A dump/restore using pg_dumpall or use of pg_upgrade or logical replication is required for those wishing to migrate data from any previous release. See Section 18.6 for general information on migrating to new major releases.
\nVersion 12 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
\nA dump/restore is not required for those running 12.X.
\nHowever, if you are upgrading from a version earlier than 12.18, see Section E.5.
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The fix for CVE-2024-10978 accidentally caused settings for role to not be applied if they come from non-interactive sources, including previous ALTER {ROLE|DATABASE} commands and the PGOPTIONS environment variable.
A dump/restore is not required for those running 12.X.
\nHowever, if you are upgrading from a version earlier than 12.18, see Section E.5.
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\nThe PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2024-10976)
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\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2024-10977)
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The PostgreSQL Project thanks Tom Lane for reporting this problem. (CVE-2024-10978)
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Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else. The PostgreSQL Project thanks Tom Lane for reporting this problem. 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\nThe ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, “trusted” PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment.
The PostgreSQL Project thanks Coby Abrams for reporting this problem. (CVE-2024-10979)
", "text": "Prevent trusted PL/Perl code from changing environment variables (Andrew Dunstan, Noah Misch) § § § § The ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, “trusted” PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment. The PostgreSQL Project thanks Coby Abrams for reporting this problem. (CVE-2024-10979)", "title": "Prevent trusted PL/Perl code from changing environment variables", "commits": ["1e457468f", "2ab12d860", "9fc1c3a02", "b1e58defb"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.21/#id-1.11.6.7.6", "source_hash": "e6744a55854d3dcfe9e24769a542ab35dc9f2c65e675692b42c60452cf58d067", "section_path": ["Changes"], "commit_groups": [["0bd9560d9", "256e34653", "64df88700", "8d19f3fea", "9fc1c3a02", "c4252c9ef", "c834b375a"], ["168579e23"], ["16ed4f4d0", "1e457468f", "9f97c31c2", "c1fff7b1b", "c335264c9"], ["2ab12d860", "3ebcfa54d", "8fe3e697a", "b7e3a52a8", "d15ec27c9", "e428cd058", "e530835c6"], ["4cd4f3b97", "6bccd7b03", "88269df4d", "a34c33fd2", "b1e58defb", "f89bd92c9"]], "identity_text": "Prevent trusted PL/Perl code from changing environment variables (Andrew Dunstan, Noah Misch) The ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, trusted PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment. The PostgreSQL Project thanks Coby Abrams for reporting this problem. 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This arrangement is not supported, and other ways of creating it already fail.
", "text": "Disallow ALTER TABLE ATTACH PARTITION if the table to be attached has a foreign key referencing the partitioned table (Álvaro Herrera) § § This arrangement is not supported, and other ways of creating it already fail.", "title": "Disallow ALTER TABLE ATTACH PARTITION if the table to be attached has a foreign key referencing the partitioned table", "commits": ["17ed92e1f", "cae459d11"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.21/#id-1.11.6.7.6", "source_hash": "350a35482749b5285044e4939201cd0dfd639e21f64d323ea30183204a1f4f57", "section_path": ["Changes"], "commit_groups": [["17ed92e1f", "2ee02c98d", "344f9f5e2", "8c0944ac8", "a90bdd7a4", "ada34d714", "e97121d90"], ["38f506470", "57c8b8726", "a54a5c426", "cae459d11", "ebbfa2ae3"]], "identity_text": "Disallow ALTER TABLE ATTACH PARTITION if the table to be attached has a foreign key referencing the partitioned table (Álvaro Herrera) This arrangement is not supported, and other ways of 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\nMis-processing of a recently committed transaction could lead to an assertion failure or a “could not access status of transaction” error.
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A concurrent PREPARE TRANSACTION could cause COMMIT PREPARED to not remove the on-disk two-phase state file for the completed transaction. There was no immediate ill effect, but a subsequent crash-and-recovery could fail with “could not access status of transaction”, requiring manual removal of the orphaned file to restore service.
Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) §
A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.
", "text": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) § A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.", "title": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL", "commits": ["2f33e68a5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.21/#id-1.11.6.7.6", "source_hash": "c03a572dd75615f2b61490d9ae3154d9af265982a323cb1274ba33f42d63f534", "section_path": ["Changes"], "commit_groups": [["09620ea09", "1532599a8", "2f33e68a5", "6530b869c", "911eda9f3", "a613edc5c", "afbd3dc7d"]], "identity_text": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.", "commit_aliases": ["09620ea09", "1532599a8", 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\nNormal row updates write a new version of the row to preserve rollback-ability of the transaction. However, certain system catalog updates are intentionally non-transactional and are done with an in-place update of the row. These patches fix race conditions that could cause the effects of an in-place update to be lost. As an example, it was possible to forget having set pg_class.relhasindex to true, preventing updates of the new index and thus causing index corruption.
Reset catalog caches at end of recovery (Noah Misch) §
\nThis prevents scenarios wherein an in-place catalog update could be lost due to using stale data from a catalog cache.
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Fix “failed to find plan for subquery/CTE” errors in EXPLAIN (Richard Guo, Tom Lane) §
This case arose while trying to print references to fields of a RECORD-type output of a subquery when the subquery has been optimized out of the plan altogether (which is possible at least in the case that it has a constant-false WHERE condition). Nothing remains in the plan to identify the original field names, so fall back to printing f for the NN'th record column. (That's actually the right thing anyway, if the record output arose from a ROW() constructor.)
Disallow a USING clause when altering the type of a generated column (Peter Eisentraut) §
A generated column already has an expression specifying the column contents, so including USING doesn't make sense.
Ignore not-yet-defined Portals in the pg_cursors view (Tom Lane) §
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On platforms where long is 32 bits (notably Windows), this coding would fail after Y2038. Most of the failures appear only cosmetic, but notably pg_ctl start would hang.
Prevent “nothing provides perl(PostgreSQL::Test::Utils)” failures while building RPM packages of PostgreSQL (Noah Misch) §
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Also, historical corrections for Mexico, Mongolia, and Portugal. Notably, Asia/Choibalsan is now an alias for Asia/Ulaanbaatar rather than being a separate zone, mainly because the differences between those zones were found to be based on untrustworthy data.
A dump/restore is not required for those running 12.X.
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\nAn attacker able to create and drop non-temporary objects could inject SQL code that would be executed by a concurrent pg_dump session with the privileges of the role running pg_dump (which is often a superuser). The attack involves replacing a sequence or similar object with a view or foreign table that will execute malicious code. To prevent this, introduce a new server parameter restrict_nonsystem_relation_kind that can disable expansion of non-builtin views as well as access to foreign tables, and teach pg_dump to set it when available. Note that the attack is prevented only if both pg_dump and the server it is dumping from are new enough to have this fix.
The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2024-7348)
", "text": "Prevent unauthorized code execution during pg_dump (Masahiko Sawada) § An attacker able to create and drop non-temporary objects could inject SQL code that would be executed by a concurrent pg_dump session with the privileges of the role running pg_dump (which is often a superuser). The attack involves replacing a sequence or similar object with a view or foreign table that will execute malicious code. To prevent this, introduce a new server parameter restrict_nonsystem_relation_kind that can disable expansion of non-builtin views as well as access to foreign tables, and teach pg_dump to set it when available. Note that the attack is prevented only if both pg_dump and the server it is dumping from are new enough to have this fix. The PostgreSQL Project thanks Noah Misch for reporting this problem. 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To prevent this, introduce a new server parameter restrict_nonsystem_relation_kind that can disable expansion of non-builtin views as well as access to foreign tables, and teach pg_dump to set it when available. Note that the attack is prevented only if both pg_dump and the server it is dumping from are new enough to have this fix. The PostgreSQL Project thanks Noah Misch for reporting this problem. 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", "text": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children (Álvaro Herrera) §", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "commits": ["08b6a9ecf"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.20/#id-1.11.6.8.6", "source_hash": "888d55f818e0496c96ad24ad0284fcb5ba4dbce78fa693c1b45dda8fed57550c", "section_path": ["Changes"], "commit_groups": [["084814d88", "08b6a9ecf", "2b22543a4", "3dd637f3d", "ed7430975", "f74fac06c", "fe1d16f66"]], "identity_text": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children (Álvaro Herrera)", "commit_aliases": ["084814d88", "08b6a9ecf", "2b22543a4", "3dd637f3d", "ed7430975", "f74fac06c", "fe1d16f66"], "source_commits": ["08b6a9ecf"], "source_entry_id": "12.20/changes/002", "db_id": "36f46d6303c1417bbde592ba867df825", "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a", "relations": [{"rule": 2, "type": "equivalent", "target": "b21d67c28f0ca5242009519e7b173b7b", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}, {"rule": 2, "type": "equivalent", "target": "b3cf42386a8c74e236e8bbb0697d28be", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}, {"rule": 2, "type": "equivalent", "target": "ec94ee5a2790279a8a25b3dd3fa5d63a", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}, {"rule": 2, "type": "equivalent", "target": "fd19bcbfaacaf9a4cb511ac5de0af2bb", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}}], "version": "12.20", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ec94ee5a2790279a8a25b3dd3fa5d63a", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=16.4#16.4-d4eaac69a923e982", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "b3cf42386a8c74e236e8bbb0697d28be", "kind": "equivalent", "version": "15.8", "label": "15.8", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=15.8#15.8-9b4166ac9d50e4b8", "source_url": "/docs/release/15.8/#id-1.11.6.17.5"}, {"db_id": "fd19bcbfaacaf9a4cb511ac5de0af2bb", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=14.13#14.13-d9ad424821eab142", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "b21d67c28f0ca5242009519e7b173b7b", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Fix failure after attaching a table as a partition, if the table had previously had inheritance children", "evidence": {"same_day": true, "patch_ids": ["d194b679b521d7439d65560aa40f7eaa"], "statement_hash": "7f7c03eea395221a19931a49a8add19dcca8e00080c3dd073f2b8c37666c7a6a"}, "url": "/docs/compare/?release=13.16#13.16-ceaf20678b789860", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}]}, {"id": "12.20-aa70dc747225f04d", "cves": [], "html": "Fix ALTER TABLE DETACH PARTITION for cases involving inconsistent index-based constraints (Álvaro Herrera, Tender Wang) § §
When a partitioned table has an index that is not associated with a constraint, but a partition has an equivalent index that is, then detaching the partition would misbehave, leaving the ex-partition's constraint with an incorrect coninhcount value. This would cause trouble during any further manipulations of that constraint.
Fix handling of polymorphic output arguments for procedures (Tom Lane) § §
\nThe SQL CALL statement did not resolve the correct data types for such arguments, leading to errors such as “cannot display a value of type anyelement”, or even outright crashes. (But CALL in PL/pgSQL worked correctly.)
Fix behavior of stable functions called from a CALL statement's argument list (Tom Lane) §
If the CALL is within an atomic context (e.g. there's an outer transaction block), such functions were passed the wrong snapshot, causing them to see stale values of rows modified since the start of the outer transaction.
Detect integer overflow in money calculations (Joseph Koshakow) §
None of the arithmetic functions for the money type checked for overflow before, so they would silently give wrong answers for overflowing cases.
Fix over-aggressive clamping of the scale argument in round(numeric) and trunc(numeric) (Dean Rasheed) §
These functions clamped their scale argument to +/-2000, but there are valid use-cases for it to be larger; the functions returned incorrect results in such cases. Instead clamp to the actual allowed range of type numeric.
Prevent pg_sequence_last_value() from failing on unlogged sequences on standby servers and on temporary sequences of other sessions (Nathan Bossart) §
Make it return NULL in these cases instead of throwing an error.
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Per the manual, punctuation in the input of websearch_to_tsquery() is ignored except for the special cases of dashes and quotes. However, parentheses and a few other characters appearing immediately before an or could cause or to be treated as a data word, rather than as an OR operator as expected.
Detect another integer overflow case while computing new array dimensions (Joseph Koshakow) §
\nReject applying array dimensions [-2147483648:2147483647] to an empty array. This is closely related to CVE-2023-5869, but appears harmless since the array still ends up empty.
Detect another case of a new catalog cache entry becoming stale while detoasting its fields (Noah Misch) §
\nAn in-place update occurring while we expand out-of-line fields in a catalog tuple could be missed, leading to a catalog cache entry that lacks the in-place change but is not known to be stale. This is only possible in the pg_database catalog, so the effects are narrow, but misbehavior is possible.
Correctly check updatability of view columns targeted by INSERT ... DEFAULT (Tom Lane) §
If such a column is non-updatable, we should give an error reporting that. But the check was missed and then later code would report an unhelpful error such as “attribute number N not found in view targetlist”.
Avoid reporting an unhelpful internal error for incorrect recursive queries (Tom Lane) §
\nRearrange the order of error checks so that we throw an on-point error when a WITH RECURSIVE query does not have a self-reference within the second arm of the UNION, but does have one self-reference in some other place such as ORDER BY.
Don't throw an error if a queued AFTER trigger no longer exists (Tom Lane) §
It's possible for a transaction to execute an operation that queues a deferred AFTER trigger for later execution, and then to drop the trigger before that happens. Formerly this led to weird errors such as “could not find trigger NNNN”. It seems better to silently do nothing if the trigger no longer exists at the time when it would have been executed.
Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped (Tom Lane) §
If an extension grants some column-level privileges on a table it creates, relevant catalog entries would remain behind after the extension is dropped. This was harmless until/unless the table's OID was re-used for another relation, when it could interfere with what pg_dump dumps for that relation.
", "text": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped (Tom Lane) § If an extension grants some column-level privileges on a table it creates, relevant catalog entries would remain behind after the extension is dropped. This was harmless until/unless the table's OID was re-used for another relation, when it could interfere with what pg_dump dumps for that relation.", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "commits": ["0a39343ae"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.20/#id-1.11.6.8.6", "source_hash": "a5ddaa3bdce6083d144e743cababf11cb75d60460cba739b3080577062a8db32", "section_path": ["Changes"], "commit_groups": [["0a39343ae", "198de7961", "1f1eedd3f", "76618097a", "9cf4beb9e", "f3f6a14ce"]], "identity_text": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped (Tom Lane) If an extension grants some column-level privileges on a table it creates, relevant catalog entries would remain behind after the extension is dropped. This was harmless until/unless the table's OID was re-used for another relation, when it could interfere with what pg_dump dumps for that relation.", "commit_aliases": ["0a39343ae", "198de7961", "1f1eedd3f", "76618097a", "9cf4beb9e", "f3f6a14ce"], "source_commits": ["0a39343ae"], "source_entry_id": "12.20/changes/015", "db_id": "6cffd4781686867264b3fd95e7b5eb36", "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc", "relations": [{"rule": 2, "type": "equivalent", "target": "3b780ebf464f9927f01b5c4d3ea76668", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}, {"rule": 2, "type": "equivalent", "target": "43cb111fec07d666a86bb5dec1743212", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}, {"rule": 2, "type": "equivalent", "target": "6470611c068664c3130f11eb3f99f02c", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}, {"rule": 2, "type": "equivalent", "target": "6d4174831ffae81637000b47a5310615", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}}], "version": "12.20", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3b780ebf464f9927f01b5c4d3ea76668", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=16.4#16.4-71b296d1b24a9a01", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "43cb111fec07d666a86bb5dec1743212", "kind": "equivalent", "version": "15.8", "label": "15.8", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=15.8#15.8-eb8b607b4af7b30a", "source_url": "/docs/release/15.8/#id-1.11.6.17.5"}, {"db_id": "6470611c068664c3130f11eb3f99f02c", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=14.13#14.13-591c3c375c78489d", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "6d4174831ffae81637000b47a5310615", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Fix failure to remove pg_init_privs entries for column-level privileges when their table is dropped", "evidence": {"same_day": true, "patch_ids": ["3915e07b26b93b88feeee184d6868e91"], "statement_hash": "86a340c26d60b26bbf6be9aeacefb9f4a7b7df6e492815c39d1a3d4e3c69f8dc"}, "url": "/docs/compare/?release=13.16#13.16-9149e5e4e63282af", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}]}, {"id": "12.20-fc9cb206fd807563", "cves": [], "html": "Fix selection of an arbiter index for ON CONFLICT when the desired index has expressions or predicates (Tom Lane) §
If a query using ON CONFLICT accesses the target table through an updatable view, it could fail with “there is no unique or exclusion constraint matching the ON CONFLICT specification”, even though a matching index does exist.
Refuse to modify a temporary table of another session with ALTER TABLE (Tom Lane) §
Permissions checks normally would prevent this case from arising, but it is possible to reach it by altering a parent table whose child is another session's temporary table. Throw an error if we discover that such a child table belongs to another session.
", "text": "Refuse to modify a temporary table of another session with ALTER TABLE (Tom Lane) § Permissions checks normally would prevent this case from arising, but it is possible to reach it by altering a parent table whose child is another session's temporary table. Throw an error if we discover that such a child table belongs to another session.", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "commits": ["b8efd756d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.20/#id-1.11.6.8.6", "source_hash": "2f52831f0eabbcabecf95899d650c690825ac093052d3220c23f2dbb83b0ee4d", "section_path": ["Changes"], "commit_groups": [["2dad0f433", "3c71cb497", "7c4ac652e", "7ed8ce8a4", "8397f161e", "b8efd756d"]], "identity_text": "Refuse to modify a temporary table of another session with ALTER TABLE (Tom Lane) Permissions checks normally would prevent this case from arising, but it is possible to reach it by altering a parent table whose child is another session's temporary table. Throw an error if we discover that such a child table belongs to another session.", "commit_aliases": ["2dad0f433", "3c71cb497", "7c4ac652e", "7ed8ce8a4", "8397f161e", "b8efd756d"], "source_commits": ["b8efd756d"], "source_entry_id": "12.20/changes/017", "db_id": "4399fe2876f4be8dfecaa987d5601c8f", "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef", "relations": [{"rule": 2, "type": "equivalent", "target": "1983b6491c0deef6767c8ea6d7285996", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}, {"rule": 2, "type": "equivalent", "target": "41e81c1e144b80cd53840599e298e741", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}, {"rule": 2, "type": "equivalent", "target": "51b850757ab02d17e5f509b67a427f25", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}, {"rule": 2, "type": "equivalent", "target": "8d9910ebff4ea90fbfe38b0c1910b701", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}}], "version": "12.20", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "41e81c1e144b80cd53840599e298e741", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=16.4#16.4-4ce7f4a9264ab505", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "1983b6491c0deef6767c8ea6d7285996", "kind": "equivalent", "version": "15.8", "label": "15.8", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=15.8#15.8-f416472e9628e5b0", "source_url": "/docs/release/15.8/#id-1.11.6.17.5"}, {"db_id": "8d9910ebff4ea90fbfe38b0c1910b701", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=14.13#14.13-78fcd93f10ba02e4", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "51b850757ab02d17e5f509b67a427f25", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Refuse to modify a temporary table of another session with ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["290fcecff46eb2823aad296c96c0e2bc"], "statement_hash": "c7bd3278c5979562d90e9fab72f7830086dde53568336653325fba5a626da3ef"}, "url": "/docs/compare/?release=13.16#13.16-3c6dc30d7ef89c30", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}]}, {"id": "12.20-deec83722c172dc8", "cves": [], "html": "Fix failure to recalculate sub-queries generated from MIN() or MAX() aggregates (Tom Lane) §
In some cases the aggregate result computed at one row of the outer query could be re-used for later rows when it should not be. This has only been seen to happen when the outer query uses DISTINCT that is implemented with hash aggregation, but other cases may exist.
Avoid crashing when a JIT-inlined backend function throws an error (Tom Lane) §
\nThe error state can include pointers into the dynamically loaded module holding the JIT-compiled code (for error location strings). In some code paths the module could get unloaded before the error report is processed, leading to SIGSEGV when the location strings are accessed.
", "text": "Avoid crashing when a JIT-inlined backend function throws an error (Tom Lane) § The error state can include pointers into the dynamically loaded module holding the JIT-compiled code (for error location strings). In some code paths the module could get unloaded before the error report is processed, leading to SIGSEGV when the location strings are accessed.", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "commits": ["dccda847b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.20/#id-1.11.6.8.6", "source_hash": "467533ce765aa256abc4c144ceee36d4881efadb20572fc41a03bc46afa57c76", "section_path": ["Changes"], "commit_groups": [["07d66d3cc", "13abc1f66", "5401e70e4", "5d6c64d29", "86fac88ee", "dccda847b"]], "identity_text": "Avoid crashing when a JIT-inlined backend function throws an error (Tom Lane) The error state can include pointers into the dynamically loaded module holding the JIT-compiled code (for error location strings). In some code paths the module could get unloaded before the error report is processed, leading to SIGSEGV when the location strings are accessed.", "commit_aliases": ["07d66d3cc", "13abc1f66", "5401e70e4", "5d6c64d29", "86fac88ee", "dccda847b"], "source_commits": ["dccda847b"], "source_entry_id": "12.20/changes/019", "db_id": "817329cfdffc2f7cc4012498db50e000", "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2", "relations": [{"rule": 2, "type": "equivalent", "target": "56a4362bbbb6ba3736c130cfa08a59fe", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}, {"rule": 2, "type": "equivalent", "target": "84f5d4026e74111c68b10db90271bba5", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}, {"rule": 2, "type": "equivalent", "target": "8cb79c4f08d8cb77f9647cdad2d34c19", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}, {"rule": 2, "type": "equivalent", "target": "ae9906a0f31ecf76e1ea31a6f249d747", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}}], "version": "12.20", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "84f5d4026e74111c68b10db90271bba5", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=16.4#16.4-cf25ec7b08f3326c", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "ae9906a0f31ecf76e1ea31a6f249d747", "kind": "equivalent", "version": "15.8", "label": "15.8", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=15.8#15.8-4f927a26be2b2e40", "source_url": "/docs/release/15.8/#id-1.11.6.17.5"}, {"db_id": "8cb79c4f08d8cb77f9647cdad2d34c19", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=14.13#14.13-effbe29b6a6536e6", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "56a4362bbbb6ba3736c130cfa08a59fe", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Avoid crashing when a JIT-inlined backend function throws an error", "evidence": {"same_day": true, "patch_ids": ["8061f5a02c1df9d8d56b8123b8cd1591"], "statement_hash": "4620561b314b0e9436b5ad7e019d59c9631e86d23581531f97bc29873df333d2"}, "url": "/docs/compare/?release=13.16#13.16-1d7af98af834d1ea", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}]}, {"id": "12.20-da101a6623b90355", "cves": [], "html": "Cope with behavioral changes in libxml2 version 2.13.x (Erik Wienhold, Tom Lane) §
\nNotably, we now suppress “chunk is not well balanced” errors from libxml2, unless that is the only reported error. This is to make error reports consistent between 2.13.x and earlier libxml2 versions. In earlier versions, that message was almost always redundant or outright incorrect, so 2.13.x substantially reduced the number of cases in which it's reported.
", "text": "Cope with behavioral changes in libxml2 version 2.13.x (Erik Wienhold, Tom Lane) § Notably, we now suppress “chunk is not well balanced” errors from libxml2, unless that is the only reported error. This is to make error reports consistent between 2.13.x and earlier libxml2 versions. In earlier versions, that message was almost always redundant or outright incorrect, so 2.13.x substantially reduced the number of cases in which it's reported.", "title": "Cope with behavioral changes in libxml2 version 2.13.x", "commits": ["a134baea7"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.20/#id-1.11.6.8.6", "source_hash": "22273c3cb3f94c99025a8333ed719cbd5b9450e9c92d8ab1f5432a10063c3ddd", "section_path": ["Changes"], "commit_groups": [["066e8ac6e"], ["475e1807c", "48132587d", "896cd266f", "a134baea7", "a9747be27", "f68d6aabb", "f85c91a18"], ["6082b3d5d"], ["e7192486d"]], "identity_text": "Cope with behavioral changes in libxml2 version 2.13.x (Erik Wienhold, Tom Lane) Notably, we now suppress chunk is not well balanced errors from libxml2, unless that is the only reported error. This is to make error reports consistent between 2.13.x and earlier libxml2 versions. 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\nWhen starting a standby's replay at a shutdown checkpoint WAL record, transactions that had been prepared but not yet committed on the primary are correctly understood as being still in progress. But subtransactions of a prepared transaction (created by savepoints or PL/pgSQL exception blocks) were not accounted for and would be treated as aborted. That led to inconsistency if the prepared transaction was later committed.
", "text": "Fix handling of subtransactions of prepared transactions when starting a hot standby server (Heikki Linnakangas) § When starting a standby's replay at a shutdown checkpoint WAL record, transactions that had been prepared but not yet committed on the primary are correctly understood as being still in progress. But subtransactions of a prepared transaction (created by savepoints or PL/pgSQL exception blocks) were not accounted for and would be treated as aborted. That led to inconsistency if the prepared transaction was later committed.", "title": "Fix handling of subtransactions of prepared transactions when starting a hot standby server", "commits": ["5dea6628b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.20/#id-1.11.6.8.6", "source_hash": "c0f585192fcac0d99c2fc60b5b6efaf7ae6ed1f48de270bc1cc137b6ef582013", "section_path": ["Changes"], "commit_groups": [["0e2f3d78b", "5dea6628b", "9dbf8ab48", "b5b418b68", "cbfbda784", "e9c8747ee"]], "identity_text": "Fix handling of subtransactions of prepared transactions when starting a hot standby server (Heikki Linnakangas) When starting a standby's replay at a shutdown checkpoint WAL record, transactions that had been prepared but not yet committed on the primary are correctly understood as being still in progress. But subtransactions of a prepared transaction (created by savepoints or PL/pgSQL exception blocks) were not accounted for and would be treated as aborted. That led to inconsistency if the prepared transaction was later committed.", "commit_aliases": ["0e2f3d78b", "5dea6628b", "9dbf8ab48", "b5b418b68", "cbfbda784", "e9c8747ee"], "source_commits": ["5dea6628b"], "source_entry_id": "12.20/changes/021", "db_id": "f74676068a4dc67b60724d6dd3992bf1", "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a", "relations": [{"rule": 2, "type": "equivalent", "target": "1d5c68552426f7a688acc9f556a5208b", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}}, {"rule": 2, "type": "equivalent", "target": "66029534417861b20daa965c467fda63", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}}, {"rule": 2, "type": "equivalent", "target": "75f7406ca226a47dd96f203cdf0bdfda", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}}, {"rule": 2, "type": "equivalent", "target": "c820f7d1b7ff7adafc564e87d0542403", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}}], "version": "12.20", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "66029534417861b20daa965c467fda63", "kind": "equivalent", "version": "16.4", "label": "16.4", "title": "Fix handling of subtransactions of prepared transactions when starting a hot standby server", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}, "url": "/docs/compare/?release=16.4#16.4-73a2e8a89c943342", "source_url": "/docs/release/16.4/#RELEASE-16-4-CHANGES"}, {"db_id": "75f7406ca226a47dd96f203cdf0bdfda", "kind": "equivalent", "version": "15.8", "label": "15.8", "title": "Fix handling of subtransactions of prepared transactions when starting a hot standby server", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}, "url": "/docs/compare/?release=15.8#15.8-54ca835560fdb9d1", "source_url": "/docs/release/15.8/#id-1.11.6.17.5"}, {"db_id": "1d5c68552426f7a688acc9f556a5208b", "kind": "equivalent", "version": "14.13", "label": "14.13", "title": "Fix handling of subtransactions of prepared transactions when starting a hot standby server", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}, "url": "/docs/compare/?release=14.13#14.13-7ffe70c86e32c988", "source_url": "/docs/release/14.13/#id-1.11.6.17.5"}, {"db_id": "c820f7d1b7ff7adafc564e87d0542403", "kind": "equivalent", "version": "13.16", "label": "13.16", "title": "Fix handling of subtransactions of prepared transactions when starting a hot standby server", "evidence": {"same_day": true, "patch_ids": ["903d1e081712f6e493da35eca18db280"], "statement_hash": "4ced749c9db1f39b7fea3a9d281066cc68e29a4bca7241300775834bca86f96a"}, "url": "/docs/compare/?release=13.16#13.16-7686fdd2208f0c06", "source_url": "/docs/release/13.16/#id-1.11.6.13.5"}]}, {"id": "12.20-03734ff88ecf36c8", "cves": [], "html": "Prevent incorrect initialization of logical replication slots (Masahiko Sawada) §
\nIn some cases a replication slot's start point within the WAL stream could be set to a point within a transaction, leading to assertion failures or incorrect decoding results.
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\nThe processing functions for these events could switch the current memory context to TopMemoryContext, resulting in session-lifespan leakage of any data allocated before the incorrect setting gets replaced. There were observable leaks associated with (at least) encoding conversion of incoming queries and parameters attached to Bind messages.
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\nThis avoids possible failures with clients that think receipt of a session ticket means that TLS session resumption is supported.
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Don't corrupt PL/Python's TD dictionary during a recursive trigger call (Tom Lane) §
If a PL/Python-language trigger caused another one to be invoked, the TD dictionary created for the inner one would overwrite the outer one's TD dictionary.
Fix PL/Tcl's reporting of invalid list syntax in the result of a function returning tuple (Erik Wienhold, Tom Lane) §
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Avoid clashing with system-provided <regex.h> headers (Thomas Munro) §
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A dump/restore is not required for those running 12.X.
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Such cases would either fail with surprising complaints about mismatched datatypes, or insert unexpected coercions that could lead to odd results.
", "text": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type (Tom Lane) § Such cases would either fail with surprising complaints about mismatched datatypes, or insert unexpected coercions that could lead to odd results.", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "commits": ["82c87af7a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.19/#id-1.11.6.9.6", "source_hash": "78f1b8a476dd5dda389f2af5c3ca763c681ee2b3ff8e16c9d9629356ec0382e7", "section_path": ["Changes"], "commit_groups": [["0200398dd", "3621ffd9f", "52898c63e", "7c61d2342", "82c87af7a", "b4a71cf65"]], "identity_text": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type (Tom Lane) Such cases would either fail with surprising complaints about mismatched datatypes, or insert unexpected coercions that could lead to odd results.", "commit_aliases": ["0200398dd", "3621ffd9f", "52898c63e", "7c61d2342", "82c87af7a", "b4a71cf65"], "source_commits": ["82c87af7a"], "source_entry_id": "12.19/changes/001", "db_id": "785ca9c7fc24a36b5111b0700e489e7a", "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e", "relations": [{"rule": 2, "type": "equivalent", "target": "2e9ef20c90089aeec3983b9a721fdae0", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}, {"rule": 2, "type": "equivalent", "target": "6caa1c3d45d32ad75defa51d23487ce7", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}, {"rule": 2, "type": "equivalent", "target": "9572f8110ded2a8d7803e002d11d40b0", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}, {"rule": 2, "type": "equivalent", "target": "e47bd53c9d8fac9564005be446d56944", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}}], "version": "12.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2e9ef20c90089aeec3983b9a721fdae0", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=16.3#16.3-544aa5578d1043f9", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "9572f8110ded2a8d7803e002d11d40b0", "kind": "equivalent", "version": "15.7", "label": "15.7", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=15.7#15.7-dd89857090ed0e99", "source_url": "/docs/release/15.7/#id-1.11.6.18.5"}, {"db_id": "6caa1c3d45d32ad75defa51d23487ce7", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=14.12#14.12-a3754239b6836d9c", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "e47bd53c9d8fac9564005be446d56944", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Fix INSERT from multiple VALUES rows into a target column that is a domain over an array or composite type", "evidence": {"same_day": true, "patch_ids": ["cdb6ab46aa62a9bbd30ab60cc0ddcf35"], "statement_hash": "6e9f17dfdc85a35829ec9888fc4ded415bb599f998d4093e76c9a9e279644a4e"}, "url": "/docs/compare/?release=13.15#13.15-6e8813730e378dc5", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}]}, {"id": "12.19-171cac36b8b103da", "cves": [], "html": "Fix incorrect pruning of NULL partition when a table is partitioned on a boolean column and the query has a boolean IS NOT clause (David Rowley) §
A NULL value satisfies a clause such as boolcol IS NOT FALSE
Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema (Tom Lane) §
Moving a regular table to a new schema causes any sequences owned by the table to be moved to that schema too (along with indexes and constraints). This was overlooked for foreign tables, however.
", "text": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema (Tom Lane) § Moving a regular table to a new schema causes any sequences owned by the table to be moved to that schema too (along with indexes and constraints). This was overlooked for foreign tables, however.", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "commits": ["a8b740868"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.19/#id-1.11.6.9.6", "source_hash": "ccd27aaa16da2588ad1f9bef62b43737492fbc14ba80242a025edf219db8356a", "section_path": ["Changes"], "commit_groups": [["66bbad581", "7445f0928", "97de2a159", "a8b740868", "b48eda4e5", "fad3b5b5a"]], "identity_text": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema (Tom Lane) Moving a regular table to a new schema causes any sequences owned by the table to be moved to that schema too (along with indexes and constraints). This was overlooked for foreign tables, however.", "commit_aliases": ["66bbad581", "7445f0928", "97de2a159", "a8b740868", "b48eda4e5", "fad3b5b5a"], "source_commits": ["a8b740868"], "source_entry_id": "12.19/changes/003", "db_id": "48b7ba94dd733c6edc7495dbc1492c04", "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0", "relations": [{"rule": 2, "type": "equivalent", "target": "4be5419bd6b46edb6f7272280c3e507a", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}, {"rule": 2, "type": "equivalent", "target": "769cae3d725b2bea33af3671538742b9", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}, {"rule": 2, "type": "equivalent", "target": "dba8e3cd638b09b5c3afb8d28ba19920", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}, {"rule": 2, "type": "equivalent", "target": "f590d69638ed5977544b4db5bcbfa763", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}}], "version": "12.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f590d69638ed5977544b4db5bcbfa763", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=16.3#16.3-730b9768abe0a66f", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "769cae3d725b2bea33af3671538742b9", "kind": "equivalent", "version": "15.7", "label": "15.7", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=15.7#15.7-200c122f1723193b", "source_url": "/docs/release/15.7/#id-1.11.6.18.5"}, {"db_id": "4be5419bd6b46edb6f7272280c3e507a", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=14.12#14.12-193dd46beec02441", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "dba8e3cd638b09b5c3afb8d28ba19920", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Make ALTER FOREIGN TABLE SET SCHEMA move any owned sequences into the new schema", "evidence": {"same_day": true, "patch_ids": ["1d077f81ea4cbc46d677a20d04794bdb"], "statement_hash": "0088b99fffb5c75a1b4ae3139470bf9ebc5569d3f048b2b712806fb28b0efde0"}, "url": "/docs/compare/?release=13.15#13.15-c22ecbe930e84c47", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}]}, {"id": "12.19-3d95a4f1e9bda0ed", "cves": [], "html": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan (Melanie Plageman) §
Previously, heap pages that contain no visible tuples were not counted; but it seems more consistent to count all pages returned by the bitmap index scan.
", "text": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan (Melanie Plageman) § Previously, heap pages that contain no visible tuples were not counted; but it seems more consistent to count all pages returned by the bitmap index scan.", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "commits": ["f3e4581ac"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.19/#id-1.11.6.9.6", "source_hash": "033c7c01943ac6b5699f11534989162f4c7242ad09504acf8902de34bf31ac8c", "section_path": ["Changes"], "commit_groups": [["0960ae196", "1f4eb7342", "262757b73", "992189a3e", "d3d95f583", "f3e4581ac"]], "identity_text": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan (Melanie Plageman) Previously, heap pages that contain no visible tuples were not counted; but it seems more consistent to count all pages returned by the bitmap index scan.", "commit_aliases": ["0960ae196", "1f4eb7342", "262757b73", "992189a3e", "d3d95f583", "f3e4581ac"], "source_commits": ["f3e4581ac"], "source_entry_id": "12.19/changes/004", "db_id": "a6781eb095c0575e3926a5f509629f7e", "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365", "relations": [{"rule": 2, "type": "equivalent", "target": "1e131317b75bec3af2685bf463b52c95", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}, {"rule": 2, "type": "equivalent", "target": "55b97633d2336c4182f273c534c4403c", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}, {"rule": 2, "type": "equivalent", "target": "5d8b1aeb779ca0047404aae006b5aff8", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}, {"rule": 2, "type": "equivalent", "target": "e29ae7de221052c247dd975fc7572378", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}}], "version": "12.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1e131317b75bec3af2685bf463b52c95", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=16.3#16.3-f9fbf726e413d526", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "5d8b1aeb779ca0047404aae006b5aff8", "kind": "equivalent", "version": "15.7", "label": "15.7", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=15.7#15.7-8542c116b2fb8276", "source_url": "/docs/release/15.7/#id-1.11.6.18.5"}, {"db_id": "55b97633d2336c4182f273c534c4403c", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=14.12#14.12-9ac1a0bebef1e748", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "e29ae7de221052c247dd975fc7572378", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Fix EXPLAIN's counting of heap pages accessed by a bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["38a905362c03da47f01e91aea4e43bae"], "statement_hash": "9f50326b7139da9904c367787a6e3cc510e5592a1999bd2ef9efea052016d365"}, "url": "/docs/compare/?release=13.15#13.15-b577df214260669a", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}]}, {"id": "12.19-df96b0e59c03c393", "cves": [], "html": "Avoid deadlock during removal of orphaned temporary tables (Mikhail Zhilin) §
\nIf the session that creates a temporary table crashes without removing the table, autovacuum will eventually try to remove the orphaned table. However, an incoming session that's been assigned the same temporary namespace will do that too. If a temporary table has a dependency (such as an owned sequence) then a deadlock could result between these two cleanup attempts.
", "text": "Avoid deadlock during removal of orphaned temporary tables (Mikhail Zhilin) § If the session that creates a temporary table crashes without removing the table, autovacuum will eventually try to remove the orphaned table. However, an incoming session that's been assigned the same temporary namespace will do that too. If a temporary table has a dependency (such as an owned sequence) then a deadlock could result between these two cleanup attempts.", "title": "Avoid deadlock during removal of orphaned temporary tables", "commits": ["f5d9212e5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.19/#id-1.11.6.9.6", "source_hash": "00b9a79ed55796f67241c8014c6bf6be1fb6a2bd597b1919851694bf035c78e3", "section_path": ["Changes"], "commit_groups": [["4afc2c219", "4fb56a734", "6faca9ae2", "ca392df8d", "cbfbb14bd", "f5d9212e5"]], "identity_text": "Avoid deadlock during removal of orphaned temporary tables (Mikhail Zhilin) If the session that creates a temporary table crashes without removing the table, autovacuum will eventually try to remove the orphaned table. However, an incoming session that's been assigned the same temporary namespace will do that too. If a temporary table has a dependency (such as an owned sequence) then a deadlock could result between these two cleanup attempts.", "commit_aliases": ["4afc2c219", "4fb56a734", "6faca9ae2", "ca392df8d", "cbfbb14bd", "f5d9212e5"], "source_commits": ["f5d9212e5"], "source_entry_id": "12.19/changes/005", "db_id": "964b5974ae34a252057bb68172077f3b", "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a", "relations": [{"rule": 2, "type": "equivalent", "target": "10db092e696e45f9d81a413968b84f80", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}, {"rule": 2, "type": "equivalent", "target": "a0720dc32a33a298317c6bc4c4d54695", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}, {"rule": 2, "type": "equivalent", "target": "a51b29547fb0a3c6e4c7e03971f30b2a", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}, {"rule": 2, "type": "equivalent", "target": "fe708a1ceaa35d707899a2b3639c12ba", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}}], "version": "12.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "a51b29547fb0a3c6e4c7e03971f30b2a", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=16.3#16.3-5468b62e569aaa42", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "fe708a1ceaa35d707899a2b3639c12ba", "kind": "equivalent", "version": "15.7", "label": "15.7", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=15.7#15.7-178852343a784d35", "source_url": "/docs/release/15.7/#id-1.11.6.18.5"}, {"db_id": "a0720dc32a33a298317c6bc4c4d54695", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=14.12#14.12-dd3d8b7400eb4629", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "10db092e696e45f9d81a413968b84f80", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Avoid deadlock during removal of orphaned temporary tables", "evidence": {"same_day": true, "patch_ids": ["a00e878de69d1a19e6ef6073a2362fe6"], "statement_hash": "8fee6f24f6ad4d6a6d08d47e40f856fee7c359c0de64a4bc774737c7cbdb024a"}, "url": "/docs/compare/?release=13.15#13.15-876d2219530d8093", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}]}, {"id": "12.19-ee7edbaaeb1b4fc5", "cves": [], "html": "Avoid race condition while examining per-relation frozen-XID values (Noah Misch) §
\nVACUUM's computation of per-database frozen-XID values from per-relation values could get confused by a concurrent update of those values by another VACUUM.
Disallow converting a table to a view within an outer SQL command that is using that table (Tom Lane) §
\nThis avoids possible crashes.
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\nIn versions before PostgreSQL 16, it was possible for generated conditions to be evaluated below outer joins when they should be evaluated above (after) the outer join, leading to incorrect query results. All versions have a similar hazard when considering joins to UNION ALL trees that have constant outputs for the join column in some SELECT arms.
Avoid unnecessary use of moving-aggregate mode with a non-moving window frame (Vallimaharajan G) §
\nWhen a plain aggregate is used as a window function, and the window frame start is specified as UNBOUNDED PRECEDING, the frame's head cannot move so we do not need to use the special (and more expensive) moving-aggregate mode. This optimization was intended all along, but due to a coding error it never triggered.
Avoid use of already-freed data while planning partition-wise joins under GEQO (Tom Lane) §
\nThis would typically end in a crash or unexpected error message.
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Be more careful with RECORD-returning functions in FROM (Tom Lane) § §
The output columns of such a function call must be defined by an AS clause that specifies the column names and data types. If the actual function output value doesn't match that, an error is supposed to be thrown at runtime. However, some code paths would examine the actual value prematurely, and potentially issue strange errors or suffer assertion failures if it doesn't match expectations.
Fix confusion about the return rowtype of SQL-language procedures (Tom Lane) §
\nA procedure implemented in SQL language that returns a single composite-type column would cause an assertion failure or core dump.
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Some cases that should cause an out-of-range error produced an incorrect result instead.
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If the relation referenced by the argument is dropped concurrently, the function's intention is to return NULL, but sometimes it failed instead.
", "text": "Avoid race condition in pg_get_expr() (Tom Lane) § If the relation referenced by the argument is dropped concurrently, the function's intention is to return NULL, but sometimes it failed instead.", "title": "Avoid race condition in pg_get_expr()", "commits": ["f38903d1e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.19/#id-1.11.6.9.6", "source_hash": "5dee70cb1a9fc8b6f1fb547e2fe87d5a23f09acd2c58668a5886854079736632", "section_path": ["Changes"], "commit_groups": [["26c89d105", "4eb261165", "ce571434a", "ceb224b62", "d21690edb", "f38903d1e"]], "identity_text": "Avoid race condition in pg_get_expr() (Tom Lane) If the relation referenced by the argument is dropped concurrently, the function's intention is to return NULL, but sometimes it failed instead.", "commit_aliases": ["26c89d105", "4eb261165", "ce571434a", "ceb224b62", "d21690edb", "f38903d1e"], "source_commits": ["f38903d1e"], "source_entry_id": "12.19/changes/016", "db_id": "01829a0cebff87a2b9877a415f955076", "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093", "relations": [{"rule": 2, "type": "equivalent", "target": "1d7446d118275bf962c1aa3c48308a97", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}, {"rule": 2, "type": "equivalent", "target": "29630007fa96642d778f6eafaab40d43", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}, {"rule": 2, "type": "equivalent", "target": "b47222c52e1a95cbfda045c2adf1e9d6", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}, {"rule": 2, "type": "equivalent", "target": "b57f7c4322343dc2c18818a94bb79ae4", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}}], "version": "12.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b57f7c4322343dc2c18818a94bb79ae4", "kind": "equivalent", "version": "16.3", "label": "16.3", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=16.3#16.3-3a03ba9e5ef84abb", "source_url": "/docs/release/16.3/#RELEASE-16-3-CHANGES"}, {"db_id": "b47222c52e1a95cbfda045c2adf1e9d6", "kind": "equivalent", "version": "15.7", "label": "15.7", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=15.7#15.7-b8d97a20f9d1514a", "source_url": "/docs/release/15.7/#id-1.11.6.18.5"}, {"db_id": "29630007fa96642d778f6eafaab40d43", "kind": "equivalent", "version": "14.12", "label": "14.12", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=14.12#14.12-3c0a35e3885a4a42", "source_url": "/docs/release/14.12/#id-1.11.6.18.5"}, {"db_id": "1d7446d118275bf962c1aa3c48308a97", "kind": "equivalent", "version": "13.15", "label": "13.15", "title": "Avoid race condition in pg_get_expr()", "evidence": {"same_day": true, "patch_ids": ["e448e265d1ee703598d5a55fc9b219ca"], "statement_hash": "cacb210a1f757b7b8d7c71a88575c7fd4838c1e2cc115a02f6d5f1292030c093"}, "url": "/docs/compare/?release=13.15#13.15-9333974e583b3430", "source_url": "/docs/release/13.15/#id-1.11.6.14.5"}]}, {"id": "12.19-688b760d38a92578", "cves": [], "html": "Fix detection of old transaction IDs in XID status functions (Karina Litskevich) §
\nTransaction IDs more than 231 transactions in the past could be misidentified as recent, leading to misbehavior of pg_xact_status() or txid_status().
