc1e6cf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}], "version": "9.4.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "cff3c4860563f6b8bc8a0dd39b1e7d98", "kind": "equivalent", "version": "9.6.5", "label": "9.6.5", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.6.5#9.6.5-3bc949d59fda11b7", "source_url": "/docs/release/9.6.5/#AEN135113"}, {"db_id": "dcfd6b1086dc12dab1f710cc7cc1e6cf", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.5.9#9.5.9-3bc949d59fda11b7", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "397743f1137bc45382759daafaf3e467", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.3.19#9.3.19-3bc949d59fda11b7", "source_url": "/docs/release/9.3.19/#AEN115830"}, {"db_id": "1c903c2b45dfeb3c4c69edb715182ffc", "kind": "equivalent", "version": "9.2.23", "label": "9.2.23", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.2.23#9.2.23-3bc949d59fda11b7", "source_url": "/docs/release/9.2.23/#AEN110893"}]}, {"id": "9.4.14-8f60e466f4554514", "cves": [], "html": "Improve selection of compiler flags for PL/Perl on Windows (Tom Lane)
\nThis fix avoids possible crashes of PL/Perl due to inconsistent assumptions about the width of time_t values. A side-effect that may be visible to extension developers is that _USE_32BIT_TIME_T is no longer defined globally in PostgreSQL Windows builds. This is not expected to cause problems, because type time_t is not used in any PostgreSQL API definitions.
", "text": "Improve selection of compiler flags for PL/Perl on Windows (Tom Lane) This fix avoids possible crashes of PL/Perl due to inconsistent assumptions about the width of time_t values. A side-effect that may be visible to extension developers is that _USE_32BIT_TIME_T is no longer defined globally in PostgreSQL Windows builds. This is not expected to cause problems, because type time_t is not used in any PostgreSQL API definitions.", "title": "Improve selection of compiler flags for PL/Perl on Windows", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.14/#AEN121403", "source_hash": "5522284459af55ecc5bd039bfa2c5bffca555438b4b966714cfd04cf34cb26c5", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Improve selection of compiler flags for PL/Perl on Windows (Tom Lane) This fix avoids possible crashes of PL/Perl due to inconsistent assumptions about the width of time_t values. A side-effect that may be visible to extension developers is that _USE_32BIT_TIME_T is no longer defined globally in PostgreSQL Windows builds. This is not expected to cause problems, because type time_t is not used in any PostgreSQL API definitions.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.14/changes/008", "db_id": "fc4dc1c8fda86f29580edb9411bbad9a", "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66", "relations": [{"rule": 2, "type": "equivalent", "target": "174ebed95fdf320d91b3db9f71a9265a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}, {"rule": 2, "type": "equivalent", "target": "a8ad0fb10f04704616588a82af98dbff", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}, {"rule": 2, "type": "equivalent", "target": "f490072174f6dab4a7f5d5d01709bc8c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}, {"rule": 2, "type": "equivalent", "target": "ff5f500a1e1a883ae5db2f02f35c34a3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}], "version": "9.4.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "174ebed95fdf320d91b3db9f71a9265a", "kind": "equivalent", "version": "9.6.5", "label": "9.6.5", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.6.5#9.6.5-8f60e466f4554514", "source_url": "/docs/release/9.6.5/#AEN135113"}, {"db_id": "ff5f500a1e1a883ae5db2f02f35c34a3", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.5.9#9.5.9-8f60e466f4554514", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "a8ad0fb10f04704616588a82af98dbff", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.3.19#9.3.19-8f60e466f4554514", "source_url": "/docs/release/9.3.19/#AEN115830"}, {"db_id": "f490072174f6dab4a7f5d5d01709bc8c", "kind": "equivalent", "version": "9.2.23", "label": "9.2.23", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.2.23#9.2.23-8f60e466f4554514", "source_url": "/docs/release/9.2.23/#AEN110893"}]}]}, {"date": "2017-08-10", "build": "9.4.13", "major": "9.4", "minor": 13, "manual": "9.4", "status": "stable", "doc_git": "", "version": "9.4.13", "eol_date": "2020-02-13", "date_text": "2017-08-10", "supported": false, "manual_url": "/docs/9.4/release-9-4-13.html", "source_url": "/docs/release/9.4.13/", "entry_count": 53, "placeholder": false, "content_hash": "339ef33d3b04e322a224e49f1e651d60559023057724e4ff79d54d75e0d0451d", "manual_build": "9.4.26", "source_as_of": "", "changes_count": 53, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 9.4.X.
\nHowever, if you use foreign data servers that make use of user passwords for authentication, see the first changelog entry below.
\nAlso, if you are upgrading from a version earlier than 9.4.12, see Section E.15.