Fix file descriptor leakage when an error is thrown while waiting in WaitEventSetWait (Etsuro Fujita) §
Throw an error if an index is accessed while it is being reindexed (Tom Lane) §
\nPreviously this was just an assertion check, but promote it into a regular runtime error. This will provide a more on-point error message when reindexing a user-defined index expression that attempts to access its own table.
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The value physically stored in the index is truncated, and previously a pointer to that value was returned to callers. This provoked complaints when testing under valgrind. In theory it could result in crashes, though none have been reported.
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Fix pg_dumpall so that role comments, if present, will be dumped regardless of the setting of --no-role-passwords (Daniel Gustafsson, Álvaro Herrera) § §
Fix PL/pgSQL's parsing of single-line comments (---style comments) following expressions (Erik Wienhold, Tom Lane) §
This mistake caused parse errors if such a comment followed a WHEN expression in a PL/pgSQL CASE statement.
In contrib/amcheck, don't report false match failures due to short- versus long-header values (Andrey Borodin, Michael Zhilin) § §
A variable-length datum in a heap tuple or index tuple could have either a short or a long header, depending on compression parameters that applied when it was made. Treat these cases as equivalent rather than complaining if there's a difference.
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This could occur in cases involving UNION ALL with constant-emitting subqueries. Sorting by a constant is useless of course, but it also risks being misinterpreted by the remote server, leading to “ORDER BY position N is not in select list” errors.
Make contrib/postgres_fdw set the remote session's time zone to GMT not UTC (Tom Lane) §
This should have the same results for practical purposes. However, GMT is recognized by hard-wired code in the server, while UTC is looked up in the timezone database. So the old code could fail in the unlikely event that the remote server's timezone database is missing entries.
In contrib/xml2, avoid use of library functions that have been deprecated in recent versions of libxml2 (Dmitry Koval) §
Fix incompatibility with LLVM 18 (Thomas Munro, Dmitry Dolgov) §
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A dump/restore is not required for those running 12.X.
\nHowever, one bug was fixed that could have resulted in corruption of GIN indexes during concurrent updates. If you suspect such corruption, reindex affected indexes after installing this update.
\nAlso, if you are upgrading from a version earlier than 12.17, see Section E.6.
", "compatibility_count": 0, "label": "12.18", "status_label": "Historical", "eol": "2024-11-21", "age_days": 964, "support_days": -677, "entries": [{"id": "12.18-8363a91ecff35262", "cves": ["CVE-2024-0985"], "html": "Tighten security restrictions within REFRESH MATERIALIZED VIEW CONCURRENTLY (Heikki Linnakangas) § §
One step of a concurrent refresh command was run under weak security restrictions. If a materialized view's owner could persuade a superuser or other high-privileged user to perform a concurrent refresh on that view, the view's owner could control code executed with the privileges of the user running REFRESH. Fix things so that all user-determined code is run as the view's owner, as expected.
The only known exploit for this error does not work in PostgreSQL 16.0 and later, so it may be that v16 is not vulnerable in practice.
\nThe PostgreSQL Project thanks Pedro Gallegos for reporting this problem. (CVE-2024-0985)
", "text": "Tighten security restrictions within REFRESH MATERIALIZED VIEW CONCURRENTLY (Heikki Linnakangas) § § One step of a concurrent refresh command was run under weak security restrictions. If a materialized view's owner could persuade a superuser or other high-privileged user to perform a concurrent refresh on that view, the view's owner could control code executed with the privileges of the user running REFRESH. Fix things so that all user-determined code is run as the view's owner, as expected. The only known exploit for this error does not work in PostgreSQL 16.0 and later, so it may be that v16 is not vulnerable in practice. The PostgreSQL Project thanks Pedro Gallegos for reporting this problem. 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Fix things so that all user-determined code is run as the view's owner, as expected. The only known exploit for this error does not work in PostgreSQL 16.0 and later, so it may be that v16 is not vulnerable in practice. The PostgreSQL Project thanks Pedro Gallegos for reporting this problem. 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\nThere have been multiple reports of backend processes suffering out-of-memory conditions after sufficiently many JIT compilations. This fix should resolve that.
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\nThis fixes O(N^2) behavior when the list of waiters is long. In some use-cases this results in substantial throughput improvements.
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\nSome uncommon situations involving lateral references could create incorrect plans. Affected queries could produce wrong answers, or odd failures such as “variable not found in subplan target list”, or executor crashes.
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If a grandchild table would inherit the new column via multiple intermediate parents, the command failed with “tuple already updated by self”.
", "text": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree (Tender Wang) § If a grandchild table would inherit the new column via multiple intermediate parents, the command failed with “tuple already updated by self”.", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "commits": ["2f7242837"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.18/#id-1.11.6.10.6", "source_hash": "22b8493502a7b509aaea840ac18bc963c8dace9a40fb55ff320990eb6694e0dc", "section_path": ["Changes"], "commit_groups": [["2f7242837", "51193e7a7", "5a7833f49", "ad6fbbeeb", "bb812ab09", "bfec14d06"]], "identity_text": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree (Tender Wang) If a grandchild table would inherit the new column via multiple intermediate parents, the command failed with tuple already updated by self.", "commit_aliases": ["2f7242837", "51193e7a7", "5a7833f49", "ad6fbbeeb", "bb812ab09", "bfec14d06"], "source_commits": ["2f7242837"], "source_entry_id": "12.18/changes/008", "db_id": "301792a25f5cba72b30b84c95ef907f5", "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8", "relations": [{"rule": 2, "type": "equivalent", "target": "142fb00bd273ceb1084026118f4b21b6", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}, {"rule": 2, "type": "equivalent", "target": "673170aa07e336a5c8baed14356d0f67", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}, {"rule": 2, "type": "equivalent", "target": "946b01eb01795e5f4ce183aa9fbbdb39", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}, {"rule": 2, "type": "equivalent", "target": "ef85d1026556ed2b4eaab696535fbcd7", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}}], "version": "12.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "142fb00bd273ceb1084026118f4b21b6", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=16.2#16.2-79afef1c3ae55a3a", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "673170aa07e336a5c8baed14356d0f67", "kind": "equivalent", "version": "15.6", "label": "15.6", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=15.6#15.6-7a8b3c47032c76b0", "source_url": "/docs/release/15.6/#id-1.11.6.19.5"}, {"db_id": "ef85d1026556ed2b4eaab696535fbcd7", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=14.11#14.11-0c5220275c391551", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "946b01eb01795e5f4ce183aa9fbbdb39", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix possible failure during ALTER TABLE ADD COLUMN on a complex inheritance tree", "evidence": {"same_day": true, "patch_ids": ["be49e88e0990c2df1775a93a35c5e42a"], "statement_hash": "97cdf172dd624c2910cce06079cd54407fb34b4118bab8a35282cf0874bacdd8"}, "url": "/docs/compare/?release=13.14#13.14-1faed4c35c0e97f4", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}]}, {"id": "12.18-44f75ae507d7e0ed", "cves": [], "html": "Fix problems with duplicate token names in ALTER TEXT SEARCH CONFIGURATION ... MAPPING commands (Tender Wang, Michael Paquier) §
Properly lock the associated table during DROP STATISTICS (Tomas Vondra) §
Failure to acquire the lock could result in “tuple concurrently deleted” errors if the DROP executes concurrently with ANALYZE.
Fix function volatility checking for GENERATED and DEFAULT expressions (Tom Lane) §
These places could fail to detect insertion of a volatile function default-argument expression, or decide that a polymorphic function is volatile although it is actually immutable on the datatype of interest. This could lead to improperly rejecting or accepting a GENERATED clause, or to mistakenly applying the constant-default-value optimization in ALTER TABLE ADD COLUMN.
Detect that a new catalog cache entry became stale while detoasting its fields (Tom Lane) § §
\nWe expand any out-of-line fields in a catalog tuple before inserting it into the catalog caches. That involves database access which might cause invalidation of catalog cache entries — but the new entry isn't in the cache yet, so we would miss noticing that it should get invalidated. The result is a race condition in which an already-stale cache entry could get made, and then persist indefinitely. This would lead to hard-to-predict misbehavior. Fix by rechecking the tuple's visibility after detoasting.
", "text": "Detect that a new catalog cache entry became stale while detoasting its fields (Tom Lane) § § We expand any out-of-line fields in a catalog tuple before inserting it into the catalog caches. That involves database access which might cause invalidation of catalog cache entries — but the new entry isn't in the cache yet, so we would miss noticing that it should get invalidated. The result is a race condition in which an already-stale cache entry could get made, and then persist indefinitely. This would lead to hard-to-predict misbehavior. Fix by rechecking the tuple's visibility after detoasting.", "title": "Detect that a new catalog cache entry became stale while detoasting its fields", "commits": ["3b4d85cf1", "d29a4fbac"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.18/#id-1.11.6.10.6", "source_hash": "e9b7601d155d443111b6eba55d3f7e5f23b748999e46674c723ab4ab23d66ea0", "section_path": ["Changes"], "commit_groups": [["2a46a0df4", "3b4d85cf1", "7e2561e1a", "98e03f957", "ad98fb142", "db122d426"], ["475b3ea3c", "56dcd71de", "7ceeb57ba", "96c019ffa", "d29a4fbac", "d41358f4b"]], "identity_text": "Detect that a new catalog cache entry became stale while detoasting its fields (Tom Lane) We expand any out-of-line fields in a catalog tuple before inserting it into the catalog caches. That involves database access which might cause invalidation of catalog cache entries — but the new entry isn't in the cache yet, so we would miss noticing that it should get invalidated. The result is a race condition in which an already-stale cache entry could get made, and then persist indefinitely. This would lead to hard-to-predict misbehavior. Fix by rechecking the tuple's visibility after detoasting.", "commit_aliases": ["2a46a0df4", "3b4d85cf1", "475b3ea3c", "56dcd71de", "7ceeb57ba", "7e2561e1a", "96c019ffa", "98e03f957", "ad98fb142", "d29a4fbac", "d41358f4b", "db122d426"], "source_commits": ["3b4d85cf1", "d29a4fbac"], "source_entry_id": "12.18/changes/012", "db_id": "0f3e6462b9a06ec443192f85a341b28a", "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1", "relations": [{"rule": 2, "type": "equivalent", "target": "48a20702e9c5f1c7910ebe53cfafc893", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}}, {"rule": 2, "type": "equivalent", "target": "583ae0d5aaa8513cfe4fa001f0acf10a", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}}, {"rule": 2, "type": "equivalent", "target": "6e4ff4564f959e95f303ecee3808b06b", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}}, {"rule": 2, "type": "equivalent", "target": "c5fe09639e128d1bedf8b8f20bb6dd2a", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}}], "version": "12.18", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "583ae0d5aaa8513cfe4fa001f0acf10a", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Detect that a new catalog cache entry became stale while detoasting its fields", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}, "url": "/docs/compare/?release=16.2#16.2-26c80eb4dc7181c3", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "c5fe09639e128d1bedf8b8f20bb6dd2a", "kind": "equivalent", "version": "15.6", "label": "15.6", "title": "Detect that a new catalog cache entry became stale while detoasting its fields", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}, "url": "/docs/compare/?release=15.6#15.6-86ef17c63b10fe39", "source_url": "/docs/release/15.6/#id-1.11.6.19.5"}, {"db_id": "6e4ff4564f959e95f303ecee3808b06b", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Detect that a new catalog cache entry became stale while detoasting its fields", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}, "url": "/docs/compare/?release=14.11#14.11-2ff054716fdf65d3", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "48a20702e9c5f1c7910ebe53cfafc893", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Detect that a new catalog cache entry became stale while detoasting its fields", "evidence": {"same_day": true, "patch_ids": ["52adc22f7e9127149ea3465a1f666b1b", "8f38a167545caff809df52a7908322cd"], "statement_hash": "020bd9b1f058ad0ed3f4984d9bb28313d69034c42bc0cdb19de9ed8f794507c1"}, "url": "/docs/compare/?release=13.14#13.14-bc362f16a8a3f6cd", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}]}, {"id": "12.18-0f5298ebbdd296bc", "cves": [], "html": "Fix edge-case integer overflow detection bug on some platforms (Dean Rasheed) §
\nComputing 0 - INT64_MIN should result in an overflow error, and did on most platforms. However, platforms with neither integer overflow builtins nor 128-bit integers would fail to spot the overflow, instead returning INT64_MIN.
Detect Julian-date overflow when adding or subtracting an interval to/from a timestamp (Tom Lane) §
Some cases that should cause an out-of-range error produced an incorrect result instead.
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Some cases that should cause an out-of-range error produced an incorrect result instead.
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Invalid values were not noted in the view as intended. This escaped detection because there are very few settings in these groups.
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\nPreviously we could accept an index that has a different collation from the corresponding element of the partition key, possibly leading to misbehavior.
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\nIf an index root page split occurs concurrently with our own insertion, the code could fail with “buffer NNNN is not owned by resource owner”.
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\nTrying to use an index of this kind could lead to “No such file or directory” errors.
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\nA no-op ALTER LARGE OBJECT OWNER command (that is, one selecting the existing owner) passed the wrong class ID to the PostAlterHook, probably confusing any extension using that hook.
Prevent standby servers from incorrectly processing dead index tuples during subtransactions (Fei Changhong) §
\nThe startedInRecovery flag was not correctly set for a subtransaction. This affects only processing of dead index tuples. It could allow a query in a subtransaction to ignore index entries that it should return (if they are already dead on the primary server, but not dead to the standby transaction), or to prematurely mark index entries as dead that are not yet dead on the primary. It is not clear that the latter case has any serious consequences, but it's not the intended behavior.
Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription (Shlok Kyal) §
\nOne edge of the deadlock loop did not involve a lock wait, so the deadlock went undetected and would persist until manual intervention.
", "text": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription (Shlok Kyal) § One edge of the deadlock loop did not involve a lock wait, so the deadlock went undetected and would persist until manual intervention.", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "commits": ["e81e617f3"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.18/#id-1.11.6.10.6", "source_hash": "14d527a677b3a1c29fd70b5cc63a1c1bd51a65714ad8a4907f73accbccf87594", "section_path": ["Changes"], "commit_groups": [["01cc92fa6", "332b43063", "3f86867d5", "8d7d2197f", "b47ea4f3d", "e81e617f3"]], "identity_text": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription (Shlok Kyal) One edge of the deadlock loop did not involve a lock wait, so the deadlock went undetected and would persist until manual intervention.", "commit_aliases": ["01cc92fa6", "332b43063", "3f86867d5", "8d7d2197f", "b47ea4f3d", "e81e617f3"], "source_commits": ["e81e617f3"], "source_entry_id": "12.18/changes/023", "db_id": "c38912d1c2ceb29d1db3b23aaf238c85", "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f", "relations": [{"rule": 2, "type": "equivalent", "target": "2a011962b460c2ba9e7ce01c4df22901", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}, {"rule": 2, "type": "equivalent", "target": "a16b5724c7373619ea8caa35f2b5239a", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}, {"rule": 2, "type": "equivalent", "target": "ce1b6ec0e1a165e554f641b1ab0be72a", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}, {"rule": 2, "type": "equivalent", "target": "fed1930920c400f602fd8c892c9284b9", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}}], "version": "12.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2a011962b460c2ba9e7ce01c4df22901", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=16.2#16.2-86d10b7fea7df6c7", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "a16b5724c7373619ea8caa35f2b5239a", "kind": "equivalent", "version": "15.6", "label": "15.6", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=15.6#15.6-48a084e107535f56", "source_url": "/docs/release/15.6/#id-1.11.6.19.5"}, {"db_id": "ce1b6ec0e1a165e554f641b1ab0be72a", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=14.11#14.11-2a2c07f7cfda5d98", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "fed1930920c400f602fd8c892c9284b9", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix deadlock between a logical replication apply worker, its tablesync worker, and a session process trying to alter the subscription", "evidence": {"same_day": true, "patch_ids": ["5aa8956856b741064c4dd397b8d86172"], "statement_hash": "9644ae9b670e5855502359ee44deb1d70dbfc5123d7656c777122618dcc47f1f"}, "url": "/docs/compare/?release=13.14#13.14-3f22dc610490e54a", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}]}, {"id": "12.18-de446b52ea4fe9f3", "cves": [], "html": "Return the correct status code when a new client disconnects without responding to the server's password challenge (Liu Lang, Tom Lane) §
\nIn some cases we'd treat this as a loggable error, which was not the intention and tends to create log spam, since common clients like psql frequently do this. It may also confuse extensions that use ClientAuthentication_hook.
Fix incompatibility with OpenSSL 3.2 (Tristan Partin, Bo Andreson) §
\nUse the BIO “app_data” field for our private storage, instead of assuming it's okay to use the “data” field. This mistake didn't cause problems before, but with 3.2 it leads to crashes and complaints about double frees.
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If errno isn't set, assume the cause of the reported failure is read EOF. This fixes rare cases of strange error reports like “could not accept SSL connection: Success”.
Report ENOMEM errors from file-related system calls as ERRCODE_OUT_OF_MEMORY, not ERRCODE_INTERNAL_ERROR (Alexander Kuzmenkov) §
Avoid race condition when libpq initializes OpenSSL support concurrently in two different threads (Willi Mann, Michael Paquier) §
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\nWhen using GSSAPI encryption in non-blocking mode, libpq sometimes failed with “GSSAPI caller failed to retransmit all data needing to be retried”.
", "text": "Fix timing-dependent failure in GSSAPI data transmission (Tom Lane) § When using GSSAPI encryption in non-blocking mode, libpq sometimes failed with “GSSAPI caller failed to retransmit all data needing to be retried”.", "title": "Fix timing-dependent failure in GSSAPI data transmission", "commits": ["18fad508b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.18/#id-1.11.6.10.6", "source_hash": "69742c8d25652bdae07253837cf096ac559ad65b0ac18b79aced374ddd1f9940", "section_path": ["Changes"], "commit_groups": [["18fad508b", "5abdfd88f", "85eb77185", "8f23e6a45", "a50053777", "d053a879b"]], "identity_text": "Fix timing-dependent failure in GSSAPI data transmission (Tom Lane) When using GSSAPI encryption in non-blocking mode, libpq sometimes failed with GSSAPI caller failed to retransmit all data needing to be retried.", "commit_aliases": ["18fad508b", "5abdfd88f", "85eb77185", "8f23e6a45", "a50053777", "d053a879b"], "source_commits": ["18fad508b"], "source_entry_id": "12.18/changes/029", "db_id": "d7142464a559e3f113b2c9fe54148cb0", "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52", "relations": [{"rule": 2, "type": "equivalent", "target": "06e24af44b58190bceeeeeb4622ba2d6", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}}, {"rule": 2, "type": "equivalent", "target": "26258719d8dae9621aa9117ad4422092", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}}, {"rule": 2, "type": "equivalent", "target": "a03d0fe615fb2448bb621e4b63a37bf8", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}}, {"rule": 2, "type": "equivalent", "target": "c0f1156bbbecb2b0880e4ce6f2ab3a8b", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}}], "version": "12.18", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "06e24af44b58190bceeeeeb4622ba2d6", "kind": "equivalent", "version": "16.2", "label": "16.2", "title": "Fix timing-dependent failure in GSSAPI data transmission", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}, "url": "/docs/compare/?release=16.2#16.2-8b35bdb19ba43861", "source_url": "/docs/release/16.2/#RELEASE-16-2-CHANGES"}, {"db_id": "a03d0fe615fb2448bb621e4b63a37bf8", "kind": "equivalent", "version": "15.6", "label": "15.6", "title": "Fix timing-dependent failure in GSSAPI data transmission", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}, "url": "/docs/compare/?release=15.6#15.6-e956a64c990b3f52", "source_url": "/docs/release/15.6/#id-1.11.6.19.5"}, {"db_id": "c0f1156bbbecb2b0880e4ce6f2ab3a8b", "kind": "equivalent", "version": "14.11", "label": "14.11", "title": "Fix timing-dependent failure in GSSAPI data transmission", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}, "url": "/docs/compare/?release=14.11#14.11-da924a3adcaa7e8b", "source_url": "/docs/release/14.11/#id-1.11.6.19.5"}, {"db_id": "26258719d8dae9621aa9117ad4422092", "kind": "equivalent", "version": "13.14", "label": "13.14", "title": "Fix timing-dependent failure in GSSAPI data transmission", "evidence": {"same_day": true, "patch_ids": ["374e76c0c990e89c224b09f0831eae4e"], "statement_hash": "f66b7d052b80eb0940ee004e312188d8b4dbda3fc663a87eff9da76c562aad52"}, "url": "/docs/compare/?release=13.14#13.14-52b6180e41098860", "source_url": "/docs/release/13.14/#id-1.11.6.15.5"}]}, {"id": "12.18-3e4e1d41ce8bfc3b", "cves": [], "html": "In pg_dump, don't dump RLS policies or security labels for extension member objects (Tom Lane, Jacob Champion) § §
\nPreviously, commands would be included in the dump to set these properties, which is really incorrect since they should be considered as internal affairs of the extension. Moreover, the restoring user might not have adequate privilege to set them, and indeed the dumping user might not have enough privilege to dump them (since dumping RLS policies requires acquiring lock on their table).
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Report a better error when contrib/pgstattuple's pgstathashindex() function is applied to a partitioned hash index (Alexander Lakhin) §
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\nWhen assigning new elements to array subscripts that are outside the current array bounds, an undetected integer overflow could occur in edge cases. Memory stomps that are potentially exploitable for arbitrary code execution are possible, and so is disclosure of server memory.
\nThe PostgreSQL Project thanks Pedro Gallegos for reporting this problem. (CVE-2023-5869)
", "text": "Detect integer overflow while computing new array dimensions (Tom Lane) § When assigning new elements to array subscripts that are outside the current array bounds, an undetected integer overflow could occur in edge cases. Memory stomps that are potentially exploitable for arbitrary code execution are possible, and so is disclosure of server memory. The PostgreSQL Project thanks Pedro Gallegos for reporting this problem. 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The documentation says that pg_signal_backend cannot issue signals to superuser-owned processes. It was able to signal these background processes, though, because they advertise a role OID of zero. Treat that as indicating superuser ownership. The security implications of cancelling one of these process types are fairly small so far as the core code goes (we'll just start another one), but extensions might add background workers that are more vulnerable.
Also ensure that the is_superuser parameter is set correctly in such processes. No specific security consequences are known for that oversight, but it might be significant for some extensions.
The PostgreSQL Project thanks Hemanth Sandrana and Mahendrakar Srinivasarao for reporting this problem. (CVE-2023-5870)
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The security implications of cancelling one of these process types are fairly small so far as the core code goes (we'll just start another one), but extensions might add background workers that are more vulnerable. Also ensure that the is_superuser parameter is set correctly in such processes. No specific security consequences are known for that oversight, but it might be significant for some extensions. The PostgreSQL Project thanks Hemanth Sandrana and Mahendrakar Srinivasarao for reporting this problem. 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\nFix a case where the location of a page downlink was incorrectly tracked, and introduce some logic to allow recovering from such situations rather than silently doing the wrong thing. This error could result in incorrect answers from subsequent index searches. It may be advisable to reindex all GiST indexes after installing this update.
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\nSome cases involving an IS NULL condition on one of the partition keys could result in a crash.
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\nWhen restoring an indexscan to a previously marked position, the code could miss required setup steps if the scan had advanced exactly to the end of the matches for a ScalarArrayOpExpr (that is, an indexcol = ANY(ARRAY[])) clause. This could result in missing some rows that should have been fetched.
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Throw the intended error if pgrowlocks() is applied to a partitioned table (David Rowley) §
Previously, a not-on-point complaint “only heap AM is supported” would be raised.
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\nReport an error if pgstatindex(), pgstatginindex(), pgstathashindex(), or pgstattuple() is applied to an invalid index. If brin_desummarize_range(), brin_summarize_new_values(), brin_summarize_range(), or gin_clean_pending_list() is applied to an invalid index, do nothing except to report a debug-level message. Formerly these functions attempted to process the index, and might fail in strange ways depending on what the failed CREATE INDEX had left behind.
Avoid premature memory allocation failure with long inputs to to_tsvector() (Tom Lane) §
Fix over-allocation of the constructed tsvector in tsvectorrecv() (Denis Erokhin) §
If the incoming vector includes position data, the binary receive function left wasted space (roughly equal to the size of the position data) in the finished tsvector. In extreme cases this could lead to “maximum total lexeme length exceeded” failures for vectors that were under the length limit when emitted. In any case it could lead to wasted space on-disk.
Fix incorrect coding in gtsvector_picksplit() (Alexander Lakhin) §
This could lead to poor page-split decisions in GiST indexes on tsvector columns.
Fix COMMIT AND CHAIN/ROLLBACK AND CHAIN to work properly when there is an unreleased savepoint (Liu Xiang, Tom Lane) §
Instead of propagating the current transaction's properties to the new transaction, they propagated some previous transaction's properties.
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This prevents possible misbehavior if any catalog entries for the temp tables have fields wide enough to require toasting (such as a very complex CHECK condition).
Avoid improper response to shutdown signals in child processes just forked by system() (Nathan Bossart) § §
This fix avoids a race condition in which a child process that has been forked off by system(), but hasn't yet exec'd the intended child program, might receive and act on a signal intended for the parent server process. That would lead to duplicate cleanup actions being performed, which will not end well.
Cope with torn reads of pg_control in frontend programs (Thomas Munro) §
On some file systems, reading pg_control may not be an atomic action when the server concurrently writes that file. This is detectable via a bad CRC. Retry a few times to see if the file becomes valid before we report error.
Avoid torn reads of pg_control in relevant SQL functions (Thomas Munro) §
Acquire the appropriate lock before reading pg_control, to ensure we get a consistent view of that file.
Avoid integer overflow when computing size of backend activity string array (Jakub Wartak) §
\nOn 64-bit machines we will allow values of track_activity_query_size large enough to cause 32-bit overflow when multiplied by the allowed number of connections. The code actually allocating the per-backend local array was careless about this though, and allocated the array incorrectly.
Track the dependencies of cached CALL statements, and re-plan them when needed (Tom Lane) §
DDL commands, such as replacement of a function that has been inlined into a CALL argument, can create the need to re-plan a CALL that has been cached by PL/pgSQL. That was not happening, leading to misbehavior or strange errors such as “cache lookup failed”.
Track nesting depth correctly when inspecting RECORD-type Vars from outer query levels (Richard Guo) §
This oversight could lead to assertion failures, core dumps, or “bogus varno” errors.
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This ensures that after renaming a role, the meaning of the special string $user is re-determined.
Fix order of operations in GenericXLogFinish (Jeff Davis) §
This code violated the conditions required for crash safety by writing WAL before marking changed buffers dirty. No core code uses this function, but extensions do (contrib/bloom does, for example).
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slot names in pg_basebackup (Jelte Fennema) §
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Fix failure of contrib/btree_gin indexes on interval columns, when an indexscan using the < or <= operator is performed (Dean Rasheed) §
Such an indexscan failed to return all the entries it should.
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\nXcode 15 (released with macOS Sonoma) changed the linker's behavior in a way that causes many duplicate-library warnings while building PostgreSQL. These were harmless, but they're annoying so avoid citing the same libraries twice. Also remove use of the -multiply_defined suppress linker switch, which apparently has been a no-op for a long time, and is now actively complained of.
Remove PHOT (Phoenix Islands Time) from the default timezone abbreviations list (Tom Lane) §
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\nHowever, if you use BRIN indexes, it may be advisable to reindex them; see the second changelog entry below.
\nAlso, if you are upgrading from a version earlier than 12.10, see Section E.13.
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\nThis restriction guards against SQL-injection hazards for trusted extensions.
\nThe PostgreSQL Project thanks Micah Gates, Valerie Woolard, Tim Carey-Smith, and Christoph Berg for reporting this problem. (CVE-2023-39417)
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\nEach of these oversights could result in forgetting that a BRIN index range contains any NULL values, potentially allowing subsequent queries that should return NULL values to miss doing so.
\nThis fix will not in itself correct faulty BRIN entries. It's recommended to REINDEX any BRIN indexes that may be used to search for nulls.
Avoid leaving a corrupted database behind when DROP DATABASE is interrupted (Andres Freund) §
If DROP DATABASE was interrupted after it had already begun taking irreversible steps, the target database remained accessible (because the removal of its pg_database row would roll back), but it would have corrupt contents. Fix by marking the database as inaccessible before we begin to perform irreversible operations. A failure after that will leave the database still partially present, but nothing can be done with it except to issue another DROP DATABASE.
Ensure that partitioned indexes are correctly marked as valid or not at creation (Michael Paquier) §
\nIf a new partitioned index matches an existing but invalid index on one of the partitions, the partitioned index could end up being marked valid prematurely. This could lead to misbehavior or assertion failures in subsequent queries on the partitioned table.
", "text": "Ensure that partitioned indexes are correctly marked as valid or not at creation (Michael Paquier) § If a new partitioned index matches an existing but invalid index on one of the partitions, the partitioned index could end up being marked valid prematurely. This could lead to misbehavior or assertion failures in subsequent queries on the partitioned table.", "title": "Ensure that partitioned indexes are correctly marked as valid or not at creation", "commits": ["dbe0e5c56"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.16/#id-1.11.6.12.5", "source_hash": "9f33566904f304abebcd0ed4c1f044eda5a98ec2e626dd5396cc1c47ea234916", "section_path": ["Changes"], "commit_groups": [["537b70b82", "663b35f2d", "c75c33de5", "cb4ac3e56", "cfc43aeb3", "dbe0e5c56", "f4691e2e7"]], "identity_text": "Ensure that partitioned indexes are correctly marked as valid or not at creation (Michael Paquier) If a new partitioned index matches an existing but invalid index on one of the partitions, the partitioned index could end up being marked valid prematurely. This could lead to misbehavior or assertion failures in subsequent queries on the partitioned table.", "commit_aliases": ["537b70b82", "663b35f2d", "c75c33de5", "cb4ac3e56", "cfc43aeb3", "dbe0e5c56", "f4691e2e7"], "source_commits": ["dbe0e5c56"], "source_entry_id": "12.16/changes/004", "db_id": "b516a54d78d9a8327ab9f743eee9c4ce", "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5", "relations": [{"rule": 2, "type": "equivalent", "target": "1f01376cbd13df07e7393a69cb30a5e1", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}}, {"rule": 2, "type": "equivalent", "target": "2f1cce71fd84f222666907eaacdbb824", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}}, {"rule": 2, "type": "equivalent", "target": "72f9ee8a450e0fdabc5e0a6068bcd637", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}}, {"rule": 2, "type": "equivalent", "target": "a6cb1831d983730abc579974f5ffd62e", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}}], "version": "12.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "2f1cce71fd84f222666907eaacdbb824", "kind": "equivalent", "version": "15.4", "label": "15.4", "title": "Ensure that partitioned indexes are correctly marked as valid or not at creation", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}, "url": "/docs/compare/?release=15.4#15.4-e17ec11ac9f95ac0", "source_url": "/docs/release/15.4/#id-1.11.6.21.5"}, {"db_id": "72f9ee8a450e0fdabc5e0a6068bcd637", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Ensure that partitioned indexes are correctly marked as valid or not at creation", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}, "url": "/docs/compare/?release=14.9#14.9-23391a495c14e78b", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "1f01376cbd13df07e7393a69cb30a5e1", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Ensure that partitioned indexes are correctly marked as valid or not at creation", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}, "url": "/docs/compare/?release=13.12#13.12-c4b4f1d4dd9ef0db", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "a6cb1831d983730abc579974f5ffd62e", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Ensure that partitioned indexes are correctly marked as valid or not at creation", "evidence": {"same_day": true, "patch_ids": ["405c2d4e234b31dfd4a7fc2992f60ed5"], "statement_hash": "9e2b4dbad7d2d414bced58ea1c65258c434cb6df96396fc0dc070e473c8fdfc5"}, "url": "/docs/compare/?release=11.21#11.21-74edb6615e4c7df6", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "12.16-d49485ee25fe1c37", "cves": [], "html": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION (Michael Paquier) §
Such an index will now be ignored, and a new child index created instead.
", "text": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION (Michael Paquier) § Such an index will now be ignored, and a new child index created instead.", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "commits": ["63b292e73"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.16/#id-1.11.6.12.5", "source_hash": "ad48ac9d827cf726c22a162227802eeb8e5e87c33f3cd4e1b5f313da1b6eab83", "section_path": ["Changes"], "commit_groups": [["6160e221d", "63b292e73", "7aa17b498", "e90e9275f", "f42844069", "fc55c7ff8"]], "identity_text": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION (Michael Paquier) Such an index will now be ignored, and a new child index created instead.", "commit_aliases": ["6160e221d", "63b292e73", "7aa17b498", "e90e9275f", "f42844069", "fc55c7ff8"], "source_commits": ["63b292e73"], "source_entry_id": "12.16/changes/005", "db_id": "b6be61b317cd1c448068d218b2e2f3cf", "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034", "relations": [{"rule": 2, "type": "equivalent", "target": "19451ab9ffe34b7e1c649628113d80c9", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}, {"rule": 2, "type": "equivalent", "target": "5303d949e3f9f743f72e15618d9ffb24", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}, {"rule": 2, "type": "equivalent", "target": "7db3a9e4fe3552005d5e3c4b3e85cc1e", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}, {"rule": 2, "type": "equivalent", "target": "f5b368ba16a4295aae7c91549f6528dc", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}}], "version": "12.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7db3a9e4fe3552005d5e3c4b3e85cc1e", "kind": "equivalent", "version": "15.4", "label": "15.4", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=15.4#15.4-1711c42d22b89f72", "source_url": "/docs/release/15.4/#id-1.11.6.21.5"}, {"db_id": "19451ab9ffe34b7e1c649628113d80c9", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=14.9#14.9-2c2ad08c6863448a", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "5303d949e3f9f743f72e15618d9ffb24", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=13.12#13.12-91adcf03c9da47e9", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "f5b368ba16a4295aae7c91549f6528dc", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Ignore invalid child indexes when matching partitioned indexes to child indexes during ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["5b5839b1d237da8a07382b2aad037025"], "statement_hash": "7e35e6978bcc5ff4df37fdb281dff58beebefdaa3550ecf671c4829f881c6034"}, "url": "/docs/compare/?release=11.21#11.21-ed8d2265f6fd20b6", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "12.16-1c1cef03e6a0caa5", "cves": [], "html": "Fix possible failure when marking a partitioned index valid after all of its partitions have been attached (Michael Paquier) §
\nThe update of the index's pg_index entry could use stale data for other columns. One reported symptom is an “attempted to update invisible tuple” error.
Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema (Michael Paquier, Heikki Linnakangas) §
Erroring out if the extension contains objects in multiple schemas was always intended; but the check was mis-coded so that it would fail to detect some cases, leading to surprising behavior.
", "text": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema (Michael Paquier, Heikki Linnakangas) § Erroring out if the extension contains objects in multiple schemas was always intended; but the check was mis-coded so that it would fail to detect some cases, leading to surprising behavior.", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "commits": ["02021f1b2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.16/#id-1.11.6.12.5", "source_hash": "5746b0b229352374ed7928459140fb98e3e678ca16885c781ba168a11bfe08da", "section_path": ["Changes"], "commit_groups": [["02021f1b2", "235e716bc", "55c95f24c", "914e72e6e", "bd5ddbe86", "d1e0f408c", "f5b075adc"]], "identity_text": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema (Michael Paquier, Heikki Linnakangas) Erroring out if the extension contains objects in multiple schemas was always intended; but the check was mis-coded so that it would fail to detect some cases, leading to surprising behavior.", "commit_aliases": ["02021f1b2", "235e716bc", "55c95f24c", "914e72e6e", "bd5ddbe86", "d1e0f408c", "f5b075adc"], "source_commits": ["02021f1b2"], "source_entry_id": "12.16/changes/007", "db_id": "f5a835497f9cfa508c293c67a80f1816", "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389", "relations": [{"rule": 2, "type": "equivalent", "target": "de8bad652152a2517920f970a3e432ff", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}, {"rule": 2, "type": "equivalent", "target": "e0dceed4a03e1ebf0bc0e405f121201f", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}, {"rule": 2, "type": "equivalent", "target": "e172161639ea39f4315e46286124faea", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}, {"rule": 2, "type": "equivalent", "target": "ee572e2e78f4e94453e5a2c0d05c2787", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}}], "version": "12.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ee572e2e78f4e94453e5a2c0d05c2787", "kind": "equivalent", "version": "15.4", "label": "15.4", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=15.4#15.4-54bad1819c5bb381", "source_url": "/docs/release/15.4/#id-1.11.6.21.5"}, {"db_id": "e0dceed4a03e1ebf0bc0e405f121201f", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=14.9#14.9-fe4dce7bdf393bae", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "e172161639ea39f4315e46286124faea", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=13.12#13.12-29d076668929da6a", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "de8bad652152a2517920f970a3e432ff", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Fix ALTER EXTENSION SET SCHEMA to complain if the extension contains any objects outside the extension's schema", "evidence": {"same_day": true, "patch_ids": ["255d1f262a67d01dfc640fced2f0037d"], "statement_hash": "dbd71d5eaf563dab6a26fb79e6a94b5340c9294ffe5c77afd92769eb3bdf1389"}, "url": "/docs/compare/?release=11.21#11.21-f1c55a5d7a05eae6", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "12.16-851daa9592e048c3", "cves": [], "html": "Don't use partial unique indexes for uniqueness proofs in the planner (David Rowley) §
\nThis could give rise to incorrect plans, since the presumed uniqueness of rows read from a table might not hold if the index in question isn't used to scan the table.
", "text": "Don't use partial unique indexes for uniqueness proofs in the planner (David Rowley) § This could give rise to incorrect plans, since the presumed uniqueness of rows read from a table might not hold if the index in question isn't used to scan the table.", "title": "Don't use partial unique indexes for uniqueness proofs in the planner", "commits": ["dcef5b052"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.16/#id-1.11.6.12.5", "source_hash": "e7ffe4a738b332ac7be561e7790b46676bd7b6aba3fa495bad5ecc027db78adc", "section_path": ["Changes"], "commit_groups": [["06286f8a2", "73f1c17fc", "7fcd7ef2a", "8f2ec8cc7", "dcef5b052", "f6345f03f"]], "identity_text": "Don't use partial unique indexes for uniqueness proofs in the planner (David Rowley) This could give rise to incorrect plans, since the presumed uniqueness of rows read from a table might not hold if the index in question isn't used to scan the table.", "commit_aliases": ["06286f8a2", "73f1c17fc", "7fcd7ef2a", "8f2ec8cc7", "dcef5b052", "f6345f03f"], "source_commits": ["dcef5b052"], "source_entry_id": "12.16/changes/008", "db_id": "349d7f9017aaf8b9256d64ef6816ab78", "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1", "relations": [{"rule": 2, "type": "equivalent", "target": "366547fc23d4fc6b1e42aa62a1328f90", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}}, {"rule": 2, "type": "equivalent", "target": "98cf114994cd59d18c8227e4df5bfac1", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}}, {"rule": 2, "type": "equivalent", "target": "cc2306529c3a6971c1b90c20685a73c2", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}}, {"rule": 2, "type": "equivalent", "target": "dae596a0e523920e98e3aa3f6f64e748", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}}], "version": "12.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "dae596a0e523920e98e3aa3f6f64e748", "kind": "equivalent", "version": "15.4", "label": "15.4", "title": "Don't use partial unique indexes for uniqueness proofs in the planner", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}, "url": "/docs/compare/?release=15.4#15.4-23bb86304490eb79", "source_url": "/docs/release/15.4/#id-1.11.6.21.5"}, {"db_id": "cc2306529c3a6971c1b90c20685a73c2", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Don't use partial unique indexes for uniqueness proofs in the planner", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}, "url": "/docs/compare/?release=14.9#14.9-3b1afded1691c1bd", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "98cf114994cd59d18c8227e4df5bfac1", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Don't use partial unique indexes for uniqueness proofs in the planner", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}, "url": "/docs/compare/?release=13.12#13.12-5438b35bbfdcd1c0", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "366547fc23d4fc6b1e42aa62a1328f90", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Don't use partial unique indexes for uniqueness proofs in the planner", "evidence": {"same_day": true, "patch_ids": ["5afba1ce4cc69cc7e323fb1344fef312"], "statement_hash": "9ad02600c88cc5bc08a077a3c14df97ff15c1de9cf28c99c027dfdd631004db1"}, "url": "/docs/compare/?release=11.21#11.21-1a7026fe4ee069e5", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "12.16-adfbcb77b96d8335", "cves": [], "html": "Avoid producing incorrect plans for foreign joins with pseudoconstant join clauses (Etsuro Fujita) §
\nThe planner currently lacks support for attaching pseudoconstant join clauses to a pushed-down remote join, so disable generation of remote joins in such cases. (A better solution will require ABI-breaking changes of planner data structures, so it will have to wait for a future major release.)
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Conflicts could be missed when using bitmap heap scans, when using GIN indexes, and when examining an initially-empty btree index. All these cases could lead to serializability failures due to improperly allowing conflicting transactions to commit.
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\nIf JIT is in use, running out of memory in a C++ new call would lead to a PostgreSQL FATAL error, instead of the expected C++ exception.
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\nEnsure that the segment is moved into the appropriate “bin” for its new amount of free space, so that it will be found by subsequent searches.
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Ensure that WrapLimitsVacuumLock is released after VACUUM detects invalid data in pg_database.datfrozenxid or pg_database.datminmxid (Andres Freund) §
Failure to release this lock could lead to a deadlock later, although the lock would be cleaned up if the session exits or encounters some other error.
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\nAfter a crash partway through a checkpoint with some two-phase transaction state data already flushed to disk by this checkpoint, crash recovery could attempt to replay the prepared transaction(s) twice, leading to a fatal error such as “lock is already held” in the startup process.
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Without this, if there is an operating system crash causing the empty file to disappear, subsequent operations on the table might fail with “could not open file” errors.