", "compatibility_count": 0, "label": "9.4.13", "status_label": "Historical", "eol": "2020-02-13", "age_days": 3337, "support_days": -2420, "entries": [{"id": "9.4.13-a58d7f58ef83d6db", "cves": ["CVE-2017-7486", "CVE-2017-7547"], "html": "Further restrict visibility of pg_user_mappings.umoptions, to protect passwords stored as user mapping options (Noah Misch)
\nThe fix for CVE-2017-7486 was incorrect: it allowed a user to see the options in her own user mapping, even if she did not have USAGE permission on the associated foreign server. Such options might include a password that had been provided by the server owner rather than the user herself. Since information_schema.user_mapping_options does not show the options in such cases, pg_user_mappings should not either. (CVE-2017-7547)
\nBy itself, this patch will only fix the behavior in newly initdb'd databases. If you wish to apply this change in an existing database, you will need to do the following:
\nRestart the postmaster after adding allow_system_table_mods = true to postgresql.conf. (In versions supporting ALTER SYSTEM, you can use that to make the configuration change, but you'll still need a restart.)
\nIn each database of the cluster, run the following commands as superuser:
\nSET search_path = pg_catalog;\nCREATE OR REPLACE VIEW pg_user_mappings AS\n SELECT\n U.oid AS umid,\n S.oid AS srvid,\n S.srvname AS srvname,\n U.umuser AS umuser,\n CASE WHEN U.umuser = 0 THEN\n 'public'\n ELSE\n A.rolname\n END AS usename,\n CASE WHEN (U.umuser <> 0 AND A.rolname = current_user\n AND (pg_has_role(S.srvowner, 'USAGE')\n OR has_server_privilege(S.oid, 'USAGE')))\n OR (U.umuser = 0 AND pg_has_role(S.srvowner, 'USAGE'))\n OR (SELECT rolsuper FROM pg_authid WHERE rolname = current_user)\n THEN U.umoptions\n ELSE NULL END AS umoptions\n FROM pg_user_mapping U\n LEFT JOIN pg_authid A ON (A.oid = U.umuser) JOIN\n pg_foreign_server S ON (U.umserver = S.oid);\n
Do 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. In PostgreSQL 9.5 and later, you can use
\nALTER DATABASE template0 WITH ALLOW_CONNECTIONS true;\n\n
and then after fixing template0, undo that with
\nALTER DATABASE template0 WITH ALLOW_CONNECTIONS false;\n\n
In prior versions, instead use
\nUPDATE pg_database SET datallowconn = true WHERE datname = 'template0';\nUPDATE pg_database SET datallowconn = false WHERE datname = 'template0';\n
Finally, remove the allow_system_table_mods configuration setting, and again restart the postmaster.
\nDisallow empty passwords in all password-based authentication methods (Heikki Linnakangas)
\nlibpq ignores empty password specifications, and does not transmit them to the server. So, if a user's password has been set to the empty string, it's impossible to log in with that password via psql or other libpq-based clients. An administrator might therefore believe that setting the password to empty is equivalent to disabling password login. However, with a modified or non-libpq-based client, logging in could be possible, depending on which authentication method is configured. In particular the most common method, md5, accepted empty passwords. Change the server to reject empty passwords in all cases. (CVE-2017-7546)
", "text": "Disallow empty passwords in all password-based authentication methods (Heikki Linnakangas) libpq ignores empty password specifications, and does not transmit them to the server. So, if a user's password has been set to the empty string, it's impossible to log in with that password via psql or other libpq-based clients. An administrator might therefore believe that setting the password to empty is equivalent to disabling password login. However, with a modified or non-libpq-based client, logging in could be possible, depending on which authentication method is configured. In particular the most common method, md5, accepted empty passwords. Change the server to reject empty passwords in all cases. (CVE-2017-7546)", "title": "Disallow empty passwords in all password-based authentication methods", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.13/#AEN121463", "source_hash": "8248bb9ae98d7c7f6107b1a29e599c5699a3a9932a2023ee4404ccaa41caa29e", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Disallow empty passwords in all password-based authentication methods (Heikki Linnakangas) libpq ignores empty password specifications, and does not transmit them to the server. So, if a user's password has been set to the empty string, it's impossible to log in with that password via psql or other libpq-based clients. An administrator might therefore believe that setting the password to empty is equivalent to disabling password login. However, with a modified or non-libpq-based client, logging in could be possible, depending on which authentication method is configured. In particular the most common method, md5, accepted empty passwords. Change the server to reject empty passwords in all cases. (CVE-2017-7546)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.13/changes/002", "db_id": "25dc2f083ab66c1e49733c8097ace563", "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70", "relations": [{"rule": 2, "type": "equivalent", "target": "40acd6d17343ed4ffc6e174a3ba3d54b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}, {"rule": 2, "type": "equivalent", "target": "69397c3edcff5d4d9add77abd127c3c7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}, {"rule": 2, "type": "equivalent", "target": "84b04fd1018199fb6cd762ee8453dc5c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}, {"rule": 2, "type": "equivalent", "target": "fa4d8a03c1f22fe89447983939f7c916", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}], "version": "9.4.13", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "40acd6d17343ed4ffc6e174a3ba3d54b", "kind": "equivalent", "version": "9.6.4", "label": "9.6.4", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.6.4#9.6.4-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.6.4/#AEN135178"}, {"db_id": "fa4d8a03c1f22fe89447983939f7c916", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.5.8#9.5.8-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.5.8/#AEN129810"}, {"db_id": "84b04fd1018199fb6cd762ee8453dc5c", "kind": "equivalent", "version": "9.3.18", "label": "9.3.18", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.3.18#9.3.18-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.3.18/#AEN115887"}, {"db_id": "69397c3edcff5d4d9add77abd127c3c7", "kind": "equivalent", "version": "9.2.22", "label": "9.2.22", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.2.22#9.2.22-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.2.22/#AEN110949"}]}, {"id": "9.4.13-a943a5910c9b2907", "cves": ["CVE-2017-7548"], "html": "Make lo_put() check for UPDATE privilege on the target large object (Tom Lane, Michael Paquier)
lo_put() should surely require the same permissions as lowrite(), but the check was missing, allowing any user to change the data in a large object. (CVE-2017-7548)
Fix concurrent locking of tuple update chains (Álvaro Herrera)
\nIf several sessions concurrently lock a tuple update chain with nonconflicting lock modes using an old snapshot, and they all succeed, it was possible for some of them to nonetheless fail (and conclude there is no live tuple version) due to a race condition. This had consequences such as foreign-key checks failing to see a tuple that definitely exists but is being updated concurrently.