", "text": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint (Heikki Linnakangas) § Without this, if there is an operating system crash causing the empty file to disappear, subsequent operations on the table might fail with “could not open file” errors.", "title": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint", "commits": ["1b4f1c6f8"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.16/#id-1.11.6.12.5", "source_hash": "96a1946bb0c5b32d044bbe44c80760f642326d0e2d15c9b1f4868179e4004a95", "section_path": ["Changes"], "commit_groups": [["1b4f1c6f8", "4b4798e13", "6377f705c", "acc8cdff4", "d431644b4", "d85bf0719", "e24c02e4d"]], "identity_text": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint (Heikki Linnakangas) Without this, if there is an operating system crash causing the empty file to disappear, subsequent operations on the table might fail with could not open file errors.", "commit_aliases": ["1b4f1c6f8", "4b4798e13", "6377f705c", "acc8cdff4", "d431644b4", "d85bf0719", "e24c02e4d"], "source_commits": ["1b4f1c6f8"], "source_entry_id": "12.16/changes/022", "db_id": "c151b4e1d63b94f408b7d1bb9ffea7eb", "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82", "relations": [{"rule": 2, "type": "equivalent", "target": "1f24d024d1cc473b2b88022f067a97fe", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}}, {"rule": 2, "type": "equivalent", "target": "55d592fd4725d51ec5b28a0ff2347039", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}}, {"rule": 2, "type": "equivalent", "target": "5a60a576107e98788cfc7b1335fbb197", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}}, {"rule": 2, "type": "equivalent", "target": "dca66afe674adc9dbbeb5b1b7a00fd1a", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}}], "version": "12.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1f24d024d1cc473b2b88022f067a97fe", "kind": "equivalent", "version": "15.4", "label": "15.4", "title": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}, "url": "/docs/compare/?release=15.4#15.4-fca13900b4806e1f", "source_url": "/docs/release/15.4/#id-1.11.6.21.5"}, {"db_id": "dca66afe674adc9dbbeb5b1b7a00fd1a", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}, "url": "/docs/compare/?release=14.9#14.9-467735f6fd2e0b6a", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "5a60a576107e98788cfc7b1335fbb197", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}, "url": "/docs/compare/?release=13.12#13.12-6b802c88945c201c", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "55d592fd4725d51ec5b28a0ff2347039", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Ensure that a newly created, but still empty table is fsync'ed at the next checkpoint", "evidence": {"same_day": true, "patch_ids": ["049dbff6a2f0b385b517bcd7f437e841"], "statement_hash": "409e8a3ed9e99529bd95c83d017e6409283d734d80888c2300621d3f46190a82"}, "url": "/docs/compare/?release=11.21#11.21-523c4a4325d22e13", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "12.16-0a6d750c36e5e2d5", "cves": [], "html": "Ensure that creation of the init fork of an unlogged index is WAL-logged (Heikki Linnakangas) §
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", "text": "Ensure that creation of the init fork of an unlogged index is WAL-logged (Heikki Linnakangas) § While an unlogged index's main data fork is not WAL-logged, its init fork should be, to ensure that we have a consistent state to restore the index to after a crash. This step was missed if the init fork contains no data, which is a case not used by any standard index AM; but perhaps some extension behaves that way.", "title": "Ensure that creation of the init fork of an unlogged index is WAL-logged", "commits": ["80abec387"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.16/#id-1.11.6.12.5", "source_hash": "909a59475b861136eef0efb93bc7009b099d57cb635cd347149c5e41b7996abe", "section_path": ["Changes"], "commit_groups": [["25624c5d3", "3142a8845", "32f327f68", "80abec387", "988719b88", "bf7b70e6b", "c50b869ed"]], "identity_text": "Ensure that creation of the init fork of an unlogged index is WAL-logged (Heikki Linnakangas) While an unlogged index's main data fork is not WAL-logged, its init fork should be, to ensure that we have a consistent state to restore the index to after a crash. This step was missed if the init fork contains no data, which is a case not used by any standard index AM; but perhaps some extension behaves that way.", "commit_aliases": ["25624c5d3", "3142a8845", "32f327f68", "80abec387", "988719b88", "bf7b70e6b", "c50b869ed"], "source_commits": ["80abec387"], "source_entry_id": "12.16/changes/023", "db_id": "8d016bdc03fd9080c3d091b869de5a48", "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c", "relations": [{"rule": 2, "type": "equivalent", "target": "1a6f5bdececb46ec6b0cf4157dcbcaa5", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}}, {"rule": 2, "type": "equivalent", "target": "6229c2037e3574a942ab71441502ffc2", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}}, {"rule": 2, "type": "equivalent", "target": "d00152ea427a7e39ed1a638687d4812c", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}}, {"rule": 2, "type": "equivalent", "target": "f8c6097b6641e980e7ef9b9b1dcb2e3e", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}}], "version": "12.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1a6f5bdececb46ec6b0cf4157dcbcaa5", "kind": "equivalent", "version": "15.4", "label": "15.4", "title": "Ensure that creation of the init fork of an unlogged index is WAL-logged", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}, "url": "/docs/compare/?release=15.4#15.4-53cd2b1f69e1e446", "source_url": "/docs/release/15.4/#id-1.11.6.21.5"}, {"db_id": "6229c2037e3574a942ab71441502ffc2", "kind": "equivalent", "version": "14.9", "label": "14.9", "title": "Ensure that creation of the init fork of an unlogged index is WAL-logged", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}, "url": "/docs/compare/?release=14.9#14.9-c6d8832fcb5e9cbe", "source_url": "/docs/release/14.9/#id-1.11.6.21.5"}, {"db_id": "f8c6097b6641e980e7ef9b9b1dcb2e3e", "kind": "equivalent", "version": "13.12", "label": "13.12", "title": "Ensure that creation of the init fork of an unlogged index is WAL-logged", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}, "url": "/docs/compare/?release=13.12#13.12-027cb2be867289ac", "source_url": "/docs/release/13.12/#id-1.11.6.17.5"}, {"db_id": "d00152ea427a7e39ed1a638687d4812c", "kind": "equivalent", "version": "11.21", "label": "11.21", "title": "Ensure that creation of the init fork of an unlogged index is WAL-logged", "evidence": {"same_day": true, "patch_ids": ["b78093f0d064b321d5d6e08d7eba300f"], "statement_hash": "b28db5f39895a21a6b9a6ff2b1c31193f9326499fcc24fe6e56b63b22f21804c"}, "url": "/docs/compare/?release=11.21#11.21-62f8c79f3c4a9076", "source_url": "/docs/release/11.21/#id-1.11.6.6.6"}]}, {"id": "12.16-3324b81134dd8ea0", "cves": [], "html": "Fix missing reinitializations of delay-checkpoint-end flags (suyu.cmj) §
\nThis could result in unnecessary delays of checkpoints, or in assertion failures in assert-enabled builds.
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This assertion failed if a query applied the .type() operator to a like_regex result. There was no bug in non-assert builds.
Avoid assertion failure when processing an empty statement via the extended query protocol in an already-aborted transaction (Tom Lane) §
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An input string containing no alphabetic characters resulted in unpredictable output.
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\nHowever, if you are upgrading from a version earlier than 12.10, see Section E.13.
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Within a CREATE SCHEMA command, objects in the prevailing search_path, as well as those in the newly-created schema, would be visible even within a called function or script that attempted to set a secure search_path. This could allow any user having permission to create a schema to hijack the privileges of a security definer function or extension script.
The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2023-2454)
", "text": "Prevent CREATE SCHEMA from defeating changes in search_path (Alexander Lakhin) § § Within a CREATE SCHEMA command, objects in the prevailing search_path, as well as those in the newly-created schema, would be visible even within a called function or script that attempted to set a secure search_path. This could allow any user having permission to create a schema to hijack the privileges of a security definer function or extension script. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2023-2454)", "title": "Prevent CREATE SCHEMA from defeating changes in search_path", "commits": ["2cd843cc9", "78119a0bf"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "20d7f8263c5fac94b9577df5173b7263205fd94febf1e2074faa28a3ef483776", "section_path": ["Changes"], "commit_groups": [["01e8182c7", "2212f7db8", "23cb8eaeb", "681d9e462", "78119a0bf", "dbd5795e7"], ["1913f63dc", "1b761d896", "2cd843cc9", "766e06140", "8d525d7b9", "feb9e7fbb"]], "identity_text": "Prevent CREATE SCHEMA from defeating changes in search_path (Alexander Lakhin) Within a CREATE SCHEMA command, objects in the prevailing search_path, as well as those in the newly-created schema, would be visible even within a called function or script that attempted to set a secure search_path. This could allow any user having permission to create a schema to hijack the privileges of a security definer function or extension script. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. 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\nIf a set-returning SQL-language function refers to a table having row-level security policies, and it can be inlined into a calling query, those RLS policies would not get enforced properly in some cases involving re-using a cached plan under a different role. This could allow a user to see or modify rows that should have been invisible.
\nThe PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2023-2455)
", "text": "Enforce row-level security policies correctly after inlining a set-returning function (Stephen Frost, Tom Lane) § If a set-returning SQL-language function refers to a table having row-level security policies, and it can be inlined into a calling query, those RLS policies would not get enforced properly in some cases involving re-using a cached plan under a different role. This could allow a user to see or modify rows that should have been invisible. The PostgreSQL Project thanks Wolfgang Walther for reporting this problem. 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The SQL standard allows writing CREATE SCHEMA AUTHORIZATION , with the schema name defaulting to owner_nameowner_name. However some code paths expected the schema name to be present and would fail.
Disallow altering composite types that are stored in indexes (Tom Lane) §
\nALTER TYPE disallows non-binary-compatible modifications of composite types if they are stored in any table columns. (Perhaps that will be allowed someday, but it hasn't happened yet; the locking implications of rewriting many tables are daunting.) We overlooked the possibility that an index might contain a composite type that doesn't also appear in its table.
Disallow system columns as elements of foreign keys (Tom Lane) §
\nSince the removal of OID as a system column, there is no plausible use-case for this, and various bits of code no longer support it. Disallow it rather than trying to fix all the cases.
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The documentation is quite clear that COPY TO copies rows from only the named table, not any inheritance children it may have. However, if row-level security was enabled on the table then this stopped being true.
Avoid possible crash when array_position() or array_positions() is passed an empty array (Tom Lane) §
Fix possible out-of-bounds fetch in to_char() (Tom Lane) §
With bad luck this could have resulted in a server crash.
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When using the deletion feature, the function might fetch the byte just after the input string, creating a small risk of crash.
", "text": "Avoid buffer overread in translate() function (Daniil Anisimov) § When using the deletion feature, the function might fetch the byte just after the input string, creating a small risk of crash.", "title": "Avoid buffer overread in translate() function", "commits": ["b162660d3"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "0a5b2b4c28c791bfd32e648130b6dc662c774f54d9dc5c1a2eae58464cb1646e", "section_path": ["Changes"], "commit_groups": [["1a9356f65", "3b37e8442", "b162660d3", "b1a9d8ef2", "d7056bc1c", "eae09137d"]], "identity_text": "Avoid buffer overread in translate() function (Daniil Anisimov) When using the deletion feature, the function might fetch the byte just after the input string, creating a small risk of crash.", "commit_aliases": ["1a9356f65", "3b37e8442", "b162660d3", "b1a9d8ef2", "d7056bc1c", "eae09137d"], "source_commits": ["b162660d3"], "source_entry_id": "12.15/changes/009", "db_id": "96e4ac2e25f7ba95aa4affe03528f2a6", "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7", "relations": [{"rule": 2, "type": "equivalent", "target": "17f660047a1a09494be5fc3da930508b", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}, {"rule": 2, "type": "equivalent", "target": "2765df33c378089f5b28ee5fce002ddb", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}, {"rule": 2, "type": "equivalent", "target": "38d375e0426a748c5f71658e410e489f", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}, {"rule": 2, "type": "equivalent", "target": "cbd5a0460f97cc6201f037c9435f7600", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}}], "version": "12.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "2765df33c378089f5b28ee5fce002ddb", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=15.3#15.3-082c0c1843541fb5", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "cbd5a0460f97cc6201f037c9435f7600", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=14.8#14.8-72731c80332d3b00", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "17f660047a1a09494be5fc3da930508b", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=13.11#13.11-a561dbb220cd5c3a", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "38d375e0426a748c5f71658e410e489f", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Avoid buffer overread in translate() function", "evidence": {"same_day": true, "patch_ids": ["deb5c0456d728fddb238e37ce17fd180"], "statement_hash": "5042a154d65850f7697380651a938309e5decb7bcb057cc91bc56689825f84e7"}, "url": "/docs/compare/?release=11.20#11.20-88fa0c67eedf159d", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-f036166bdbd3cf03", "cves": [], "html": "Fix error cursor setting for parse errors in JSON string literals (Tom Lane) §
\nMost cases in which a syntax error is detected in a string literal within a JSON value failed to set the error cursor appropriately. This led at least to an unhelpful error message (pointing to the token before the string, rather than the actual trouble spot), and could even result in a crash in v14 and later.
", "text": "Fix error cursor setting for parse errors in JSON string literals (Tom Lane) § Most cases in which a syntax error is detected in a string literal within a JSON value failed to set the error cursor appropriately. This led at least to an unhelpful error message (pointing to the token before the string, rather than the actual trouble spot), and could even result in a crash in v14 and later.", "title": "Fix error cursor setting for parse errors in JSON string literals", "commits": ["c25a929a6"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "3230e5a0d6312b31c160787e448af8df8cb8518552af033d4cadbd8136c0d23d", "section_path": ["Changes"], "commit_groups": [["0ee9d685d", "234941a3b", "25a7812cd", "52e9a7816", "74a1a36d7", "c25a929a6"]], "identity_text": "Fix error cursor setting for parse errors in JSON string literals (Tom Lane) Most cases in which a syntax error is detected in a string literal within a JSON value failed to set the error cursor appropriately. This led at least to an unhelpful error message (pointing to the token before the string, rather than the actual trouble spot), and could even result in a crash in v14 and later.", "commit_aliases": ["0ee9d685d", "234941a3b", "25a7812cd", "52e9a7816", "74a1a36d7", "c25a929a6"], "source_commits": ["c25a929a6"], "source_entry_id": "12.15/changes/010", "db_id": "2175f0c6ed74b7a1a10f561f87bb703f", "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d", "relations": [{"rule": 2, "type": "equivalent", "target": "011f7040c014189a42164f343d31b3f8", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}, {"rule": 2, "type": "equivalent", "target": "93224a9aa64813edfe967e815740f49b", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}, {"rule": 2, "type": "equivalent", "target": "c06a74fd4edfe6b239665114b4479916", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}, {"rule": 2, "type": "equivalent", "target": "ec18aa6893185a53716843926df09a2b", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}}], "version": "12.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c06a74fd4edfe6b239665114b4479916", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=15.3#15.3-de4d189c7a073f93", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "ec18aa6893185a53716843926df09a2b", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=14.8#14.8-bca48db8726a99c0", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "011f7040c014189a42164f343d31b3f8", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=13.11#13.11-b8d4de91aa0b6768", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "93224a9aa64813edfe967e815740f49b", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix error cursor setting for parse errors in JSON string literals", "evidence": {"same_day": true, "patch_ids": ["3f2a73e9dc7dea963f44fcd6bf094317"], "statement_hash": "759d274dea4e87558dfd892bf07be6fba3b2a5cc22f07e6e541a6b439a516b9d"}, "url": "/docs/compare/?release=11.20#11.20-1adc8e0b7be0e401", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-96172e8ada871f19", "cves": [], "html": "Fix data corruption due to vacuum_defer_cleanup_age being larger than the current 64-bit xid (Andres Freund) §
In v14 and later with non-default settings of vacuum_defer_cleanup_age, it was possible to compute a very large vacuum cleanup horizon xid, leading to vacuum removing rows that are still live. v12 and v13 have a lesser form of the same problem affecting only GiST indexes, which could lead to index pages getting recycled too early.
Fix parser's failure to detect some cases of improperly-nested aggregates (Tom Lane) §
\nThis oversight could lead to executor failures for queries that should have been rejected as invalid.
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This can lead to trouble if an event trigger captures the corrupted parse tree.
", "text": "Fix data structure corruption during parsing of serial SEQUENCE NAME options (David Rowley) § This can lead to trouble if an event trigger captures the corrupted parse tree.", "title": "Fix data structure corruption during parsing of serial SEQUENCE NAME options", "commits": ["33510bc64"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "760a4092e978924f92fc753b1735cd83ffb7b1dff89519d0d4228f9b919e62a7", "section_path": ["Changes"], "commit_groups": [["07554c99d", "211016220", "33510bc64", "6c3b697b1", "8d684c445", "df567fbf6"]], "identity_text": "Fix data structure corruption during parsing of serial SEQUENCE NAME options (David Rowley) This can lead to trouble if an event trigger captures the corrupted parse tree.", "commit_aliases": ["07554c99d", "211016220", "33510bc64", "6c3b697b1", "8d684c445", "df567fbf6"], "source_commits": ["33510bc64"], "source_entry_id": "12.15/changes/013", "db_id": "089a89b2fe390283655ab9db44f908d1", "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688", "relations": [{"rule": 2, "type": "equivalent", "target": "239cb2b80a009ce791eaccbc53335e69", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}}, {"rule": 2, "type": "equivalent", "target": "6e011e7f447811f62a240a5927735ef5", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}}, {"rule": 2, "type": "equivalent", "target": "d48924d31fc38bc6deb76edcc5982ce2", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}}, {"rule": 2, "type": "equivalent", "target": "d5de8c99c811408c416a392b8b155680", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}}], "version": "12.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "6e011e7f447811f62a240a5927735ef5", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Fix data structure corruption during parsing of serial SEQUENCE NAME options", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}, "url": "/docs/compare/?release=15.3#15.3-a77638db60d565bb", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "d48924d31fc38bc6deb76edcc5982ce2", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix data structure corruption during parsing of serial SEQUENCE NAME options", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}, "url": "/docs/compare/?release=14.8#14.8-e336f640f84c70ef", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "d5de8c99c811408c416a392b8b155680", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix data structure corruption during parsing of serial SEQUENCE NAME options", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}, "url": "/docs/compare/?release=13.11#13.11-5747c907ccf1b36b", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "239cb2b80a009ce791eaccbc53335e69", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix data structure corruption during parsing of serial SEQUENCE NAME options", "evidence": {"same_day": true, "patch_ids": ["20577bb544a78999e26c794c19aa22ee"], "statement_hash": "4da82752739994322857b57352eba94ec3179c3c5a8a7c35eda08c77e54b0688"}, "url": "/docs/compare/?release=11.20#11.20-4326d54412995405", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-2a9d6e920f773d19", "cves": [], "html": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another (Tom Lane) §
\nThis planner oversight could lead to “subplan was not initialized” errors at runtime.
", "text": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another (Tom Lane) § This planner oversight could lead to “subplan was not initialized” errors at runtime.", "title": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another", "commits": ["953ff99c2"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "dfd9e384a01ffb8cfbdfa21c1db1dc3e82a2d9b40acc7771c39047bd05395be9", "section_path": ["Changes"], "commit_groups": [["0dd55ef9b", "60c8aeaf6", "88ceac5d7", "953ff99c2", "96c698e3f", "f4badbcf4"]], "identity_text": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another (Tom Lane) This planner oversight could lead to subplan was not initialized errors at runtime.", "commit_aliases": ["0dd55ef9b", "60c8aeaf6", "88ceac5d7", "953ff99c2", "96c698e3f", "f4badbcf4"], "source_commits": ["953ff99c2"], "source_entry_id": "12.15/changes/014", "db_id": "849f96b596b858da1e946fe0da532fcd", "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680", "relations": [{"rule": 2, "type": "equivalent", "target": "7fb3732885b8881b4fa8d8a7f2bcdd87", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}}, {"rule": 2, "type": "equivalent", "target": "a7e9d9a1c47e43432d348c24d75f082d", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}}, {"rule": 2, "type": "equivalent", "target": "d02b415218230b7698383e11674196ef", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}}, {"rule": 2, "type": "equivalent", "target": "ffaf89064b0f0871ae314fa8e0ed2e36", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}}], "version": "12.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ffaf89064b0f0871ae314fa8e0ed2e36", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}, "url": "/docs/compare/?release=15.3#15.3-e5d2b98510c80c3a", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "a7e9d9a1c47e43432d348c24d75f082d", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}, "url": "/docs/compare/?release=14.8#14.8-19a5ad6343a5a707", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "d02b415218230b7698383e11674196ef", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}, "url": "/docs/compare/?release=13.11#13.11-e3cf8629692290b9", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "7fb3732885b8881b4fa8d8a7f2bcdd87", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Correctly update plan nodes' parallel-safety markings when moving initplans from one node to another", "evidence": {"same_day": true, "patch_ids": ["727e0090a5adf7c806e2df6d4a1eeb8a"], "statement_hash": "e984bb1d244554025881cdd30fa86bd1ed09185d7ad5c06efe4ea361189b0680"}, "url": "/docs/compare/?release=11.20#11.20-ae9d6617ba8e8076", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-900b70983fa1cd80", "cves": [], "html": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs (David Rowley) §
\nThis optimization requires that the aggregate's argument expressions have repeatable results, which might not hold for a sub-SELECT.
", "text": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs (David Rowley) § This optimization requires that the aggregate's argument expressions have repeatable results, which might not hold for a sub-SELECT.", "title": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs", "commits": ["ac55abd33"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "55ca4c3ac29b8da7206d4b2c239005d46834a79ef93a89857e1939f89444fb0f", "section_path": ["Changes"], "commit_groups": [["301eb3ee4", "4aa43ba21", "836c31ba5", "8d2a8581b", "a9fa6d79a", "ac55abd33"]], "identity_text": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs (David Rowley) This optimization requires that the aggregate's argument expressions have repeatable results, which might not hold for a sub-SELECT.", "commit_aliases": ["301eb3ee4", "4aa43ba21", "836c31ba5", "8d2a8581b", "a9fa6d79a", "ac55abd33"], "source_commits": ["ac55abd33"], "source_entry_id": "12.15/changes/015", "db_id": "e62b695b11f9e24e1ea0c66c4a7ae8e7", "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a", "relations": [{"rule": 2, "type": "equivalent", "target": "1d8f4e5f70533c5e027042359d52b485", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}}, {"rule": 2, "type": "equivalent", "target": "9deb05bc7f9d716eca3029fd98a60756", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}}, {"rule": 2, "type": "equivalent", "target": "a5558058a3e10f9e68af8764a041cccc", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}}, {"rule": 2, "type": "equivalent", "target": "cb82550afe913d90eb17db3b8586927c", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}}], "version": "12.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "cb82550afe913d90eb17db3b8586927c", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}, "url": "/docs/compare/?release=15.3#15.3-1f4abf954dec8ba9", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "a5558058a3e10f9e68af8764a041cccc", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}, "url": "/docs/compare/?release=14.8#14.8-083b42b9618c7d0e", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "1d8f4e5f70533c5e027042359d52b485", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}, "url": "/docs/compare/?release=13.11#13.11-c6bfd57aa9016f23", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "9deb05bc7f9d716eca3029fd98a60756", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Disable the inverse-transition optimization for window aggregates when the call contains sub-SELECTs", "evidence": {"same_day": true, "patch_ids": ["cccfbcedb74d9ef5a5b8771bd7bcaec4"], "statement_hash": "f33c0e107621ba1344a8ab0b4fe36dd18f77cc3021f2241a682e748c4bab5b7a"}, "url": "/docs/compare/?release=11.20#11.20-2c73fe8807aac9d6", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-09c2359bd6f7f78e", "cves": [], "html": "Fix oversights in execution of nested ARRAY[] constructs (Alexander Lakhin, Tom Lane) §
Correctly detect overflow of the total space needed for the result array, avoiding a possible crash due to undersized output allocation. Also ensure that any trailing padding space in the result array is zeroed; while leaving garbage there is harmless for most purposes, it can result in odd behavior later.
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\nPruning with a condition like boolcol IS NOT TRUE was done incorrectly, leading to possibly not returning rows in which boolcol is NULL. Also, the rather unlikely case of partitioning on NOT boolcol was handled incorrectly.
Fix race condition in per-batch cleanup during parallel hash join (Thomas Munro, Melanie Plageman) §
\nA crash was possible given unlucky timing and parallel_leader_participation = off (which is not the default).
Recalculate GENERATED columns after an EvalPlanQual check (Tom Lane) §
In READ COMMITTED isolation mode, the effects of a row update might need to get reapplied to a newer version of the row than the query found originally. If so, we need to recompute any GENERATED columns, in case they depend on columns that were changed by the concurrent update.
Don't balance vacuum cost delay when a table has a per-relation vacuum_cost_delay setting of zero (Masahiko Sawada) §
Delay balancing is supposed to be disabled whenever autovacuum is processing a table with a per-relation vacuum_cost_delay setting, but this was done only for positive settings, not zero.
Fix corner-case crashes when columns have been added to the end of a view (Tom Lane) §
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\nUse of the syntax INSERT ... ON CONFLICT DO UPDATE SET (c1, ...) = (SELECT ...) with a partitioned target table could result in failure if any child table is dissimilar from the parent (for example, different physical column order). This typically manifested as failure of consistency checks in the executor; but a crash or incorrect data updates are also possible.
Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule (Dean Rasheed) §
Such cases typically failed with “unrecognized node type” errors or assertion failures.
", "text": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule (Dean Rasheed) § Such cases typically failed with “unrecognized node type” errors or assertion failures.", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "commits": ["98b83b734"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "f948f7736e691b50d53d80f6b398528ad131554e3545c3d956e78d62c33a78d7", "section_path": ["Changes"], "commit_groups": [["226da3d47", "75c737636", "940b54743", "98b83b734", "e68b133c3", "f0423bea7"]], "identity_text": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule (Dean Rasheed) Such cases typically failed with unrecognized node type errors or assertion failures.", "commit_aliases": ["226da3d47", "75c737636", "940b54743", "98b83b734", "e68b133c3", "f0423bea7"], "source_commits": ["98b83b734"], "source_entry_id": "12.15/changes/024", "db_id": "286af72d75446c44360c32392e2481af", "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4", "relations": [{"rule": 2, "type": "equivalent", "target": "0360909758f1050df325466601676161", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}, {"rule": 2, "type": "equivalent", "target": "4a1e70d50815c66ffff6270920784cc2", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}, {"rule": 2, "type": "equivalent", "target": "7a2f6aad0f1c899655ebf10ef36ff88c", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}, {"rule": 2, "type": "equivalent", "target": "fb077e618ddc11ef571eb88941f6dcf9", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}}], "version": "12.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "fb077e618ddc11ef571eb88941f6dcf9", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=15.3#15.3-312fd010d84d4716", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "7a2f6aad0f1c899655ebf10ef36ff88c", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=14.8#14.8-ad8a56bde4268946", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "0360909758f1050df325466601676161", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=13.11#13.11-83846ee239973d01", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "4a1e70d50815c66ffff6270920784cc2", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix handling of DEFAULT markers within a multi-row INSERT ... VALUES query on a view that has a DO ALSO INSERT ... SELECT rule", "evidence": {"same_day": true, "patch_ids": ["e4f097604b69de4e1901dd8c13e71386"], "statement_hash": "4c3875d32738a77321dcfea6549f88bb34ef9d38a3b48d437434a36d053fe1c4"}, "url": "/docs/compare/?release=11.20#11.20-7d5acf01b953f13c", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-0c2abb52e5e65e89", "cves": [], "html": "Support references to OLD and NEW within subqueries in rule actions (Dean Rasheed, Tom Lane) §
Such references are really lateral references, but the server could crash if the subquery wasn't explicitly marked with LATERAL. Arrange to do that implicitly when necessary.
When decompiling a rule or SQL function body containing INSERT/UPDATE/DELETE within WITH, take care to print the correct alias for the target table (Tom Lane) §
Fix glitches in SERIALIZABLE READ ONLY optimization (Thomas Munro) § §
Transactions already marked as “doomed” confused the safe-snapshot optimization for SERIALIZABLE READ ONLY transactions. The optimization was unnecessarily skipped in some cases. In other cases an assertion failure occurred (but there was no problem in non-assert builds).
Avoid leaking cache callback slots in the pgoutput logical decoding plugin (Shi Yu) §
Multiple cycles of starting up and shutting down the plugin within a single session would eventually lead to an “out of relcache_callback_list slots” error.
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\nThis error seems to usually be harmless in production builds, as the fetched value is noncritical; but in principle it could cause a server crash.
", "text": "Fix dereference of dangling pointer during buffering build of a GiST index (Alexander Lakhin) § This error seems to usually be harmless in production builds, as the fetched value is noncritical; but in principle it could cause a server crash.", "title": "Fix dereference of dangling pointer during buffering build of a GiST index", "commits": ["d2a1d4b19"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "c4ac9c366f9110dec5e8633fd44241757ba81d8fbae9e3f8dbbb376c52c96a05", "section_path": ["Changes"], "commit_groups": [["2adb6adad", "2dc77adc7", "8e5eef50c", "a1904c9ce", "b5c6776c1", "d2a1d4b19"]], "identity_text": "Fix dereference of dangling pointer during buffering build of a GiST index (Alexander Lakhin) This error seems to usually be harmless in production builds, as the fetched value is noncritical; but in principle it could cause a server crash.", "commit_aliases": ["2adb6adad", "2dc77adc7", "8e5eef50c", "a1904c9ce", "b5c6776c1", "d2a1d4b19"], "source_commits": ["d2a1d4b19"], "source_entry_id": "12.15/changes/029", "db_id": "95ddab1c9756f7501e7be634124a0b7a", "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd", "relations": [{"rule": 2, "type": "equivalent", "target": "00515e00999afa5301d374d3aba7a4e6", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}}, {"rule": 2, "type": "equivalent", "target": "07609b27e921f3f4e7e25ea3fd1cbe7a", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}}, {"rule": 2, "type": "equivalent", "target": "881b37bc3d35b49cc2a3e6f1a38e1a51", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}}, {"rule": 2, "type": "equivalent", "target": "c924ce7f45f4f00ace0d04c0dfc9b995", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}}], "version": "12.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "881b37bc3d35b49cc2a3e6f1a38e1a51", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Fix dereference of dangling pointer during buffering build of a GiST index", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}, "url": "/docs/compare/?release=15.3#15.3-e5bb441c311ceb8e", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "c924ce7f45f4f00ace0d04c0dfc9b995", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix dereference of dangling pointer during buffering build of a GiST index", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}, "url": "/docs/compare/?release=14.8#14.8-d0fc7bedd359c03a", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "00515e00999afa5301d374d3aba7a4e6", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix dereference of dangling pointer during buffering build of a GiST index", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}, "url": "/docs/compare/?release=13.11#13.11-eff54d94b9550cbd", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "07609b27e921f3f4e7e25ea3fd1cbe7a", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix dereference of dangling pointer during buffering build of a GiST index", "evidence": {"same_day": true, "patch_ids": ["250793eea519ee59e68b3d331296ef85"], "statement_hash": "eb7aef17b1330d1ca2cd4839c95f2c34d97c4ca5ae6a237407e85838dead6cfd"}, "url": "/docs/compare/?release=11.20#11.20-60c6f5236357f45a", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-d4a2033a7d8a115f", "cves": [], "html": "Ignore dropped columns and generated columns during logical replication of an update or delete action (Onder Kalaci, Shi Yu) § §
\nReplication with the REPLICA IDENTITY FULL option failed if the table contained such columns.
Support RSA-PSS certificates with SCRAM-SHA-256 channel binding (Jacob Champion, Heikki Linnakangas) §
\nThis feature requires building with OpenSSL 1.1.1 or newer. Both the server and libpq are affected.
", "text": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding (Jacob Champion, Heikki Linnakangas) § This feature requires building with OpenSSL 1.1.1 or newer. Both the server and libpq are affected.", "title": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding", "commits": ["a40e7b75e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "5c28620855f7b29de798b4d3ea9e2039bfab466a373c51f29f96fcb48264b1f6", "section_path": ["Changes"], "commit_groups": [["2eb8e54cc", "5fd61055e", "864f80fea", "88d606f7c", "9244c11af", "a40e7b75e"]], "identity_text": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding (Jacob Champion, Heikki Linnakangas) This feature requires building with OpenSSL 1.1.1 or newer. Both the server and libpq are affected.", "commit_aliases": ["2eb8e54cc", "5fd61055e", "864f80fea", "88d606f7c", "9244c11af", "a40e7b75e"], "source_commits": ["a40e7b75e"], "source_entry_id": "12.15/changes/031", "db_id": "bcb72efca17b9b4ee75a511a2677741c", "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799", "relations": [{"rule": 2, "type": "equivalent", "target": "25ae38a0354e4efd861018a0558a5ac3", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}}, {"rule": 2, "type": "equivalent", "target": "274fd28c4afae7b51249ee4a2a182f2b", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}}, {"rule": 2, "type": "equivalent", "target": "6515808f7b93d1277d699d08dd44b8a3", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}}, {"rule": 2, "type": "equivalent", "target": "f96883c34f8ace29d25f5834e111ca45", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}}], "version": "12.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "274fd28c4afae7b51249ee4a2a182f2b", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}, "url": "/docs/compare/?release=15.3#15.3-fbdbc4aaeb8bc997", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "6515808f7b93d1277d699d08dd44b8a3", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}, "url": "/docs/compare/?release=14.8#14.8-b2fab1d96a3dd1c8", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "f96883c34f8ace29d25f5834e111ca45", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}, "url": "/docs/compare/?release=13.11#13.11-001e065630fe3631", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "25ae38a0354e4efd861018a0558a5ac3", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Support RSA-PSS certificates with SCRAM-SHA-256 channel binding", "evidence": {"same_day": true, "patch_ids": ["e625d04fba2f9773fd82292dca496176"], "statement_hash": "6e0ea294a72b506c7492c78b696add61a2c1dbfe268a4ec59291ddd16cbc8799"}, "url": "/docs/compare/?release=11.20#11.20-bd8a877a9b1ba67f", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-b7de5cc82401da7a", "cves": [], "html": "Avoid race condition with process ID tracking on Windows (Thomas Munro) § § §
\nThe operating system could recycle a PID before the postmaster observed that that child process was gone. This could lead to tracking more than one child with the same PID, resulting in confusion.
", "text": "Avoid race condition with process ID tracking on Windows (Thomas Munro) § § § The operating system could recycle a PID before the postmaster observed that that child process was gone. 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Fix erroneous Valgrind markings in AllocSetRealloc() (Karina Litskevich) §
In the unusual case where the size of a large (>8kB) palloc chunk is decreased, a Valgrind-aware build would mismark the defined-ness state of the memory released from the chunk, possibly causing incorrect results during Valgrind testing.
", "text": "Fix erroneous Valgrind markings in AllocSetRealloc() (Karina Litskevich) § In the unusual case where the size of a large (>8kB) palloc chunk is decreased, a Valgrind-aware build would mismark the defined-ness state of the memory released from the chunk, possibly causing incorrect results during Valgrind testing.", "title": "Fix erroneous Valgrind markings in AllocSetRealloc()", "commits": ["463bef383"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "1005eed535bec57e91340a85152ff057504be71468b9c684b5fe57d99c41770a", "section_path": ["Changes"], "commit_groups": [["21bd818d0", "463bef383", "99e74cd23", "b3e184a5d", "dc44180f6", "f6a55c1d5"]], "identity_text": "Fix erroneous Valgrind markings in AllocSetRealloc() (Karina Litskevich) In the unusual case where the size of a large (>8kB) palloc chunk is decreased, a Valgrind-aware build would mismark the defined-ness state of the memory released from the chunk, possibly causing incorrect results during Valgrind testing.", "commit_aliases": ["21bd818d0", "463bef383", "99e74cd23", "b3e184a5d", "dc44180f6", "f6a55c1d5"], "source_commits": ["463bef383"], "source_entry_id": "12.15/changes/034", "db_id": "2f33ed2911e1668c83cb6378af127213", "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67", "relations": [{"rule": 2, "type": "equivalent", "target": "6c3250ca649c5365a383d87266b2160b", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}}, {"rule": 2, "type": "equivalent", "target": "86a04d1232e534a3dcaf18c2cab4efbe", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}}, {"rule": 2, "type": "equivalent", "target": "b801549b497440a3eb5a01f48673526b", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}}, {"rule": 2, "type": "equivalent", "target": "c87e0797e562177e33441575c530de58", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}}], "version": "12.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "6c3250ca649c5365a383d87266b2160b", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Fix erroneous Valgrind markings in AllocSetRealloc()", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}, "url": "/docs/compare/?release=15.3#15.3-a4a75b10881514d3", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "86a04d1232e534a3dcaf18c2cab4efbe", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix erroneous Valgrind markings in AllocSetRealloc()", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}, "url": "/docs/compare/?release=14.8#14.8-fde642aed0693bde", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "c87e0797e562177e33441575c530de58", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix erroneous Valgrind markings in AllocSetRealloc()", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}, "url": "/docs/compare/?release=13.11#13.11-3fd1dba5d25cd708", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "b801549b497440a3eb5a01f48673526b", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix erroneous Valgrind markings in AllocSetRealloc()", "evidence": {"same_day": true, "patch_ids": ["f9e487f9a94295b41af49c4abe56b413"], "statement_hash": "17e5eff1e4cad9485f0ba3877a93b00181e211db8b14ae6d52612b62f3b22e67"}, "url": "/docs/compare/?release=11.20#11.20-31cb9e64b446f19b", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-a57786561dc35b2d", "cves": [], "html": "Avoid assertion failure when decoding a transactional logical replication message (Tomas Vondra) §
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\nA backslash followed by a non-ASCII character could sometimes cause an assertion failure, depending on the prevailing locale.
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It is not entirely clear whether this case is reachable in released branches, but if it is then an assertion failure could occur.
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Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays (Tom Lane) §
\nplperl could misbehave when the nesting of sub-lists is inconsistent so that the data does not represent a rectangular array of values. Such cases now produce errors, but previously they could result in a crash or garbage output.
", "text": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays (Tom Lane) § plperl could misbehave when the nesting of sub-lists is inconsistent so that the data does not represent a rectangular array of values. Such cases now produce errors, but previously they could result in a crash or garbage output.", "title": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays", "commits": ["900a8d526"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "2b9e0f7133e513a08ddbd2c43c77e43dfed0b1012d81a28d7923c0874d31366e", "section_path": ["Changes"], "commit_groups": [["1e868bb6c", "900a8d526", "ce9a1a3ea", "ea96fbe77", "ee24b5e79", "f47004add"]], "identity_text": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays (Tom Lane) plperl could misbehave when the nesting of sub-lists is inconsistent so that the data does not represent a rectangular array of values. Such cases now produce errors, but previously they could result in a crash or garbage output.", "commit_aliases": ["1e868bb6c", "900a8d526", "ce9a1a3ea", "ea96fbe77", "ee24b5e79", "f47004add"], "source_commits": ["900a8d526"], "source_entry_id": "12.15/changes/039", "db_id": "746b0b3b13f0d362e6f35bf5b402cdc7", "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98", "relations": [{"rule": 2, "type": "equivalent", "target": "38c76c71eb737e182e04201d28e92596", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}}, {"rule": 2, "type": "equivalent", "target": "60cdd891ff196eb453c0752b2704e756", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}}, {"rule": 2, "type": "equivalent", "target": "d9c9cef75d3c5750167ae60905617177", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}}, {"rule": 2, "type": "equivalent", "target": "fb2d744da3f5304014a988e104b80496", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}}], "version": "12.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "fb2d744da3f5304014a988e104b80496", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}, "url": "/docs/compare/?release=15.3#15.3-3b81e66a7cc458ae", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "d9c9cef75d3c5750167ae60905617177", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}, "url": "/docs/compare/?release=14.8#14.8-e9a9c444ae1b15b7", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "38c76c71eb737e182e04201d28e92596", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}, "url": "/docs/compare/?release=13.11#13.11-68eda5cff16b56aa", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "60cdd891ff196eb453c0752b2704e756", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Tighten array dimensionality checks when converting Perl list structures to multi-dimensional SQL arrays", "evidence": {"same_day": true, "patch_ids": ["414ef7c71e42d4640e338d7dad288ebc"], "statement_hash": "d061dcd7fe5760e01715dd8a5d5cdb6cee65a282161509cefc12fa671b0f2f98"}, "url": "/docs/compare/?release=11.20#11.20-a81975d6456ea6d2", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-8958961cd3aa046a", "cves": [], "html": "Tighten array dimensionality checks when converting Python list structures to multi-dimensional SQL arrays (Tom Lane) § §
\nplpython could misbehave when dealing with empty sub-lists, or when the nesting of sub-lists is inconsistent so that the data does not represent a rectangular array of values. The former should result in an empty output array, and the latter in an error. But some cases resulted in a crash, and others in unexpected output.
", "text": "Tighten array dimensionality checks when converting Python list structures to multi-dimensional SQL arrays (Tom Lane) § § plpython could misbehave when dealing with empty sub-lists, or when the nesting of sub-lists is inconsistent so that the data does not represent a rectangular array of values. The former should result in an empty output array, and the latter in an error. 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\nSome rare failure cases could return without cleaning up the PG_TRY exception stack, risking a crash if another error was raised before the next stack level was unwound.
", "text": "Fix unwinding of exception stack in plpython (Xing Guo) § Some rare failure cases could return without cleaning up the PG_TRY exception stack, risking a crash if another error was raised before the next stack level was unwound.", "title": "Fix unwinding of exception stack in plpython", "commits": ["24964394a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "1009b02abeb19cdf588cc02567fdc8257f64977122ec36e53309fc9b737bd3df", "section_path": ["Changes"], "commit_groups": [["0af386b0f", "24964394a", "52c9cf323", "57d005170", "800531846", "825ebc984"]], "identity_text": "Fix unwinding of exception stack in plpython (Xing Guo) Some rare failure cases could return without cleaning up the PG_TRY exception stack, risking a crash if another error was raised before the next stack level was unwound.", "commit_aliases": ["0af386b0f", "24964394a", "52c9cf323", "57d005170", "800531846", "825ebc984"], "source_commits": ["24964394a"], "source_entry_id": "12.15/changes/041", "db_id": "0ce5d9003df7eaeca9b77f7ac8462933", "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd", "relations": [{"rule": 2, "type": "equivalent", "target": "0fe429e351fda7a60790e873d8310c40", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}, {"rule": 2, "type": "equivalent", "target": "14766548d1e2a90645f0b86a83ff226c", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}, {"rule": 2, "type": "equivalent", "target": "2710ca4bc6414fb413b76a621b8bfd1d", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}, {"rule": 2, "type": "equivalent", "target": "c4b98b08bc10237fec53b1cb2dc53575", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}}], "version": "12.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "14766548d1e2a90645f0b86a83ff226c", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=15.3#15.3-f3472e1dc206d3b4", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "c4b98b08bc10237fec53b1cb2dc53575", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=14.8#14.8-f49d68d718c6b800", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "0fe429e351fda7a60790e873d8310c40", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=13.11#13.11-2dc3e868b13d91a8", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "2710ca4bc6414fb413b76a621b8bfd1d", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Fix unwinding of exception stack in plpython", "evidence": {"same_day": true, "patch_ids": ["1bea2046b5ebc17be9b88badb1cf3e86"], "statement_hash": "c740153bc20659f2cccb019c89ee5f1433355f3d68bf103c6a8d8d8cb0a577bd"}, "url": "/docs/compare/?release=11.20#11.20-2f120acc37963b92", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}, {"id": "12.15-43aaba2afc8dcb25", "cves": [], "html": "Fix inconsistent GSS-encryption error handling in libpq's PQconnectPoll() (Michael Paquier) §
With gssencmode set to require, the connection was not marked dead after a GSS initialization failure. Make it fail immediately, as the equivalent case for TLS encryption has long done.
Fix possible data corruption in ecpg programs built with the -C ORACLE option (Kyotaro Horiguchi) §
When ecpg_get_data() is called with varcharsize set to zero, it could write a terminating zero character into the last byte of the preceding field, truncating the data in that field.
Fix pg_dump so that partitioned tables that are hash-partitioned on an enum-type column can be restored successfully (Tom Lane) §
\nSince the hash codes for enum values depend on the OIDs assigned to the enum, they are typically different after a dump and restore, meaning that rows often need to go into a different partition than they were in originally. Users can work around that by specifying the --load-via-partition-root option; but since there is very little chance of success without that, teach pg_dump to apply it automatically to such tables.
Also, fix pg_restore to not try to TRUNCATE target tables before restoring into them when --load-via-partition-root mode is used. This avoids a hazard of deadlocks and lost data.
In contrib/hstore_plpython, avoid crashing if the Python value to be transformed isn't a mapping (Dmitry Dolgov, Tom Lane) §
This should give an error, but Python 3 changed some APIs in a way that caused the check to misbehave, allowing a crash to ensue.
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A regex such as $foo is legal but unsatisfiable; the regex compiler recognizes that and produces an empty NFA graph. Attempting to optimize such a graph into a pg_trgm GIN or GiST index qualification resulted in accessing off the end of a work array, possibly leading to crashes.
Use the --strip-unneeded option when stripping static libraries with GNU-compatible strip (Tom Lane) §
Previously, make install-strip used the -x option in this case. This change avoids misbehavior of llvm-strip, and gives slightly smaller output as well.
Stop recommending auto-download of DTD files for building the documentation, and indeed disable it (Aleksander Alekseev, Peter Eisentraut, Tom Lane) §
\nIt appears no longer possible to build the SGML documentation without a local installation of the DocBook DTD files. Formerly xsltproc could download those files on-the-fly from sourceforge.net; but sourceforge.net now permits only HTTPS access, and no common version of xsltproc supports that. Hence, remove the bits of our documentation suggesting that that's possible or useful, and instead add xsltproc's --nonet option to the build recipes.
When running TAP tests in PGXS builds, use a saner location for the temporary portlock directory (Peter Eisentraut) §
Place it under tmp_check in the build directory. With the previous coding, a PGXS build would try to place it in the installation directory, which is not necessarily writable.
Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine. (Tom Lane) §
\nWhen observing Moscow time, Europe/Kirov and Europe/Volgograd now use the abbreviations MSK/MSD instead of numeric abbreviations, for consistency with other timezones observing Moscow time. Also, America/Yellowknife is no longer distinct from America/Edmonton; this affects some pre-1948 timestamps in that area.
", "text": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine. (Tom Lane) § When observing Moscow time, Europe/Kirov and Europe/Volgograd now use the abbreviations MSK/MSD instead of numeric abbreviations, for consistency with other timezones observing Moscow time. Also, America/Yellowknife is no longer distinct from America/Edmonton; this affects some pre-1948 timestamps in that area.", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "commits": ["2ad35cf06"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.15/#id-1.11.6.13.5", "source_hash": "e9a15b98130fabcc1e904c912ae25c4beebffeed30b6a2ec8bfb668170615856", "section_path": ["Changes"], "commit_groups": [["2ad35cf06", "4ddee4d9d", "62b22caa5", "7228f2f81", "87d8ec3e4", "b79b36f26"]], "identity_text": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine. (Tom Lane) When observing Moscow time, Europe/Kirov and Europe/Volgograd now use the abbreviations MSK/MSD instead of numeric abbreviations, for consistency with other timezones observing Moscow time. Also, America/Yellowknife is no longer distinct from America/Edmonton; this affects some pre-1948 timestamps in that area.", "commit_aliases": ["2ad35cf06", "4ddee4d9d", "62b22caa5", "7228f2f81", "87d8ec3e4", "b79b36f26"], "source_commits": ["2ad35cf06"], "source_entry_id": "12.15/changes/050", "db_id": "a75851e9f042420ee45e8f1723a55d95", "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614", "relations": [{"rule": 2, "type": "equivalent", "target": "10be16deda7a3a586a3117289d8b0b06", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"]}}, {"rule": 2, "type": "equivalent", "target": "360789e56cf7d2c4170c359a8391cd59", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}}, {"rule": 2, "type": "equivalent", "target": "a5866a6dfbf21d9c33fa546f4ddcbb04", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}}, {"rule": 2, "type": "equivalent", "target": "c7c1d0132ad2134c3b86c9166800e77b", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}}], "version": "12.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "a5866a6dfbf21d9c33fa546f4ddcbb04", "kind": "equivalent", "version": "15.3", "label": "15.3", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}, "url": "/docs/compare/?release=15.3#15.3-9cec2bc4e6a6b193", "source_url": "/docs/release/15.3/#id-1.11.6.22.5"}, {"db_id": "c7c1d0132ad2134c3b86c9166800e77b", "kind": "equivalent", "version": "14.8", "label": "14.8", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}, "url": "/docs/compare/?release=14.8#14.8-e4329476e6fe2494", "source_url": "/docs/release/14.8/#id-1.11.6.22.5"}, {"db_id": "360789e56cf7d2c4170c359a8391cd59", "kind": "equivalent", "version": "13.11", "label": "13.11", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"], "statement_hash": "0c9a56e9ff262e527f90e8585a8d8ab745bcb805922107d95e4d8e71698d7614"}, "url": "/docs/compare/?release=13.11#13.11-de2b6e53b98afe3b", "source_url": "/docs/release/13.11/#id-1.11.6.18.5"}, {"db_id": "10be16deda7a3a586a3117289d8b0b06", "kind": "equivalent", "version": "11.20", "label": "11.20", "title": "Update time zone data files to tzdata release 2023c for DST law changes in Egypt, Greenland, Morocco, and Palestine.", "evidence": {"same_day": true, "patch_ids": ["aefd5be331873944e6970308a638082a"]}, "url": "/docs/compare/?release=11.20#11.20-8708d826f8b4ecc4", "source_url": "/docs/release/11.20/#id-1.11.6.7.6"}]}]}, {"date": "2023-02-09", "build": "12.14", "major": "12", "minor": 14, "manual": "12", "status": "stable", "doc_git": "", "version": "12.14", "eol_date": "2024-11-21", "date_text": "2023-02-09", "supported": false, "manual_url": "/docs/12/release-12-14.html", "source_url": "/docs/release/12.14/", "entry_count": 36, "placeholder": false, "content_hash": "c8ff0a6bf9734c1154aacd3302e1c4b14ee8076e6fb975e713a83e8d16458969", "manual_build": "12.22", "source_as_of": "", "changes_count": 36, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 12.X.