", "text": "Fix concurrent locking of tuple update chains (Álvaro Herrera) If several sessions concurrently lock a tuple update chain with nonconflicting lock modes using an old snapshot, and they all succeed, it was possible for some of them to nonetheless fail (and conclude there is no live tuple version) due to a race condition. This had consequences such as foreign-key checks failing to see a tuple that definitely exists but is being updated concurrently.", "title": "Fix concurrent locking of tuple update chains", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.13/#AEN121463", "source_hash": "09ab48af004bced82e67cb239cc8d847ea0a0e517d28a4b372e6e2552e3708fe", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix concurrent locking of tuple update chains (Álvaro Herrera) If several sessions concurrently lock a tuple update chain with nonconflicting lock modes using an old snapshot, and they all succeed, it was possible for some of them to nonetheless fail (and conclude there is no live tuple version) due to a race condition. This had consequences such as foreign-key checks failing to see a tuple that definitely exists but is being updated concurrently.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.13/changes/004", "db_id": "26f8fce38455ae9b217177c8d0dc47a1", "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907", "relations": [{"rule": 2, "type": "equivalent", "target": "5021acaa49f542ee7a1757b451c26dd4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}}, {"rule": 2, "type": "equivalent", "target": "8226a3ad10843c3de2b89569870d5b73", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}}, {"rule": 2, "type": "equivalent", "target": "cc57bf2a68570429ea08bcb73f511f0d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}}], "version": "9.4.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5021acaa49f542ee7a1757b451c26dd4", "kind": "equivalent", "version": "9.6.4", "label": "9.6.4", "title": "Fix concurrent locking of tuple update chains", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}, "url": "/docs/compare/?release=9.6.4#9.6.4-623d4d312fd68551", "source_url": "/docs/release/9.6.4/#AEN135178"}, {"db_id": "cc57bf2a68570429ea08bcb73f511f0d", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Fix concurrent locking of tuple update chains", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}, "url": "/docs/compare/?release=9.5.8#9.5.8-623d4d312fd68551", "source_url": "/docs/release/9.5.8/#AEN129810"}, {"db_id": "8226a3ad10843c3de2b89569870d5b73", "kind": "equivalent", "version": "9.3.18", "label": "9.3.18", "title": "Fix concurrent locking of tuple update chains", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}, "url": "/docs/compare/?release=9.3.18#9.3.18-623d4d312fd68551", "source_url": "/docs/release/9.3.18/#AEN115887"}]}, {"id": "9.4.13-906f548fa0b214bc", "cves": [], "html": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member (Teodor Sigaev)
", "text": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member (Teodor Sigaev)", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.13/#AEN121463", "source_hash": "0219e411afd84f943e4928ecd85c613f0a65155439a719d164cb293aedc16d53", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member (Teodor Sigaev)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.13/changes/005", "db_id": "dd3dc6a49e24957cea1d5623a01d9d3a", "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a", "relations": [{"rule": 2, "type": "equivalent", "target": "3468fa6a3ba50966f59fc08c2e94add7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}}, {"rule": 2, "type": "equivalent", "target": "6474732a344a1a3c98e4d8c98d30ccdc", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}}, {"rule": 2, "type": "equivalent", "target": "edf521238b1e56374b823c0a408a8139", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}}], "version": "9.4.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3468fa6a3ba50966f59fc08c2e94add7", "kind": "equivalent", "version": "9.6.4", "label": "9.6.4", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}, "url": "/docs/compare/?release=9.6.4#9.6.4-906f548fa0b214bc", "source_url": "/docs/release/9.6.4/#AEN135178"}, {"db_id": "edf521238b1e56374b823c0a408a8139", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}, "url": "/docs/compare/?release=9.5.8#9.5.8-906f548fa0b214bc", "source_url": "/docs/release/9.5.8/#AEN129810"}, {"db_id": "6474732a344a1a3c98e4d8c98d30ccdc", "kind": "equivalent", "version": "9.3.18", "label": "9.3.18", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}, "url": "/docs/compare/?release=9.3.18#9.3.18-906f548fa0b214bc", "source_url": "/docs/release/9.3.18/#AEN115887"}]}, {"id": "9.4.13-b4193156f01421a1", "cves": [], "html": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory (Sergey Koposov)
", "text": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory (Sergey Koposov)", "title": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.13/#AEN121463", "source_hash": "f62fcadddbf4e722268ce467b5b3108d056e8217b166ee90cdaf5e472acc53c0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory (Sergey Koposov)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.13/changes/006", "db_id": "c313abe7f2c2b70205d0b9dd8b865cc4", "patch_ids": [], "statement_hash": "66733b6e883b70bf7c92d76432bcdb6b49f3b82d9d2c470fa5af34a84ac1f867", "relations": [{"rule": 2, "type": "equivalent", "target": "8f2a8e25088893c45244d02df6d4dd5e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "66733b6e883b70bf7c92d76432bcdb6b49f3b82d9d2c470fa5af34a84ac1f867"}}, {"rule": 2, "type": "equivalent", "target": "c79b5ef2db7e5f48b13859cb4c9543f3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "66733b6e883b70bf7c92d76432bcdb6b49f3b82d9d2c470fa5af34a84ac1f867"}}], "version": "9.4.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8f2a8e25088893c45244d02df6d4dd5e", "kind": "equivalent", "version": "9.6.4", "label": "9.6.4", "title": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "66733b6e883b70bf7c92d76432bcdb6b49f3b82d9d2c470fa5af34a84ac1f867"}, "url": "/docs/compare/?release=9.6.4#9.6.4-b4193156f01421a1", "source_url": "/docs/release/9.6.4/#AEN135178"}, {"db_id": "c79b5ef2db7e5f48b13859cb4c9543f3", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "66733b6e883b70bf7c92d76432bcdb6b49f3b82d9d2c470fa5af34a84ac1f867"}, "url": "/docs/compare/?release=9.5.8#9.5.8-b4193156f01421a1", "source_url": "/docs/release/9.5.8/#AEN129810"}]}, {"id": "9.4.13-a4d599d0a7c2ef27", "cves": [], "html": "On Windows, retry process creation if we fail to reserve the address range for our shared memory in the new process (Tom Lane, Amit Kapila)
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\nThis misbehavior was observed on BSD-derived platforms (including macOS), but not on most others.
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", "text": "Restrict visibility of pg_user_mappings.umoptions, to protect passwords stored as user mapping options (Michael Paquier, Feike Steenbergen) The previous coding allowed the owner of a foreign server object, or anyone he has granted server USAGE permission to, to see the options for all user mappings associated with that server. This might well include passwords for other users. Adjust the view definition to match the behavior of information_schema.user_mapping_options, namely that these options are visible to the user being mapped, or if the mapping is for PUBLIC and the current user is the server owner, or if the current user is a superuser. (CVE-2017-7486) By itself, this patch will only fix the behavior in newly initdb'd databases. If you wish to apply this change in an existing database, follow the corrected procedure shown in the changelog entry for CVE-2017-7547, in Section E.14.", "title": "Restrict visibility of pg_user_mappings.umoptions, to protect passwords stored as user mapping options", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "1d15f535f558721cc5ea14cb3a23c303ed2843fa761a0d07eeb5a78f91c68448", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Restrict visibility of pg_user_mappings.umoptions, to protect passwords stored as user mapping options (Michael Paquier, Feike Steenbergen) The previous coding allowed the owner of a foreign server object, or anyone he has granted server USAGE permission to, to see the options for all user mappings associated with that server. This might well include passwords for other users. Adjust the view definition to match the behavior of information_schema.user_mapping_options, namely that these options are visible to the user being mapped, or if the mapping is for PUBLIC and the current user is the server owner, or if the current user is a superuser. (CVE-2017-7486) By itself, this patch will only fix the behavior in newly initdb'd databases. If you wish to apply this change in an existing database, follow the corrected procedure shown in the changelog entry for CVE-2017-7547, in release-9-4-13 .", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/001", "db_id": "3858173f76209ff78cd78a8c84e3d490", "patch_ids": [], "statement_hash": "e5bf16de04fae1d5989c0e826b31463e426aa856be2a6dee6bae7a3d0c74c210", "relations": [], "version": "9.4.12", "category_label": "Security", "also_in": [], "variants": [], "related_changes": []}, {"id": "9.4.12-87eaa9ade53cb66b", "cves": ["CVE-2017-7484"], "html": "Prevent exposure of statistical information via leaky operators (Peter Eisentraut)
\nSome selectivity estimation functions in the planner will apply user-defined operators to values obtained from pg_statistic, such as most common values and histogram entries. This occurs before table permissions are checked, so a nefarious user could exploit the behavior to obtain these values for table columns he does not have permission to read. To fix, fall back to a default estimate if the operator's implementation function is not certified leak-proof and the calling user does not have permission to read the table column whose statistics are needed. At least one of these criteria is satisfied in most cases in practice. (CVE-2017-7484)
", "text": "Prevent exposure of statistical information via leaky operators (Peter Eisentraut) Some selectivity estimation functions in the planner will apply user-defined operators to values obtained from pg_statistic, such as most common values and histogram entries. This occurs before table permissions are checked, so a nefarious user could exploit the behavior to obtain these values for table columns he does not have permission to read. To fix, fall back to a default estimate if the operator's implementation function is not certified leak-proof and the calling user does not have permission to read the table column whose statistics are needed. At least one of these criteria is satisfied in most cases in practice. (CVE-2017-7484)", "title": "Prevent exposure of statistical information via leaky operators", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "356e17300fb0d7c39d849c640fb723d9912eccd029bddcce89fc02f4e526c904", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Prevent exposure of statistical information via leaky operators (Peter Eisentraut) Some selectivity estimation functions in the planner will apply user-defined operators to values obtained from