\nHowever, if you are upgrading from a version earlier than 12.10, see Section E.13.
", "compatibility_count": 0, "label": "12.14", "status_label": "Historical", "eol": "2024-11-21", "age_days": 1328, "support_days": -677, "entries": [{"id": "12.14-3713e48c990849a8", "cves": ["CVE-2022-41862"], "html": "libpq can leak memory contents after GSSAPI transport encryption initiation fails (Jacob Champion) §
\nA modified server, or an unauthenticated man-in-the-middle, can send a not-zero-terminated error message during setup of GSSAPI (Kerberos) transport encryption. libpq will then copy that string, as well as following bytes in application memory up to the next zero byte, to its error report. Depending on what the calling application does with the error report, this could result in disclosure of application memory contents. There is also a small probability of a crash due to reading beyond the end of memory. Fix by properly zero-terminating the server message. (CVE-2022-41862)
", "text": "libpq can leak memory contents after GSSAPI transport encryption initiation fails (Jacob Champion) § A modified server, or an unauthenticated man-in-the-middle, can send a not-zero-terminated error message during setup of GSSAPI (Kerberos) transport encryption. libpq will then copy that string, as well as following bytes in application memory up to the next zero byte, to its error report. Depending on what the calling application does with the error report, this could result in disclosure of application memory contents. There is also a small probability of a crash due to reading beyond the end of memory. Fix by properly zero-terminating the server message. (CVE-2022-41862)", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "commits": ["3f7342671"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "52d6fe7625e8f5b11851ee279abd8ee40fd7a5444fc1b2a9be7b222cb45b6a5a", "section_path": ["Changes"], "commit_groups": [["3f7342671", "45a945ee9", "626f2c1d6", "715c345dd", "71c37797d"]], "identity_text": "libpq can leak memory contents after GSSAPI transport encryption initiation fails (Jacob Champion) A modified server, or an unauthenticated man-in-the-middle, can send a not-zero-terminated error message during setup of GSSAPI (Kerberos) transport encryption. libpq will then copy that string, as well as following bytes in application memory up to the next zero byte, to its error report. Depending on what the calling application does with the error report, this could result in disclosure of application memory contents. There is also a small probability of a crash due to reading beyond the end of memory. Fix by properly zero-terminating the server message. (CVE-2022-41862)", "commit_aliases": ["3f7342671", "45a945ee9", "626f2c1d6", "715c345dd", "71c37797d"], "source_commits": ["3f7342671"], "source_entry_id": "12.14/changes/001", "db_id": "44c395e376c7cd3c93049fcea68d1398", "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956", "relations": [{"rule": 2, "type": "equivalent", "target": "6972d6a9e3a94239c67a54106708d323", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}}, {"rule": 2, "type": "equivalent", "target": "84097a2dbd0e2416e528ec1b7e12655f", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}}, {"rule": 2, "type": "equivalent", "target": "e645f7bfeb83e81c2ad8f0c9a3338368", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}}], "version": "12.14", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "6972d6a9e3a94239c67a54106708d323", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}, "url": "/docs/compare/?release=15.2#15.2-259471afd131584c", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "84097a2dbd0e2416e528ec1b7e12655f", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}, "url": "/docs/compare/?release=14.7#14.7-2dbd2730debe7f61", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "e645f7bfeb83e81c2ad8f0c9a3338368", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "evidence": {"same_day": true, "patch_ids": ["142cd68f769e669eacd8f52bba9a8194"], "statement_hash": "f21c6966376d22108f84c4b98159922066b1883abb84007f1eda0a7248894956"}, "url": "/docs/compare/?release=13.10#13.10-23596c45357945bb", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}]}, {"id": "12.14-817e462388f523ee", "cves": [], "html": "Allow REPLICA IDENTITY to be set on an index that's not (yet) valid (Tom Lane) §
When pg_dump dumps a partitioned index that's marked REPLICA IDENTITY, it generates a command sequence that applies REPLICA IDENTITY before the partitioned index has been marked valid, causing restore to fail. There seems no very good reason to prohibit doing it in that order, so allow it. The marking will have no effect anyway until the index becomes valid.
Fix handling of DEFAULT markers in rules that perform an INSERT from a multi-row VALUES list (Dean Rasheed) §
In some cases a DEFAULT marker would not get replaced with the proper default-value expression, leading to an “unrecognized node type” error.
Reject uses of undefined variables in jsonpath existence checks (Alexander Korotkov, David G. Johnston) §
While jsonpath match operators threw an error for an undefined variable in the path pattern, the existence operators silently treated it as a match.
Fix edge-case data corruption in parallel hash joins (Dmitry Astapov) §
\nIf the final chunk of a large tuple being written out to a temporary file was exactly 32760 bytes, it would be corrupted due to a fencepost bug. The query would typically fail later with corrupted-data symptoms.
", "text": "Fix edge-case data corruption in parallel hash joins (Dmitry Astapov) § If the final chunk of a large tuple being written out to a temporary file was exactly 32760 bytes, it would be corrupted due to a fencepost bug. The query would typically fail later with corrupted-data symptoms.", "title": "Fix edge-case data corruption in parallel hash joins", "commits": ["b55303792"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "8fd5998a2f67d1e290fa0524d5b85d38f0ad1ffde06b64d6ef96e34528bde7cc", "section_path": ["Changes"], "commit_groups": [["1a5afe007", "2f65b8468", "b55303792", "d95dcc9ab", "d9f5345bf", "ffcf6f4cf"]], "identity_text": "Fix edge-case data corruption in parallel hash joins (Dmitry Astapov) If the final chunk of a large tuple being written out to a temporary file was exactly 32760 bytes, it would be corrupted due to a fencepost bug. The query would typically fail later with corrupted-data symptoms.", "commit_aliases": ["1a5afe007", "2f65b8468", "b55303792", "d95dcc9ab", "d9f5345bf", "ffcf6f4cf"], "source_commits": ["b55303792"], "source_entry_id": "12.14/changes/005", "db_id": "9a4c9851e7901484319f65e80da16939", "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8", "relations": [{"rule": 2, "type": "equivalent", "target": "17baafcf991fbee7db5fd59cfa4ebe26", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}, {"rule": 2, "type": "equivalent", "target": "58c1639ecc5c6ebcdfd574d1218a9233", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}, {"rule": 2, "type": "equivalent", "target": "8c118d8792453bb06a4ce9445538846a", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}, {"rule": 2, "type": "equivalent", "target": "fcfcf4d0c5151a6b2a0296b2cbd0a33f", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}}], "version": "12.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "fcfcf4d0c5151a6b2a0296b2cbd0a33f", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=15.2#15.2-900dd95c4f11c9be", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "17baafcf991fbee7db5fd59cfa4ebe26", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=14.7#14.7-ed0bddea4f1df704", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "58c1639ecc5c6ebcdfd574d1218a9233", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=13.10#13.10-ed92b3b2e5edc19f", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "8c118d8792453bb06a4ce9445538846a", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Fix edge-case data corruption in parallel hash joins", "evidence": {"same_day": true, "patch_ids": ["ed4e4b8eef5b19e3626542d6943bb6b8"], "statement_hash": "4a51d715717e30be6e1cee4a61dd098e72b0b0e2c8099e317041336e054c13e8"}, "url": "/docs/compare/?release=11.19#11.19-1057ba81081ccf89", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "12.14-a127346e204ca8fd", "cves": [], "html": "Honor non-default settings of checkpoint_completion_target (Bharath Rupireddy) §
Internal state was not updated after a change in checkpoint_completion_target, possibly resulting in performing checkpoint I/O faster or slower than desired, especially if that setting was changed on-the-fly.
Log the correct ending timestamp in recovery_target_xid mode (Tom Lane) §
When ending recovery based on the recovery_target_xid setting with recovery_target_inclusive = off, we printed an incorrect timestamp (always 2000-01-01) in the “recovery stopping before ... transaction” log message.
Prevent “wrong tuple length” failure at the end of VACUUM (Ashwin Agrawal, Junfeng Yang) §
This occurred if VACUUM needed to update the current database's datfrozenxid value and the database has so many granted privileges that its datacl value has been pushed out-of-line.
In extended query protocol, avoid an immediate commit after ANALYZE if we're running a pipeline (Tom Lane) §
If there's not been an explicit BEGIN TRANSACTION, ANALYZE would take it on itself to commit, which should not happen within a pipelined series of commands.
Reject cancel request packets having the wrong length (Andrey Borodin) §
\nThe server would process a cancel request even if its length word was too small. This led to reading beyond the end of the allocated buffer. In theory that could cause a segfault, but it seems quite unlikely to happen in practice, since the buffer would have to be very close to the end of memory. The more likely outcome was a bogus log message about wrong backend PID or cancel code. Complain about the wrong length, instead.
", "text": "Reject cancel request packets having the wrong length (Andrey Borodin) § The server would process a cancel request even if its length word was too small. This led to reading beyond the end of the allocated buffer. In theory that could cause a segfault, but it seems quite unlikely to happen in practice, since the buffer would have to be very close to the end of memory. The more likely outcome was a bogus log message about wrong backend PID or cancel code. Complain about the wrong length, instead.", "title": "Reject cancel request packets having the wrong length", "commits": ["e75b5c855"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "39a177378f523bd4d995a863e3ed0f7e2fb67e13a8b78630f356f213d248d65d", "section_path": ["Changes"], "commit_groups": [["6900aea67", "8f70de7e0", "a9bccffe5", "b152bb7b2", "e52daaabf", "e75b5c855"]], "identity_text": "Reject cancel request packets having the wrong length (Andrey Borodin) The server would process a cancel request even if its length word was too small. This led to reading beyond the end of the allocated buffer. In theory that could cause a segfault, but it seems quite unlikely to happen in practice, since the buffer would have to be very close to the end of memory. The more likely outcome was a bogus log message about wrong backend PID or cancel code. Complain about the wrong length, instead.", "commit_aliases": ["6900aea67", "8f70de7e0", "a9bccffe5", "b152bb7b2", "e52daaabf", "e75b5c855"], "source_commits": ["e75b5c855"], "source_entry_id": "12.14/changes/010", "db_id": "f77b12baef4c96feae19e6651e311743", "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8", "relations": [{"rule": 2, "type": "equivalent", "target": "0ca75a37b68a2dc0bfeff23a25e77ba0", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}, {"rule": 2, "type": "equivalent", "target": "704a6634c16ef7df7bcdf60048ae61a0", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}, {"rule": 2, "type": "equivalent", "target": "7fa280ab24f9d5ddd2a56f45d4ffca65", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}, {"rule": 2, "type": "equivalent", "target": "9debe525460effd204276d88508b491c", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}}], "version": "12.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "704a6634c16ef7df7bcdf60048ae61a0", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=15.2#15.2-1a2f254299955365", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "7fa280ab24f9d5ddd2a56f45d4ffca65", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=14.7#14.7-f72804a6eeac15f7", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "9debe525460effd204276d88508b491c", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=13.10#13.10-36c77ab5f60c2fec", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "0ca75a37b68a2dc0bfeff23a25e77ba0", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Reject cancel request packets having the wrong length", "evidence": {"same_day": true, "patch_ids": ["4a585c04a8486d7d2d2fc0188102e7f2"], "statement_hash": "5934eb496fa5e338ee30f760357ba25b34ae3381414dec4210b32506b0e779a8"}, "url": "/docs/compare/?release=11.19#11.19-8fc865ae005d5dbb", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "12.14-5ed3b667487988cc", "cves": [], "html": "Add recursion and looping defenses in subquery pullup (Tom Lane) §
\nA contrived query can result in deep recursion and unreasonable amounts of time spent trying to flatten subqueries. A proper fix for that seems unduly invasive for a back-patch, but we can at least add stack depth checks and an interrupt check to allow the query to be cancelled.
", "text": "Add recursion and looping defenses in subquery pullup (Tom Lane) § A contrived query can result in deep recursion and unreasonable amounts of time spent trying to flatten subqueries. A proper fix for that seems unduly invasive for a back-patch, but we can at least add stack depth checks and an interrupt check to allow the query to be cancelled.", "title": "Add recursion and looping defenses in subquery pullup", "commits": ["d572003f7"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "7a6a41f6c44c8ac58e8f7fd34a4dfcce293d9b22cfe12c1180bcdd58e6634d26", "section_path": ["Changes"], "commit_groups": [["1a3daa5bb", "4fceb454f", "5beb7881f", "8cd700cc5", "97431d673", "d572003f7"]], "identity_text": "Add recursion and looping defenses in subquery pullup (Tom Lane) A contrived query can result in deep recursion and unreasonable amounts of time spent trying to flatten subqueries. A proper fix for that seems unduly invasive for a back-patch, but we can at least add stack depth checks and an interrupt check to allow the query to be cancelled.", "commit_aliases": ["1a3daa5bb", "4fceb454f", "5beb7881f", "8cd700cc5", "97431d673", "d572003f7"], "source_commits": ["d572003f7"], "source_entry_id": "12.14/changes/011", "db_id": "7c6d42673b3e4664bd79bc8f9f6ea38d", "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f", "relations": [{"rule": 2, "type": "equivalent", "target": "362730489706fa81e58f4c999e886e0e", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}, {"rule": 2, "type": "equivalent", "target": "5af068db3341269c18db67f0336598f0", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}, {"rule": 2, "type": "equivalent", "target": "c00645f9f75d71aa6acb6087397460db", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}, {"rule": 2, "type": "equivalent", "target": "fdceeabfdcd8e34505ab07c4d5612bd4", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}}], "version": "12.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "362730489706fa81e58f4c999e886e0e", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=15.2#15.2-5090984861bce8c8", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "fdceeabfdcd8e34505ab07c4d5612bd4", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=14.7#14.7-da8d00e103dbea9a", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "c00645f9f75d71aa6acb6087397460db", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=13.10#13.10-d35cca4c09de4185", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "5af068db3341269c18db67f0336598f0", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Add recursion and looping defenses in subquery pullup", "evidence": {"same_day": true, "patch_ids": ["36ed289451f3942e317c05bea9704165"], "statement_hash": "b9bcf77ecf301d3825a33e1113dddf8b686f10adf99f609ff924f11fc765071f"}, "url": "/docs/compare/?release=11.19#11.19-d9d142d540ffa7c9", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "12.14-2a4e55e0fca50b50", "cves": [], "html": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition (Tom Lane) §
\nThis could result in “could not devise a query plan for the given query” errors.
", "text": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition (Tom Lane) § This could result in “could not devise a query plan for the given query” errors.", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "commits": ["1ff549e84"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "96d4fcf6afe65ce7eaafcd921b4e429b7537073b54047e8406480cac94027dab", "section_path": ["Changes"], "commit_groups": [["1ff549e84", "2df073313", "4ebca555c", "bf8fd64ff", "ec3daeec3", "fe12f2f8f"]], "identity_text": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition (Tom Lane) This could result in could not devise a query plan for the given query errors.", "commit_aliases": ["1ff549e84", "2df073313", "4ebca555c", "bf8fd64ff", "ec3daeec3", "fe12f2f8f"], "source_commits": ["1ff549e84"], "source_entry_id": "12.14/changes/012", "db_id": "ec7d05dbfdacc0d8ea27dd45d04add5a", "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1", "relations": [{"rule": 2, "type": "equivalent", "target": "6f7131cf4cc9e66ad2f9645e81362450", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}, {"rule": 2, "type": "equivalent", "target": "ab574b7f4bc6aa7119791c39e91c1cb7", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}, {"rule": 2, "type": "equivalent", "target": "c2b696431dc7120dd5fcf12f4dceb1d2", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}, {"rule": 2, "type": "equivalent", "target": "dbfc56a5f280f98acfb2ac22d3b85626", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}}], "version": "12.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "6f7131cf4cc9e66ad2f9645e81362450", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=15.2#15.2-bb867c3ad0f78911", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "ab574b7f4bc6aa7119791c39e91c1cb7", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=14.7#14.7-e378359afa593f1d", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "c2b696431dc7120dd5fcf12f4dceb1d2", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=13.10#13.10-cf603be7db67c148", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "dbfc56a5f280f98acfb2ac22d3b85626", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Fix partitionwise-join code to tolerate failure to produce a plan for each partition", "evidence": {"same_day": true, "patch_ids": ["778506c4256a633d97aea2b3679b38fd"], "statement_hash": "8216c4e7bc70057140e5130801b0779392eedb9ac4b5170e1009a8a85e6962e1"}, "url": "/docs/compare/?release=11.19#11.19-ea58e9523a4b5b62", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "12.14-ffb0dcdce89b2abb", "cves": [], "html": "Limit the amount of cleanup work done by get_actual_variable_range (Simon Riggs) §
Planner runs occurring just after deletion of a large number of tuples appearing at the end of an index could expend significant amounts of work setting the “killed” bits for those index entries. Limit the amount of work done in any one query by giving up on this process after examining 100 heap pages. All the cleanup will still happen eventually, but without so large a performance hiccup.
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", "text": "Fix memory leak in hashing strings with nondeterministic collations (Jeff Davis) §", "title": "Fix memory leak in hashing strings with nondeterministic collations", "commits": ["f98c4fb1d"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "8ac18cf8ae8a03730bce28a8bab2c2b8e7062fdd6f5add331510c97fe0f9e5fd", "section_path": ["Changes"], "commit_groups": [["47e1224d5", "9377b4f30", "a844052b5", "edf12e7bb", "f98c4fb1d"]], "identity_text": "Fix memory leak in hashing strings with nondeterministic collations (Jeff Davis)", "commit_aliases": ["47e1224d5", "9377b4f30", "a844052b5", "edf12e7bb", "f98c4fb1d"], "source_commits": ["f98c4fb1d"], "source_entry_id": "12.14/changes/015", "db_id": "2816c467f6dfc309bdc20da3bcb224d2", "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236", "relations": [{"rule": 2, "type": "equivalent", "target": "0d55210ee4a7fa82ce3c1e004d22f631", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}}, {"rule": 2, "type": "equivalent", "target": "143f0cdc057f5d55143b6fd4226c08fa", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}}, {"rule": 2, "type": "equivalent", "target": "9094d14461dc2e6dc506aea25465f637", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}}], "version": "12.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9094d14461dc2e6dc506aea25465f637", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "Fix memory leak in hashing strings with nondeterministic collations", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}, "url": "/docs/compare/?release=15.2#15.2-525f43a7a7d4e8fc", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "0d55210ee4a7fa82ce3c1e004d22f631", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Fix memory leak in hashing strings with nondeterministic collations", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}, "url": "/docs/compare/?release=14.7#14.7-f55d60a5c2b738ea", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "143f0cdc057f5d55143b6fd4226c08fa", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Fix memory leak in hashing strings with nondeterministic collations", "evidence": {"same_day": true, "patch_ids": ["3f4ec5f23f6762bfb8f8a9541c39811d"], "statement_hash": "ecb659f7305e138eabbba1ebaac680f7bd7f0b317fa000ae0f0d44ddc294f236"}, "url": "/docs/compare/?release=13.10#13.10-2717bdcca432d322", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}]}, {"id": "12.14-f5ff06477c8b31f4", "cves": [], "html": "Clean up the libpq connection object after a failed replication connection attempt (Andres Freund) §
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In hot-standby servers, reduce processing effort for tracking XIDs known to be active on the primary (Simon Riggs, Michail Nikolaev) §
\nInsufficiently-aggressive cleanup of the KnownAssignedXids array could lead to poor performance, particularly when max_connections is set to a large value on the standby.
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\nIn certain cases, resumption of logical decoding could try to re-use XID data that had already been freed, leading to unpredictable behavior.
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\nFailure to do this left the page possibly different on standby servers than the primary, and violated some other expectations about when the LSN changes. This seems only a theoretical hazard so far as PostgreSQL itself is concerned, but it could upset third-party tools.
", "text": "Advance a heap page's LSN when setting its all-visible bit during WAL replay (Jeff Davis) § Failure to do this left the page possibly different on standby servers than the primary, and violated some other expectations about when the LSN changes. This seems only a theoretical hazard so far as PostgreSQL itself is concerned, but it could upset third-party tools.", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "commits": ["7dd39e9e8"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.14/#id-1.11.6.14.5", "source_hash": "119f3a1c8739ec7fffe4d497d90d2d61dc9beddf1202eeec7fab9531a891a853", "section_path": ["Changes"], "commit_groups": [["58a45bb1d", "5eaf3e375", "7bf713dd2", "7dd39e9e8", "d6a3dbe14", "f893af496"]], "identity_text": "Advance a heap page's LSN when setting its all-visible bit during WAL replay (Jeff Davis) Failure to do this left the page possibly different on standby servers than the primary, and violated some other expectations about when the LSN changes. This seems only a theoretical hazard so far as PostgreSQL itself is concerned, but it could upset third-party tools.", "commit_aliases": ["58a45bb1d", "5eaf3e375", "7bf713dd2", "7dd39e9e8", "d6a3dbe14", "f893af496"], "source_commits": ["7dd39e9e8"], "source_entry_id": "12.14/changes/020", "db_id": "a849f5b97bde2347692ac39d9bb22fac", "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c", "relations": [{"rule": 2, "type": "equivalent", "target": "0a52af951983fba9bfed60788718abce", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}, {"rule": 2, "type": "equivalent", "target": "d075e92a3d8b3a092881d4f990bd0d56", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}, {"rule": 2, "type": "equivalent", "target": "d08b648a27abdbdb17fdafeb4c59538c", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}, {"rule": 2, "type": "equivalent", "target": "f392d1567ccd1073c218f3b576032ce6", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}}], "version": "12.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f392d1567ccd1073c218f3b576032ce6", "kind": "equivalent", "version": "15.2", "label": "15.2", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=15.2#15.2-1b81bbf9b853920b", "source_url": "/docs/release/15.2/#id-1.11.6.23.5"}, {"db_id": "0a52af951983fba9bfed60788718abce", "kind": "equivalent", "version": "14.7", "label": "14.7", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=14.7#14.7-718290997b4c9316", "source_url": "/docs/release/14.7/#id-1.11.6.23.5"}, {"db_id": "d08b648a27abdbdb17fdafeb4c59538c", "kind": "equivalent", "version": "13.10", "label": "13.10", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=13.10#13.10-765605010314565b", "source_url": "/docs/release/13.10/#id-1.11.6.19.5"}, {"db_id": "d075e92a3d8b3a092881d4f990bd0d56", "kind": "equivalent", "version": "11.19", "label": "11.19", "title": "Advance a heap page's LSN when setting its all-visible bit during WAL replay", "evidence": {"same_day": true, "patch_ids": ["f87c1cf9570073e580dbf6ed653b9355"], "statement_hash": "b7a250eff9f5d0b0df14c972ca79c74303b915933c3a21c300fb558c6bfbe03c"}, "url": "/docs/compare/?release=11.19#11.19-9647dd729ac675d6", "source_url": "/docs/release/11.19/#id-1.11.6.8.6"}]}, {"id": "12.14-efbd68085e41ec7e", "cves": [], "html": "Prevent unsafe usage of a relation cache entry's rd_smgr pointer (Amul Sul) §
Remove various assumptions that rd_smgr would stay valid over a series of operations, by wrapping all uses of it in a function that will recompute it if needed. This prevents bugs occurring when an unexpected cache flush occurs partway through such a series.
Fix latent buffer-overrun problem in WaitEventSet logic (Thomas Munro) §
The epoll-based and kqueue-based implementations could ask the kernel for too many events if the size of their internal buffer was different from the size of the caller's output buffer. That case is not known to occur in released PostgreSQL versions, but this error is a hazard for external modules and future bug fixes.
Avoid nominally-undefined behavior when accessing shared memory in 32-bit builds (Andres Freund) §
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Fix faulty assertion in contrib/postgres_fdw (Etsuro Fujita) §
Fix contrib/seg to not crash or print garbage if an input number has more than 127 digits (Tom Lane) §
In contrib/sepgsql, avoid deprecation warnings with recent libselinux (Michael Paquier) §
Fix build on Microsoft Visual Studio 2013 (Tom Lane) §
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This oversight could lead to “cache lookup failed for type” errors, or in older branches even to crashes.
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This avoids confusion between a view's ON SELECT rule and any other rules it may have.
Fix resource management bug in saving tuples for AFTER triggers (Tom Lane) §
Given the right circumstances, this manifested as a “tupdesc reference NNNN is not owned by resource owner” error followed by a PANIC exit.
Repair rare failure of MULTIEXPR_SUBLINK subplans in inherited updates (Tom Lane) § § §
\nUse of the syntax UPDATE tab SET (c1, ...) = (SELECT ...) with an inherited or partitioned target table could result in failure if the child tables are sufficiently dissimilar. This typically manifested as failure of consistency checks in the executor; but a crash or incorrect data updates are also possible.
Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION (Jehan-Guillaume de Rorthais, Álvaro Herrera) § §
Previously, incorrect or duplicate constraints could be constructed for the newly-added partition.
", "text": "Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION (Jehan-Guillaume de Rorthais, Álvaro Herrera) § § Previously, incorrect or duplicate constraints could be constructed for the newly-added partition.", "title": "Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION", "commits": ["669803af0", "ab70b3a52"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.13/#id-1.11.6.15.5", "source_hash": "3c153b892d2d8bfb28220834b3c83f117c654b79e85ec953ab70398c1708b081", "section_path": ["Changes"], "commit_groups": [["18865f4df", "41b6e7c9a", "ab70b3a52", "b0284bfb1", "c301e1c0c"], ["483d26930", "6083132ab", "614a406b4", "669803af0", "7d520e68e"]], "identity_text": "Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION (Jehan-Guillaume de Rorthais, Álvaro Herrera) Previously, incorrect or duplicate constraints could be constructed for the newly-added partition.", "commit_aliases": ["18865f4df", "41b6e7c9a", "483d26930", "6083132ab", "614a406b4", "669803af0", "7d520e68e", "ab70b3a52", "b0284bfb1", "c301e1c0c"], "source_commits": ["669803af0", "ab70b3a52"], "source_entry_id": "12.13/changes/007", "db_id": "38d1eceea05386575bd3a6ddbaad042d", "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950", "relations": [{"rule": 2, "type": "equivalent", "target": "3ef311db4c1c4f64c515c365fc2c76c6", "evidence": {"same_day": true, "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950"}}, {"rule": 2, "type": "equivalent", "target": "5b7734c15773ba6eaa7262f5101ae3fa", "evidence": {"same_day": true, "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950"}}, {"rule": 2, "type": "equivalent", "target": "63c6b68e06cc127bc5ab5d5033ada34c", "evidence": {"same_day": true, "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950"}}], "version": "12.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "63c6b68e06cc127bc5ab5d5033ada34c", "kind": "equivalent", "version": "15.1", "label": "15.1", "title": "Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950"}, "url": "/docs/compare/?release=15.1#15.1-dceef571bfb2c904", "source_url": "/docs/release/15.1/#id-1.11.6.24.5"}, {"db_id": "5b7734c15773ba6eaa7262f5101ae3fa", "kind": "equivalent", "version": "14.6", "label": "14.6", "title": "Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950"}, "url": "/docs/compare/?release=14.6#14.6-87744a05f938593a", "source_url": "/docs/release/14.6/#id-1.11.6.24.5"}, {"db_id": "3ef311db4c1c4f64c515c365fc2c76c6", "kind": "equivalent", "version": "13.9", "label": "13.9", "title": "Fix construction of per-partition foreign key constraints while doing ALTER TABLE ATTACH PARTITION", "evidence": {"same_day": true, "patch_ids": ["0571585b966509fb89a1692c27aa8e10", "ecfd35f379cc50a82019aa49785dad28"], "statement_hash": "60eb0f9dddae2f6e5a1ec1f67c6e0560b194779ce51b5273b1a8e4b283b3e950"}, "url": "/docs/compare/?release=13.9#13.9-0f4dfa4b9d573ee7", "source_url": "/docs/release/13.9/#id-1.11.6.20.5"}]}, {"id": "12.13-0f98de0e07abbee4", "cves": [], "html": "Fix generation of constraint names for per-partition foreign key constraints (Jehan-Guillaume de Rorthais) §
\nIf the initially-given name is already in use for some constraint of the partition, a new one is selected; but it wasn't being spelled as intended.
", "text": "Fix generation of constraint names for per-partition foreign key constraints (Jehan-Guillaume de Rorthais) § If the initially-given name is already in use for some constraint of the partition, a new one is selected; but it wasn't being spelled as intended.", "title": "Fix generation of constraint names for per-partition foreign key constraints", "commits": ["562e100ae"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.13/#id-1.11.6.15.5", "source_hash": "630ddc0f3692c25b42cefbdcf1373ad9edb3492010f73e6194c37dbeb7871de6", "section_path": ["Changes"], "commit_groups": [["562e100ae", "640c20d62", "80ef25b1a", "ade2409b1", "e7936f8b3"]], "identity_text": "Fix generation of constraint names for per-partition foreign key constraints (Jehan-Guillaume de Rorthais) If the initially-given name is already in use for some constraint of the partition, a new one is selected; but it wasn't being spelled as intended.", "commit_aliases": ["562e100ae", "640c20d62", "80ef25b1a", "ade2409b1", "e7936f8b3"], "source_commits": ["562e100ae"], "source_entry_id": "12.13/changes/008", "db_id": "f16bf4c618afca5148da6a307aaf96f6", "patch_ids": ["207141cc965cf7004eddedd585c3c4ae"], "statement_hash": "038a30f3ab30134f0faeda0fbf6fdda27520321121a389a051e1dda5f2f9fd70", "relations": [{"rule": 2, "type": "equivalent", "target": "20bdc426c5c721f886599e38f50cc843", "evidence": {"same_day": true, "patch_ids": ["207141cc965cf7004eddedd585c3c4ae"], "statement_hash": "038a30f3ab30134f0faeda0fbf6fdda27520321121a389a051e1dda5f2f9fd70"}}, {"rule": 2, "type": "equivalent", "target": "910a88629665b21562fb89118ba19274", "evidence": {"same_day": true, "patch_ids": ["207141cc965cf7004eddedd585c3c4ae"], "statement_hash": "038a30f3ab30134f0faeda0fbf6fdda27520321121a389a051e1dda5f2f9fd70"}}], "version": "12.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "910a88629665b21562fb89118ba19274", "kind": "equivalent", "version": "14.6", "label": "14.6", "title": "Fix generation of constraint names for per-partition foreign key constraints", "evidence": {"same_day": true, "patch_ids": ["207141cc965cf7004eddedd585c3c4ae"], "statement_hash": "038a30f3ab30134f0faeda0fbf6fdda27520321121a389a051e1dda5f2f9fd70"}, "url": "/docs/compare/?release=14.6#14.6-9cd41d8a73180cf9", "source_url": "/docs/release/14.6/#id-1.11.6.24.5"}, {"db_id": "20bdc426c5c721f886599e38f50cc843", "kind": "equivalent", "version": "13.9", "label": "13.9", "title": "Fix generation of constraint names for per-partition foreign key constraints", "evidence": {"same_day": true, "patch_ids": ["207141cc965cf7004eddedd585c3c4ae"], "statement_hash": "038a30f3ab30134f0faeda0fbf6fdda27520321121a389a051e1dda5f2f9fd70"}, "url": "/docs/compare/?release=13.9#13.9-66a14343d89aa6e9", "source_url": "/docs/release/13.9/#id-1.11.6.20.5"}]}, {"id": "12.13-a1dc4116320e9f2b", "cves": [], "html": "Fix incorrect matching of index expressions and predicates when creating a partitioned index (Richard Guo, Tom Lane) §
\nWhile creating a partitioned index, we try to identify any existing indexes on the partitions that match the partitioned index, so that we can absorb those as child indexes instead of building new ones. Matching of expressions was not done right, so that a usable child index might be ignored, leading to creation of a duplicative index.
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\nWhen a PostgreSQL instance performing archive recovery (but not using standby mode) is promoted, and the last WAL segment that it attempted to read ended in a partial record, the instance would write an invalid WAL segment on the new timeline.
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\nThis mistake is not known to have any negative consequences within core PostgreSQL, but it did cause issues for some extensions.
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If the left-hand circle had a floating-point NaN for its radius, it would be considered equal to a circle with the same center and any radius.
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", "text": "In Snowball dictionaries, don't try to stem excessively-long words (Olly Betts, Tom Lane) § If the input word exceeds 1000 bytes, return it as-is after case folding, rather than trying to run it through the Snowball code. This restriction protects against a known recursion-to-stack-overflow problem in the Turkish stemmer, and it seems like good insurance against any other safety or performance issues that may exist in the Snowball stemmers. 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Build a separate function cache entry for each concrete type passed to the RECORD parameter during a session, much as we do for polymorphic parameters. This allows some usages to work that previously failed with errors such as “type of parameter does not match that when preparing the plan”.
Add missing guards for NULL connection pointer in libpq (Daniele Varrazzo, Tom Lane) §
There's a convention that libpq functions should check for a NULL PGconn argument, and fail gracefully instead of crashing. PQflush() and PQisnonblocking() didn't get that memo, so fix them.
In ecpg, fix omission of variable storage classes when multiple varchar or bytea variables are declared in the same declaration (Andrey Sokolov) §
For example, ecpg translated static varchar str1[10], str2[20], str3[30]; in such a way that only str1 was marked static.
Allow cross-platform tablespace relocation in pg_basebackup (Robert Haas) §
\nAllow the remote path in --tablespace-mapping to be either a Unix-style or Windows-style absolute path, since the source server could be on a different OS than the local system.
In pg_stat_statements, fix access to already-freed memory (zhaoqigui) §
\nThis occurred if pg_stat_statements tracked a ROLLBACK command issued via extended query protocol. In debug builds it consistently led to an assertion failure. In production builds there would often be no visible ill effect; but if the freed memory had already been reused, the likely result would be to store garbage for the query string.
In postgres_fdw, ensure that target lists constructed for EvalPlanQual plans will have all required columns (Richard Guo, Etsuro Fujita) §
\nThis avoids “variable not found in subplan target list” errors in rare cases.
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The uuid-ossp module expects libc's uuid_create() to produce a version-1 UUID, but recent NetBSD releases produce a version-4 (random) UUID instead. Check for that, and complain if so. Drop the documentation's claim that the NetBSD implementation is usable for uuid-ossp. (If a version-4 UUID is okay for your purposes, you don't need uuid-ossp at all; just use gen_random_uuid().)
Include new Perl test modules in standard installations (Álvaro Herrera) §
\nAdd PostgreSQL/Test/Cluster.pm and PostgreSQL/Test/Utils.pm to the standard installation file set in pre-version-15 branches. This is for the benefit of extensions that want to use newly-written test code in older branches.
On NetBSD, force dynamic symbol resolution at postmaster start (Andres Freund, Tom Lane) §
\nThis avoids a risk of deadlock in the dynamic linker on NetBSD 10.
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(Tom Lane) §
\nAlso, the Europe/Kiev zone has been renamed to Europe/Kyiv. Also, the following zones have been merged into nearby, more-populous zones whose clocks have agreed with them since 1970: Antarctica/Vostok, Asia/Brunei, Asia/Kuala_Lumpur, Atlantic/Reykjavik, Europe/Amsterdam, Europe/Copenhagen, Europe/Luxembourg, Europe/Monaco, Europe/Oslo, Europe/Stockholm, Indian/Christmas, Indian/Cocos, Indian/Kerguelen, Indian/Mahe, Indian/Reunion, Pacific/Chuuk, Pacific/Funafuti, Pacific/Majuro, Pacific/Pohnpei, Pacific/Wake and Pacific/Wallis. (This indirectly affects zones that were already links to one of these: Arctic/Longyearbyen, Atlantic/Jan_Mayen, Iceland, Pacific/Ponape, Pacific/Truk, and Pacific/Yap.) America/Nipigon, America/Rainy_River, America/Thunder_Bay, Europe/Uzhgorod, and Europe/Zaporozhye were also merged into nearby zones after discovering that their claimed post-1970 differences from those zones seem to have been errors. In all these cases, the previous zone name remains as an alias; but the actual data is that of the zone that was merged into.
\nThese zone mergers result in loss of pre-1970 timezone history for the merged zones, which may be troublesome for applications expecting consistency of timestamptz display. As an example, the stored value 1944-06-01 12:00 UTC would previously display as 1944-06-01 13:00:00+01 if the Europe/Stockholm zone is selected, but now it will read out as 1944-06-01 14:00:00+02.
It is possible to build the time zone data files with options that will restore the older zone data, but that choice also inserts a lot of other old (and typically poorly-attested) zone data, resulting in more total changes from the previous release than accepting these upstream changes does. PostgreSQL has chosen to ship the tzdb data as-recommended, and so far as we are aware most major operating system distributions are doing likewise. However, if these changes cause significant problems for your application, a possible solution is to install a local build of the time zone data files using tzdb's backwards-compatibility options (see their PACKRATDATA and PACKRATLIST options).
A dump/restore is not required for those running 12.X.
\nHowever, if you are upgrading from a version earlier than 12.10, see Section E.13.
", "compatibility_count": 0, "label": "12.12", "status_label": "Historical", "eol": "2024-11-21", "age_days": 1510, "support_days": -677, "entries": [{"id": "12.12-adff0755b5cd079c", "cves": ["CVE-2022-2625"], "html": "Do not let extension scripts replace objects not already belonging to the extension (Tom Lane) §
\nThis change prevents extension scripts from doing CREATE OR REPLACE if there is an existing object that does not belong to the extension. It also prevents CREATE IF NOT EXISTS in the same situation. This prevents a form of trojan-horse attack in which a hostile database user could become the owner of an extension object and then modify it to compromise future uses of the object by other users. As a side benefit, it also reduces the risk of accidentally replacing objects one did not mean to.
The PostgreSQL Project thanks Sven Klemm for reporting this problem. (CVE-2022-2625)
", "text": "Do not let extension scripts replace objects not already belonging to the extension (Tom Lane) § This change prevents extension scripts from doing CREATE OR REPLACE if there is an existing object that does not belong to the extension. It also prevents CREATE IF NOT EXISTS in the same situation. This prevents a form of trojan-horse attack in which a hostile database user could become the owner of an extension object and then modify it to compromise future uses of the object by other users. As a side benefit, it also reduces the risk of accidentally replacing objects one did not mean to. The PostgreSQL Project thanks Sven Klemm for reporting this problem. (CVE-2022-2625)", "title": "Do not let extension scripts replace objects not already belonging to the extension", "commits": ["5579726bd"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.12/#id-1.11.6.16.5", "source_hash": "152979580670b4d024afdead88f4087c2b1ea4a84295a1148878a0616bf9adc3", "section_path": ["Changes"], "commit_groups": [["5579726bd", "5721da7e4", "5919bb5a5", "7e92f78ab", "b9b21acc7", "cc7e0feba", "f52d2fbd8"]], "identity_text": "Do not let extension scripts replace objects not already belonging to the extension (Tom Lane) This change prevents extension scripts from doing CREATE OR REPLACE if there is an existing object that does not belong to the extension. It also prevents CREATE IF NOT EXISTS in the same situation. This prevents a form of trojan-horse attack in which a hostile database user could become the owner of an extension object and then modify it to compromise future uses of the object by other users. As a side benefit, it also reduces the risk of accidentally replacing objects one did not mean to. The PostgreSQL Project thanks Sven Klemm for reporting this problem. 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Standby servers may encounter missing tablespace directories when replaying database-creation WAL records. Prior to this patch, a standby would fail to recover in such a case; however, such directories could be legitimately missing. Create the tablespace (as a plain directory), then check that it has been dropped again once replay reaches a consistent state.
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Prior to this patch, a standby would fail to recover in such a case; however, such directories could be legitimately missing. 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\nNormally a Postgres tablespace is a symbolic link to a directory on some other filesystem. This change allows it to just be a plain directory. While this has no use for separating tables onto different filesystems, it is a convenient setup for testing. Moreover, it is necessary to support the CREATE DATABASE replay fix, which transiently creates a missing tablespace as an “in place” tablespace.
Fix permissions checks in CREATE INDEX (Nathan Bossart, Noah Misch) §
The fix for CVE-2022-1552 caused CREATE INDEX to apply the table owner's permissions while performing lookups of operator classes and other objects, where formerly the calling user's permissions were used. This broke dump/restore scenarios, because pg_dump issues CREATE INDEX before re-granting permissions.
In extended query protocol, force an immediate commit after CREATE DATABASE and other commands that can't run in a transaction block (Tom Lane) §
If the client does not send a Sync message immediately after such a command, but instead sends another command, any failure in that command would lead to rolling back the preceding command, typically leaving inconsistent state on-disk (such as a missing or extra database directory). The mechanisms intended to prevent that situation turn out to work for multiple commands in a simple-Query message, but not for a series of extended-protocol messages. To prevent inconsistency without breaking use-cases that work today, force an implicit commit after such commands.
", "text": "In extended query protocol, force an immediate commit after CREATE DATABASE and other commands that can't run in a transaction block (Tom Lane) § If the client does not send a Sync message immediately after such a command, but instead sends another command, any failure in that command would lead to rolling back the preceding command, typically leaving inconsistent state on-disk (such as a missing or extra database directory). The mechanisms intended to prevent that situation turn out to work for multiple commands in a simple-Query message, but not for a series of extended-protocol messages. To prevent inconsistency without breaking use-cases that work today, force an implicit commit after such commands.", "title": "In extended query protocol, force an immediate commit after CREATE DATABASE and other commands that can't run in a transaction block", "commits": ["968b89257"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.12/#id-1.11.6.16.5", "source_hash": "371de135c00dbf61e4667505017ecf66c3282eca0eb3f7bd1ed824975b2e2fa1", "section_path": ["Changes"], "commit_groups": [["3e1297a63", "6c193c2ac", "964f42aa2", "968b89257", "9e3e1ac45", "a0c632c1d", "f92944137"]], "identity_text": "In extended query protocol, force an immediate commit after CREATE DATABASE and other commands that can't run in a transaction block (Tom Lane) If the client does not send a Sync message immediately after such a command, but instead sends another command, any failure in that command would lead to rolling back the preceding command, typically leaving inconsistent state on-disk (such as a missing or extra database directory). 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\nTransactionIdIsInProgress could report false before the subject transaction is considered visible, leading to various misbehaviors. The race condition window is normally very narrow, but use of synchronous replication makes it much wider, because the wait for a synchronous replica happens in that window.
Fix queries in which a “whole-row variable” references the result of a function that returns a domain over composite type (Tom Lane) §
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Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables (Álvaro Herrera, Amit Langote) § §
In certain cases, a “trigger does not exist” failure would occur because the command would try to adjust the trigger on a child partition that doesn't have it.