pg_statistic, such as most common values and histogram entries. This occurs before table permissions are checked, so a nefarious user could exploit the behavior to obtain these values for table columns he does not have permission to read. To fix, fall back to a default estimate if the operator's implementation function is not certified leak-proof and the calling user does not have permission to read the table column whose statistics are needed. At least one of these criteria is satisfied in most cases in practice. (CVE-2017-7484)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/002", "db_id": "55ae062c0da94da274405a272c224d04", "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938", "relations": [{"rule": 2, "type": "equivalent", "target": "828d8b499b868526013825cd04ce744e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}, {"rule": 2, "type": "equivalent", "target": "b4b75c05a5ed8817af23933ab3fcec8f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}, {"rule": 2, "type": "equivalent", "target": "bf395c1f6a9c6ae6f5fb7af55beb6d79", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}, {"rule": 2, "type": "equivalent", "target": "f34602fe908d4a966c6ed06935e1f04d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}], "version": "9.4.12", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "f34602fe908d4a966c6ed06935e1f04d", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.6.3#9.6.3-87eaa9ade53cb66b", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "bf395c1f6a9c6ae6f5fb7af55beb6d79", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.5.7#9.5.7-87eaa9ade53cb66b", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "b4b75c05a5ed8817af23933ab3fcec8f", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.3.17#9.3.17-87eaa9ade53cb66b", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "828d8b499b868526013825cd04ce744e", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.2.21#9.2.21-87eaa9ade53cb66b", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.4.12-559cb25c3768477b", "cves": ["CVE-2017-7485"], "html": "Restore libpq's recognition of the PGREQUIRESSL environment variable (Daniel Gustafsson)
\nProcessing of this environment variable was unintentionally dropped in PostgreSQL 9.3, but its documentation remained. This creates a security hazard, since users might be relying on the environment variable to force SSL-encrypted connections, but that would no longer be guaranteed. Restore handling of the variable, but give it lower priority than PGSSLMODE, to avoid breaking configurations that work correctly with post-9.3 code. (CVE-2017-7485)
", "text": "Restore libpq's recognition of the PGREQUIRESSL environment variable (Daniel Gustafsson) Processing of this environment variable was unintentionally dropped in PostgreSQL 9.3, but its documentation remained. This creates a security hazard, since users might be relying on the environment variable to force SSL-encrypted connections, but that would no longer be guaranteed. Restore handling of the variable, but give it lower priority than PGSSLMODE, to avoid breaking configurations that work correctly with post-9.3 code. (CVE-2017-7485)", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "c9693c36e566d2a389039af6bd7c0e421d72e430848195d029efc50b1e9dff69", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Restore libpq's recognition of the PGREQUIRESSL environment variable (Daniel Gustafsson) Processing of this environment variable was unintentionally dropped in PostgreSQL 9.3, but its documentation remained. This creates a security hazard, since users might be relying on the environment variable to force SSL-encrypted connections, but that would no longer be guaranteed. Restore handling of the variable, but give it lower priority than PGSSLMODE, to avoid breaking configurations that work correctly with post-9.3 code. (CVE-2017-7485)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/003", "db_id": "8a663d8273a94d653ea47ed9e7245db6", "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f", "relations": [{"rule": 2, "type": "equivalent", "target": "4b178f576c006f92f17dafd5040b63d4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}}, {"rule": 2, "type": "equivalent", "target": "c438ebbc5a20590f4d47bd544943e961", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}}, {"rule": 2, "type": "equivalent", "target": "d56eea5fbb1a7d7e8d1587729ca0cf14", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}}], "version": "9.4.12", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "c438ebbc5a20590f4d47bd544943e961", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}, "url": "/docs/compare/?release=9.6.3#9.6.3-559cb25c3768477b", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "4b178f576c006f92f17dafd5040b63d4", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}, "url": "/docs/compare/?release=9.5.7#9.5.7-559cb25c3768477b", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "d56eea5fbb1a7d7e8d1587729ca0cf14", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}, "url": "/docs/compare/?release=9.3.17#9.3.17-559cb25c3768477b", "source_url": "/docs/release/9.3.17/#AEN116096"}]}, {"id": "9.4.12-6b238a397321deb0", "cves": [], "html": "Fix possibly-invalid initial snapshot during logical decoding (Petr Jelinek, Andres Freund)
\nThe initial snapshot created for a logical decoding replication slot was potentially incorrect. This could cause third-party tools that use logical decoding to copy incomplete/inconsistent initial data. This was more likely to happen if the source server was busy at the time of slot creation, or if another logical slot already existed.