", "text": "Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables (Álvaro Herrera, Amit Langote) § § In certain cases, a “trigger does not exist” failure would occur because the command would try to adjust the trigger on a child partition that doesn't have it.", "title": "Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables", "commits": ["4ad4c1f41", "6e7b37264"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.12/#id-1.11.6.16.5", "source_hash": "50a4ce7b2d0297cef68a574610a9bf7b380f03320c087192c80ae39d2e3e1b51", "section_path": ["Changes"], "commit_groups": [["4ad4c1f41", "6d9481cd0", "90a4b6413", "91130dd31", "aa242501a", "d2a74621e"], ["6e7b37264", "731d514ae", "ab8556630", "ce8e06652", "e78fd9084", "ec0925c22"]], "identity_text": "Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables (Álvaro Herrera, Amit Langote) In certain cases, a trigger does not exist failure would occur because the command would try to adjust the trigger on a child partition that doesn't have it.", "commit_aliases": ["4ad4c1f41", "6d9481cd0", "6e7b37264", "731d514ae", "90a4b6413", "91130dd31", "aa242501a", "ab8556630", "ce8e06652", "d2a74621e", "e78fd9084", "ec0925c22"], "source_commits": ["4ad4c1f41", "6e7b37264"], "source_entry_id": "12.12/changes/009", "db_id": "bcf61d66120f95715cb98660b331cea7", "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59", "relations": [{"rule": 2, "type": "equivalent", "target": "049217effaf19616f9ce44e224370b1f", "evidence": {"same_day": true, "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59"}}, {"rule": 2, "type": "equivalent", "target": "73eecc7fffb3f0fe25fa654bc70daa66", "evidence": {"same_day": true, "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59"}}, {"rule": 2, "type": "equivalent", "target": "faaee224f65007488a807f2a7bf38ef3", "evidence": {"same_day": true, "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59"}}], "version": "12.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "faaee224f65007488a807f2a7bf38ef3", "kind": "equivalent", "version": "14.5", "label": "14.5", "title": "Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables", "evidence": {"same_day": true, "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59"}, "url": "/docs/compare/?release=14.5#14.5-3011899c689b6e94", "source_url": "/docs/release/14.5/#id-1.11.6.25.5"}, {"db_id": "049217effaf19616f9ce44e224370b1f", "kind": "equivalent", "version": "13.8", "label": "13.8", "title": "Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables", "evidence": {"same_day": true, "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59"}, "url": "/docs/compare/?release=13.8#13.8-8ce78c2bde44ee24", "source_url": "/docs/release/13.8/#id-1.11.6.21.5"}, {"db_id": "73eecc7fffb3f0fe25fa654bc70daa66", "kind": "equivalent", "version": "11.17", "label": "11.17", "title": "Fix ALTER TABLE ... ENABLE/DISABLE TRIGGER to handle recursion correctly for triggers on partitioned tables", "evidence": {"same_day": true, "patch_ids": ["39076a15459c2caebb81674e5f419414", "402b78ae7db53d9c9bce8f503bc7fbf1"], "statement_hash": "4c50215e18cf01f9408632bd107c68d3569f77acdf8c2a5253295e5517664e59"}, "url": "/docs/compare/?release=11.17#11.17-4298bd75cb3859ce", "source_url": "/docs/release/11.17/#id-1.11.6.10.5"}]}, {"id": "12.12-63408f2218a0c7cf", "cves": [], "html": "Improve syntax error messages for type jsonpath (Andrew Dunstan) §
Prevent pg_stat_get_subscription() from possibly returning an extra row containing garbage values (Kuntal Ghosh) §
Ensure that pg_stop_backup() cleans up session state properly (Fujii Masao) §
This omission could lead to assertion failures or crashes later in the session.
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In corner cases, a misleading error could be reported.
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This oversight could lead to dump/reload or pg_upgrade failures, as the dumped view would have too many column aliases for the function.
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\nIf CREATE OPERATOR CLASS results in the implicit creation of an operator family, that object was not reported to event triggers that should capture such events.
Fix control file updates made when a restartpoint is running during promotion of a standby server (Kyotaro Horiguchi) §
\nPreviously, when the restartpoint completed it could incorrectly update the last-checkpoint fields of the control file, potentially leading to PANIC and failure to restart if the server crashes before the next normal checkpoint completes.
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Fix erroneous assertion checks in shared hashtable management (Thomas Munro) §
", "text": "Fix erroneous assertion checks in shared hashtable management (Thomas Munro) §", "title": "Fix erroneous assertion checks in shared hashtable management", "commits": ["4f88dbac2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.12/#id-1.11.6.16.5", "source_hash": "e5a95e30def775bc8b356cef8f4e45148a40ac845e4423f68ebe225c10745db3", "section_path": ["Changes"], "commit_groups": [["4f88dbac2", "53df1e28d", "5e7608e81", "7cdd0c2d7", "cd26139a3", "eed959a45"]], "identity_text": "Fix erroneous assertion checks in shared hashtable management (Thomas Munro)", "commit_aliases": ["4f88dbac2", "53df1e28d", "5e7608e81", "7cdd0c2d7", "cd26139a3", "eed959a45"], "source_commits": ["4f88dbac2"], "source_entry_id": "12.12/changes/026", "db_id": "bd1f5175935214421f392fe00d34300c", "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674", "relations": [{"rule": 2, "type": "equivalent", "target": "4b8e56a817dba1a8e89b8c85fa676440", "evidence": {"same_day": true, "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674"}}, {"rule": 2, "type": "equivalent", "target": "53e2c0f64c6a1e0b8a484cf8159e16f9", "evidence": {"same_day": true, "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674"}}, {"rule": 2, "type": "equivalent", "target": "8c2b3266b36bfc38f3a68b530b103ccd", "evidence": {"same_day": true, "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674"}}], "version": "12.12", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8c2b3266b36bfc38f3a68b530b103ccd", "kind": "equivalent", "version": "14.5", "label": "14.5", "title": "Fix erroneous assertion checks in shared hashtable management", "evidence": {"same_day": true, "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674"}, "url": "/docs/compare/?release=14.5#14.5-c1cf7e181dfe5824", "source_url": "/docs/release/14.5/#id-1.11.6.25.5"}, {"db_id": "4b8e56a817dba1a8e89b8c85fa676440", "kind": "equivalent", "version": "13.8", "label": "13.8", "title": "Fix erroneous assertion checks in shared hashtable management", "evidence": {"same_day": true, "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674"}, "url": "/docs/compare/?release=13.8#13.8-ac4fa795705798e0", "source_url": "/docs/release/13.8/#id-1.11.6.21.5"}, {"db_id": "53e2c0f64c6a1e0b8a484cf8159e16f9", "kind": "equivalent", "version": "11.17", "label": "11.17", "title": "Fix erroneous assertion checks in shared hashtable management", "evidence": {"same_day": true, "patch_ids": ["bb4de33b3d83d4e3d8554acd4082734d"], "statement_hash": "b30bb46ecf1383660549a7273a4d736b860f47944d3b879cfe1ce9476ec6f674"}, "url": "/docs/compare/?release=11.17#11.17-0b4b863cc5f8a688", "source_url": "/docs/release/11.17/#id-1.11.6.10.5"}]}, {"id": "12.12-a333e7979fea0ee2", "cves": [], "html": "Arrange to clean up after commit-time errors within SPI_commit(), rather than expecting callers to do that (Peter Eisentraut, Tom Lane) § §
Proper cleanup is complicated and requires use of low-level facilities, so it's not surprising that no known caller got it right. This led to misbehaviors when a PL procedure issued COMMIT but a failure occurred (such as a deferred constraint check). To improve matters, redefine SPI_commit() as starting a new transaction, so that it becomes equivalent to SPI_commit_and_chain() except that you get default transaction characteristics instead of preserving the prior transaction's characteristics. To make this somewhat transparent API-wise, redefine SPI_start_transaction() as a no-op. All known callers of SPI_commit() immediately call SPI_start_transaction(), so they will not notice any change. Similar remarks apply to SPI_rollback().
Also fix PL/Python, which omitted any handling of such errors at all, resulting in jumping out of the Python interpreter. This is reported to crash Python 3.11. Older Python releases leak some memory but seem okay with it otherwise.
", "text": "Arrange to clean up after commit-time errors within SPI_commit(), rather than expecting callers to do that (Peter Eisentraut, Tom Lane) § § Proper cleanup is complicated and requires use of low-level facilities, so it's not surprising that no known caller got it right. This led to misbehaviors when a PL procedure issued COMMIT but a failure occurred (such as a deferred constraint check). To improve matters, redefine SPI_commit() as starting a new transaction, so that it becomes equivalent to SPI_commit_and_chain() except that you get default transaction characteristics instead of preserving the prior transaction's characteristics. To make this somewhat transparent API-wise, redefine SPI_start_transaction() as a no-op. All known callers of SPI_commit() immediately call SPI_start_transaction(), so they will not notice any change. Similar remarks apply to SPI_rollback(). Also fix PL/Python, which omitted any handling of such errors at all, resulting in jumping out of the Python interpreter. This is reported to crash Python 3.11. Older Python releases leak some memory but seem okay with it otherwise.", "title": "Arrange to clean up after commit-time errors within SPI_commit(), rather than expecting callers to do that", "commits": ["293f5c5f4", "9af9e2094"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.12/#id-1.11.6.16.5", "source_hash": "cf9543e94819c29f452b2007e19740a56719aaa0260d1832e56a5e17ca294bd2", "section_path": ["Changes"], "commit_groups": [["293f5c5f4", "2f6b8c287", "604651880", "cfc86f987"], ["6d61aef5d", "8657946d3", "9af9e2094", "b2c8d5661"]], "identity_text": "Arrange to clean up after commit-time errors within SPI_commit(), rather than expecting callers to do that (Peter Eisentraut, Tom Lane) Proper cleanup is complicated and requires use of low-level facilities, so it's not surprising that no known caller got it right. This led to misbehaviors when a PL procedure issued COMMIT but a failure occurred (such as a deferred constraint check). To improve matters, redefine SPI_commit() as starting a new transaction, so that it becomes equivalent to SPI_commit_and_chain() except that you get default transaction characteristics instead of preserving the prior transaction's characteristics. To make this somewhat transparent API-wise, redefine SPI_start_transaction() as a no-op. All known callers of SPI_commit() immediately call SPI_start_transaction(), so they will not notice any change. Similar remarks apply to SPI_rollback(). Also fix PL/Python, which omitted any handling of such errors at all, resulting in jumping out of the Python interpreter. This is reported to crash Python 3.11. 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\nIn the previous minor releases, we copied the server's permission checking rules for SSL private key files into libpq. But we should not have also copied the server's file-ownership check. While that works in normal use-cases, it can result in an unexpected failure for clients running as root, and perhaps in other cases.
", "text": "Remove misguided SSL key file ownership check in libpq (Tom Lane) § In the previous minor releases, we copied the server's permission checking rules for SSL private key files into libpq. But we should not have also copied the server's file-ownership check. While that works in normal use-cases, it can result in an unexpected failure for clients running as root, and perhaps in other cases.", "title": "Remove misguided SSL key file ownership check in libpq", "commits": ["01ab9fb7d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.12/#id-1.11.6.16.5", "source_hash": "5c22af6fd086d4f0b51401c86fcd21f5acb3ac68bef0c9b4541c87d1899a0f62", "section_path": ["Changes"], "commit_groups": [["01ab9fb7d", "2b65de7fc", "9e3dbc6fd", "a44bc8b8f", "b4be4a082", "ef54a6576"]], "identity_text": "Remove misguided SSL key file ownership check in libpq (Tom Lane) In the previous minor releases, we copied the server's permission checking rules for SSL private key files into libpq. But we should not have also copied the server's file-ownership check. While that works in normal use-cases, it can result in an unexpected failure for clients running as root, and perhaps in other cases.", "commit_aliases": ["01ab9fb7d", "2b65de7fc", "9e3dbc6fd", "a44bc8b8f", "b4be4a082", "ef54a6576"], "source_commits": ["01ab9fb7d"], "source_entry_id": "12.12/changes/028", "db_id": "808ddcf7300d73cfc75141bd60205968", "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23", "relations": [{"rule": 2, "type": "equivalent", "target": "6dca87110e704a26bb818967b4bcc868", "evidence": {"same_day": true, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}}, {"rule": 2, "type": "equivalent", "target": "87ec4dfcaa656b77e208e62fae117396", "evidence": {"same_day": false, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}}, {"rule": 2, "type": "equivalent", "target": "c32010b470a422cb9cab4ab6ba21e2e3", "evidence": {"same_day": true, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}}, {"rule": 2, "type": "equivalent", "target": "e0fda3fa1fd5bd65ff3880d496bda2dd", "evidence": {"same_day": true, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}}], "version": "12.12", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "87ec4dfcaa656b77e208e62fae117396", "kind": "equivalent", "version": "14.4", "label": "14.4", "title": "Remove misguided SSL key file ownership check in libpq", "evidence": {"same_day": false, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}, "url": "/docs/compare/?release=14.4#14.4-5b6e2d7df84f87be", "source_url": "/docs/release/14.4/#id-1.11.6.26.5"}, {"db_id": "c32010b470a422cb9cab4ab6ba21e2e3", "kind": "equivalent", "version": "13.8", "label": "13.8", "title": "Remove misguided SSL key file ownership check in libpq", "evidence": {"same_day": true, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}, "url": "/docs/compare/?release=13.8#13.8-a41827c9671df1a0", "source_url": "/docs/release/13.8/#id-1.11.6.21.5"}, {"db_id": "e0fda3fa1fd5bd65ff3880d496bda2dd", "kind": "equivalent", "version": "11.17", "label": "11.17", "title": "Remove misguided SSL key file ownership check in libpq", "evidence": {"same_day": true, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}, "url": "/docs/compare/?release=11.17#11.17-0c537256f5802891", "source_url": "/docs/release/11.17/#id-1.11.6.10.5"}, {"db_id": "6dca87110e704a26bb818967b4bcc868", "kind": "equivalent", "version": "10.22", "label": "10.22", "title": "Remove misguided SSL key file ownership check in libpq", "evidence": {"same_day": true, "patch_ids": ["d8dd8878b155405be50eb1d29fe2e356"], "statement_hash": "e3197a87e285933376cb8fce81898e45702089915329ddeeb22e41d441233a23"}, "url": "/docs/compare/?release=10.22#10.22-0c537256f5802891", "source_url": "/docs/release/10.22/#id-1.11.6.6.6"}]}, {"id": "12.12-f9009fa3cb561e5a", "cves": [], "html": "Ensure ecpg reports server connection loss sanely (Tom Lane) §
\nMisprocessing of a libpq-generated error result, such as a report of lost connection, would lead to printing “(null)” instead of a useful error message; or in older releases it would lead to a crash.
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\nCertain operations such as EXEC SQL PREPARE would crash (rather than reporting an error as expected) if called before establishing any database connection.
In ecpglib, avoid redundant newlocale() calls (Noah Misch) § §
Allocate a C locale object once per process when first connecting, rather than creating and freeing locale objects once per query. This mitigates a libc memory leak on AIX, and may offer some performance benefit everywhere.
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A user having permission to create non-temporary objects within a database could define an object that would execute arbitrary SQL code with superuser permissions the next time that autovacuum processed the object, or that some superuser ran one of the affected commands against it. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2022-1552)", "commit_aliases": ["0abc1a059", "34ff15660", "35edcc0ce", "48ca2904c", "677a49478", "7f098f7b5", "880511cb0", "88743d581", "a117cebd6", "ab49ce7c3", "ef792f785", "f26d57028"], "source_commits": ["7f098f7b5", "880511cb0"], "source_entry_id": "12.11/changes/001", "db_id": "aae3e4d08f49bbe829bd6f85df92c72f", "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93", "relations": [{"rule": 2, "type": "equivalent", "target": "1ac54926400c94d0acb3b2bb0d1cb714", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}}, {"rule": 2, "type": "equivalent", "target": "670752f6faecb1221ddd1f4e1948ef86", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}}, {"rule": 2, "type": "equivalent", "target": "7c535db7e63d3466361dd5ae7cb611e7", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}}, {"rule": 2, "type": "equivalent", "target": "a5b83ef3758e795df0c7a6b30e6a53c7", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}}], "version": "12.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "7c535db7e63d3466361dd5ae7cb611e7", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Confine additional operations within “security restricted operation” sandboxes", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}, "url": "/docs/compare/?release=14.3#14.3-a23393de94e369b8", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "a5b83ef3758e795df0c7a6b30e6a53c7", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Confine additional operations within “security restricted operation” sandboxes", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}, "url": "/docs/compare/?release=13.7#13.7-7c751a4817cbcd26", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "670752f6faecb1221ddd1f4e1948ef86", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Confine additional operations within “security restricted operation” sandboxes", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}, "url": "/docs/compare/?release=11.16#11.16-be04a56eb411086e", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "1ac54926400c94d0acb3b2bb0d1cb714", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Confine additional operations within “security restricted operation” sandboxes", "evidence": {"same_day": true, "patch_ids": ["30beed43c541f07f5687c6a461848d9b", "89023da045b10033fa8ce30b0b27a2d9"], "statement_hash": "e96f9d058511f8acf5b59744b34caebec829f29fa7411d4c5b3636fdde9a5e93"}, "url": "/docs/compare/?release=10.21#10.21-be04a56eb411086e", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-2c6dd5678610603a", "cves": [], "html": "Stop using query-provided column aliases for the columns of whole-row variables that refer to plain tables (Tom Lane) §
\nThe column names in tuples produced by a whole-row variable (such as tbl.* in contexts other than the top level of a SELECT list) are now always those of the associated named composite type, if there is one. We'd previously attempted to make them track any column aliases that had been applied to the FROM entry the variable refers to. But that's semantically dubious, because really then the output of the variable is not at all of the composite type it claims to be. Previous attempts to deal with that inconsistency had bad results up to and including storing unreadable data on disk, so just give up on the whole idea.
In cases where it's important to be able to relabel such columns, a workaround is to introduce an extra level of sub-SELECT, so that the whole-row variable is referring to the sub-SELECT's output and not to a plain table. Then the variable is of type record to begin with and there's no issue.
Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions (Renan Soares Lopes) §
The xmlschema output for these types included a malformed regular expression.
", "text": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions (Renan Soares Lopes) § The xmlschema output for these types included a malformed regular expression.", "title": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions", "commits": ["840729fd1"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "ec2830692b2dc409836eeef4141b22fb83b8a4ed4f13612dae7126cc41787c2c", "section_path": ["Changes"], "commit_groups": [["068739fb4", "840729fd1", "84f3ecdaa", "88ae77588", "ae8ec7feb", "e6fd4a3da"]], "identity_text": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions (Renan Soares Lopes) The xmlschema output for these types included a malformed regular expression.", "commit_aliases": ["068739fb4", "840729fd1", "84f3ecdaa", "88ae77588", "ae8ec7feb", "e6fd4a3da"], "source_commits": ["840729fd1"], "source_entry_id": "12.11/changes/003", "db_id": "cc636bb0e6243df1c5f2fca898a67312", "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766", "relations": [{"rule": 2, "type": "equivalent", "target": "8431c7c2370d34325416722917ede31c", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}}, {"rule": 2, "type": "equivalent", "target": "a13f3240245934b132260a24490e7277", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}}, {"rule": 2, "type": "equivalent", "target": "d8f0644985f5ea7f13e738a7c833da64", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}}, {"rule": 2, "type": "equivalent", "target": "de93d3abf896b187c9efb28d02ee9afa", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d8f0644985f5ea7f13e738a7c833da64", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}, "url": "/docs/compare/?release=14.3#14.3-ddd5fbca25fa8477", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "a13f3240245934b132260a24490e7277", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}, "url": "/docs/compare/?release=13.7#13.7-f23c634fbff6a135", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "8431c7c2370d34325416722917ede31c", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}, "url": "/docs/compare/?release=11.16#11.16-759b3ea171acc0a4", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "de93d3abf896b187c9efb28d02ee9afa", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions", "evidence": {"same_day": true, "patch_ids": ["ee3fa63ff0f53ff1e2df3d279ace5e53"], "statement_hash": "0b698a0060535155a18203271ac4d82a836a6e3b5b7f1b6c0110098f6882c766"}, "url": "/docs/compare/?release=10.21#10.21-759b3ea171acc0a4", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-bbda885258fb1bdf", "cves": [], "html": "Avoid core dump in parser for a VALUES clause with zero columns (Tom Lane) §
Fix planner errors for GROUPING() constructs that reference outer query levels (Richard Guo, Tom Lane) §
Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns (Tom Lane) §
\nThe previous coding could try to read non-returnable columns in addition to the returnable ones. This was fairly harmless because it didn't actually do anything with the bogus values, but it fell foul of a recently-added error check that rejected such a plan.
", "text": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns (Tom Lane) § The previous coding could try to read non-returnable columns in addition to the returnable ones. This was fairly harmless because it didn't actually do anything with the bogus values, but it fell foul of a recently-added error check that rejected such a plan.", "title": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns", "commits": ["32e801676"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "ae17ead468ee0173524b4dccb46d4329d8576bd7200009fbb304846b77007795", "section_path": ["Changes"], "commit_groups": [["0778b24ce", "14ee565f3", "277e744ae", "32e801676", "b6f869bee", "e5691cc91"]], "identity_text": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns (Tom Lane) The previous coding could try to read non-returnable columns in addition to the returnable ones. This was fairly harmless because it didn't actually do anything with the bogus values, but it fell foul of a recently-added error check that rejected such a plan.", "commit_aliases": ["0778b24ce", "14ee565f3", "277e744ae", "32e801676", "b6f869bee", "e5691cc91"], "source_commits": ["32e801676"], "source_entry_id": "12.11/changes/006", "db_id": "4f83aeb5cff810bc4a104b3a0c9f2ac4", "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372", "relations": [{"rule": 2, "type": "equivalent", "target": "1b0812852c836d4e66b06f7612514190", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}}, {"rule": 2, "type": "equivalent", "target": "27a8bf4c09c5ea2d76fb7f98c7ccd2b2", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}}, {"rule": 2, "type": "equivalent", "target": "8706c720624356138c9ddaea3cb34215", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}}, {"rule": 2, "type": "equivalent", "target": "e9ad0f812c136b8ccc25549130b5b91b", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "27a8bf4c09c5ea2d76fb7f98c7ccd2b2", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}, "url": "/docs/compare/?release=14.3#14.3-489835e8667c2fae", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "8706c720624356138c9ddaea3cb34215", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}, "url": "/docs/compare/?release=13.7#13.7-15f44c8cc63b0578", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "1b0812852c836d4e66b06f7612514190", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}, "url": "/docs/compare/?release=11.16#11.16-1fa029d92af3adf5", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "e9ad0f812c136b8ccc25549130b5b91b", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns", "evidence": {"same_day": true, "patch_ids": ["f05f0c5d161778c651730b867834ad6c"], "statement_hash": "69c32c07229c0c53698643c37d964f6d7d84daacf3ea8868714c94195b9ba372"}, "url": "/docs/compare/?release=10.21#10.21-1fa029d92af3adf5", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-4cfde300fbe83c9c", "cves": [], "html": "Avoid accessing a no-longer-pinned shared buffer while attempting to lock an outdated tuple during EvalPlanQual (Tom Lane) §
\nThe code would touch the buffer a couple more times after releasing its pin. In theory another process could recycle the buffer (or more likely, try to defragment its free space) as soon as the pin is gone, probably leading to failure to find the newer version of the tuple.
", "text": "Avoid accessing a no-longer-pinned shared buffer while attempting to lock an outdated tuple during EvalPlanQual (Tom Lane) § The code would touch the buffer a couple more times after releasing its pin. In theory another process could recycle the buffer (or more likely, try to defragment its free space) as soon as the pin is gone, probably leading to failure to find the newer version of the tuple.", "title": "Avoid accessing a no-longer-pinned shared buffer while attempting to lock an outdated tuple during EvalPlanQual", "commits": ["e0ed20d0b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "02138f16d88aaba0075a3041cbcd7b92ee4018da4d3ed532cee98c17c201e8cf", "section_path": ["Changes"], "commit_groups": [["44096c31e", "7b7ed046c", "c590e514a", "e0ed20d0b"]], "identity_text": "Avoid accessing a no-longer-pinned shared buffer while attempting to lock an outdated tuple during EvalPlanQual (Tom Lane) The code would touch the buffer a couple more times after releasing its pin. In theory another process could recycle the buffer (or more likely, try to defragment its free space) as soon as the pin is gone, probably leading to failure to find the newer version of the tuple.", "commit_aliases": ["44096c31e", "7b7ed046c", "c590e514a", "e0ed20d0b"], "source_commits": ["e0ed20d0b"], "source_entry_id": "12.11/changes/007", "db_id": "4afaf7cea38a16b9514e5c3df614b073", "patch_ids": ["963dc8bca8c81b58484406954f1264a3"], "statement_hash": "d79e2936778e835c2173199b788d8c0beefe8c8838af3d8acb671ae5c690235c", "relations": [{"rule": 2, "type": "equivalent", "target": "4f7eb15e2bfaffd2e80fdc412d38692f", "evidence": {"same_day": true, "patch_ids": ["963dc8bca8c81b58484406954f1264a3"], "statement_hash": "d79e2936778e835c2173199b788d8c0beefe8c8838af3d8acb671ae5c690235c"}}, {"rule": 2, "type": "equivalent", "target": "bceb364ad0e7e97713f78c0cbef3aa20", "evidence": {"same_day": true, "patch_ids": ["963dc8bca8c81b58484406954f1264a3"], "statement_hash": "d79e2936778e835c2173199b788d8c0beefe8c8838af3d8acb671ae5c690235c"}}], "version": "12.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "bceb364ad0e7e97713f78c0cbef3aa20", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Avoid accessing a no-longer-pinned shared buffer while attempting to lock an outdated tuple during EvalPlanQual", "evidence": {"same_day": true, "patch_ids": ["963dc8bca8c81b58484406954f1264a3"], "statement_hash": "d79e2936778e835c2173199b788d8c0beefe8c8838af3d8acb671ae5c690235c"}, "url": "/docs/compare/?release=14.3#14.3-c09fbe521f15ebe6", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "4f7eb15e2bfaffd2e80fdc412d38692f", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Avoid accessing a no-longer-pinned shared buffer while attempting to lock an outdated tuple during EvalPlanQual", "evidence": {"same_day": true, "patch_ids": ["963dc8bca8c81b58484406954f1264a3"], "statement_hash": "d79e2936778e835c2173199b788d8c0beefe8c8838af3d8acb671ae5c690235c"}, "url": "/docs/compare/?release=13.7#13.7-8f9979f60c3d2998", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}]}, {"id": "12.11-eb0eaa83057dd926", "cves": [], "html": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering (Aliaksandr Kalenik) §
", "text": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering (Aliaksandr Kalenik) §", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "commits": ["7a12a9e3c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "41cbf610f8f17db0eaed4fbf729275a6259e069207749f29d64fa2f4dcf0cd79", "section_path": ["Changes"], "commit_groups": [["0d554775b", "2e9033a54", "3f74daa8d", "7a12a9e3c", "ac2303aa0", "c76665edc"]], "identity_text": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering (Aliaksandr Kalenik)", "commit_aliases": ["0d554775b", "2e9033a54", "3f74daa8d", "7a12a9e3c", "ac2303aa0", "c76665edc"], "source_commits": ["7a12a9e3c"], "source_entry_id": "12.11/changes/008", "db_id": "5e20fe6d76ddabf53f4be2f89d20e818", "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c", "relations": [{"rule": 2, "type": "equivalent", "target": "67e54ee90f61b5ba4f10c442bccd81e7", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}, {"rule": 2, "type": "equivalent", "target": "8b428e03a852b24df2398da6fce496f9", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}, {"rule": 2, "type": "equivalent", "target": "c4dc002e8eff145c0a822b7c88deaea8", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}, {"rule": 2, "type": "equivalent", "target": "e754f05172c47425f13728c730c2b6cb", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "67e54ee90f61b5ba4f10c442bccd81e7", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=14.3#14.3-88ea6eb77fb41d9d", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "e754f05172c47425f13728c730c2b6cb", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=13.7#13.7-eea350e990077f35", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "c4dc002e8eff145c0a822b7c88deaea8", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=11.16#11.16-863893d1401fceb9", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "8b428e03a852b24df2398da6fce496f9", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=10.21#10.21-863893d1401fceb9", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-3ae4483938d0c9be", "cves": [], "html": "Fix ALTER FUNCTION to support changing a function's parallelism property and its SET-variable list in the same command (Tom Lane) §
The parallelism property change was lost if the same command also updated the function's SET clause.
Fix bogus errors from attempts to alter system columns of tables (Tom Lane) §
\nThe system should just tell you that you can't do it, but sometimes it would report “no owned sequence found” instead.
", "text": "Fix bogus errors from attempts to alter system columns of tables (Tom Lane) § The system should just tell you that you can't do it, but sometimes it would report “no owned sequence found” instead.", "title": "Fix bogus errors from attempts to alter system columns of tables", "commits": ["0795da869"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "fa7d79fc33ceba386d253ede63513e7ce05cf16c8e5e2c0499531b8cbeb5eab9", "section_path": ["Changes"], "commit_groups": [["0795da869", "36d4efe77", "69cefb3fb", "e805735a8"]], "identity_text": "Fix bogus errors from attempts to alter system columns of tables (Tom Lane) The system should just tell you that you can't do it, but sometimes it would report no owned sequence found instead.", "commit_aliases": ["0795da869", "36d4efe77", "69cefb3fb", "e805735a8"], "source_commits": ["0795da869"], "source_entry_id": "12.11/changes/010", "db_id": "69809cbbfc46c5af9e9e182495de80b7", "patch_ids": ["0075b415ba109a42ad865648b0098e59"], "statement_hash": "6cf37fb43592f2d2cb84f8007ecf1bc131f42d95ba2767fee76006369ef13f7d", "relations": [{"rule": 2, "type": "equivalent", "target": "ef9e1f537e8d284e574236fa072b7fe6", "evidence": {"same_day": true, "patch_ids": ["0075b415ba109a42ad865648b0098e59"], "statement_hash": "6cf37fb43592f2d2cb84f8007ecf1bc131f42d95ba2767fee76006369ef13f7d"}}, {"rule": 2, "type": "equivalent", "target": "f2304ea8823d7d4619678c05992a0c42", "evidence": {"same_day": true, "patch_ids": ["0075b415ba109a42ad865648b0098e59"], "statement_hash": "6cf37fb43592f2d2cb84f8007ecf1bc131f42d95ba2767fee76006369ef13f7d"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "f2304ea8823d7d4619678c05992a0c42", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix bogus errors from attempts to alter system columns of tables", "evidence": {"same_day": true, "patch_ids": ["0075b415ba109a42ad865648b0098e59"], "statement_hash": "6cf37fb43592f2d2cb84f8007ecf1bc131f42d95ba2767fee76006369ef13f7d"}, "url": "/docs/compare/?release=14.3#14.3-d0f336bd4c6ec2b5", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "ef9e1f537e8d284e574236fa072b7fe6", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix bogus errors from attempts to alter system columns of tables", "evidence": {"same_day": true, "patch_ids": ["0075b415ba109a42ad865648b0098e59"], "statement_hash": "6cf37fb43592f2d2cb84f8007ecf1bc131f42d95ba2767fee76006369ef13f7d"}, "url": "/docs/compare/?release=13.7#13.7-1d330498de481aed", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}]}, {"id": "12.11-a09e04543c50e358", "cves": [], "html": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression (Peter Geoghegan, Thomas Munro) §
The table would be rebuilt with the correct data, but in an order having little to do with the index order.
", "text": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression (Peter Geoghegan, Thomas Munro) § The table would be rebuilt with the correct data, but in an order having little to do with the index order.", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "commits": ["5487585e3"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "7096d977da0e480c41dbb91e10bfc46eaa7817ec807e89b37710139b4e367ba4", "section_path": ["Changes"], "commit_groups": [["1272630a2", "5487585e3", "8ab0ebb9a", "a903895b3", "adb2d84fc", "e4521841a"]], "identity_text": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression (Peter Geoghegan, Thomas Munro) The table would be rebuilt with the correct data, but in an order having little to do with the index order.", "commit_aliases": ["1272630a2", "5487585e3", "8ab0ebb9a", "a903895b3", "adb2d84fc", "e4521841a"], "source_commits": ["5487585e3"], "source_entry_id": "12.11/changes/011", "db_id": "18154cd75fda1ba65fa17913f5ebe458", "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca", "relations": [{"rule": 2, "type": "equivalent", "target": "00d8cc4d2df09875b843bd1510c7912c", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}, {"rule": 2, "type": "equivalent", "target": "12527d4d3cfb55406276951c18a2d33e", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}, {"rule": 2, "type": "equivalent", "target": "9ef5206aa477e4189e0fc1416397a897", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}, {"rule": 2, "type": "equivalent", "target": "eeadfde9c6478270c9cc562840a40f6b", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9ef5206aa477e4189e0fc1416397a897", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=14.3#14.3-2c8715e3c1588e6b", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "eeadfde9c6478270c9cc562840a40f6b", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=13.7#13.7-c19c6dc51403a951", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "12527d4d3cfb55406276951c18a2d33e", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=11.16#11.16-b4eacb4bfb1c77f3", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "00d8cc4d2df09875b843bd1510c7912c", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=10.21#10.21-b4eacb4bfb1c77f3", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-c439dbedaacb94fd", "cves": [], "html": "Fix risk of deadlock failures while dropping a partitioned index (Jimmy Yih, Gaurab Dey, Tom Lane) §
\nEnsure that the required table and index locks are taken in the standard order (parents before children, tables before indexes). The previous coding for DROP INDEX did it differently, and so could deadlock against concurrent queries taking these locks in the standard order.
Fix race condition between DROP TABLESPACE and checkpointing (Nathan Bossart) §
The checkpoint forced by DROP TABLESPACE could sometimes fail to remove all dead files from the tablespace's directory, leading to a bogus “tablespace is not empty” error.
Fix possible trouble in crash recovery after a TRUNCATE command that overlaps a checkpoint (Kyotaro Horiguchi, Heikki Linnakangas, Robert Haas) § §
TRUNCATE must ensure that the table's disk file is truncated before the checkpoint is allowed to complete. Otherwise, replay starting from that checkpoint might find unexpected data in the supposedly-removed pages, possibly causing replay failure.
Fix unsafe toast-data accesses during temporary object cleanup (Andres Freund) §
\nTemporary-object deletion during server process exit could fail with “FATAL: cannot fetch toast data without an active snapshot”. This was usually harmless since the next use of that temporary schema would clean up successfully.
", "text": "Fix unsafe toast-data accesses during temporary object cleanup (Andres Freund) § Temporary-object deletion during server process exit could fail with “FATAL: cannot fetch toast data without an active snapshot”. This was usually harmless since the next use of that temporary schema would clean up successfully.", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "commits": ["0033fc63f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "5ea625b0780b559c2d6c0b25537955b1029eb83e32eef213e8c8810b6f4f3251", "section_path": ["Changes"], "commit_groups": [["0033fc63f", "3faa21bb7", "7bbfe5994", "7c38ef2a5", "c2551483e", "cebc54b90"]], "identity_text": "Fix unsafe toast-data accesses during temporary object cleanup (Andres Freund) Temporary-object deletion during server process exit could fail with FATAL: cannot fetch toast data without an active snapshot. This was usually harmless since the next use of that temporary schema would clean up successfully.", "commit_aliases": ["0033fc63f", "3faa21bb7", "7bbfe5994", "7c38ef2a5", "c2551483e", "cebc54b90"], "source_commits": ["0033fc63f"], "source_entry_id": "12.11/changes/015", "db_id": "e09ae6f09ca06e58a50e74ead9e74406", "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f", "relations": [{"rule": 2, "type": "equivalent", "target": "032efc6442217e5375f6d528eb22bb61", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}, {"rule": 2, "type": "equivalent", "target": "1de9775a50fcc38cb20f848f22f0c990", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}, {"rule": 2, "type": "equivalent", "target": "7fe45e5fb801a18a0572d9b1f633fcfe", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}, {"rule": 2, "type": "equivalent", "target": "8a604d943f999d3621ddd702ae5361bd", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1de9775a50fcc38cb20f848f22f0c990", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=14.3#14.3-180c178af2d9ff42", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "7fe45e5fb801a18a0572d9b1f633fcfe", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=13.7#13.7-de75fc488eada203", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "032efc6442217e5375f6d528eb22bb61", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=11.16#11.16-f7d55d6e06eafd95", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "8a604d943f999d3621ddd702ae5361bd", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=10.21#10.21-f7d55d6e06eafd95", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-a4c5f5fded4ca26b", "cves": [], "html": "Improve wait logic in RegisterSyncRequest (Thomas Munro) §
\nIf we run out of space in the checkpointer sync request queue (which is hopefully rare on real systems, but is common when testing with a very small buffer pool), we wait for it to drain. While waiting, we should report that as a wait event so that users know what is going on, and also watch for postmaster death, since otherwise the loop might never terminate if the checkpointer has already exited.
", "text": "Improve wait logic in RegisterSyncRequest (Thomas Munro) § If we run out of space in the checkpointer sync request queue (which is hopefully rare on real systems, but is common when testing with a very small buffer pool), we wait for it to drain. While waiting, we should report that as a wait event so that users know what is going on, and also watch for postmaster death, since otherwise the loop might never terminate if the checkpointer has already exited.", "title": "Improve wait logic in RegisterSyncRequest", "commits": ["368ffdeee"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "1895ecc688d992399ae73d54cbfb3476df35d68d822d1894c0fb4d3b16b10de7", "section_path": ["Changes"], "commit_groups": [["1396b5c6e", "3390ef1b7", "368ffdeee", "cfdb303be"]], "identity_text": "Improve wait logic in RegisterSyncRequest (Thomas Munro) If we run out of space in the checkpointer sync request queue (which is hopefully rare on real systems, but is common when testing with a very small buffer pool), we wait for it to drain. While waiting, we should report that as a wait event so that users know what is going on, and also watch for postmaster death, since otherwise the loop might never terminate if the checkpointer has already exited.", "commit_aliases": ["1396b5c6e", "3390ef1b7", "368ffdeee", "cfdb303be"], "source_commits": ["368ffdeee"], "source_entry_id": "12.11/changes/016", "db_id": "665bdc3277aa51e51724742aecb12435", "patch_ids": ["46e0a416007f6b4cf10784401f9bb8c1"], "statement_hash": "6e15a12c633408194a7ef1ba841934d022706173260452535c1da77108e1c3ea", "relations": [{"rule": 2, "type": "equivalent", "target": "66edf7fd9bc7ac6ac3bf7370ef47246f", "evidence": {"same_day": true, "patch_ids": ["46e0a416007f6b4cf10784401f9bb8c1"], "statement_hash": "6e15a12c633408194a7ef1ba841934d022706173260452535c1da77108e1c3ea"}}, {"rule": 2, "type": "equivalent", "target": "bf212a65b2fd693ae19befc18338f6c1", "evidence": {"same_day": true, "patch_ids": ["46e0a416007f6b4cf10784401f9bb8c1"], "statement_hash": "6e15a12c633408194a7ef1ba841934d022706173260452535c1da77108e1c3ea"}}], "version": "12.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "66edf7fd9bc7ac6ac3bf7370ef47246f", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Improve wait logic in RegisterSyncRequest", "evidence": {"same_day": true, "patch_ids": ["46e0a416007f6b4cf10784401f9bb8c1"], "statement_hash": "6e15a12c633408194a7ef1ba841934d022706173260452535c1da77108e1c3ea"}, "url": "/docs/compare/?release=14.3#14.3-1f83e4ce172a5625", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "bf212a65b2fd693ae19befc18338f6c1", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Improve wait logic in RegisterSyncRequest", "evidence": {"same_day": true, "patch_ids": ["46e0a416007f6b4cf10784401f9bb8c1"], "statement_hash": "6e15a12c633408194a7ef1ba841934d022706173260452535c1da77108e1c3ea"}, "url": "/docs/compare/?release=13.7#13.7-68d39c4fa71c5adc", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}]}, {"id": "12.11-a981739bfb0bdb1f", "cves": [], "html": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record (Sami Imseih) §
", "text": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record (Sami Imseih) §", "title": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record", "commits": ["c714ebd0e"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "5352917f22376581456aeeda2a4497beb82c75c232afd64905837adc38429509", "section_path": ["Changes"], "commit_groups": [["199cd7b59", "98eb3e06c", "9ade3c09a", "9d92582ab", "c714ebd0e", "caaeb88ff"]], "identity_text": "Fix PANIC: xlog flush request is not satisfied failure during standby promotion when there is a missing WAL continuation record (Sami Imseih)", "commit_aliases": ["199cd7b59", "98eb3e06c", "9ade3c09a", "9d92582ab", "c714ebd0e", "caaeb88ff"], "source_commits": ["c714ebd0e"], "source_entry_id": "12.11/changes/017", "db_id": "584a81401b973825070db064f4c5ffed", "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553", "relations": [{"rule": 2, "type": "equivalent", "target": "4616f6f989728145ab6c6ddc011d81bd", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}}, {"rule": 2, "type": "equivalent", "target": "bf04d49f808aa1ddd6d6de22354000eb", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}}, {"rule": 2, "type": "equivalent", "target": "e912bf1a48b6907073e2fd8968bbc3a9", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}}, {"rule": 2, "type": "equivalent", "target": "efed42fc416ec8b749584b57596f52e1", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "efed42fc416ec8b749584b57596f52e1", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}, "url": "/docs/compare/?release=14.3#14.3-67de1df9ca9c590c", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "4616f6f989728145ab6c6ddc011d81bd", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}, "url": "/docs/compare/?release=13.7#13.7-f3fabf8f11d45a79", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "bf04d49f808aa1ddd6d6de22354000eb", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}, "url": "/docs/compare/?release=11.16#11.16-64c666717bb49df5", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "e912bf1a48b6907073e2fd8968bbc3a9", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record", "evidence": {"same_day": true, "patch_ids": ["d7366202c2ac6174b1562618eed0022c"], "statement_hash": "dec3ba5ab3cc03a148a8eb03d352a62214c1a3a2b0b6b184984ef06882a33553"}, "url": "/docs/compare/?release=10.21#10.21-64c666717bb49df5", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-d5cf271c00b45f44", "cves": [], "html": "Fix possibility of self-deadlock in hot standby conflict handling (Andres Freund) § § §
\nWith unlucky timing, the WAL-applying process could get stuck while waiting for some other process to release a buffer lock.
", "text": "Fix possibility of self-deadlock in hot standby conflict handling (Andres Freund) § § § With unlucky timing, the WAL-applying process could get stuck while waiting for some other process to release a buffer lock.", "title": "Fix possibility of self-deadlock in hot standby conflict handling", "commits": ["5c8b14a71", "a5ede1391", "edfc03ec9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "4f209dcb113cf06483fb08284f190e388ec7c6e2286b1d61d02d5658e93d9f00", "section_path": ["Changes"], "commit_groups": [["0446d3bf3", "25d5494e2", "a5ede1391", "b1f35a36e", "f74496dd6"], ["2adb8debe", "5ab8e8014", "5c8b14a71", "90abe1e17", "e8a0cf9b2"], ["57c5ad168", "8f1537d10", "9ab3b2bdb", "9cda785b4", "cbc47ad7e", "edfc03ec9"]], "identity_text": "Fix possibility of self-deadlock in hot standby conflict handling (Andres Freund) With unlucky timing, the WAL-applying process could get stuck while waiting for some other process to 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Fix behavior of libpq's PQisBusy() function after a connection failure (Tom Lane) §
If we'd detected a write failure, PQisBusy() would always return true, which is the wrong thing: we want input processing to carry on normally until we've read whatever is available from the server. The practical effect of this error is that applications using libpq's async-query API would typically detect connection loss only when PQconsumeInput() returns a hard failure. With this fix, a connection loss will normally be reported via an error PGresult object, which is a much cleaner behavior for most applications.
Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions (Tom Lane) §
\npg_ctl would verify that the postmaster is alive as a side-effect of sending the stop or promote signal, but then it just naively waited to see the on-disk state change. If the postmaster died uncleanly without having removed its PID file or updated the control file, pg_ctl would wait until timeout. Instead make it recheck every so often that the postmaster process is still there.
", "text": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions (Tom Lane) § pg_ctl would verify that the postmaster is alive as a side-effect of sending the stop or promote signal, but then it just naively waited to see the on-disk state change. If the postmaster died uncleanly without having removed its PID file or updated the control file, pg_ctl would wait until timeout. Instead make it recheck every so often that the postmaster process is still there.", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "commits": ["61c20a5ea"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "d318775e927856693cb1e875712aeca45107b72ddc0a6b1c494f37bc1b1669dc", "section_path": ["Changes"], "commit_groups": [["1e8c5cf7c", "34523933b", "61c20a5ea", "69cc15c31", "a745b9365", "d0e1fd958"]], "identity_text": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions (Tom Lane) pg_ctl would verify that the postmaster is alive as a side-effect of sending the stop or promote signal, but then it just naively waited to see the on-disk state change. If the postmaster died uncleanly without having removed its PID file or updated the control file, pg_ctl would wait until timeout. Instead make it recheck every so often that the postmaster process is still there.", "commit_aliases": ["1e8c5cf7c", "34523933b", "61c20a5ea", "69cc15c31", "a745b9365", "d0e1fd958"], "source_commits": ["61c20a5ea"], "source_entry_id": "12.11/changes/025", "db_id": "9bc45a590ac3fb2d68c48c532cc62b14", "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da", "relations": [{"rule": 2, "type": "equivalent", "target": "34e228fe7feaf05f81e9c42f38121b9d", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}, {"rule": 2, "type": "equivalent", "target": "4dfa47cd00fd62c8e09003015eead70b", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}, {"rule": 2, "type": "equivalent", "target": "90cf21300bd071aadc57d55aebd19b4c", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}, {"rule": 2, "type": "equivalent", "target": "c7a94a5f0922f7af615dda1c9d643669", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}], "version": "12.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7a94a5f0922f7af615dda1c9d643669", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=14.3#14.3-d026366bb6adde15", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "4dfa47cd00fd62c8e09003015eead70b", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=13.7#13.7-c4dcfd3502a7107a", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "90cf21300bd071aadc57d55aebd19b4c", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=11.16#11.16-3835b2168126e4a6", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "34e228fe7feaf05f81e9c42f38121b9d", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=10.21#10.21-3835b2168126e4a6", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-5b5a77dca7d6b9d9", "cves": [], "html": "Fix error handling in pg_waldump (Kyotaro Horiguchi, Andres Freund) § §
\nWhile trying to read a WAL file to determine the WAL segment size, pg_waldump would report an incorrect error for the case of a too-short file. In addition, the file name reported in this and related error messages could be garbage.