\nIf you are using a replication tool that depends on logical decoding, and it should have copied a nonempty data set at the start of replication, it is advisable to recreate the replica after installing this update, or to verify its contents against the source server.
", "text": "Fix possibly-invalid initial snapshot during logical decoding (Petr Jelinek, Andres Freund) The initial snapshot created for a logical decoding replication slot was potentially incorrect. This could cause third-party tools that use logical decoding to copy incomplete/inconsistent initial data. This was more likely to happen if the source server was busy at the time of slot creation, or if another logical slot already existed. If you are using a replication tool that depends on logical decoding, and it should have copied a nonempty data set at the start of replication, it is advisable to recreate the replica after installing this update, or to verify its contents against the source server.", "title": "Fix possibly-invalid initial snapshot during logical decoding", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "d0499ae4dcd93333def12d1e3b902e481b5e97451a9d2fbd201468895173a41e", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix possibly-invalid initial snapshot during logical decoding (Petr Jelinek, Andres Freund) The initial snapshot created for a logical decoding replication slot was potentially incorrect. This could cause third-party tools that use logical decoding to copy incomplete/inconsistent initial data. This was more likely to happen if the source server was busy at the time of slot creation, or if another logical slot already existed. If you are using a replication tool that depends on logical decoding, and it should have copied a nonempty data set at the start of replication, it is advisable to recreate the replica after installing this update, or to verify its contents against the source server.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/004", "db_id": "5b13f9321266666fc498dfe67c993479", "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d", "relations": [{"rule": 2, "type": "equivalent", "target": "2baaf2e665774e8e2c87b37d9edb045e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}}, {"rule": 2, "type": "equivalent", "target": "f08f755d70b75ef35c30ae8a6d955c81", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}}], "version": "9.4.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2baaf2e665774e8e2c87b37d9edb045e", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Fix possibly-invalid initial snapshot during logical decoding", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}, "url": "/docs/compare/?release=9.6.3#9.6.3-6b238a397321deb0", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "f08f755d70b75ef35c30ae8a6d955c81", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix possibly-invalid initial snapshot during logical decoding", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}, "url": "/docs/compare/?release=9.5.7#9.5.7-6b238a397321deb0", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.4.12-713a97279226cff7", "cves": [], "html": "Fix possible corruption of \"init forks\" of unlogged indexes (Robert Haas, Michael Paquier)
\nThis could result in an unlogged index being set to an invalid state after a crash and restart. Such a problem would persist until the index was dropped and rebuilt.
", "text": "Fix possible corruption of \"init forks\" of unlogged indexes (Robert Haas, Michael Paquier) This could result in an unlogged index being set to an invalid state after a crash and restart. Such a problem would persist until the index was dropped and rebuilt.", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "97489d0a9aa069ca4c56582f52bc241c0a19dfe8b5ae4cc8a5b775d69e0d83a8", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix possible corruption of init forks of unlogged indexes (Robert Haas, Michael Paquier) This could result in an unlogged index being set to an invalid state after a crash and restart. Such a problem would persist until the index was dropped and rebuilt.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/005", "db_id": "4211c712a1cafeeda59a3774d3215bb6", "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95", "relations": [{"rule": 2, "type": "equivalent", "target": "3cd432e6bf2afd9768a1ca6668a16b11", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}, {"rule": 2, "type": "equivalent", "target": "78b68e1b952f1ca693a0b48ee6e72d22", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}, {"rule": 2, "type": "equivalent", "target": "bd24590e475333f4790f5fe53c61411a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}, {"rule": 2, "type": "equivalent", "target": "ca9e7897b0b819057bd22c3e412c2a31", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}], "version": "9.4.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ca9e7897b0b819057bd22c3e412c2a31", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.6.3#9.6.3-713a97279226cff7", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "bd24590e475333f4790f5fe53c61411a", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.5.7#9.5.7-713a97279226cff7", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "3cd432e6bf2afd9768a1ca6668a16b11", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.3.17#9.3.17-713a97279226cff7", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "78b68e1b952f1ca693a0b48ee6e72d22", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.2.21#9.2.21-713a97279226cff7", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.4.12-e4a83b9f8d78bc1f", "cves": [], "html": "Fix incorrect reconstruction of pg_subtrans entries when a standby server replays a prepared but uncommitted two-phase transaction (Tom Lane)
\nIn most cases this turned out to have no visible ill effects, but in corner cases it could result in circular references in pg_subtrans, potentially causing infinite loops in queries that examine rows modified by the two-phase transaction.
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", "text": "Avoid possible crash in walsender due to failure to initialize a string buffer (Stas Kelvich, Fujii Masao)", "title": "Avoid possible crash in walsender due to failure to initialize a string buffer", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "69e20a4a78d706efecc3b02afe1928ef697d557c458f4f1939df2830dfcf31f3", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid possible crash in walsender due to failure to initialize a string buffer (Stas Kelvich, Fujii Masao)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/007", "db_id": "032864fc749f4c992f33733cdff5027a", "patch_ids": [], "statement_hash": "78c990a8e3916aac85819e0d441e44667ec95b081dcf7bb346767d9305e7a503", "relations": [{"rule": 2, "type": "equivalent", "target": "13a1d8ef35101865ff0224e06755e4c6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "78c990a8e3916aac85819e0d441e44667ec95b081dcf7bb346767d9305e7a503"}}, {"rule": 2, "type": "equivalent", "target": "4d108db450f3badf1c6cd090153a2648", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "78c990a8e3916aac85819e0d441e44667ec95b081dcf7bb346767d9305e7a503"}}], "version": "9.4.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "13a1d8ef35101865ff0224e06755e4c6", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Avoid possible crash in walsender due to failure to initialize a string buffer", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "78c990a8e3916aac85819e0d441e44667ec95b081dcf7bb346767d9305e7a503"}, "url": "/docs/compare/?release=9.6.3#9.6.3-1642c21f7d0331f5", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "4d108db450f3badf1c6cd090153a2648", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Avoid possible crash in walsender due to failure to initialize a string buffer", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "78c990a8e3916aac85819e0d441e44667ec95b081dcf7bb346767d9305e7a503"}, "url": "/docs/compare/?release=9.5.7#9.5.7-1642c21f7d0331f5", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.4.12-54a4d31c01245cc6", "cves": [], "html": "Fix postmaster's handling of fork() failure for a background worker process (Tom Lane)
Previously, the postmaster updated portions of its state as though the process had been launched successfully, resulting in subsequent confusion.
", "text": "Fix postmaster's handling of fork() failure for a background worker process (Tom Lane) Previously, the postmaster updated portions of its state as though the process had been launched successfully, resulting in subsequent confusion.", "title": "Fix postmaster's handling of fork() failure for a background worker process", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "07feb8b447a5fca59124522f2b2741716c98bf534dbbfb784a1b95e3541b6a46", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix postmaster's handling of fork() failure for a background worker process (Tom Lane) Previously, the postmaster updated portions of its state as though the process had been launched successfully, resulting in subsequent confusion.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/008", "db_id": "7021976579f14345872a9d74e0dfb7b6", "patch_ids": [], "statement_hash": "c1f121c35aed08692450221269d3c58854ee2d89697e0ee044c7e73ece604d11", "relations": [{"rule": 2, "type": "equivalent", "target": "227f3ff0d82b87f4d6dabda4f15bfd7e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c1f121c35aed08692450221269d3c58854ee2d89697e0ee044c7e73ece604d11"}}, {"rule": 2, "type": "equivalent", "target": "e4a035b7ce4d85af690ca996cd09f523", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c1f121c35aed08692450221269d3c58854ee2d89697e0ee044c7e73ece604d11"}}], "version": "9.4.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "227f3ff0d82b87f4d6dabda4f15bfd7e", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Fix postmaster's handling of fork() failure for a background worker process", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c1f121c35aed08692450221269d3c58854ee2d89697e0ee044c7e73ece604d11"}, "url": "/docs/compare/?release=9.6.3#9.6.3-54a4d31c01245cc6", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "e4a035b7ce4d85af690ca996cd09f523", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix postmaster's handling of fork() failure for a background worker process", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c1f121c35aed08692450221269d3c58854ee2d89697e0ee044c7e73ece604d11"}, "url": "/docs/compare/?release=9.5.7#9.5.7-54a4d31c01245cc6", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.4.12-c9328ee99c42c738", "cves": [], "html": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL (Julien Rouhaud, Tom Lane)
\nDue to lack of a cache flush step between commands in an extension script file, non-utility queries might not see the effects of an immediately preceding catalog change, such as ALTER TABLE ... RENAME.
", "text": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL (Julien Rouhaud, Tom Lane) Due to lack of a cache flush step between commands in an extension script file, non-utility queries might not see the effects of an immediately preceding catalog change, such as ALTER TABLE ... RENAME.", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "984c9075ece4152f93a8def878c245a5a7c6c0a06a3b0ce8a96ac799da243115", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL (Julien Rouhaud, Tom Lane) Due to lack of a cache flush step between commands in an extension script file, non-utility queries might not see the effects of an immediately preceding catalog change, such as ALTER TABLE ... RENAME.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/009", "db_id": "8b609346c52066839e272fc58725e644", "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210", "relations": [{"rule": 2, "type": "equivalent", "target": "091e27d5a961049388f50641f611f375", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}, {"rule": 2, "type": "equivalent", "target": "0d4f2f20b3107b81483a53a687d59d55", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}, {"rule": 2, "type": "equivalent", "target": "1a7d8686c8e50760b935ef10ee916805", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}, {"rule": 2, "type": "equivalent", "target": "5ceac09fd9d4bab483dfd2a50194800a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}], "version": "9.4.12", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1a7d8686c8e50760b935ef10ee916805", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.6.3#9.6.3-c9328ee99c42c738", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "0d4f2f20b3107b81483a53a687d59d55", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.5.7#9.5.7-c9328ee99c42c738", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "5ceac09fd9d4bab483dfd2a50194800a", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.3.17#9.3.17-c9328ee99c42c738", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "091e27d5a961049388f50641f611f375", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.2.21#9.2.21-c9328ee99c42c738", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.4.12-59c256fd7f157862", "cves": [], "html": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index (Noah Misch)
\nThe command failed if the calling user did not currently have CREATE privilege for the tablespace containing the index. That behavior seems unhelpful, so skip the check, allowing the index to be rebuilt where it is.