", "text": "Fix error handling in pg_waldump (Kyotaro Horiguchi, Andres Freund) § § While trying to read a WAL file to determine the WAL segment size, pg_waldump would report an incorrect error for the case of a too-short file. In addition, the file name reported in this and related error messages could be garbage.", "title": "Fix error handling in pg_waldump", "commits": ["5407241a8", "5ebd262dc"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "08c5f1a936dfcc3856964a914a7f8d7a7a5510de40a98eff98ed4c8e9d1da27d", "section_path": ["Changes"], "commit_groups": [["0b1020a96", "51c341656", "5407241a8", "9ff7fd906", "cd83cb953"], ["264d28492", "344d89abf", "5ebd262dc", "6839aa7a6", "7d935bdf7"]], "identity_text": "Fix error handling in pg_waldump (Kyotaro Horiguchi, Andres Freund) While trying to read a WAL file to determine the WAL segment size, pg_waldump would report an incorrect error for the case of a too-short file. In addition, the file name reported in this and related error messages could be garbage.", "commit_aliases": ["0b1020a96", "264d28492", "344d89abf", "51c341656", "5407241a8", "5ebd262dc", "6839aa7a6", "7d935bdf7", "9ff7fd906", "cd83cb953"], "source_commits": ["5407241a8", "5ebd262dc"], "source_entry_id": "12.11/changes/026", "db_id": "719ec32d683fde3303b6e02d07e86839", "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413", "relations": [{"rule": 2, "type": "equivalent", "target": "867f2d88d0460a093fd991b9ce78ed56", "evidence": {"same_day": true, "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413"}}, {"rule": 2, "type": "equivalent", "target": "8721860a4d9262ff26da7fd8e4d4fa59", "evidence": {"same_day": true, "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413"}}, {"rule": 2, "type": "equivalent", "target": "f4eb8320018c5e6ac1be52a5970e77d6", "evidence": {"same_day": true, "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413"}}], "version": "12.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "867f2d88d0460a093fd991b9ce78ed56", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix error handling in pg_waldump", "evidence": {"same_day": true, "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413"}, "url": "/docs/compare/?release=14.3#14.3-d605260bcffbd76f", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "f4eb8320018c5e6ac1be52a5970e77d6", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix error handling in pg_waldump", "evidence": {"same_day": true, "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413"}, "url": "/docs/compare/?release=13.7#13.7-014395f2752bce59", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "8721860a4d9262ff26da7fd8e4d4fa59", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix error handling in pg_waldump", "evidence": {"same_day": true, "patch_ids": ["095b1d385e0e0816c29d0898b5f49da3", "1065a2b8ff3c053438c283781c258fad"], "statement_hash": "1aa4730866ec2f79ebc8e6357544c58ea0603bed69bcd00ef417c5e93b08b413"}, "url": "/docs/compare/?release=11.16#11.16-48ac2b57ea880a41", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}]}, {"id": "12.11-7ceeb7a6a550aad4", "cves": [], "html": "Ensure that contrib/pageinspect functions cope with all-zero pages (Michael Paquier) §
This is a legitimate edge case, but the module was mostly unprepared for it. Arrange to return nulls, or no rows, as appropriate; that seems more useful than raising an error.
", "text": "Ensure that contrib/pageinspect functions cope with all-zero pages (Michael Paquier) § This is a legitimate edge case, but the module was mostly unprepared for it. Arrange to return nulls, or no rows, as appropriate; that seems more useful than raising an error.", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "commits": ["5378d55cb"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.11/#id-1.11.6.17.5", "source_hash": "d77cda9072b93c883ca690845e5270296e8ef6d252014b7a300fac18236bffeb", "section_path": ["Changes"], "commit_groups": [["12d32b7bc", "2275d044d", "5378d55cb", "79fed072b", "cd4868a57", "df6bbe73b"]], "identity_text": "Ensure that contrib/pageinspect functions cope with all-zero pages (Michael Paquier) This is a legitimate edge case, but the module was mostly unprepared for it. Arrange to return nulls, or no rows, as appropriate; that seems more useful than raising an error.", "commit_aliases": ["12d32b7bc", "2275d044d", "5378d55cb", "79fed072b", "cd4868a57", "df6bbe73b"], "source_commits": ["5378d55cb"], "source_entry_id": "12.11/changes/027", "db_id": "ac629facc0ab6d2ce561818a9622e876", "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14", "relations": [{"rule": 2, "type": "equivalent", "target": "6191ffd8e15d53d8989da3a4601b97f4", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}, {"rule": 2, "type": "equivalent", "target": "bfe0b6dd19d5cc9a5935136923c14453", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}, {"rule": 2, "type": "equivalent", "target": "e551302d98b39d821362609674fcc686", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}, {"rule": 2, "type": "equivalent", "target": "fa0abcafe43664b59c9c2d2232e9842f", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}], "version": "12.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "6191ffd8e15d53d8989da3a4601b97f4", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=14.3#14.3-73e8847f0bbbd8ec", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "bfe0b6dd19d5cc9a5935136923c14453", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=13.7#13.7-6a5b3a08c8e30123", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "fa0abcafe43664b59c9c2d2232e9842f", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=11.16#11.16-eef5cd7bb1384ae4", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}, {"db_id": "e551302d98b39d821362609674fcc686", "kind": "equivalent", "version": "10.21", "label": "10.21", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=10.21#10.21-eef5cd7bb1384ae4", "source_url": "/docs/release/10.21/#id-1.11.6.7.6"}]}, {"id": "12.11-517cbd25e017e26a", "cves": [], "html": "In contrib/pageinspect, add defenses against incorrect page “special space” contents, tighten checks for correct page size, and add some missing checks that an index is of the expected type (Michael Paquier, Justin Pryzby, Julien Rouhaud) § § §
These changes make it less likely that the module will crash on bad data.
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\nHowever, if you have applied REINDEX CONCURRENTLY to a TOAST table's index, or observe failures to access TOAST datums, see the first changelog entry below.
Also, if you are upgrading from a version earlier than 12.9, see Section E.14.
", "compatibility_count": 0, "label": "12.10", "status_label": "Historical", "eol": "2024-11-21", "age_days": 1692, "support_days": -677, "entries": [{"id": "12.10-c9ebdfc0dc626009", "cves": [], "html": "Enforce standard locking protocol for TOAST table updates, to prevent problems with REINDEX CONCURRENTLY (Michael Paquier) §
If applied to a TOAST table or TOAST table's index, REINDEX CONCURRENTLY tended to produce a corrupted index. This happened because sessions updating TOAST entries released their ROW EXCLUSIVE locks immediately, rather than holding them until transaction commit as all other updates do. The fix is to make TOAST updates hold the table lock according to the normal rule. Any existing corrupted indexes can be repaired by reindexing again.
Fix incorrect plan creation for parallel single-child Append nodes (David Rowley) §
\nIn some cases the Append would be simplified away when it should not be, leading to wrong query results (duplicated rows).
", "text": "Fix incorrect plan creation for parallel single-child Append nodes (David Rowley) § In some cases the Append would be simplified away when it should not be, leading to wrong query results (duplicated rows).", "title": "Fix incorrect plan creation for parallel single-child Append nodes", "commits": ["2ccd8fb29"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.10/#id-1.11.6.18.5", "source_hash": "0d9b9271838ef1adee8ba9057ce87fa5848e86fd74a4aba60a96d3c71c4b3c8b", "section_path": ["Changes"], "commit_groups": [["2ccd8fb29", "357ff6615", "f8807e774", "f9a74c149"]], "identity_text": "Fix incorrect plan creation for parallel single-child Append nodes (David Rowley) In some cases the Append would be simplified away when it should not be, leading to wrong query results (duplicated rows).", "commit_aliases": ["2ccd8fb29", "357ff6615", "f8807e774", "f9a74c149"], "source_commits": ["2ccd8fb29"], "source_entry_id": "12.10/changes/002", "db_id": "e1fb660586dfc4dc98f59fae8a8b5298", "patch_ids": ["824798e0131b37f7cdb2fde9e9e5da5b"], "statement_hash": "f6ac7ccbb7067f0f58f61b7c751b88f9788f94ff69a334c5909d252b95b09478", "relations": [{"rule": 2, "type": "equivalent", "target": "265a4d6ee8cc6da24988030ae52d6e6a", "evidence": {"same_day": true, "patch_ids": ["824798e0131b37f7cdb2fde9e9e5da5b"], "statement_hash": "f6ac7ccbb7067f0f58f61b7c751b88f9788f94ff69a334c5909d252b95b09478"}}, {"rule": 2, "type": "equivalent", "target": "ac8261ab66eaba66676192bf6d5d1eaa", "evidence": {"same_day": true, "patch_ids": ["824798e0131b37f7cdb2fde9e9e5da5b"], "statement_hash": "f6ac7ccbb7067f0f58f61b7c751b88f9788f94ff69a334c5909d252b95b09478"}}], "version": "12.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "265a4d6ee8cc6da24988030ae52d6e6a", "kind": "equivalent", "version": "14.2", "label": "14.2", "title": "Fix incorrect plan creation for parallel single-child Append nodes", "evidence": {"same_day": true, "patch_ids": ["824798e0131b37f7cdb2fde9e9e5da5b"], "statement_hash": "f6ac7ccbb7067f0f58f61b7c751b88f9788f94ff69a334c5909d252b95b09478"}, "url": "/docs/compare/?release=14.2#14.2-e564b4a4844bd24c", "source_url": "/docs/release/14.2/#id-1.11.6.28.5"}, {"db_id": "ac8261ab66eaba66676192bf6d5d1eaa", "kind": "equivalent", "version": "13.6", "label": "13.6", "title": "Fix incorrect plan creation for parallel single-child Append nodes", "evidence": {"same_day": true, "patch_ids": ["824798e0131b37f7cdb2fde9e9e5da5b"], "statement_hash": "f6ac7ccbb7067f0f58f61b7c751b88f9788f94ff69a334c5909d252b95b09478"}, "url": "/docs/compare/?release=13.6#13.6-aee2a32333ec1325", "source_url": "/docs/release/13.6/#id-1.11.6.23.5"}]}, {"id": "12.10-706d6ef31fbe403c", "cves": [], "html": "Fix index-only scan plans for cases where not all index columns can be returned (Tom Lane) § §
\nIf an index has both returnable and non-returnable columns, and one of the non-returnable columns is an expression using a table column that appears in a returnable index column, then a query using that expression could result in an index-only scan plan that attempts to read the non-returnable column, instead of recomputing the expression from the returnable column as intended. The non-returnable column would read as NULL, resulting in wrong query results.
", "text": "Fix index-only scan plans for cases where not all index columns can be returned (Tom Lane) § § If an index has both returnable and non-returnable columns, and one of the non-returnable columns is an expression using a table column that appears in a returnable index column, then a query using that expression could result in an index-only scan plan that attempts to read the non-returnable column, instead of recomputing the expression from the returnable column as intended. 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", "text": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary (Álvaro Herrera) §", "title": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary", "commits": ["9c6ab1ef3"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.10/#id-1.11.6.18.5", "source_hash": "4a9472e0a3bcc7d39aab6b764117b37387a9d36b7ab2fd5b0df4024edc1300ce", "section_path": ["Changes"], "commit_groups": [["2c3fddcbb", "44bd3ed33", "72cf39d51", "9c6ab1ef3", "d24dac954", "ef41c3fd6"]], "identity_text": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary (Álvaro Herrera)", "commit_aliases": ["2c3fddcbb", "44bd3ed33", "72cf39d51", "9c6ab1ef3", "d24dac954", "ef41c3fd6"], "source_commits": ["9c6ab1ef3"], "source_entry_id": "12.10/changes/005", "db_id": "835e2fdb54f88b0ae985e0cb4cae1a86", "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7", "relations": [{"rule": 2, "type": "equivalent", "target": "2cc14dd2cde079eb0813d98ae4efc0eb", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}}, {"rule": 2, "type": "equivalent", "target": "bd3d61ccd0723fd56757dd1d72f63e7a", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}}, {"rule": 2, "type": "equivalent", "target": "c855dbf26945305b605c55a5904cde68", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}}, {"rule": 2, "type": "equivalent", "target": "c8ee9f05fcab261ea19e8e933fce2a56", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}}], "version": "12.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c8ee9f05fcab261ea19e8e933fce2a56", "kind": "equivalent", "version": "14.2", "label": "14.2", "title": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}, "url": "/docs/compare/?release=14.2#14.2-6a2216d5121007db", "source_url": "/docs/release/14.2/#id-1.11.6.28.5"}, {"db_id": "bd3d61ccd0723fd56757dd1d72f63e7a", "kind": "equivalent", "version": "13.6", "label": "13.6", "title": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}, "url": "/docs/compare/?release=13.6#13.6-51c48133cefb804d", "source_url": "/docs/release/13.6/#id-1.11.6.23.5"}, {"db_id": "c855dbf26945305b605c55a5904cde68", "kind": "equivalent", "version": "11.15", "label": "11.15", "title": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}, "url": "/docs/compare/?release=11.15#11.15-693c4c23d73c6fbf", "source_url": "/docs/release/11.15/#id-1.11.6.12.5"}, {"db_id": "2cc14dd2cde079eb0813d98ae4efc0eb", "kind": "equivalent", "version": "10.20", "label": "10.20", "title": "Fix WAL replay failure when database consistency is reached exactly at a WAL page boundary", "evidence": {"same_day": true, "patch_ids": ["afd24cd07c5f5b06f4a1e758059cb944"], "statement_hash": "9316113c43ed41782a5c3b28f3ba173d4cab64df113fad082125b66f139a86a7"}, "url": "/docs/compare/?release=10.20#10.20-693c4c23d73c6fbf", "source_url": "/docs/release/10.20/#id-1.11.6.8.6"}]}, {"id": "12.10-272e53fb1458bc32", "cves": [], "html": "Fix startup of a physical replica to tolerate transaction ID wraparound (Abhijit Menon-Sen, Tomas Vondra) §
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", "text": "Remove lexical limitations for SQL commands issued on a logical replication connection (Tom Lane) § § The walsender process would fail for a SQL command containing an unquoted semicolon, or with dollar-quoted literals containing odd numbers of single or double quote marks, or when the SQL command starts with a comment. 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", "text": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction (Alex Kingsborough, Kyotaro Horiguchi) §", "title": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction", "commits": ["1c0452c48"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.10/#id-1.11.6.18.5", "source_hash": "ba898e2041a14e83d08b62745f2be5ae725215b741bb1195a9cca1052def6551", "section_path": ["Changes"], "commit_groups": [["0ffe2975c", "1c0452c48", "237d1f317", "84db5169d", "919be95c6", "b5f634116"]], "identity_text": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction (Alex Kingsborough, Kyotaro Horiguchi)", "commit_aliases": ["0ffe2975c", "1c0452c48", "237d1f317", "84db5169d", "919be95c6", "b5f634116"], "source_commits": ["1c0452c48"], "source_entry_id": "12.10/changes/008", "db_id": "f7107e2d130e3710354c69e1af1dca32", "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae", "relations": [{"rule": 2, "type": "equivalent", "target": "15e4cdf07e04f4692c91156a3a5908bb", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}}, {"rule": 2, "type": "equivalent", "target": "b8eac7e28755e73eb576db067bc4d9dc", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}}, {"rule": 2, "type": "equivalent", "target": "bbe661559a462cb4f9b5f9207041cac8", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}}, {"rule": 2, "type": "equivalent", "target": "c7e8f0b202e9f17e8eed39745cb6debd", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}}], "version": "12.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "15e4cdf07e04f4692c91156a3a5908bb", "kind": "equivalent", "version": "14.2", "label": "14.2", "title": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}, "url": "/docs/compare/?release=14.2#14.2-1e7e518dc5790ff5", "source_url": "/docs/release/14.2/#id-1.11.6.28.5"}, {"db_id": "bbe661559a462cb4f9b5f9207041cac8", "kind": "equivalent", "version": "13.6", "label": "13.6", "title": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}, "url": "/docs/compare/?release=13.6#13.6-3587c5e0af0d56c6", "source_url": "/docs/release/13.6/#id-1.11.6.23.5"}, {"db_id": "b8eac7e28755e73eb576db067bc4d9dc", "kind": "equivalent", "version": "11.15", "label": "11.15", "title": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}, "url": "/docs/compare/?release=11.15#11.15-4916a21761edb611", "source_url": "/docs/release/11.15/#id-1.11.6.12.5"}, {"db_id": "c7e8f0b202e9f17e8eed39745cb6debd", "kind": "equivalent", "version": "10.20", "label": "10.20", "title": "Fix possible loss of the commit timestamp for the last subtransaction of a transaction", "evidence": {"same_day": true, "patch_ids": ["5e29229b3a41d4f5688448cc3ff3ce9a"], "statement_hash": "e37e21c1d32b098ac1c4d96a11585890ee50dc422f49080a5e9ebc6e47f654ae"}, "url": "/docs/compare/?release=10.20#10.20-4916a21761edb611", "source_url": "/docs/release/10.20/#id-1.11.6.8.6"}]}, {"id": "12.10-9465ddf94b4619da", "cves": [], "html": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints (Nathan Bossart) §
On some filesystems this oversight could lead to losing logical rewrite status files after a system crash.
", "text": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints (Nathan Bossart) § On some filesystems this oversight could lead to losing logical rewrite status files after a system crash.", "title": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints", "commits": ["1c6d055ba"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.10/#id-1.11.6.18.5", "source_hash": "213f3eb6b4f37f85343c0e8b173df90e35db473230e4c0347bebae9f662ae03f", "section_path": ["Changes"], "commit_groups": [["1c6d055ba", "1fabec7d7", "2b7dbe4bd", "2c15b29f7", "f862cc09f", "fd48e5f5d"]], "identity_text": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints (Nathan Bossart) On some filesystems this oversight could lead to losing logical rewrite status files after a system crash.", "commit_aliases": ["1c6d055ba", "1fabec7d7", "2b7dbe4bd", "2c15b29f7", "f862cc09f", "fd48e5f5d"], "source_commits": ["1c6d055ba"], "source_entry_id": "12.10/changes/009", "db_id": "a9d08bee6a99170702c162e042d07eee", "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db", "relations": [{"rule": 2, "type": "equivalent", "target": "353fc59252a3b8ee5c068e5ae44976d5", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}}, {"rule": 2, "type": "equivalent", "target": "72977b01e1df094cf40fd5ba331693af", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}}, {"rule": 2, "type": "equivalent", "target": "aeba13b2c2363418e9446c0d419c8c28", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}}, {"rule": 2, "type": "equivalent", "target": "cd5e04f92c3bd097a11741b1a43a5ef2", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}}], "version": "12.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "72977b01e1df094cf40fd5ba331693af", "kind": "equivalent", "version": "14.2", "label": "14.2", "title": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}, "url": "/docs/compare/?release=14.2#14.2-f45104475e56fc82", "source_url": "/docs/release/14.2/#id-1.11.6.28.5"}, {"db_id": "aeba13b2c2363418e9446c0d419c8c28", "kind": "equivalent", "version": "13.6", "label": "13.6", "title": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}, "url": "/docs/compare/?release=13.6#13.6-2f001a5bdf695b08", "source_url": "/docs/release/13.6/#id-1.11.6.23.5"}, {"db_id": "cd5e04f92c3bd097a11741b1a43a5ef2", "kind": "equivalent", "version": "11.15", "label": "11.15", "title": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}, "url": "/docs/compare/?release=11.15#11.15-998cd045ca32cb0d", "source_url": "/docs/release/11.15/#id-1.11.6.12.5"}, {"db_id": "353fc59252a3b8ee5c068e5ae44976d5", "kind": "equivalent", "version": "10.20", "label": "10.20", "title": "Be sure to fsync the pg_logical/mappings subdirectory during checkpoints", "evidence": {"same_day": true, "patch_ids": ["5694260cf9b2bb223a04401f64c318f9"], "statement_hash": "1f1453bd8236e965be91e24abeb4e6f80bfbb755a93d5a93b1ba598d6872f3db"}, "url": "/docs/compare/?release=10.20#10.20-998cd045ca32cb0d", "source_url": "/docs/release/10.20/#id-1.11.6.8.6"}]}, {"id": "12.10-eaa41b2f9f420694", "cves": [], "html": "Build extended statistics for partitioned tables (Justin Pryzby) §
\nA previous bug fix disabled building of extended statistics for old-style inheritance trees, but it also prevented building them for partitioned tables, which was an unnecessary restriction. This change allows ANALYZE to compute values for statistics objects for partitioned tables. (But note that autovacuum does not process partitioned tables as such, so you must periodically issue manual ANALYZE on the partitioned table if you want to maintain such statistics.)
Ignore extended statistics for inheritance trees (Justin Pryzby) §
\nCurrently, extended statistics values are only computed locally for each table, not for entire inheritance trees. However the values were mistakenly consulted when planning queries across inheritance trees, possibly resulting in worse-than-default estimates.
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\nThis restriction has long existed for regular tables, but through an oversight it was not checked for partitioned tables.
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The same prohibition already existed for primary key indexes.
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Concurrent sessions failed to update their opinion of whether the table has a primary key, possibly causing incorrect logical replication behavior.
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Make psql's \\password command default to setting the password for CURRENT_USER, not the connection's original user name (Tom Lane) §
This agrees with the documented behavior, and avoids probable permissions failure if SET ROLE or SET SESSION AUTHORIZATION has been done since the session began. To prevent confusion, the role name to be acted on is now included in the password prompt.
In psql and some other client programs, avoid trying to invoke gettext() from a control-C signal handler (Tom Lane) §
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\nIn rare cases, the output script might refer to a user-defined cast before it had been created.
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Fix possible mis-reporting of errors in pg_dump and pg_basebackup (Tom Lane) § §
\nThe previous code failed to check for errors from some kernel calls, and could report the wrong errno values in other cases.
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Change configure to use Python's sysconfig module, rather than the deprecated distutils module, to determine how to build PL/Python (Peter Eisentraut, Tom Lane, Andres Freund) §
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\nA man-in-the-middle with the ability to inject data into the TCP connection could stuff some cleartext data into the start of a supposedly encryption-protected database session. This could probably be abused to inject faked responses to the client's first few queries, although other details of libpq's behavior make that harder than it sounds. A different line of attack is to exfiltrate the client's password, or other sensitive data that might be sent early in the session. That has been shown to be possible with a server vulnerable to CVE-2021-23214.
\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2021-23222)
", "text": "Make libpq reject extraneous data after an SSL or GSS encryption handshake (Tom Lane) § A man-in-the-middle with the ability to inject data into the TCP connection could stuff some cleartext data into the start of a supposedly encryption-protected database session. This could probably be abused to inject faked responses to the client's first few queries, although other details of libpq's behavior make that harder than it sounds. A different line of attack is to exfiltrate the client's password, or other sensitive data that might be sent early in the session. That has been shown to be possible with a server vulnerable to CVE-2021-23214. The PostgreSQL Project thanks Jacob Champion for reporting this problem. 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A different line of attack is to exfiltrate the client's password, or other sensitive data that might be sent early in the session. That has been shown to be possible with a server vulnerable to CVE-2021-23214. The PostgreSQL Project thanks Jacob Champion for reporting this problem. 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\nWhen applying this update, it's best to update standby servers before the primary, so that they will be ready to handle this new WAL record type if the primary happens to crash.
", "text": "Fix physical replication for cases where the primary crashes after shipping a WAL segment that ends with a partial WAL record (Álvaro Herrera) § § § If the primary did not survive long enough to finish writing the rest of the incomplete WAL record, then the previous crash-recovery logic had it back up and overwrite WAL starting from the beginning of the incomplete WAL record. This is problematic since standby servers may already have copies of that WAL segment. They will then see an inconsistent next segment, and will not be able to recover without manual intervention. To fix, do not back up over a WAL segment boundary when restarting after a crash. Instead write a new type of WAL record at the start of the next WAL segment, informing readers that the incomplete WAL record will never be finished and must be disregarded. 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Rows inserted by just-prepared transactions might be omitted from the new index, causing queries relying on the index to miss such rows. The previous fix for this type of problem failed to account for PREPARE TRANSACTION commands that were still in progress when CREATE INDEX CONCURRENTLY checked for them. As before, in installations that have enabled prepared transactions (max_prepared_transactions > 0), it's recommended to reindex any concurrently-built indexes in case this problem occurred when they were built.
Avoid race condition that can cause backends to fail to add entries for new rows to an index being built concurrently (Noah Misch, Andrey Borodin) §
\nWhile it's apparently rare in the field, this case could potentially affect any index built or reindexed with the CONCURRENTLY option. It is recommended to reindex any such indexes to make sure they are correct.
Fix float4 and float8 hash functions to produce uniform results for NaNs (Tom Lane) § § §
Since PostgreSQL's floating-point types deem all NaNs to be equal, it's important for the hash functions to produce the same hash code for all bit-patterns that are NaNs according to the IEEE 754 standard. This failed to happen before, meaning that hash indexes and hash-based query plans might produce incorrect results for non-canonical NaN values. ('-NaN'::float8 is one way to produce such a value on most machines.) It is advisable to reindex hash indexes on floating-point columns, if there is any possibility that they might contain such values.
Prevent data loss during crash recovery of CREATE TABLESPACE, when wal_level = minimal (Noah Misch) §
If the server crashed between CREATE TABLESPACE and the next checkpoint, replay would fully remove the contents of the new tablespace's directory, relying on subsequent WAL replay to restore everything within that directory. This interacts badly with optimizations that skip writing WAL (one example is COPY into a just-created table). Such optimizations are applied only when wal_level is minimal, which is not the default in v10 and later.
Ensure that the relation cache is invalidated for a table being attached to or detached from a partitioned table (Amit Langote, Álvaro Herrera) §
\nThis oversight could allow misbehavior of subsequent inserts/updates addressed directly to the partition, but only in currently-existing sessions.
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This oversight could lead to improper replication behavior until all currently-existing sessions have exited.
", "text": "Ensure that the relation cache is invalidated when creating or dropping a FOR ALL TABLES publication (Hou Zhijie, Vignesh C) § This oversight could lead to improper replication behavior until all currently-existing sessions have exited.", "title": "Ensure that the relation cache is invalidated when creating or dropping a FOR ALL TABLES publication", "commits": ["2eb09f27d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "1d138ae46181c2cd993d23d0c2b4f7434a38aa42e9c6572a563706779270e7c8", "section_path": ["Changes"], "commit_groups": [["28cde380c", "2eb09f27d", "8bd534274", "8db27fbc1", "96e38fa5e", "ddfc7299d"]], "identity_text": "Ensure that the relation cache is invalidated when creating or dropping a FOR ALL TABLES publication (Hou Zhijie, Vignesh C) This oversight could lead to improper replication behavior until all currently-existing sessions have exited.", "commit_aliases": ["28cde380c", "2eb09f27d", "8bd534274", "8db27fbc1", "96e38fa5e", "ddfc7299d"], "source_commits": ["2eb09f27d"], "source_entry_id": "12.9/changes/009", "db_id": "1c316f53a694795bc5bfe0f32d2e861e", "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c", "relations": [{"rule": 2, "type": "equivalent", "target": "030217cf04f67dff197c78dcf74241df", "evidence": {"same_day": true, "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c"}}, {"rule": 2, "type": "equivalent", "target": "14d0600941bde045c30812109a00ef8b", "evidence": {"same_day": true, "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c"}}, {"rule": 2, "type": "equivalent", "target": "1d3b9b1e81c6e1e450d91c2379333ceb", "evidence": {"same_day": true, "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c"}}], "version": "12.9", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "14d0600941bde045c30812109a00ef8b", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Ensure that the relation cache is invalidated when creating or dropping a FOR ALL TABLES publication", "evidence": {"same_day": true, "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c"}, "url": "/docs/compare/?release=13.5#13.5-901bad3895e9214d", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "030217cf04f67dff197c78dcf74241df", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Ensure that the relation cache is invalidated when creating or dropping a FOR ALL TABLES publication", "evidence": {"same_day": true, "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c"}, "url": "/docs/compare/?release=11.14#11.14-1f4503b502ca6d9b", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "1d3b9b1e81c6e1e450d91c2379333ceb", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Ensure that the relation cache is invalidated when creating or dropping a FOR ALL TABLES publication", "evidence": {"same_day": true, "patch_ids": ["65872bfda9a8ced2cfb0a9a53e2437e7"], "statement_hash": "a2062f94ce5aaab213c234c4e2292846b89276ca927dfb057419a74a049f9d8c"}, "url": "/docs/compare/?release=10.19#10.19-1f4503b502ca6d9b", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}]}, {"id": "12.9-8d47e060f23f4654", "cves": [], "html": "Don't discard a cast to the same type with unspecified type modifier (Tom Lane) §
\nFor example, if column f1 is of type numeric(18,3), the parser used to simply discard a cast like f1::numeric, on the grounds that it would have no run-time effect. That's true, but the exposed type of the expression should still be considered to be plain numeric, not numeric(18,3). This is important for correctly resolving the type of larger constructs, such as recursive UNIONs.
Fix updates of element fields in arrays of domain over composite (Tom Lane) §
\nA command such as UPDATE tab SET fld[1].subfld = val failed if the array's elements were domains rather than plain composites.
Disallow creating an ICU collation if the current database's encoding won't support it (Tom Lane) §
\nPreviously this was allowed, but then the collation could not be referenced because of the way collation lookup works; you could not use the collation, nor even drop it.
", "text": "Disallow creating an ICU collation if the current database's encoding won't support it (Tom Lane) § Previously this was allowed, but then the collation could not be referenced because of the way collation lookup works; you could not use the collation, nor even drop it.", "title": "Disallow creating an ICU collation if the current database's encoding won't support it", "commits": ["9046a0536"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "5fb6a541f8db75fc9ffc2aeb2e28fbaeda26efbebdf3301eda7138d2ce9e570b", "section_path": ["Changes"], "commit_groups": [["132be6000", "2cc018ba8", "5d7c6b6c8", "9046a0536", "9ebe2852e", "db2760a84"]], "identity_text": "Disallow creating an ICU collation if the current database's encoding won't support it (Tom Lane) Previously this was allowed, but then the collation could not be referenced because of the way collation lookup works; you could not use the collation, nor even drop it.", "commit_aliases": ["132be6000", "2cc018ba8", "5d7c6b6c8", "9046a0536", "9ebe2852e", "db2760a84"], "source_commits": ["9046a0536"], "source_entry_id": "12.9/changes/012", "db_id": "984aac77c883e8738f5784e62ccabf04", "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0", "relations": [{"rule": 2, "type": "equivalent", "target": "8bb42d9f4d9070993e2b6c906debc13f", "evidence": {"same_day": true, "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0"}}, {"rule": 2, "type": "equivalent", "target": "8ce2b247b376da52ac444fbb169e1149", "evidence": {"same_day": true, "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0"}}, {"rule": 2, "type": "equivalent", "target": "e49409c6b1b1abf753a6f67543d92f91", "evidence": {"same_day": true, "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0"}}], "version": "12.9", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "8ce2b247b376da52ac444fbb169e1149", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Disallow creating an ICU collation if the current database's encoding won't support it", "evidence": {"same_day": true, "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0"}, "url": "/docs/compare/?release=13.5#13.5-88a4557386a3dc93", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "8bb42d9f4d9070993e2b6c906debc13f", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Disallow creating an ICU collation if the current database's encoding won't support it", "evidence": {"same_day": true, "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0"}, "url": "/docs/compare/?release=11.14#11.14-2bfe77e327b4298c", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "e49409c6b1b1abf753a6f67543d92f91", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Disallow creating an ICU collation if the current database's encoding won't support it", "evidence": {"same_day": true, "patch_ids": ["57f2fed5e9fd06c856ad2db3c59d7b61"], "statement_hash": "c41f9ff7f8035e2e3d557349ef0ec68751f0c5cc49128a53b3c646bdf78988b0"}, "url": "/docs/compare/?release=10.19#10.19-2bfe77e327b4298c", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}]}, {"id": "12.9-549a5c9fbc154743", "cves": [], "html": "Fix corner-case loss of precision in numeric power() (Dean Rasheed) §
The result could be inaccurate when the first argument is very close to 1.
", "text": "Fix corner-case loss of precision in numeric power() (Dean Rasheed) § The result could be inaccurate when the first argument is very close to 1.", "title": "Fix corner-case loss of precision in numeric power()", "commits": ["676218034"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "886c9410f1275af3a27a4255742b58cc6b7a44b2094aeccfba2e6f6fd7bd2dd6", "section_path": ["Changes"], "commit_groups": [["0de8f9bc8", "4853baaac", "676218034", "8e26b868d", "9ab94ccb1", "b2a0f1673", "e54a758d2"]], "identity_text": "Fix corner-case loss of precision in numeric power() (Dean Rasheed) The result could be inaccurate when the first argument is very close to 1.", "commit_aliases": ["0de8f9bc8", "4853baaac", "676218034", "8e26b868d", "9ab94ccb1", "b2a0f1673", "e54a758d2"], "source_commits": ["676218034"], "source_entry_id": "12.9/changes/013", "db_id": "6c00cd1a9719b140cfc2aef71bb278b7", "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e", "relations": [{"rule": 2, "type": "equivalent", "target": "030a2046e24b898c1430427f489eb485", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}}, {"rule": 2, "type": "equivalent", "target": "27be00824a0ba04d07e8342cfa7a32d4", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}}, {"rule": 2, "type": "equivalent", "target": "6491fe99ed8928515123587023572951", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}}, {"rule": 2, "type": "equivalent", "target": "b0151959d488107ae648f8f155484246", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}}, {"rule": 2, "type": "equivalent", "target": "cd933cbfcf6d477b9f3b6c5701011026", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}}], "version": "12.9", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "030a2046e24b898c1430427f489eb485", "kind": "equivalent", "version": "14.1", "label": "14.1", "title": "Fix corner-case loss of precision in numeric power()", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}, "url": "/docs/compare/?release=14.1#14.1-241308668d1bbfbf", "source_url": "/docs/release/14.1/#id-1.11.6.29.5"}, {"db_id": "6491fe99ed8928515123587023572951", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Fix corner-case loss of precision in numeric power()", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}, "url": "/docs/compare/?release=13.5#13.5-673ee8b61e23f79f", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "27be00824a0ba04d07e8342cfa7a32d4", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Fix corner-case loss of precision in numeric power()", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}, "url": "/docs/compare/?release=11.14#11.14-32bbfbec1a87a5d1", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "cd933cbfcf6d477b9f3b6c5701011026", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Fix corner-case loss of precision in numeric power()", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}, "url": "/docs/compare/?release=10.19#10.19-32bbfbec1a87a5d1", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}, {"db_id": "b0151959d488107ae648f8f155484246", "kind": "equivalent", "version": "9.6.24", "label": "9.6.24", "title": "Fix corner-case loss of precision in numeric power()", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}, "url": "/docs/compare/?release=9.6.24#9.6.24-32bbfbec1a87a5d1", "source_url": "/docs/release/9.6.24/#AEN131871"}]}, {"id": "12.9-40472a515c7bfd50", "cves": [], "html": "Avoid regular expression errors with capturing parentheses inside {0} (Tom Lane) §
Regular expressions like (.){0}...\\1 drew “invalid backreference number”. Other regexp engines such as Perl don't complain, though, and for that matter ours doesn't either in some closely related cases. Worse, it could throw an assertion failure instead. Fix it so that no error is thrown and instead the back-reference is silently deemed to never match.
Prevent regular expression back-references from sometimes matching when they shouldn't (Tom Lane) §
\nThe regexp engine was careless about clearing match data for capturing parentheses after rejecting a partial match. This could allow a later back-reference to match in places where it should fail for lack of a defined referent.
", "text": "Prevent regular expression back-references from sometimes matching when they shouldn't (Tom Lane) § The regexp engine was careless about clearing match data for capturing parentheses after rejecting a partial match. This could allow a later back-reference to match in places where it should fail for lack of a defined referent.", "title": "Prevent regular expression back-references from sometimes matching when they shouldn't", "commits": ["b9521a1f9"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "e37ef8e1a66f4a407166f61e94487db694d3de285b6c8be5e32f2784f546c4ba", "section_path": ["Changes"], "commit_groups": [["08e080756", "779557bd2", "9a327179c", "9bbf6f734", "b9521a1f9", "d90e14414", "df87b7c44"]], "identity_text": "Prevent regular expression back-references from sometimes matching when they shouldn't (Tom Lane) The regexp engine was careless about clearing match data for capturing parentheses after rejecting a partial match. This could allow a later back-reference to match in places where it should fail for lack of a defined referent.", "commit_aliases": ["08e080756", "779557bd2", "9a327179c", "9bbf6f734", "b9521a1f9", "d90e14414", "df87b7c44"], "source_commits": ["b9521a1f9"], "source_entry_id": "12.9/changes/015", "db_id": "fd9076c2292385c1b7f2613b7dd2add3", "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a", "relations": [{"rule": 2, "type": "equivalent", "target": "210ecd50c09b115e6bd2066d62f997f8", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}}, {"rule": 2, "type": "equivalent", "target": "5a3f5610fed82ab625e04525006e0607", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}}, {"rule": 2, "type": "equivalent", "target": "db98f99b0d1f6903dbfc5e3be4d5387c", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}}, {"rule": 2, "type": "equivalent", "target": "dde6640a815b7ab63041151f90246968", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}}], "version": "12.9", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "210ecd50c09b115e6bd2066d62f997f8", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Prevent regular expression back-references from sometimes matching when they shouldn't", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}, "url": "/docs/compare/?release=13.5#13.5-b4fd8549fa48ccc0", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "5a3f5610fed82ab625e04525006e0607", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Prevent regular expression back-references from sometimes matching when they shouldn't", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}, "url": "/docs/compare/?release=11.14#11.14-973cf2afcb15f9df", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "dde6640a815b7ab63041151f90246968", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Prevent regular expression back-references from sometimes matching when they shouldn't", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}, "url": "/docs/compare/?release=10.19#10.19-973cf2afcb15f9df", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}, {"db_id": "db98f99b0d1f6903dbfc5e3be4d5387c", "kind": "equivalent", "version": "9.6.24", "label": "9.6.24", "title": "Prevent regular expression back-references from sometimes matching when they shouldn't", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}, "url": "/docs/compare/?release=9.6.24#9.6.24-973cf2afcb15f9df", "source_url": "/docs/release/9.6.24/#AEN131871"}]}, {"id": "12.9-446f89346a6d1c1d", "cves": [], "html": "Fix regular expression performance bug with back-references inside iteration nodes (Tom Lane) §
\nIncorrect back-tracking logic could result in exponential time spent looking for a match. Fortunately the problem is masked in most cases by other optimizations.
", "text": "Fix regular expression performance bug with back-references inside iteration nodes (Tom Lane) § Incorrect back-tracking logic could result in exponential time spent looking for a match. Fortunately the problem is masked in most cases by other optimizations.", "title": "Fix regular expression performance bug with back-references inside iteration nodes", "commits": ["adbfde3db"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "4b170752312ecaaa1a9a681a5e8b10dd3f1c691f41f02ec4df5fe8a490447934", "section_path": ["Changes"], "commit_groups": [["57a2d4a1b", "9610852ab", "adbfde3db", "b30f7f399", "cafebd663", "e0f2acf26", "facce1da9"]], "identity_text": "Fix regular expression performance bug with back-references inside iteration nodes (Tom Lane) Incorrect back-tracking logic could result in exponential time spent looking for a match. Fortunately the problem is masked in most cases by other optimizations.", "commit_aliases": ["57a2d4a1b", "9610852ab", "adbfde3db", "b30f7f399", "cafebd663", "e0f2acf26", "facce1da9"], "source_commits": ["adbfde3db"], "source_entry_id": "12.9/changes/016", "db_id": "688ccbc9cb0855becfc0adcfaf70a154", "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7", "relations": [{"rule": 2, "type": "equivalent", "target": "42e028519e0ba2febe6342873cebc1f7", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}}, {"rule": 2, "type": "equivalent", "target": "4fced0b9275aaf74765209b7f904b28c", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}}, {"rule": 2, "type": "equivalent", "target": "e2a9330ca2af18a79c0bbb6006eabfad", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}}, {"rule": 2, "type": "equivalent", "target": "fcda11b7a0efa290fbe039d6e34ab27d", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}}], "version": "12.9", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "fcda11b7a0efa290fbe039d6e34ab27d", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Fix regular expression performance bug with back-references inside iteration nodes", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}, "url": "/docs/compare/?release=13.5#13.5-327417f31c652548", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "e2a9330ca2af18a79c0bbb6006eabfad", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Fix regular expression performance bug with back-references inside iteration nodes", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}, "url": "/docs/compare/?release=11.14#11.14-4c7c36f139aa494d", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "4fced0b9275aaf74765209b7f904b28c", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Fix regular expression performance bug with back-references inside iteration nodes", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}, "url": "/docs/compare/?release=10.19#10.19-4c7c36f139aa494d", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}, {"db_id": "42e028519e0ba2febe6342873cebc1f7", "kind": "equivalent", "version": "9.6.24", "label": "9.6.24", "title": "Fix regular expression performance bug with back-references inside iteration nodes", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}, "url": "/docs/compare/?release=9.6.24#9.6.24-4c7c36f139aa494d", "source_url": "/docs/release/9.6.24/#AEN131871"}]}, {"id": "12.9-79e3fbdf7c3057f9", "cves": [], "html": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value (Tom Lane) §
The results were incorrect if the target time zone was specified by a dynamic timezone abbreviation (that is, one that is defined as equivalent to a full time zone name, rather than a fixed UTC offset).
", "text": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value (Tom Lane) § The results were incorrect if the target time zone was specified by a dynamic timezone abbreviation (that is, one that is defined as equivalent to a full time zone name, rather than a fixed UTC offset).", "title": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value", "commits": ["eb3c8d248"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "41fa39d827949412251ff1cecafb0dabb6656c213d31cbb3a4febb00fa25daff", "section_path": ["Changes"], "commit_groups": [["5907c3818", "599c73a91", "90b4647f6", "b28c862a6", "d8a266c5e", "eb3c8d248"]], "identity_text": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value (Tom Lane) The results were incorrect if the target time zone was specified by a dynamic timezone abbreviation (that is, one that is defined as equivalent to a full time zone name, rather than a fixed UTC offset).", "commit_aliases": ["5907c3818", "599c73a91", "90b4647f6", "b28c862a6", "d8a266c5e", "eb3c8d248"], "source_commits": ["eb3c8d248"], "source_entry_id": "12.9/changes/017", "db_id": "873842f3b76c836d3d0b43d915bf20ff", "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce", "relations": [{"rule": 2, "type": "equivalent", "target": "02ca028508a70046df9141999d0af648", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}}, {"rule": 2, "type": "equivalent", "target": "1cbe7ac9a3e48112574b93b9c4337936", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}}, {"rule": 2, "type": "equivalent", "target": "1d98d253603f63b72170b1a21fa26ecb", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}}, {"rule": 2, "type": "equivalent", "target": "fa17b8425ecd09a5d4c77915aacbe62f", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}}], "version": "12.9", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1d98d253603f63b72170b1a21fa26ecb", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}, "url": "/docs/compare/?release=13.5#13.5-5852d98035c78c4e", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "fa17b8425ecd09a5d4c77915aacbe62f", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}, "url": "/docs/compare/?release=11.14#11.14-ef30935d0837f0a3", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "02ca028508a70046df9141999d0af648", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}, "url": "/docs/compare/?release=10.19#10.19-ef30935d0837f0a3", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}, {"db_id": "1cbe7ac9a3e48112574b93b9c4337936", "kind": "equivalent", "version": "9.6.24", "label": "9.6.24", "title": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}, "url": "/docs/compare/?release=9.6.24#9.6.24-ef30935d0837f0a3", "source_url": "/docs/release/9.6.24/#AEN131871"}]}, {"id": "12.9-816351318a41bcd5", "cves": [], "html": "Fix mistranslation of PlaceHolderVars to inheritance child relations (Tom Lane) §
\nThis error could result in assertion failures, or in mis-planning of queries having partitioned or inherited tables on the nullable side of an outer join.