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\nThis fix prevents unwanted \"constraint does not exist\" failures when no matching constraint is present in the child tables.
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\nThis tended to lead to underestimation of the number of tuples in the table. In the worst case of a small heavily-contended table, VACUUM could incorrectly report that the table contained no tuples, leading to very bad planning choices.
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", "text": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests (Tom Lane, Thomas Munro)", "title": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "1607f1f0650306afd724a89bb6264f8f8acc9cf6aba843827b2128ab6dd65651", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests (Tom Lane, Thomas Munro)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/013", "db_id": "4ebb29373a0e5c0d4208e6dd79e23c12", "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9", "relations": [{"rule": 2, "type": "equivalent", "target": "44a80c2bde78d80851b1a09ce27946cd", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}}, {"rule": 2, "type": "equivalent", "target": "b9dbfae1d26849c91b891fd3f3043668", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}}, {"rule": 2, "type": "equivalent", "target": "e032b7048304783de6b9cf719a0a16f0", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}}, {"rule": 2, "type": "equivalent", "target": "efdfecf5ad98e461aed2bca8807b220a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}}], "version": "9.4.12", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "efdfecf5ad98e461aed2bca8807b220a", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}, "url": "/docs/compare/?release=9.6.3#9.6.3-71bfa252a436aa00", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "b9dbfae1d26849c91b891fd3f3043668", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}, "url": "/docs/compare/?release=9.5.7#9.5.7-71bfa252a436aa00", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "44a80c2bde78d80851b1a09ce27946cd", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}, "url": "/docs/compare/?release=9.3.17#9.3.17-71bfa252a436aa00", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "e032b7048304783de6b9cf719a0a16f0", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1562a4c4c3bb33538f2e69ea858db766d61467d12edcd1161c46a760bc7920a9"}, "url": "/docs/compare/?release=9.2.21#9.2.21-71bfa252a436aa00", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.4.12-e207493ed9ad3365", "cves": [], "html": "Fix integer-overflow problems in interval comparison (Kyotaro Horiguchi, Tom Lane)
\nThe comparison operators for type interval could yield wrong answers for intervals larger than about 296000 years. Indexes on columns containing such large values should be reindexed, since they may be corrupt.
", "text": "Fix integer-overflow problems in interval comparison (Kyotaro Horiguchi, Tom Lane) The comparison operators for type interval could yield wrong answers for intervals larger than about 296000 years. Indexes on columns containing such large values should be reindexed, since they may be corrupt.", "title": "Fix integer-overflow problems in interval comparison", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.4.12/#AEN121715", "source_hash": "c4b2fc0f9ad31c4c97ab853c78e89a7437179466ef1ebd79e03742ff7416f531", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix integer-overflow problems in interval comparison (Kyotaro Horiguchi, Tom Lane) The comparison operators for type interval could yield wrong answers for intervals larger than about 296000 years. Indexes on columns containing such large values should be reindexed, since they may be corrupt.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.4.12/changes/014", "db_id": "ecaa09538553f74070da8438db8e8b6b", "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4", "relations": [{"rule": 2, "type": "equivalent", "target": "0077b71b1a112508522b6344a237e809", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}}, {"rule": 2, "type": "equivalent", "target": "0a0db6affb7f39f7ea35725bbbea34d7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}}], "version": "9.4.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0077b71b1a112508522b6344a237e809", "kind": "equivalent", "version": "9.6.3", "label": "9.6.3", "title": "Fix integer-overflow problems in interval comparison", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}, "url": "/docs/compare/?release=9.6.3#9.6.3-e207493ed9ad3365", "source_url": "/docs/release/9.6.3/#AEN135466"}, {"db_id": "0a0db6affb7f39f7ea35725bbbea34d7", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix integer-overflow problems in interval comparison", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}, "url": "/docs/compare/?release=9.5.7#9.5.7-e207493ed9ad3365", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.4.12-1c78b5dbf5d29389", "cves": [], "html": "Fix cursor_to_xml() to produce valid output with tableforest = false (Thomas Munro, Peter Eisentraut)
Previously it failed to produce a wrapping <table> element.
", "text": "Fix cursor_to_xml() to produce valid output with tableforest = false (Thomas Munro, Peter Eisentraut) Previously it failed to produce a wrapping