", "text": "Fix mistranslation of PlaceHolderVars to inheritance child relations (Tom Lane) § This error could result in assertion failures, or in mis-planning of queries having partitioned or inherited tables on the nullable side of an outer join.", "title": "Fix mistranslation of PlaceHolderVars to inheritance child relations", "commits": ["febe013ca"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "37f8a35b2ad5c7e545c5196a241c9a277721fc4879e51dcf33560889d4645189", "section_path": ["Changes"], "commit_groups": [["4d5b4483d", "a21049fd3", "e0b0d1eab", "febe013ca"]], "identity_text": "Fix mistranslation of PlaceHolderVars to inheritance child relations (Tom Lane) This error could result in assertion failures, or in mis-planning of queries having partitioned or inherited tables on the nullable side of an outer join.", "commit_aliases": ["4d5b4483d", "a21049fd3", "e0b0d1eab", "febe013ca"], "source_commits": ["febe013ca"], "source_entry_id": "12.9/changes/018", "db_id": "113a007310ef188bb565a96667898eae", "patch_ids": ["790210121d680beb7b5e473db29216e5"], "statement_hash": "ec48d1a2493ff244e7b43973927d87bd76fe566b8818d53a4ac41e496ad68c7c", "relations": [{"rule": 2, "type": "equivalent", "target": "21b1927bbba8fdf946e3a955ca00a7f2", "evidence": {"same_day": true, "patch_ids": ["790210121d680beb7b5e473db29216e5"], "statement_hash": "ec48d1a2493ff244e7b43973927d87bd76fe566b8818d53a4ac41e496ad68c7c"}}], "version": "12.9", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "21b1927bbba8fdf946e3a955ca00a7f2", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Fix mistranslation of PlaceHolderVars to inheritance child relations", "evidence": {"same_day": true, "patch_ids": ["790210121d680beb7b5e473db29216e5"], "statement_hash": "ec48d1a2493ff244e7b43973927d87bd76fe566b8818d53a4ac41e496ad68c7c"}, "url": "/docs/compare/?release=13.5#13.5-85fbdae7eadb8ddf", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}]}, {"id": "12.9-430a1f041218b08b", "cves": [], "html": "Avoid using MCV-only statistics to estimate the range of a column (Tom Lane) §
\nThere are corner cases in which ANALYZE will build a most-common-values (MCV) list but not a histogram, even though the MCV list does not account for all the observed values. In such cases, keep the planner from using the MCV list alone to estimate the range of column values.
Fix restoration of a Portal's snapshot inside a subtransaction (Bertrand Drouvot) §
\nIf a procedure commits or rolls back a transaction, and then its next significant action is inside a new subtransaction, snapshot management went wrong, leading to a dangling pointer and probable crash. A typical example in PL/pgSQL is a COMMIT immediately followed by a BEGIN ... EXCEPTION block that performs a query.
Clean up correctly if a transaction fails after exporting its snapshot (Dilip Kumar) §
\nThis oversight would only cause a problem if the same session attempted to export a snapshot again. The most likely scenario for that is creation of a replication slot (followed by rollback) and then creation of another replication slot.
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\nThis oversight could cause significant performance degradation (manifesting as excessive SubtransSLRU traffic) on standby servers.
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\nThere was a narrow window where a prepared transaction could be omitted from a snapshot taken by a concurrently-running session. If that session then used the snapshot to perform data updates, erroneous results or data corruption could occur.
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Fix possible failure while saving a WITH HOLD cursor at transaction end, if it had already been read to completion (Tom Lane) §
Fix detection of a relation that has grown to the maximum allowed length (Tom Lane) §
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The previous failure to do this could lead to problems such as unsafely choosing a parallel plan.
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\nThe code typically produced “cache lookup error” rather than the intended message.
", "text": "Fix incorrect reporting of permissions failures on extended statistics objects (Tomas Vondra) § § The code typically produced “cache lookup error” rather than the intended message.", "title": "Fix incorrect reporting of permissions failures on extended statistics objects", "commits": ["5f8dd5dc1", "6c8b98669"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.9/#id-1.11.6.19.5", "source_hash": "aa3639d392de0bf1f1ca69d5d9ba4013180cc5e789c8669edbee582d81213f45", "section_path": ["Changes"], "commit_groups": [["1fe1a04af", "5be8ce82e", "6c8b98669", "a371a5ba3", "b46ff4b50", "bfb732c0e"], ["4090ff2a9", "5f8dd5dc1", "628bc9d13", "6963e723f", "bce24d1ed", "c8213aa94"]], "identity_text": "Fix incorrect reporting of permissions failures on extended statistics objects (Tomas Vondra) The code typically produced cache lookup error rather than the intended message.", "commit_aliases": ["1fe1a04af", "4090ff2a9", "5be8ce82e", "5f8dd5dc1", "628bc9d13", "6963e723f", "6c8b98669", "a371a5ba3", "b46ff4b50", "bce24d1ed", "bfb732c0e", "c8213aa94"], "source_commits": ["5f8dd5dc1", "6c8b98669"], "source_entry_id": "12.9/changes/028", "db_id": "3c052641d2b09ba781a21fb0eff8aabb", "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c", "relations": [{"rule": 2, "type": "equivalent", "target": "382b1d2e6230ec7755a070651620debf", "evidence": {"same_day": true, "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c"}}, {"rule": 2, "type": "equivalent", "target": "87865de19516fc51526230ce01748d28", "evidence": {"same_day": true, "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c"}}, {"rule": 2, "type": "equivalent", "target": "db03d04161d3427913472702103e9422", "evidence": {"same_day": true, "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c"}}], "version": "12.9", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "382b1d2e6230ec7755a070651620debf", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Fix incorrect reporting of permissions failures on extended statistics objects", "evidence": {"same_day": true, "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c"}, "url": "/docs/compare/?release=13.5#13.5-bc4d5f5f120a2193", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "87865de19516fc51526230ce01748d28", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Fix incorrect reporting of permissions failures on extended statistics objects", "evidence": {"same_day": true, "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c"}, "url": "/docs/compare/?release=11.14#11.14-c6c27345c9969d4d", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "db03d04161d3427913472702103e9422", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Fix incorrect reporting of permissions failures on extended statistics objects", "evidence": {"same_day": true, "patch_ids": ["29e4ae3e045b7e0d41ce774edf4ba8ce", "5de3454d71258ad0b781741805131771"], "statement_hash": "9b966f0f75ad14cfd2673c2da2e412535a6ebdbeb5145095b02840fb8e8e6f8c"}, "url": "/docs/compare/?release=10.19#10.19-c6c27345c9969d4d", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}]}, {"id": "12.9-7c6787a6e35238a0", "cves": [], "html": "Fix incorrect snapshot handling in parallel workers (Greg Nancarrow) §
\nThis oversight could lead to misbehavior in parallel queries if the transaction isolation level is less than REPEATABLE READ.
Fix logical decoding to correctly ignore toast-table changes for transient tables (Bertrand Drouvot) §
\nLogical decoding normally ignores changes in transient tables such as those created during an ALTER TABLE heap rewrite. But that filtering wasn't applied to the associated toast table if any, leading to possible errors when rewriting a table that's being published.
Ensure that walreceiver processes create all required archive notification files before exiting (Fujii Masao) §
\nIf a walreceiver exited exactly at a WAL segment boundary, it failed to make a notification file for the last-received segment, thus delaying archiving of that segment on the standby.
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Fix parser's processing of aggregate FILTER clauses (Tom Lane) §
If the FILTER expression is a plain boolean column, the semantic level of the aggregate could be mis-determined, leading to not-per-spec behavior. If the FILTER expression is itself a boolean-returning aggregate, an error should be thrown but was not, likely resulting in a crash at execution.
Ensure that the correct lock level is used when renaming a table (Nathan Bossart, Álvaro Herrera) § §
\nFor historical reasons, ALTER INDEX ... RENAME can be applied to any sort of relation. The lock level required to rename an index is lower than that required to rename a table or other kind of relation, but the code got this wrong and would use the weaker lock level whenever the command is spelled ALTER INDEX.
Avoid trying to clean up LLVM state after an error within LLVM (Andres Freund, Justin Pryzby) §
\nThis prevents a likely crash during backend exit after a fatal LLVM error.
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Previously, this setting was accepted, but it did nothing for lack of any implementation.
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They were being called with an out-of-date snapshot, so that they would not see any database changes made since the start of the session's top-level command.
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\nHowever, if you are upgrading from a version earlier than 12.6, see Section E.17.
", "compatibility_count": 0, "label": "12.8", "status_label": "Historical", "eol": "2024-11-21", "age_days": 1874, "support_days": -677, "entries": [{"id": "12.8-475ce7ff31778db0", "cves": ["CVE-2021-3677"], "html": "Fix mis-planning of repeated application of a projection step (Tom Lane) §
\nThe planner could create an incorrect plan in cases where two ProjectionPaths were stacked on top of each other. The only known way to trigger that situation involves parallel sort operations, but there may be other instances. The result would be crashes or incorrect query results. Disclosure of server memory contents is also possible. (CVE-2021-3677)
", "text": "Fix mis-planning of repeated application of a projection step (Tom Lane) § The planner could create an incorrect plan in cases where two ProjectionPaths were stacked on top of each other. The only known way to trigger that situation involves parallel sort operations, but there may be other instances. The result would be crashes or incorrect query results. Disclosure of server memory contents is also possible. (CVE-2021-3677)", "title": "Fix mis-planning of repeated application of a projection step", "commits": ["6f9e7f21f"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.8/#id-1.11.6.20.5", "source_hash": "9945925707a1d0d10aa753cbb9c11fffbb9bc2bc24961b62c91a53f1b12e10c8", "section_path": ["Changes"], "commit_groups": [["6ee41a301", "6f9e7f21f", "fe194f731", "fe6f63286"]], "identity_text": "Fix mis-planning of repeated application of a projection step (Tom Lane) The planner could create an incorrect plan in cases where two ProjectionPaths were stacked on top of each other. The only known way to trigger that situation involves parallel sort operations, but there may be other instances. The result would be crashes or incorrect query results. Disclosure of server memory contents is also possible. (CVE-2021-3677)", "commit_aliases": ["6ee41a301", "6f9e7f21f", "fe194f731", "fe6f63286"], "source_commits": ["6f9e7f21f"], "source_entry_id": "12.8/changes/001", "db_id": "3de6c34ecf0781cd1c51f7a3128a998c", "patch_ids": ["3f5560ec6ca035f9aedd584b3d1a0ac0"], "statement_hash": "e559b3886beae91f372c8d2846d369d8b0b0bd286c24607402ba973158b73268", "relations": [{"rule": 2, "type": "equivalent", "target": "461d9174aeb12206f6582ef13df16668", "evidence": {"same_day": true, "patch_ids": ["3f5560ec6ca035f9aedd584b3d1a0ac0"], "statement_hash": "e559b3886beae91f372c8d2846d369d8b0b0bd286c24607402ba973158b73268"}}, {"rule": 2, "type": "equivalent", "target": "d89aa6c157d91546a30d9517cb07c356", "evidence": {"same_day": true, "patch_ids": ["3f5560ec6ca035f9aedd584b3d1a0ac0"], "statement_hash": "e559b3886beae91f372c8d2846d369d8b0b0bd286c24607402ba973158b73268"}}], "version": "12.8", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "d89aa6c157d91546a30d9517cb07c356", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Fix mis-planning of repeated application of a projection step", "evidence": {"same_day": true, "patch_ids": ["3f5560ec6ca035f9aedd584b3d1a0ac0"], "statement_hash": "e559b3886beae91f372c8d2846d369d8b0b0bd286c24607402ba973158b73268"}, "url": "/docs/compare/?release=13.4#13.4-ae65d01fc545f778", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "461d9174aeb12206f6582ef13df16668", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Fix mis-planning of repeated application of a projection step", "evidence": {"same_day": true, "patch_ids": ["3f5560ec6ca035f9aedd584b3d1a0ac0"], "statement_hash": "e559b3886beae91f372c8d2846d369d8b0b0bd286c24607402ba973158b73268"}, "url": "/docs/compare/?release=11.13#11.13-0123c234ec942f92", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}]}, {"id": "12.8-e43fe95675839650", "cves": ["CVE-2021-3449"], "html": "Disallow SSL renegotiation more completely (Michael Paquier) §
\nSSL renegotiation has been disabled for some time, but the server would still cooperate with a client-initiated renegotiation request. A maliciously crafted renegotiation request could result in a server crash (see OpenSSL issue CVE-2021-3449). Disable the feature altogether on OpenSSL versions that permit doing so, which are 1.1.0h and newer.
", "text": "Disallow SSL renegotiation more completely (Michael Paquier) § SSL renegotiation has been disabled for some time, but the server would still cooperate with a client-initiated renegotiation request. A maliciously crafted renegotiation request could result in a server crash (see OpenSSL issue CVE-2021-3449). Disable the feature altogether on OpenSSL versions that permit doing so, which are 1.1.0h and newer.", "title": "Disallow SSL renegotiation more completely", "commits": ["3f8072be8"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.8/#id-1.11.6.20.5", "source_hash": "95aa029fcd79ea629f20e465380741f0df3aa27752222071cfaa3db1d5b2b930", "section_path": ["Changes"], "commit_groups": [["01e6f1a84", "3f8072be8", "7777df34d", "96918b76f", "a23c0b00f", "c64b5d10d"]], "identity_text": "Disallow SSL renegotiation more completely (Michael Paquier) SSL renegotiation has been disabled for some time, but the server would still cooperate with a client-initiated renegotiation request. A maliciously crafted renegotiation request could result in a server crash (see OpenSSL issue CVE-2021-3449). Disable the feature altogether on OpenSSL versions that permit doing so, which are 1.1.0h and newer.", "commit_aliases": ["01e6f1a84", "3f8072be8", "7777df34d", "96918b76f", "a23c0b00f", "c64b5d10d"], "source_commits": ["3f8072be8"], "source_entry_id": "12.8/changes/002", "db_id": "b709758bedd697c77455c5261f332edb", "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0", "relations": [{"rule": 2, "type": "equivalent", "target": "3d9d70a83323ba8f7bcf8c582f40cb46", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}}, {"rule": 2, "type": "equivalent", "target": "4f2b18ee3f4784fef09ad3379cf02069", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}}, {"rule": 2, "type": "equivalent", "target": "9fb3a6ab9cc88bd231af587ca0282062", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}}, {"rule": 2, "type": "equivalent", "target": "b7147cf9842278bd6788921da285b6d2", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}}], "version": "12.8", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4f2b18ee3f4784fef09ad3379cf02069", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Disallow SSL renegotiation more completely", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}, "url": "/docs/compare/?release=13.4#13.4-a0b88642ddb5cf86", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "9fb3a6ab9cc88bd231af587ca0282062", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Disallow SSL renegotiation more completely", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}, "url": "/docs/compare/?release=11.13#11.13-7d6902ca733e9938", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}, {"db_id": "b7147cf9842278bd6788921da285b6d2", "kind": "equivalent", "version": "10.18", "label": "10.18", "title": "Disallow SSL renegotiation more completely", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}, "url": "/docs/compare/?release=10.18#10.18-7d6902ca733e9938", "source_url": "/docs/release/10.18/#id-1.11.6.10.5"}, {"db_id": "3d9d70a83323ba8f7bcf8c582f40cb46", "kind": "equivalent", "version": "9.6.23", "label": "9.6.23", "title": "Disallow SSL renegotiation more completely", "evidence": {"same_day": true, "patch_ids": ["6bc45f96ca5b384e0377b3d701876272"], "statement_hash": "340d173f1f532f2c9063cf2a30303197c3d9bc46bfac6ce0414ee840829ea9c0"}, "url": "/docs/compare/?release=9.6.23#9.6.23-7d6902ca733e9938", "source_url": "/docs/release/9.6.23/#AEN132078"}]}, {"id": "12.8-3fa3d59d3e30928d", "cves": [], "html": "Restore the Portal-level snapshot after COMMIT or ROLLBACK within a procedure (Tom Lane) § § § § §
This change fixes cases where an attempt to fetch a toasted value immediately after COMMIT/ROLLBACK would fail with errors like “no known snapshots” or “missing chunk number 0 for toast value”.
Some extensions may attempt to execute SQL code outside of any Portal. They are responsible for ensuring that an outer snapshot exists before doing so. Previously, not providing a snapshot might work or it might not; now it will consistently fail with “cannot execute SQL without an outer snapshot or portal”.
", "text": "Restore the Portal-level snapshot after COMMIT or ROLLBACK within a procedure (Tom Lane) § § § § § This change fixes cases where an attempt to fetch a toasted value immediately after COMMIT/ROLLBACK would fail with errors like “no known snapshots” or “missing chunk number 0 for toast value”. Some extensions may attempt to execute SQL code outside of any Portal. They are responsible for ensuring that an outer snapshot exists before doing so. Previously, not providing a snapshot might work or it might not; now it will consistently fail with “cannot execute SQL without an outer snapshot or portal”.", "title": "Restore the Portal-level snapshot after COMMIT or ROLLBACK within a procedure", "commits": ["26383da7d", "29d5d5761", "41c6a5bec", "8d341d6cb", "f26043645"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.8/#id-1.11.6.20.5", "source_hash": "9441a2e9020f7e5deeaf5899c161ea3a8806cc529cd03f536c144177627fd222", "section_path": ["Changes"], "commit_groups": [["0c1b2cb17", "8d341d6cb", "c64183f23", "f21fadafa"], ["26383da7d", "3a09d75b4", "6e43f1c2d", "eea081ad0"], ["29d5d5761", "6f1321d5a", "77200c569", "d102aafb6"], ["41c6a5bec", "84f5c2908", "d18ee6f92", "ef9480509"], ["93f99693f", "cefb1230e", "ec410c985", "ef12f32c0", "f26043645"]], "identity_text": "Restore the Portal-level snapshot after COMMIT or ROLLBACK within a procedure (Tom Lane) This change fixes cases where an attempt to fetch a toasted value immediately after COMMIT/ROLLBACK would fail with errors like no known snapshots or missing chunk number 0 for toast value. Some extensions may attempt to execute SQL code outside of any Portal. They are responsible for ensuring that an outer snapshot exists before doing so. Previously, not providing a snapshot might work or it might not; now it will consistently fail with cannot execute SQL without an outer snapshot or portal.", "commit_aliases": ["0c1b2cb17", "26383da7d", "29d5d5761", "3a09d75b4", "41c6a5bec", "6e43f1c2d", "6f1321d5a", "77200c569", "84f5c2908", "8d341d6cb", "93f99693f", "c64183f23", "cefb1230e", "d102aafb6", "d18ee6f92", "ec410c985", "eea081ad0", "ef12f32c0", "ef9480509", "f21fadafa", "f26043645"], "source_commits": ["26383da7d", "29d5d5761", "41c6a5bec", "8d341d6cb", "f26043645"], "source_entry_id": "12.8/changes/003", "db_id": "10ccb8269ee55bc1e763b3e9c8fc2167", "patch_ids": ["1ff786556077a70d23aadfc3a157a434", "2557dddc4e80c849124ed3485f9124ca", "bf98993337ad07a07a0f3d96773a6fb5", "c862f855cb94cc61e6e8820367509197", "f4ddfca2a115fb32d5528fbbd938f8c2"], "statement_hash": "26db513d393d78a5588c3e9a4524abb329343a95d8e7d2481fbbe973f6814ff3", "relations": [{"rule": 2, "type": "equivalent", "target": "1bbe0fb6d7d017b02ef4f546c5a08c35", "evidence": {"same_day": true, "patch_ids": ["1ff786556077a70d23aadfc3a157a434", "2557dddc4e80c849124ed3485f9124ca", "bf98993337ad07a07a0f3d96773a6fb5", "c862f855cb94cc61e6e8820367509197", "f4ddfca2a115fb32d5528fbbd938f8c2"], "statement_hash": "26db513d393d78a5588c3e9a4524abb329343a95d8e7d2481fbbe973f6814ff3"}}, {"rule": 2, "type": "equivalent", "target": "af1c2e17c991da585c574a54d8491107", "evidence": {"same_day": true, "patch_ids": ["1ff786556077a70d23aadfc3a157a434", "2557dddc4e80c849124ed3485f9124ca", "bf98993337ad07a07a0f3d96773a6fb5", "c862f855cb94cc61e6e8820367509197", "f4ddfca2a115fb32d5528fbbd938f8c2"], "statement_hash": "26db513d393d78a5588c3e9a4524abb329343a95d8e7d2481fbbe973f6814ff3"}}], "version": "12.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1bbe0fb6d7d017b02ef4f546c5a08c35", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Restore the Portal-level snapshot after COMMIT or ROLLBACK within a procedure", "evidence": {"same_day": true, "patch_ids": ["1ff786556077a70d23aadfc3a157a434", "2557dddc4e80c849124ed3485f9124ca", "bf98993337ad07a07a0f3d96773a6fb5", "c862f855cb94cc61e6e8820367509197", "f4ddfca2a115fb32d5528fbbd938f8c2"], "statement_hash": "26db513d393d78a5588c3e9a4524abb329343a95d8e7d2481fbbe973f6814ff3"}, "url": "/docs/compare/?release=13.4#13.4-b28306aa2e65e73f", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "af1c2e17c991da585c574a54d8491107", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Restore the Portal-level snapshot after COMMIT or ROLLBACK within a procedure", "evidence": {"same_day": true, "patch_ids": ["1ff786556077a70d23aadfc3a157a434", "2557dddc4e80c849124ed3485f9124ca", "bf98993337ad07a07a0f3d96773a6fb5", "c862f855cb94cc61e6e8820367509197", "f4ddfca2a115fb32d5528fbbd938f8c2"], "statement_hash": "26db513d393d78a5588c3e9a4524abb329343a95d8e7d2481fbbe973f6814ff3"}, "url": "/docs/compare/?release=11.13#11.13-ac91bd6bee90f7d6", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}]}, {"id": "12.8-64934100c6e796c7", "cves": [], "html": "Avoid misbehavior when persisting the output of a cursor that's reading a non-stable query (Tom Lane) § §
\nPreviously, we'd always rewind and re-read the whole query result, possibly getting results different from the earlier execution, causing great confusion later. For a NO SCROLL cursor, we can fix this by only storing the not-yet-read portion of the query output, which is sufficient since a NO SCROLL cursor can't be backed up. Cursors with the SCROLL option remain at hazard, but that was already documented to be an unsafe option to use with a non-stable query. Make those documentation warnings stronger.
\nAlso force NO SCROLL mode for the implicit cursor used by a PL/pgSQL FOR-over-query loop, to avoid this type of problem when persisting such a cursor during an intra-procedure commit.
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This should be disallowed, just as FOR UPDATE with a plain GROUP BY is disallowed, but the test for that failed to handle empty grouping sets correctly. The end result would be a null-pointer dereference in the executor.
Reject cases where a query in WITH rewrites to just NOTIFY (Tom Lane) §
Such cases previously crashed.
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Fix corner-case errors and loss of precision when raising numeric values to very large powers (Dean Rasheed) § §
Fix division-by-zero failure in to_char() with EEEE format and a numeric input value less than 10^(-1001) (Dean Rasheed) §
Fix pg_size_pretty(bigint) to round negative values consistently with the way it rounds positive ones (and consistently with the numeric version) (Dean Rasheed, David Rowley) § §
Make pg_filenode_relation(0, 0) return NULL rather than failing (Justin Pryzby) §
Make ALTER EXTENSION lock the extension when adding or removing a member object (Tom Lane) §
The previous coding allowed ALTER EXTENSION ADD/DROP to occur concurrently with DROP EXTENSION, leading to a crash or corrupt catalog entries.
Fix ALTER SUBSCRIPTION to reject an empty slot name (Japin Li) §
When cloning a partitioned table's triggers to a new partition, ensure that their enabled status is copied (Álvaro Herrera) §
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This command failed on materialized views containing columns with certain names, notably mv and newdata.
Fix PREPARE TRANSACTION to check correctly for conflicting session-lifespan and transaction-lifespan locks (Tom Lane) §
A transaction cannot be prepared if it has both session-lifespan and transaction-lifespan locks on the same advisory-lock ID value. This restriction was not fully checked, which could lead to a PANIC during PREPARE TRANSACTION.
Fix misbehavior of DROP OWNED BY when the target role is listed more than once in an RLS policy (Tom Lane) §
Skip unnecessary error tests when removing a role from an RLS policy during DROP OWNED BY (Tom Lane) §
Notably, this fixes some cases where it was necessary to be a superuser to use DROP OWNED BY.
Disallow whole-row variables in GENERATED expressions (Tom Lane) §
Use of a whole-row variable clearly violates the rule that a generated column cannot depend on itself, so such cases have no well-defined behavior. The actual behavior frequently included a crash.
", "text": "Disallow whole-row variables in GENERATED expressions (Tom Lane) § Use of a whole-row variable clearly violates the rule that a generated column cannot depend on itself, so such cases have no well-defined behavior. The actual behavior frequently included a crash.", "title": "Disallow whole-row variables in GENERATED expressions", "commits": ["61feb8670"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.8/#id-1.11.6.20.5", "source_hash": "f823b02f79b8609f86716ba6d601ab3f20881bcbe50defea2fc1d90c7bbce324", "section_path": ["Changes"], "commit_groups": [["4b1007445", "61feb8670", "849c7971d"]], "identity_text": "Disallow whole-row variables in GENERATED expressions (Tom Lane) Use of a whole-row variable clearly violates the rule that a generated column cannot depend on itself, so such cases have no well-defined behavior. The actual behavior frequently included a crash.", "commit_aliases": ["4b1007445", "61feb8670", "849c7971d"], "source_commits": ["61feb8670"], "source_entry_id": "12.8/changes/019", "db_id": "2fc1b76a55c45620a553a2d1df7a0ce9", "patch_ids": ["7ced96bbbc4a5a1c08a482b30cdabd9f"], "statement_hash": "d7eb55abbc7084be0f7a5dfe644f121aaa498e0016f689b4a4c2d093bc0ddabd", "relations": [{"rule": 2, "type": "equivalent", "target": "01a883b8d2a9a82d40b9013ac4dd7c05", "evidence": {"same_day": true, "patch_ids": ["7ced96bbbc4a5a1c08a482b30cdabd9f"], "statement_hash": "d7eb55abbc7084be0f7a5dfe644f121aaa498e0016f689b4a4c2d093bc0ddabd"}}], "version": "12.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "01a883b8d2a9a82d40b9013ac4dd7c05", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Disallow whole-row variables in GENERATED expressions", "evidence": {"same_day": true, "patch_ids": ["7ced96bbbc4a5a1c08a482b30cdabd9f"], "statement_hash": "d7eb55abbc7084be0f7a5dfe644f121aaa498e0016f689b4a4c2d093bc0ddabd"}, "url": "/docs/compare/?release=13.4#13.4-ce7aae02a6bcf40f", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}]}, {"id": "12.8-0610a10509b12ad3", "cves": [], "html": "Fix usage of tableoid in GENERATED expressions (Tom Lane) §
Some code paths failed to provide a valid value for this system column while evaluating a GENERATED expression.
Don't store a “fast default” when adding a column to a foreign table (Andrew Dunstan) §
\nThe fast default is useless since no local heap storage exists for such a table, but it confused subsequent operations. In addition to suppressing creation of such catalog entries in ALTER TABLE commands, adjust the downstream code to cope when one is incorrectly present.
Allow index state flags to be updated transactionally (Michael Paquier, Andrey Lepikhov) § §
\nThis avoids failures when dealing with index predicates that aren't really immutable. While that's not considered a supported case, the original reason for using a non-transactional update here is long gone, so we may as well change it.
", "text": "Allow index state flags to be updated transactionally (Michael Paquier, Andrey Lepikhov) § § This avoids failures when dealing with index predicates that aren't really immutable. While that's not considered a supported case, the original reason for using a non-transactional update here is long gone, so we may as well change it.", "title": "Allow index state flags to be updated transactionally", "commits": ["ce8949c4b", "e52f7cbec"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.8/#id-1.11.6.20.5", "source_hash": "13d9356dee26ee42b98a62553a7c9f4f6c3db508f62931e4384170cebe0ed63c", "section_path": ["Changes"], "commit_groups": [["08acba558", "3c465883b", "83158f74d", "acb60edf0", "d3d0cbeb6", "e52f7cbec"], ["09a69f6e2", "21257a8f6", "38ca11ade", "5160d5bb1", "ce8949c4b", "fd7bc10ab"]], "identity_text": "Allow index state flags to be updated transactionally (Michael Paquier, Andrey Lepikhov) This avoids failures when dealing with index predicates that aren't really immutable. 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Fix mis-planning of queries involving regular tables that are inheritance children of foreign tables (Amit Langote) §
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Fix corner-case failure of a new standby to follow a new primary (Dilip Kumar, Robert Haas) § § § § § §
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Don't abort the process for an out-of-memory failure in libpq's printing functions (Tom Lane) §
", "text": "Don't abort the process for an out-of-memory failure in libpq's printing functions (Tom Lane) §", "title": "Don't abort the process for an out-of-memory failure in libpq's printing functions", "commits": ["240d56fc4"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.8/#id-1.11.6.20.5", "source_hash": "9fc5e1ca1e3070273f4d63e6f9d143367c81731625b5a1ab6501145e049f0c52", "section_path": ["Changes"], "commit_groups": [["06a2b2fe5", "1603deca3", "240d56fc4", "34c24e5a4", "6f5d9bce5", "b54be47cd", "cf1f545bf"]], "identity_text": "Don't abort the process for an out-of-memory failure in libpq's printing functions (Tom Lane)", "commit_aliases": ["06a2b2fe5", "1603deca3", "240d56fc4", "34c24e5a4", "6f5d9bce5", "b54be47cd", "cf1f545bf"], "source_commits": ["240d56fc4"], "source_entry_id": "12.8/changes/045", "db_id": "e37949475727735828fe77538d712cf9", "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac", "relations": [{"rule": 2, "type": "equivalent", "target": "3c07f943acf446d851cab8d387077080", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}}, {"rule": 2, "type": "equivalent", "target": "5b1aa7d0496ca1556a44ef957a1dd535", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}}, {"rule": 2, "type": "equivalent", "target": "dd793ace1c1335839fd2ecde0fa2664a", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}}, {"rule": 2, "type": "equivalent", "target": "e0cc952cfb8f2465138a45467d8daf9c", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}}], "version": "12.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "dd793ace1c1335839fd2ecde0fa2664a", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Don't abort the process for an out-of-memory failure in libpq's printing functions", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}, "url": "/docs/compare/?release=13.4#13.4-a119c426becccc96", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "5b1aa7d0496ca1556a44ef957a1dd535", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Don't abort the process for an out-of-memory failure in libpq's printing functions", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}, "url": "/docs/compare/?release=11.13#11.13-e6cc1e42a0ee5c0d", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}, {"db_id": "3c07f943acf446d851cab8d387077080", "kind": "equivalent", "version": "10.18", "label": "10.18", "title": "Don't abort the process for an out-of-memory failure in libpq's printing functions", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}, "url": "/docs/compare/?release=10.18#10.18-e6cc1e42a0ee5c0d", "source_url": "/docs/release/10.18/#id-1.11.6.10.5"}, {"db_id": "e0cc952cfb8f2465138a45467d8daf9c", "kind": "equivalent", "version": "9.6.23", "label": "9.6.23", "title": "Don't abort the process for an out-of-memory failure in libpq's printing functions", "evidence": {"same_day": true, "patch_ids": ["72d2c94c09f77d4b07ff593f12323001"], "statement_hash": "e8b9bf8d21949f3c06e5c30da98a20ae03225c8489bfce1699bfa037d75255ac"}, "url": "/docs/compare/?release=9.6.23#9.6.23-e6cc1e42a0ee5c0d", "source_url": "/docs/release/9.6.23/#AEN132078"}]}, {"id": "12.8-1f2634d66f4df34e", "cves": [], "html": "In ecpg, allow the numeric value INT_MIN (usually -2147483648) to be converted to integer (John Naylor) §
In psql and other client programs, avoid overrunning the ends of strings when dealing with invalidly-encoded data (Tom Lane) §
\nAn incorrectly-encoded multibyte character near the end of a string could cause various processing loops to run past the string's terminating NUL, with results ranging from no detectable issue to a program crash, depending on what happens to be in the following memory. This is reminiscent of CVE-2006-2313, although these particular cases do not appear to have interesting security consequences.
", "text": "In psql and other client programs, avoid overrunning the ends of strings when dealing with invalidly-encoded data (Tom Lane) § An incorrectly-encoded multibyte character near the end of a string could cause various processing loops to run past the string's terminating NUL, with results ranging from no detectable issue to a program crash, depending on what happens to be in the following memory. 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Previously, the new installation's oldestXID was set to a value old enough to (usually) force immediate anti-wraparound autovacuuming. That's not desirable from a performance standpoint; what's worse, installations using large values of autovacuum_freeze_max_age could suffer unwanted forced shutdowns soon after an upgrade.
Extend pg_upgrade to detect and warn about extensions that should be upgraded (Bruce Momjian) § §
\nA script file is now produced containing the ALTER EXTENSION UPDATE commands needed to bring extensions up to the versions that are considered default in the new installation.
Avoid problems when switching pg_receivewal between compressed and non-compressed WAL storage (Michael Paquier) § §
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postgres_fdw will now behave reasonably with generated columns, so long as a generated column in a foreign table represents a generated column in the remote table. IMPORT FOREIGN SCHEMA will now import generated columns that way by default.
In contrib/postgres_fdw, avoid attempting catalog lookups after an error (Tom Lane) §
While this usually worked, it's not very safe since the error might have been one that made catalog access nonfunctional. A side effect of the fix is that messages about data conversion errors will now mention the query's table and column aliases (if used) rather than the true underlying name of a foreign table or column.
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A dump/restore is not required for those running 12.X.
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If the UPDATE list contains any multi-column sub-selects (which give rise to junk columns in addition to the results proper), the UPDATE path would end up storing tuples that include the values of the extra junk columns. That's fairly harmless in the short run, but if new columns are added to the table then the values would become accessible, possibly leading to malfunctions if they don't match the datatypes of the added columns.
In addition, in versions supporting cross-partition updates, a cross-partition update triggered by such a case had the reverse problem: the junk columns were removed from the target list, typically causing an immediate crash due to malfunction of the multi-column sub-select mechanism. (CVE-2021-32028)
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UPDATE target lists", "commits": ["a5fa3e067"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "153bf1846a9d6a0fb3ac680e91e9f36d3c1ee81733f5893806153d672a9e1a5e", "section_path": ["Changes"], "commit_groups": [["049e1e2ed", "0fcb8e2e0", "4a8656a7e", "52a441362", "a5fa3e067", "b7d1f32ff"]], "identity_text": "Fix mishandling of junk columns in INSERT ... ON CONFLICT ... UPDATE target lists (Tom Lane) If the UPDATE list contains any multi-column sub-selects (which give rise to junk columns in addition to the results proper), the UPDATE path would end up storing tuples that include the values of the extra junk columns. That's fairly harmless in the short run, but if new columns are added to the table then the values would become accessible, possibly leading to malfunctions if they don't match the datatypes of the added columns. In addition, in versions supporting cross-partition updates, a cross-partition update triggered by such a case had the reverse problem: the junk columns were removed from the target list, typically causing an immediate crash due to malfunction of the multi-column sub-select mechanism. 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RETURNING outputs for joined cross-partition updates (Amit Langote, Etsuro Fujita) § §
If an UPDATE for a partitioned table caused a row to be moved to another partition with a physically different row type (for example, one with a different set of dropped columns), computation of RETURNING results for that row could produce errors or wrong answers. No error is observed unless the UPDATE involves other tables being joined to the target table. (CVE-2021-32029)
Fix adjustment of constraint deferrability properties in partitioned tables (Álvaro Herrera) §
\nWhen applied to a foreign-key constraint of a partitioned table, ALTER TABLE ... ALTER CONSTRAINT failed to adjust the DEFERRABLE and/or INITIALLY DEFERRED markings of the constraints and triggers of leaf partitions. This led to unexpected behavior of such constraints. After updating to this version, any misbehaving partitioned tables can be fixed by executing a new ALTER command to set the desired properties.
This change also disallows applying such an ALTER directly to the constraints of leaf partitions. The only supported case is for the whole partitioning hierarchy to have identical constraint properties, so such ALTERs must be applied at the partition root.
When attaching a child table with ALTER TABLE ... INHERIT, insist that any generated columns in the parent be generated the same way in the child (Peter Eisentraut) §
Forbid marking an identity column as nullable (Vik Fearing) §
\nGENERATED ... AS IDENTITY implies NOT NULL, so don't allow it to be combined with an explicit NULL specification.
Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters (Tom Lane) §
Previously, over-eager validity checks might reject these commands, even if the values would have worked when used later. This created a command ordering hazard for dump/reload and upgrade scenarios.
", "text": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters (Tom Lane) § Previously, over-eager validity checks might reject these commands, even if the values would have worked when used later. This created a command ordering hazard for dump/reload and upgrade scenarios.", "title": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters", "commits": ["a7fcb6285"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "5da8bdb2a91a7f9f6edc3006de8ca2e7e8f9ede6463391e7389378f448c5bf52", "section_path": ["Changes"], "commit_groups": [["041f4efd2", "46b6635b7", "69d5ca484", "a7fcb6285", "c39aa1e87", "c7f0275fb"]], "identity_text": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters (Tom Lane) Previously, over-eager validity checks might reject these commands, even if the values would have worked when used later. This created a command ordering hazard for dump/reload and upgrade scenarios.", "commit_aliases": ["041f4efd2", "46b6635b7", "69d5ca484", "a7fcb6285", "c39aa1e87", "c7f0275fb"], "source_commits": ["a7fcb6285"], "source_entry_id": "12.7/changes/007", "db_id": "e97862062ce0ecf8f4295eda9e69b3e7", "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3", "relations": [{"rule": 2, "type": "equivalent", "target": "043ff6cd519d8bec7a87d4f43ead62c5", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}}, {"rule": 2, "type": "equivalent", "target": "c3314c5d1c83f2209c3e6d3b60ed537c", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}}, {"rule": 2, "type": "equivalent", "target": "d0451410730607800b5df7d2e7948715", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}}, {"rule": 2, "type": "equivalent", "target": "d86c969ac905b3cd2d03d2be6b46b1ae", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}}], "version": "12.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "d0451410730607800b5df7d2e7948715", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}, "url": "/docs/compare/?release=13.3#13.3-5941ada8f8acfccd", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "d86c969ac905b3cd2d03d2be6b46b1ae", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}, "url": "/docs/compare/?release=11.12#11.12-5a2f143c8a31c92a", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "c3314c5d1c83f2209c3e6d3b60ed537c", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}, "url": "/docs/compare/?release=10.17#10.17-5a2f143c8a31c92a", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}, {"db_id": "043ff6cd519d8bec7a87d4f43ead62c5", "kind": "equivalent", "version": "9.6.22", "label": "9.6.22", "title": "Allow ALTER ROLE/DATABASE ... SET to set the role, session_authorization, and temp_buffers parameters", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}, "url": "/docs/compare/?release=9.6.22#9.6.22-5a2f143c8a31c92a", "source_url": "/docs/release/9.6.22/#AEN132280"}]}, {"id": "12.7-0fc8b473d2546509", "cves": [], "html": "Ensure that REINDEX CONCURRENTLY preserves any statistics target that's been set for the index (Michael Paquier) § §
Fix COMMIT AND CHAIN to work correctly when the current transaction has live savepoints (Fujii Masao) §
Fix bug with coercing the result of a COLLATE expression to a non-collatable type (Tom Lane) §
This led to a parse tree in which the COLLATE appears to be applied to a non-collatable value. While that normally has no real impact (since COLLATE has no effect at runtime), it was possible to construct views that would be rejected during dump/reload.
Fix use-after-free bug in saving tuples for AFTER triggers (Amit Langote) §
This could cause crashes in some situations.
", "text": "Fix use-after-free bug in saving tuples for AFTER triggers (Amit Langote) § This could cause crashes in some situations.", "title": "Fix use-after-free bug in saving tuples for AFTER triggers", "commits": ["262eb990c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "333a02feb47145d09ef29b765828da1421399a385bf60b807d0ff9810c7382c0", "section_path": ["Changes"], "commit_groups": [["25936fd46", "262eb990c", "2688852a4"]], "identity_text": "Fix use-after-free bug in saving tuples for AFTER triggers (Amit Langote) This could cause crashes in some situations.", "commit_aliases": ["25936fd46", "262eb990c", "2688852a4"], "source_commits": ["262eb990c"], "source_entry_id": "12.7/changes/011", "db_id": "815a9207b62cee7f514d44a006b40da3", "patch_ids": ["e930f83e6b676948d8ec23e440ef2b9e"], "statement_hash": "f33c46d06cc94392cd131fc9113ad371a29406aa2dc86176de4c7c7a9926cadb", "relations": [{"rule": 2, "type": "equivalent", "target": "eeae21700f5b61c6da643158de541e80", "evidence": {"same_day": true, "patch_ids": ["e930f83e6b676948d8ec23e440ef2b9e"], "statement_hash": "f33c46d06cc94392cd131fc9113ad371a29406aa2dc86176de4c7c7a9926cadb"}}], "version": "12.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "eeae21700f5b61c6da643158de541e80", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Fix use-after-free bug in saving tuples for AFTER triggers", "evidence": {"same_day": true, "patch_ids": ["e930f83e6b676948d8ec23e440ef2b9e"], "statement_hash": "f33c46d06cc94392cd131fc9113ad371a29406aa2dc86176de4c7c7a9926cadb"}, "url": "/docs/compare/?release=13.3#13.3-abdc152e14cb409f", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}]}, {"id": "12.7-06b0536ea0d66ab4", "cves": [], "html": "Disallow calling window functions and procedures via the “fast path” wire protocol message (Tom Lane) §
\nOnly plain functions are supported here. While trying to call an aggregate function failed already, calling a window function would crash, and calling a procedure would work only if the procedure did no transaction control.
", "text": "Disallow calling window functions and procedures via the “fast path” wire protocol message (Tom Lane) § Only plain functions are supported here. While trying to call an aggregate function failed already, calling a window function would crash, and calling a procedure would work only if the procedure did no transaction control.", "title": "Disallow calling window functions and procedures via the “fast path” wire protocol message", "commits": ["89768ee69"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "66ae9409150c81f179753946d85d465a1a3b197bd4acce749b64ab8e9a96c71e", "section_path": ["Changes"], "commit_groups": [["0627f3630", "2efcd502e", "4d225ba0e", "73bad52a9", "89768ee69", "ebc2ff076"]], "identity_text": "Disallow calling window functions and procedures via the fast path wire protocol message (Tom Lane) Only plain functions are supported here. While trying to call an aggregate function failed already, calling a window function would crash, and calling a procedure would work only if the procedure did no transaction control.", "commit_aliases": ["0627f3630", "2efcd502e", "4d225ba0e", "73bad52a9", "89768ee69", "ebc2ff076"], "source_commits": ["89768ee69"], "source_entry_id": "12.7/changes/012", "db_id": "03906a7c8653f859466c2026e48f63c6", "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1", "relations": [{"rule": 2, "type": "equivalent", "target": "1b8f2a45a9d2e935788f99131bc2b253", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}}, {"rule": 2, "type": "equivalent", "target": "7778f3a32b2fa6ab9761805a1e3b4fba", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}}, {"rule": 2, "type": "equivalent", "target": "dea30517e2656d30b3618508113e7285", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}}, {"rule": 2, "type": "equivalent", "target": "e8af7a374034d509284f19f6cc78df61", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}}], "version": "12.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7778f3a32b2fa6ab9761805a1e3b4fba", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Disallow calling window functions and procedures via the “fast path” wire protocol message", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}, "url": "/docs/compare/?release=13.3#13.3-073a4739a4f40fc4", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "dea30517e2656d30b3618508113e7285", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Disallow calling window functions and procedures via the “fast path” wire protocol message", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}, "url": "/docs/compare/?release=11.12#11.12-531f0c10b0a71a00", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "e8af7a374034d509284f19f6cc78df61", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Disallow calling window functions and procedures via the “fast path” wire protocol message", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}, "url": "/docs/compare/?release=10.17#10.17-531f0c10b0a71a00", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}, {"db_id": "1b8f2a45a9d2e935788f99131bc2b253", "kind": "equivalent", "version": "9.6.22", "label": "9.6.22", "title": "Disallow calling window functions and procedures via the \"fast path\" wire protocol message", "evidence": {"same_day": true, "patch_ids": ["667c9c9431f60d4a73a55e73368d7b0b"], "statement_hash": "34f948486de4d5d1f8593252025399f5242d545d3707015a511b6f7f873b0ca1"}, "url": "/docs/compare/?release=9.6.22#9.6.22-7207ba54cd66831d", "source_url": "/docs/release/9.6.22/#AEN132280"}]}, {"id": "12.7-43013edea40caf2a", "cves": [], "html": "Extend pg_identify_object_as_address() to support event triggers (Joel Jacobson) § §
Fix to_char()'s handling of Roman-numeral month format codes with negative intervals (Julien Rouhaud) §
Previously, such cases would usually cause a crash.
", "text": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals (Julien Rouhaud) § Previously, such cases would usually cause a crash.", "title": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals", "commits": ["82dd5706e"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "4cec93cd8ae248c9410fab4f3203d1659788b1fd82782f2d968ecb17f07e4638", "section_path": ["Changes"], "commit_groups": [["1cc110f68", "5656f2c3d", "6540322fa", "7a3972597", "82dd5706e", "be79debd9"]], "identity_text": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals (Julien Rouhaud) Previously, such cases would usually cause a crash.", "commit_aliases": ["1cc110f68", "5656f2c3d", "6540322fa", "7a3972597", "82dd5706e", "be79debd9"], "source_commits": ["82dd5706e"], "source_entry_id": "12.7/changes/014", "db_id": "bd638f861b8f78c34f8208fab8338b52", "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5", "relations": [{"rule": 2, "type": "equivalent", "target": "0a104851ab53b64998bf762315515496", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}}, {"rule": 2, "type": "equivalent", "target": "40cc08f45f115d84fadcd5703140f2f9", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}}, {"rule": 2, "type": "equivalent", "target": "9f5b7d05c6c1db76a9ca6065f9203b1a", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}}, {"rule": 2, "type": "equivalent", "target": "b7c10db782f367caba5ef19f3462459b", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}}], "version": "12.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b7c10db782f367caba5ef19f3462459b", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}, "url": "/docs/compare/?release=13.3#13.3-9ee98f84b0afbd4f", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "0a104851ab53b64998bf762315515496", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}, "url": "/docs/compare/?release=11.12#11.12-4b8845d92b257d0a", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "40cc08f45f115d84fadcd5703140f2f9", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}, "url": "/docs/compare/?release=10.17#10.17-4b8845d92b257d0a", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}, {"db_id": "9f5b7d05c6c1db76a9ca6065f9203b1a", "kind": "equivalent", "version": "9.6.22", "label": "9.6.22", "title": "Fix to_char()'s handling of Roman-numeral month format codes with negative intervals", "evidence": {"same_day": true, "patch_ids": ["7319000da5c8ae3f6b56ed68a4ee9dfa"], "statement_hash": "34e9a02c4aed166a4f2a8c97b0027c7ddda88f0bdc5d0a9f1e296dc78abc4ac5"}, "url": "/docs/compare/?release=9.6.22#9.6.22-4b8845d92b257d0a", "source_url": "/docs/release/9.6.22/#AEN132280"}]}, {"id": "12.7-ab309e466e18148f", "cves": [], "html": "Check that the argument of pg_import_system_collations() is a valid schema OID (Tom Lane) §
Fix use of uninitialized value while parsing an \\{ quantifier in a BRE-mode regular expression (Tom Lane) §m,n\\}
This error could cause the quantifier to act non-greedy, that is behave like an { quantifier would do in full regular expressions.m,n}?
Don't ignore system columns when estimating the number of groups using extended statistics (Tomas Vondra) §
\nThis led to strange estimates for queries such as SELECT ... GROUP BY a, b, ctid.
Avoid divide-by-zero when estimating selectivity of a regular expression with a very long fixed prefix (Tom Lane) §
\nThis typically led to a NaN selectivity value, causing assertion failures or strange planner behavior.
Fix access-off-the-end-of-the-table error in BRIN index bitmap scans (Tomas Vondra) §
\nIf the page range size used by a BRIN index isn't a power of two, there were corner cases in which a bitmap scan could try to fetch pages past the actual end of the table, leading to “could not open file” errors.
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\nThis error could lead to subsequent WAL records being written under the wrong timeline ID, leading to consistency problems, or even complete failure to be able to restart the server, later on.
", "text": "Avoid incorrect timeline change while recovering uncommitted two-phase transactions from WAL (Soumyadeep Chakraborty, Jimmy Yih, Kevin Yeap) § This error could lead to subsequent WAL records being written under the wrong timeline ID, leading to consistency problems, or even complete failure to be able to restart the server, later on.", "title": "Avoid incorrect timeline change while recovering uncommitted two-phase transactions from WAL", "commits": ["4b1dd9b1e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "d89d02caace9f90fad80593790982abe73c007541c5793de9062de415bf16073", "section_path": ["Changes"], "commit_groups": [["1ec7162a8", "4b1dd9b1e", "595b9cba2", "6e5ce888a", "f1d550f18"]], "identity_text": "Avoid incorrect timeline change while recovering uncommitted two-phase transactions from WAL (Soumyadeep Chakraborty, Jimmy Yih, Kevin Yeap) This error could lead to subsequent WAL records being written under the wrong timeline ID, leading to consistency problems, or even complete failure to be able to restart the server, later on.", "commit_aliases": ["1ec7162a8", "4b1dd9b1e", "595b9cba2", "6e5ce888a", "f1d550f18"], "source_commits": ["4b1dd9b1e"], "source_entry_id": "12.7/changes/020", "db_id": "23f21299dd74193efff4e9202ddcda7d", "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61", "relations": [{"rule": 2, "type": "equivalent", "target": "1b01f5f8148ce71942c1add860ebade0", "evidence": {"same_day": true, "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61"}}, {"rule": 2, "type": "equivalent", "target": "eed0155770501dc8aeec531a7935e994", "evidence": {"same_day": true, "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61"}}, {"rule": 2, "type": "equivalent", "target": "eed68915dba63eb3adcf429dd51b0809", "evidence": {"same_day": true, "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61"}}], "version": "12.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1b01f5f8148ce71942c1add860ebade0", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Avoid incorrect timeline change while recovering uncommitted two-phase transactions from WAL", "evidence": {"same_day": true, "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61"}, "url": "/docs/compare/?release=13.3#13.3-6caafe2c96cb71d0", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "eed68915dba63eb3adcf429dd51b0809", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Avoid incorrect timeline change while recovering uncommitted two-phase transactions from WAL", "evidence": {"same_day": true, "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61"}, "url": "/docs/compare/?release=11.12#11.12-72db98433f014df8", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "eed0155770501dc8aeec531a7935e994", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Avoid incorrect timeline change while recovering uncommitted two-phase transactions from WAL", "evidence": {"same_day": true, "patch_ids": ["8555ef9033c6fdc9c3cf59ee6c6e74df"], "statement_hash": "386f25212cfbae5a11373c68371721dad1668575c47e26c81bd24bad4a00ce61"}, "url": "/docs/compare/?release=10.17#10.17-72db98433f014df8", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}]}, {"id": "12.7-ef3ade4b27c85a8b", "cves": [], "html": "Ensure that locks are released while shutting down a standby server's startup process (Fujii Masao) §
\nWhen a standby server is shut down while still in recovery, some locks might be left held. This causes assertion failures in debug builds; it's unclear whether any serious consequence could occur in production builds.
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The core code won't do this, but a replica trigger could.
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Ensure we finish cleaning up when interrupted while detaching a DSM segment (Thomas Munro) §
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Fix psql's ON_ERROR_ROLLBACK feature to handle COMMIT AND CHAIN commands correctly (Arthur Nascimento) §
Previously, this case failed with “savepoint \"pg_psql_temporary_savepoint\" does not exist”.
", "text": "Fix psql's ON_ERROR_ROLLBACK feature to handle COMMIT AND CHAIN commands correctly (Arthur Nascimento) § Previously, this case failed with “savepoint \"pg_psql_temporary_savepoint\" does not exist”.", "title": "Fix psql's ON_ERROR_ROLLBACK feature to handle COMMIT AND CHAIN commands correctly", "commits": ["67b3ee292"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "dd5122e92517440ee92e2047f26aa776002ac17f942b4e8d5fc2c88094928b49", "section_path": ["Changes"], "commit_groups": [["67b3ee292", "be7485a1e", "fe06819f1"]], "identity_text": "Fix psql's ON_ERROR_ROLLBACK feature to handle COMMIT AND CHAIN commands correctly (Arthur Nascimento) Previously, this case failed with savepoint \"pg_psql_temporary_savepoint\" does not exist.", "commit_aliases": ["67b3ee292", "be7485a1e", "fe06819f1"], "source_commits": ["67b3ee292"], "source_entry_id": "12.7/changes/032", "db_id": "a604a24fcdfd08328f9e35d6b7ad0289", "patch_ids": ["9c951d59b5ab2de56affd68fc6279f77"], "statement_hash": "9347ba15375638d7580d2e1d533c21c7882ff7e35ba05d7e0af0a685359ae502", "relations": [{"rule": 2, "type": "equivalent", "target": "ba0102e30ddaddf1298eeed83e300e0c", "evidence": {"same_day": true, "patch_ids": ["9c951d59b5ab2de56affd68fc6279f77"], "statement_hash": "9347ba15375638d7580d2e1d533c21c7882ff7e35ba05d7e0af0a685359ae502"}}], "version": "12.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ba0102e30ddaddf1298eeed83e300e0c", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Fix psql's ON_ERROR_ROLLBACK feature to handle COMMIT AND CHAIN commands correctly", "evidence": {"same_day": true, "patch_ids": ["9c951d59b5ab2de56affd68fc6279f77"], "statement_hash": "9347ba15375638d7580d2e1d533c21c7882ff7e35ba05d7e0af0a685359ae502"}, "url": "/docs/compare/?release=13.3#13.3-4207528dc5fe71a1", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}]}, {"id": "12.7-cc0b940141de7ebc", "cves": [], "html": "Fix race condition in detection of file modification by psql's \\e and related commands (Laurenz Albe) §
A very fast typist could fool the code's file-timestamp-based detection of whether the temporary edit file was changed.
", "text": "Fix race condition in detection of file modification by psql's \\e and related commands (Laurenz Albe) § A very fast typist could fool the code's file-timestamp-based detection of whether the temporary edit file was changed.", "title": "Fix race condition in detection of file modification by psql's \\e and related commands", "commits": ["60e5c2b14"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "a07a27d6d1662fab120fffb08109dd7c527314480c07ff8eaf43cbf013d7f8ea", "section_path": ["Changes"], "commit_groups": [["33aa7d13d", "48d67fd89", "60e5c2b14", "6ed059933", "8915e7906", "a42c4438b"]], "identity_text": "Fix race condition in detection of file modification by psql's \\e and related commands (Laurenz Albe) A very fast typist could fool the code's file-timestamp-based detection of whether the temporary edit file was changed.", "commit_aliases": ["33aa7d13d", "48d67fd89", "60e5c2b14", "6ed059933", "8915e7906", "a42c4438b"], "source_commits": ["60e5c2b14"], "source_entry_id": "12.7/changes/033", "db_id": "a5b781e82406d8ec8e6110705c010700", "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433", "relations": [{"rule": 2, "type": "equivalent", "target": "629ec2f506257dac0541d0eb5f2df930", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}}, {"rule": 2, "type": "equivalent", "target": "789d0f31913e4825828aee505607146c", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}}, {"rule": 2, "type": "equivalent", "target": "9490d94d24adfc3753c23708e68ea756", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}}, {"rule": 2, "type": "equivalent", "target": "a97d6f6fa8cb0ec9888093363fd3bc91", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}}], "version": "12.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9490d94d24adfc3753c23708e68ea756", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Fix race condition in detection of file modification by psql's \\e and related commands", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}, "url": "/docs/compare/?release=13.3#13.3-57ede42ce642fa9a", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "629ec2f506257dac0541d0eb5f2df930", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Fix race condition in detection of file modification by psql's \\e and related commands", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}, "url": "/docs/compare/?release=11.12#11.12-239b78c18beb55ea", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "789d0f31913e4825828aee505607146c", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Fix race condition in detection of file modification by psql's \\e and related commands", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}, "url": "/docs/compare/?release=10.17#10.17-239b78c18beb55ea", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}, {"db_id": "a97d6f6fa8cb0ec9888093363fd3bc91", "kind": "equivalent", "version": "9.6.22", "label": "9.6.22", "title": "Fix race condition in detection of file modification by psql's \\e and related commands", "evidence": {"same_day": true, "patch_ids": ["f1f2c42ed62775746fe26cc6baea91ff"], "statement_hash": "42d0c5c02ba2f856da532d2bbc9e8f9252a72c515c98c7ce7bb10187fd2dd433"}, "url": "/docs/compare/?release=9.6.22#9.6.22-239b78c18beb55ea", "source_url": "/docs/release/9.6.22/#AEN132280"}]}, {"id": "12.7-d4f5550c0d6b4e1a", "cves": [], "html": "Fix pg_dump's dumping of generated columns in partitioned tables (Peter Eisentraut) §
\nA fix introduced in the previous minor release should not be applied to partitioned tables, only traditionally-inherited tables.
", "text": "Fix pg_dump's dumping of generated columns in partitioned tables (Peter Eisentraut) § A fix introduced in the previous minor release should not be applied to partitioned tables, only traditionally-inherited tables.", "title": "Fix pg_dump's dumping of generated columns in partitioned tables", "commits": ["bdaa0d2d7"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "443e9dfbba953c566107726ae3667a48632671bb48de5cd86482dd29e89e43de", "section_path": ["Changes"], "commit_groups": [["a6a3a274a", "bdaa0d2d7", "feb270d10"]], "identity_text": "Fix pg_dump's dumping of generated columns in partitioned tables (Peter Eisentraut) A fix introduced in the previous minor release should not be applied to partitioned tables, only traditionally-inherited tables.", "commit_aliases": ["a6a3a274a", "bdaa0d2d7", "feb270d10"], "source_commits": ["bdaa0d2d7"], "source_entry_id": "12.7/changes/034", "db_id": "2575d6865024d36485ba52d9e2641094", "patch_ids": ["d4768d7523874d6ec712498db061d2e4"], "statement_hash": "be201fe8e3427dde6b4b8e921b33cc47691d3bdecb873bd49c810db9d6f10db9", "relations": [{"rule": 2, "type": "equivalent", "target": "1c6c0e97646846b873245ebc8f35cf6d", "evidence": {"same_day": true, "patch_ids": ["d4768d7523874d6ec712498db061d2e4"], "statement_hash": "be201fe8e3427dde6b4b8e921b33cc47691d3bdecb873bd49c810db9d6f10db9"}}], "version": "12.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1c6c0e97646846b873245ebc8f35cf6d", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Fix pg_dump's dumping of generated columns in partitioned tables", "evidence": {"same_day": true, "patch_ids": ["d4768d7523874d6ec712498db061d2e4"], "statement_hash": "be201fe8e3427dde6b4b8e921b33cc47691d3bdecb873bd49c810db9d6f10db9"}, "url": "/docs/compare/?release=13.3#13.3-9dc3e8b14435c2da", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}]}, {"id": "12.7-215f5c04452b2f36", "cves": [], "html": "Fix missed file version check in pg_restore (Tom Lane) §
\nWhen reading a custom-format archive from a non-seekable source, pg_restore neglected to check the archive version. If it was fed a newer archive version than it can support, it would fail messily later on.
", "text": "Fix missed file version check in pg_restore (Tom Lane) § When reading a custom-format archive from a non-seekable source, pg_restore neglected to check the archive version. If it was fed a newer archive version than it can support, it would fail messily later on.", "title": "Fix missed file version check in pg_restore", "commits": ["84c5e0dd2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.7/#id-1.11.6.21.5", "source_hash": "49383984da5cc51e4b8612b6ddc58175b2bb997c6db8044abb0767466af5449f", "section_path": ["Changes"], "commit_groups": [["1b6961c8f", "25fe401d5", "2c9b857af", "35421a470", "84c5e0dd2", "ec03f2df1"]], "identity_text": "Fix missed file version check in pg_restore (Tom Lane) When reading a custom-format archive from a non-seekable source, pg_restore neglected to check the archive version. If it was fed a newer archive version than it can support, it would fail messily later on.", "commit_aliases": ["1b6961c8f", "25fe401d5", "2c9b857af", "35421a470", "84c5e0dd2", "ec03f2df1"], "source_commits": ["84c5e0dd2"], "source_entry_id": "12.7/changes/035", "db_id": "f9160e6dc2769150fb108fe831bb2531", "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9", "relations": [{"rule": 2, "type": "equivalent", "target": "66907a60b4852950edf387af36c10dbb", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}}, {"rule": 2, "type": "equivalent", "target": "715fd254bd8a4717c986721fdf71070d", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}}, {"rule": 2, "type": "equivalent", "target": "a7163c4d0c78c39be674cefac9a50abc", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}}, {"rule": 2, "type": "equivalent", "target": "bf10eb31ef22649341d965fb9d13d2cc", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}}], "version": "12.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "66907a60b4852950edf387af36c10dbb", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Fix missed file version check in pg_restore", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}, "url": "/docs/compare/?release=13.3#13.3-130f7a85d04342ce", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "bf10eb31ef22649341d965fb9d13d2cc", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Fix missed file version check in pg_restore", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}, "url": "/docs/compare/?release=11.12#11.12-49e3e94032bb52a1", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "a7163c4d0c78c39be674cefac9a50abc", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Fix missed file version check in pg_restore", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}, "url": "/docs/compare/?release=10.17#10.17-49e3e94032bb52a1", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}, {"db_id": "715fd254bd8a4717c986721fdf71070d", "kind": "equivalent", "version": "9.6.22", "label": "9.6.22", "title": "Fix missed file version check in pg_restore", "evidence": {"same_day": true, "patch_ids": ["7e82d706ec05509f41bf6e5c2003df15"], "statement_hash": "30d3e9379809400f654c0a8f6ebf8190762357f8cce85f7ff85e913de51464b9"}, "url": "/docs/compare/?release=9.6.22#9.6.22-49e3e94032bb52a1", "source_url": "/docs/release/9.6.22/#AEN132280"}]}, {"id": "12.7-6fc52d428f2f81e1", "cves": [], "html": "Add some more checks to pg_upgrade for user tables containing non-upgradable data types (Tom Lane) §
\nFix detection of some cases where a non-upgradable data type is embedded within a container type (such as an array or range). Also disallow upgrading when user tables contain columns of system-defined composite types, since those types' OIDs are not stable across versions.
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This is a valid state after SELECT FOR UPDATE.
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\nHowever, see the second and third changelog items below, which describe cases in which reindexing indexes after the upgrade may be advisable.
\nAlso, if you are upgrading from a version earlier than 12.2, see Section E.21.
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\nIf an UPDATE command attempts to move a row to a different partition but finds that it violates some constraint on the new partition, and the columns in that partition are in different physical positions than in the parent table, the error message could reveal the contents of columns that the user does not have SELECT privilege on. (CVE-2021-3393)
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\nConcurrent insertions could lead to a corrupt index with entries placed in the wrong pages. It's recommended to reindex any GiST index that's been subject to concurrent insertions.
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At the point where CREATE INDEX CONCURRENTLY waits for all concurrent transactions to complete so that it can see rows they inserted, it must also wait for all prepared transactions to complete, for the same reason. Its failure to do so meant that rows inserted by prepared transactions might be omitted from the new index, causing queries relying on the index to miss such rows. In installations that have enabled prepared transactions (max_prepared_transactions > 0), it's recommended to reindex any concurrently-built indexes in case this problem occurred when they were built.
Avoid crash when a CALL or DO statement that performs a transaction rollback is executed via extended query protocol (Thomas Munro, Tom Lane) §
In PostgreSQL 13, this case reliably caused a null-pointer dereference. In earlier versions the bug seems to have no visible symptoms, but it's not quite clear that it could never cause a problem.
", "text": "Avoid crash when a CALL or DO statement that performs a transaction rollback is executed via extended query protocol (Thomas Munro, Tom Lane) § In PostgreSQL 13, this case reliably caused a null-pointer dereference. In earlier versions the bug seems to have no visible symptoms, but it's not quite clear that it could never cause a problem.", "title": "Avoid crash when a CALL or DO statement that performs a transaction rollback is executed via extended query protocol", "commits": ["77e760d5c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "d75d9accc0e2eb6cdfedbcedfadbd0625d4fe62ecbc758d6cf1a19cf0b9eb996", "section_path": ["Changes"], "commit_groups": [["1c3a87746", "57868d957", "77e760d5c", "9624321ec"]], "identity_text": "Avoid crash when a CALL or DO statement that performs a transaction rollback is executed via extended query protocol (Thomas Munro, Tom Lane) In PostgreSQL 13, this case reliably caused a null-pointer dereference. In earlier versions the bug seems to have no visible symptoms, but it's not quite clear that it could never cause a problem.", "commit_aliases": ["1c3a87746", "57868d957", "77e760d5c", "9624321ec"], "source_commits": ["77e760d5c"], "source_entry_id": "12.6/changes/004", "db_id": "16c0e9efc5c1fd650988645206555f16", "patch_ids": ["ec56012fd13b688279537557a875cb9a"], "statement_hash": "dd344c302fe03f2ae70588da942a4f597b1bd9da50397b2365b07443b03a9ff3", "relations": [{"rule": 2, "type": "equivalent", "target": "567dddc39e04e2fca1f40d5f019efc41", "evidence": {"same_day": true, "patch_ids": ["ec56012fd13b688279537557a875cb9a"], "statement_hash": "dd344c302fe03f2ae70588da942a4f597b1bd9da50397b2365b07443b03a9ff3"}}, {"rule": 2, "type": "equivalent", "target": "d808e9c12d1853862d1cf02a81f6f44d", "evidence": {"same_day": true, "patch_ids": ["ec56012fd13b688279537557a875cb9a"], "statement_hash": "dd344c302fe03f2ae70588da942a4f597b1bd9da50397b2365b07443b03a9ff3"}}], "version": "12.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d808e9c12d1853862d1cf02a81f6f44d", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Avoid crash when a CALL or DO statement that performs a transaction rollback is executed via extended query protocol", "evidence": {"same_day": true, "patch_ids": ["ec56012fd13b688279537557a875cb9a"], "statement_hash": "dd344c302fe03f2ae70588da942a4f597b1bd9da50397b2365b07443b03a9ff3"}, "url": "/docs/compare/?release=13.2#13.2-dee8aee3216c89eb", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}, {"db_id": "567dddc39e04e2fca1f40d5f019efc41", "kind": "equivalent", "version": "11.11", "label": "11.11", "title": "Avoid crash when a CALL or DO statement that performs a transaction rollback is executed via extended query protocol", "evidence": {"same_day": true, "patch_ids": ["ec56012fd13b688279537557a875cb9a"], "statement_hash": "dd344c302fe03f2ae70588da942a4f597b1bd9da50397b2365b07443b03a9ff3"}, "url": "/docs/compare/?release=11.11#11.11-3b112f74f9982370", "source_url": "/docs/release/11.11/#id-1.11.6.16.5"}]}, {"id": "12.6-f16e69ebab6cf1b4", "cves": [], "html": "Fix partition pruning logic to handle asymmetric hash partition sets (Tom Lane) §
\nIf a hash-partitioned table has unequally-sized partitions (that is, varying modulus values), or it lacks partitions for some remainder values, then the planner's pruning logic could mistakenly conclude that some partitions don't need to be scanned, leading to failure to find rows that the query should find.
", "text": "Fix partition pruning logic to handle asymmetric hash partition sets (Tom Lane) § If a hash-partitioned table has unequally-sized partitions (that is, varying modulus values), or it lacks partitions for some remainder values, then the planner's pruning logic could mistakenly conclude that some partitions don't need to be scanned, leading to failure to find rows that the query should find.", "title": "Fix partition pruning logic to handle asymmetric hash partition sets", "commits": ["7c53a8067"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "d8800870a99db38b61afe8acf726477e74098c24e73d8427c3cf66fe95421154", "section_path": ["Changes"], "commit_groups": [["1d9351a87", "6f94531b0", "7c53a8067", "7f1921cb9"]], "identity_text": "Fix partition pruning logic to handle asymmetric hash partition sets (Tom Lane) If a hash-partitioned table has unequally-sized partitions (that is, varying modulus values), or it lacks partitions for some remainder values, then the planner's pruning logic could mistakenly conclude that some partitions don't need to be scanned, leading to failure to find rows that the query should find.", "commit_aliases": ["1d9351a87", "6f94531b0", "7c53a8067", "7f1921cb9"], "source_commits": ["7c53a8067"], "source_entry_id": "12.6/changes/005", "db_id": "595dcafb55c75453682c569e0a0ecc9a", "patch_ids": ["e7c21b82ef336e2e41c7dbe540e51d1a"], "statement_hash": "185bb33b1db74f6f423109cbe112e2c0c1239cb53a7e897c89493703256a45d8", "relations": [{"rule": 2, "type": "equivalent", "target": "538b30f52ae3914046ec9c75a30729a9", "evidence": {"same_day": true, "patch_ids": ["e7c21b82ef336e2e41c7dbe540e51d1a"], "statement_hash": "185bb33b1db74f6f423109cbe112e2c0c1239cb53a7e897c89493703256a45d8"}}, {"rule": 2, "type": "equivalent", "target": "f7cf34c80b9edef0f9ff3dd609dd0faa", "evidence": {"same_day": true, "patch_ids": ["e7c21b82ef336e2e41c7dbe540e51d1a"], "statement_hash": "185bb33b1db74f6f423109cbe112e2c0c1239cb53a7e897c89493703256a45d8"}}], "version": "12.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "538b30f52ae3914046ec9c75a30729a9", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Fix partition pruning logic to handle asymmetric hash partition sets", "evidence": {"same_day": true, "patch_ids": ["e7c21b82ef336e2e41c7dbe540e51d1a"], "statement_hash": "185bb33b1db74f6f423109cbe112e2c0c1239cb53a7e897c89493703256a45d8"}, "url": "/docs/compare/?release=13.2#13.2-c5b1029aff7c5e5e", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}, {"db_id": "f7cf34c80b9edef0f9ff3dd609dd0faa", "kind": "equivalent", "version": "11.11", "label": "11.11", "title": "Fix partition pruning logic to handle asymmetric hash partition sets", "evidence": {"same_day": true, "patch_ids": ["e7c21b82ef336e2e41c7dbe540e51d1a"], "statement_hash": "185bb33b1db74f6f423109cbe112e2c0c1239cb53a7e897c89493703256a45d8"}, "url": "/docs/compare/?release=11.11#11.11-badcf8cce4f68210", "source_url": "/docs/release/11.11/#id-1.11.6.16.5"}]}, {"id": "12.6-f78308ca6776e765", "cves": [], "html": "Avoid incorrect results when WHERE CURRENT OF is applied to a cursor whose plan contains a MergeAppend node (Tom Lane) §
This case is unsupported (in general, a cursor using ORDER BY is not guaranteed to be simply updatable); but the code previously did not reject it, and could silently give false matches.
Fix crash when WHERE CURRENT OF is applied to a cursor whose plan contains a custom scan node (David Geier) §
Fix planner's mishandling of placeholders whose evaluation should be delayed by an outer join (Tom Lane) §
\nThis occurs in particular with trivial subqueries containing lateral references to outer-join outputs. The mistake could result in a malformed plan. The known cases trigger a “failed to assign all NestLoopParams to plan nodes” error, but other symptoms may be possible.
", "text": "Fix planner's mishandling of placeholders whose evaluation should be delayed by an outer join (Tom Lane) § This occurs in particular with trivial subqueries containing lateral references to outer-join outputs. The mistake could result in a malformed plan. The known cases trigger a “failed to assign all NestLoopParams to plan nodes” error, but other symptoms may be possible.", "title": "Fix planner's mishandling of placeholders whose evaluation should be delayed by an outer join", "commits": ["1cce024fd"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "a3cd2602dca87f1e14f62cec4ad7af559919d2c13f459a5d65c60d978466d5ad", "section_path": ["Changes"], "commit_groups": [["1cce024fd", "55dc86eca", "73fc2e5ba"]], "identity_text": "Fix planner's mishandling of placeholders whose evaluation should be delayed by an outer join (Tom Lane) This occurs in particular with trivial subqueries containing lateral references to outer-join outputs. The mistake could result in a malformed plan. The known cases trigger a failed to assign all NestLoopParams to plan nodes error, but other symptoms may be possible.", "commit_aliases": ["1cce024fd", "55dc86eca", "73fc2e5ba"], "source_commits": ["1cce024fd"], "source_entry_id": "12.6/changes/008", "db_id": "5285182069652152a7237d87e5ae204c", "patch_ids": ["8ad1c62bfa5de030cd329d3d5596c679"], "statement_hash": "d202e6ef2fb92dcca98729a575771eb1f07b4f538104afa90d8818a812a69df1", "relations": [{"rule": 2, "type": "equivalent", "target": "34a189f90167176833034217e3c539b8", "evidence": {"same_day": true, "patch_ids": ["8ad1c62bfa5de030cd329d3d5596c679"], "statement_hash": "d202e6ef2fb92dcca98729a575771eb1f07b4f538104afa90d8818a812a69df1"}}], "version": "12.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "34a189f90167176833034217e3c539b8", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Fix planner's mishandling of placeholders whose evaluation should be delayed by an outer join", "evidence": {"same_day": true, "patch_ids": ["8ad1c62bfa5de030cd329d3d5596c679"], "statement_hash": "d202e6ef2fb92dcca98729a575771eb1f07b4f538104afa90d8818a812a69df1"}, "url": "/docs/compare/?release=13.2#13.2-a78ddcf1edb36488", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}]}, {"id": "12.6-538bdf08b3884473", "cves": [], "html": "Fix planner's handling of placeholders during removal of useless RESULT RTEs (Tom Lane) §
\nThis oversight could lead to “no relation entry for relid N” planner errors.
Fix planner's handling of a placeholder that is computed at some join level and used only at that same level (Tom Lane) §
\nThis oversight could lead to “failed to build any N-way joins” planner errors.
Be more careful about whether index AMs support mark/restore (Andrew Gierth) §
\nThis prevents errors about missing support functions in rare edge cases.
", "text": "Be more careful about whether index AMs support mark/restore (Andrew Gierth) § This prevents errors about missing support functions in rare edge cases.", "title": "Be more careful about whether index AMs support mark/restore", "commits": ["ae5aa26dc"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "7b6eb89469c0b299397cee5ab0d7794c4d22b8a19c86d0e0c1be13f833574774", "section_path": ["Changes"], "commit_groups": [["018e7d98d", "321c87e5c", "59ed45e27", "6402afd98", "660b89928", "6dda05704", "ae5aa26dc"]], "identity_text": "Be more careful about whether index AMs support mark/restore (Andrew Gierth) This prevents errors about missing support functions in rare edge cases.", "commit_aliases": ["018e7d98d", "321c87e5c", "59ed45e27", "6402afd98", "660b89928", "6dda05704", "ae5aa26dc"], "source_commits": ["ae5aa26dc"], "source_entry_id": "12.6/changes/011", "db_id": "ac4838555b4a14755d3dc36a71dcf02f", "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185", "relations": [{"rule": 2, "type": "equivalent", "target": "57b6c2a714b843a87d0747aa8252c1f6", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}}, {"rule": 2, "type": "equivalent", "target": "5ccd5b246b38d774e71b7453a3682bd7", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}}, {"rule": 2, "type": "equivalent", "target": "e30a1be42c0ba1ec75f41eaad102da5e", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}}, {"rule": 2, "type": "equivalent", "target": "e72e53f518365fa9545ab0f09475a9af", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}}, {"rule": 2, "type": "equivalent", "target": "e74a9337e2fcd7bc439207ba18a84bdb", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}}], "version": "12.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "5ccd5b246b38d774e71b7453a3682bd7", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Be more careful about whether index AMs support mark/restore", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}, "url": "/docs/compare/?release=13.2#13.2-81bc777702fa6586", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}, {"db_id": "57b6c2a714b843a87d0747aa8252c1f6", "kind": "equivalent", "version": "11.11", "label": "11.11", "title": "Be more careful about whether index AMs support mark/restore", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}, "url": "/docs/compare/?release=11.11#11.11-af5d0580e00a76a7", "source_url": "/docs/release/11.11/#id-1.11.6.16.5"}, {"db_id": "e74a9337e2fcd7bc439207ba18a84bdb", "kind": "equivalent", "version": "10.16", "label": "10.16", "title": "Be more careful about whether index AMs support mark/restore", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}, "url": "/docs/compare/?release=10.16#10.16-af5d0580e00a76a7", "source_url": "/docs/release/10.16/#id-1.11.6.12.5"}, {"db_id": "e72e53f518365fa9545ab0f09475a9af", "kind": "equivalent", "version": "9.6.21", "label": "9.6.21", "title": "Be more careful about whether index AMs support mark/restore", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}, "url": "/docs/compare/?release=9.6.21#9.6.21-af5d0580e00a76a7", "source_url": "/docs/release/9.6.21/#AEN132403"}, {"db_id": "e30a1be42c0ba1ec75f41eaad102da5e", "kind": "equivalent", "version": "9.5.25", "label": "9.5.25", "title": "Be more careful about whether index AMs support mark/restore", "evidence": {"same_day": true, "patch_ids": ["749840e3c6ceb36efe87cb701e4462d4"], "statement_hash": "f53f3f70ebe52fca4dd085ea8ca596c6215cae44cf52ad6aa3c0ca701f01c185"}, "url": "/docs/compare/?release=9.5.25#9.5.25-af5d0580e00a76a7", "source_url": "/docs/release/9.5.25/#AEN127304"}]}, {"id": "12.6-77c19bb26d8045e7", "cves": [], "html": "Adjust settings to make it more difficult to run out of DSM slots during heavy usage of parallel queries (Thomas Munro) §
", "text": "Adjust settings to make it more difficult to run out of DSM slots during heavy usage of parallel queries (Thomas Munro) §", "title": "Adjust settings to make it more difficult to run out of DSM slots during heavy usage of parallel queries", "commits": ["2ded1f1fb"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "e50b3fcb4da03749168fdce065cffd568355afe08ecbd4ef9571f0b6cdfc454a", "section_path": ["Changes"], "commit_groups": [["0455f78dd", "2ded1f1fb", "d061ea21f", "f5332503e"]], "identity_text": "Adjust settings to make it more difficult to run out of DSM slots during heavy usage of parallel queries (Thomas Munro)", "commit_aliases": ["0455f78dd", "2ded1f1fb", "d061ea21f", "f5332503e"], "source_commits": ["2ded1f1fb"], "source_entry_id": "12.6/changes/012", "db_id": "22aa236dae7ed9848a78c46e12385109", "patch_ids": ["3659a793e94cb2c085fe2ac7ddaff22b"], "statement_hash": "f2f03b8457e3e8c29589841758b2a28360f53fa050bbe1608f5d9b39091c4167", "relations": [{"rule": 2, "type": "equivalent", "target": "56be9364f98db6c0667b760a15cc0a89", "evidence": {"same_day": true, "patch_ids": ["3659a793e94cb2c085fe2ac7ddaff22b"], "statement_hash": "f2f03b8457e3e8c29589841758b2a28360f53fa050bbe1608f5d9b39091c4167"}}, {"rule": 2, "type": "equivalent", "target": "86c37448d3f9f28cbc7138a9d2fc6d87", "evidence": {"same_day": true, "patch_ids": ["3659a793e94cb2c085fe2ac7ddaff22b"], "statement_hash": "f2f03b8457e3e8c29589841758b2a28360f53fa050bbe1608f5d9b39091c4167"}}], "version": "12.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "86c37448d3f9f28cbc7138a9d2fc6d87", "kind": "equivalent", "version": "11.11", "label": "11.11", "title": "Adjust settings to make it more difficult to run out of DSM slots during heavy usage of parallel queries", "evidence": {"same_day": true, "patch_ids": ["3659a793e94cb2c085fe2ac7ddaff22b"], "statement_hash": "f2f03b8457e3e8c29589841758b2a28360f53fa050bbe1608f5d9b39091c4167"}, "url": "/docs/compare/?release=11.11#11.11-3d3b7488997f893d", "source_url": "/docs/release/11.11/#id-1.11.6.16.5"}, {"db_id": "56be9364f98db6c0667b760a15cc0a89", "kind": "equivalent", "version": "10.16", "label": "10.16", "title": "Adjust settings to make it more difficult to run out of DSM slots during heavy usage of parallel queries", "evidence": {"same_day": true, "patch_ids": ["3659a793e94cb2c085fe2ac7ddaff22b"], "statement_hash": "f2f03b8457e3e8c29589841758b2a28360f53fa050bbe1608f5d9b39091c4167"}, "url": "/docs/compare/?release=10.16#10.16-3d3b7488997f893d", "source_url": "/docs/release/10.16/#id-1.11.6.12.5"}]}, {"id": "12.6-ac0172fe4e2c8606", "cves": [], "html": "Fix overestimate of the amount of shared memory needed for parallel queries (Takayuki Tsunakawa) §
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Duplicate role or schema names within the same command could lead to “tuple already updated by self” errors or unique-constraint violations.
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This change ensures that permissions-related decisions will promptly reflect the results of ALTER ROLE ... [NO] INHERIT.
Prevent misprocessing of ambiguous CREATE TABLE LIKE clauses (Tom Lane) §
A LIKE clause is re-examined after initial creation of the new table, to handle importation of indexes and such. It was possible for this re-examination to find a different table of the same name, causing unexpected behavior; one example is where the new table is a temporary table of the same name as the LIKE target.
Rearrange order of operations in CREATE TABLE LIKE so that indexes are cloned before building foreign key constraints (Tom Lane) §
This fixes the case where a self-referential foreign key constraint declared in the outer CREATE TABLE depends on an index that's coming from the LIKE clause.
Disallow CREATE STATISTICS on system catalogs (Tomas Vondra) §
Disallow converting an inheritance child table to a view (Tom Lane) §
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", "text": "Ensure that disk space allocated for a dropped relation is released promptly at commit (Thomas Munro) § Previously, if the dropped relation spanned multiple 1GB segments, only the first segment was truncated immediately. 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\nPreviously this was allowed, but subsequent operations on the partitioned relation would fail.
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Fix handling of backslash-escaped multibyte characters in COPY FROM (Heikki Linnakangas) §
A backslash followed by a multibyte character was not handled correctly. In some client character encodings, this could lead to misinterpreting part of a multibyte character as a field separator or end-of-copy-data marker.
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Fix recently-introduced race conditions in LISTEN/NOTIFY queue handling (Tom Lane) §
A newly-listening backend could attempt to read SLRU pages that were in process of being truncated, possibly causing an error.
\nThe queue tail pointer could become set to a value that's not equal to the queue position of any backend, resulting in effective disabling of the queue truncation logic. Continued use of NOTIFY then led to queue-fill warnings, and eventually to inability to send any more notifies until the server is restarted.
Allow the jsonb concatenation operator to handle all combinations of JSON data types (Tom Lane) §
We can concatenate two JSON objects or two JSON arrays. Handle other cases by wrapping non-array inputs in one-element arrays, then performing an array concatenation. Previously, some combinations of inputs followed this rule but others arbitrarily threw an error.
", "text": "Allow the jsonb concatenation operator to handle all combinations of JSON data types (Tom Lane) § We can concatenate two JSON objects or two JSON arrays. Handle other cases by wrapping non-array inputs in one-element arrays, then performing an array concatenation. Previously, some combinations of inputs followed this rule but others arbitrarily threw an error.", "title": "Allow the jsonb concatenation operator to handle all combinations of JSON data types", "commits": ["38bef9e43"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "66751c8ca8f67da46be5381e1e63706b7f8dc12a8caf37353a97dad926e66ea4", "section_path": ["Changes"], "commit_groups": [["1d5f3f976", "38bef9e43", "38d30a14b", "542248f9d", "75c8ef5ae", "edcdbc44e", "ff5d5611c"]], "identity_text": "Allow the jsonb concatenation operator to handle all combinations of JSON data types (Tom Lane) We can concatenate two JSON objects or two JSON arrays. 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This error could cause the quantifier to act non-greedy, that is behave like a *? quantifier would do in full regular expressions.
Fix numeric power() for the case where the exponent is exactly INT_MIN (-2147483648) (Dean Rasheed) § §
Previously, a result with no significant digits was produced.
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If the specified starting index and length overflow an integer when added together, substring() misbehaved, either throwing a bogus “negative substring length” error for a case that should succeed, or failing to complain that a negative length is negative (and instead returning the whole string, in most cases).
Prevent possible data loss from incorrect detection of the wraparound point of an SLRU log (Noah Misch) §
\nThe wraparound point typically falls in the middle of a page, which must be rounded off to a page boundary, and that was not done correctly. No issue could arise unless an installation had gotten to within one page of SLRU overflow, which is unlikely in a properly-functioning system. If this did happen, it would manifest in later “apparent wraparound” or “could not access status of transaction” errors.
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\nThe startup process did not run the deadlock detection code, so that in situations where the startup process is last to join a circular wait situation, the deadlock might never be recognized.
", "text": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process (Fujii Masao) § The startup process did not run the deadlock detection code, so that in situations where the startup process is last to join a circular wait situation, the deadlock might never be recognized.", "title": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process", "commits": ["9f540f840"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "211733feb12efb470e0b08ef1b809cdcfee30ea050c741f04ca913ac4b9b43f1", "section_path": ["Changes"], "commit_groups": [["0307b98d8", "0f8977b3f", "4c20e78f1", "8900b5a9d", "9f540f840", "e83771880"]], "identity_text": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process (Fujii Masao) The startup process did not run the deadlock detection code, so that in situations where the startup process is last to join a circular wait situation, the deadlock might never be recognized.", "commit_aliases": ["0307b98d8", "0f8977b3f", "4c20e78f1", "8900b5a9d", "9f540f840", "e83771880"], "source_commits": ["9f540f840"], "source_entry_id": "12.6/changes/033", "db_id": "3b66d211bec114dc35a6189045c9c808", "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03", "relations": [{"rule": 2, "type": "equivalent", "target": "436439ec95a41f87a0f329d48bcda1dd", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}}, {"rule": 2, "type": "equivalent", "target": "9582949b0e17b4be4348a40989470b2a", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}}, {"rule": 2, "type": "equivalent", "target": "bc1cb2744ffcefaf578008c3d1c71c72", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}}, {"rule": 2, "type": "equivalent", "target": "ff508ecb1cc82a838ee9f0ae6555f776", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}}], "version": "12.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "436439ec95a41f87a0f329d48bcda1dd", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}, "url": "/docs/compare/?release=13.2#13.2-8fb6618f0c0008bc", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}, {"db_id": "ff508ecb1cc82a838ee9f0ae6555f776", "kind": "equivalent", "version": "11.11", "label": "11.11", "title": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}, "url": "/docs/compare/?release=11.11#11.11-c7739ae74d60561c", "source_url": "/docs/release/11.11/#id-1.11.6.16.5"}, {"db_id": "bc1cb2744ffcefaf578008c3d1c71c72", "kind": "equivalent", "version": "10.16", "label": "10.16", "title": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}, "url": "/docs/compare/?release=10.16#10.16-c7739ae74d60561c", "source_url": "/docs/release/10.16/#id-1.11.6.12.5"}, {"db_id": "9582949b0e17b4be4348a40989470b2a", "kind": "equivalent", "version": "9.6.21", "label": "9.6.21", "title": "Ensure detection of deadlocks between hot standby backends and the startup (WAL-application) process", "evidence": {"same_day": true, "patch_ids": ["d2e02a8277baac4766bf87577edfbc58"], "statement_hash": "8dfe882b6e40bab79ce2dda4d6fd93d0a82f988001228534e873ecc6f1fb7a03"}, "url": "/docs/compare/?release=9.6.21#9.6.21-c7739ae74d60561c", "source_url": "/docs/release/9.6.21/#AEN132403"}]}, {"id": "12.6-8c9c86782214cb3b", "cves": [], "html": "Fix possible failure to detect recovery conflicts while deleting an index entry that references a HOT chain (Peter Geoghegan) § §
\nThe code failed to traverse the HOT chain and might thus compute a too-old XID horizon, which could lead to incorrect conflict processing in hot standby. The practical impact of this bug is limited; in most cases the correct XID horizon would be found anyway from nearby operations.
", "text": "Fix possible failure to detect recovery conflicts while deleting an index entry that references a HOT chain (Peter Geoghegan) § § The code failed to traverse the HOT chain and might thus compute a too-old XID horizon, which could lead to incorrect conflict processing in hot standby. The practical impact of this bug is limited; in most cases the correct XID horizon would be found anyway from nearby operations.", "title": "Fix possible failure to detect recovery conflicts while deleting an index entry that references a HOT chain", "commits": ["4f70e0910", "5f95664e1"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "a5b735f8ea3c1c3d0168edf80dfd109948181597ab6d95d4d0217f9c7ca6b2e8", "section_path": ["Changes"], "commit_groups": [["32d6287d2", "55e535226", "5f95664e1"], ["422881744", "4f70e0910", "7a57960ba"]], "identity_text": "Fix possible failure to detect recovery conflicts while deleting an index entry that references a HOT chain (Peter Geoghegan) The code failed to traverse the HOT chain and might thus compute a too-old XID horizon, which could lead to incorrect conflict processing in hot standby. The practical impact of this bug is limited; in most cases the correct XID horizon would be found anyway from nearby operations.", "commit_aliases": ["32d6287d2", "422881744", "4f70e0910", "55e535226", "5f95664e1", "7a57960ba"], "source_commits": ["4f70e0910", "5f95664e1"], "source_entry_id": "12.6/changes/034", "db_id": "c06bf6218ea32e61d020df50fb1c4a22", "patch_ids": ["7bd28cb094b4573480ebc380b2dbfc5c", "8c6bb452250079f2112ad31437892b4f"], "statement_hash": "25219df77b914c8f0de7cc8d3204f443b3a89d586689642804fd57d05cd81887", "relations": [{"rule": 2, "type": "equivalent", "target": "3ddc0e06c15948c1e58d48cd12543471", "evidence": {"same_day": true, "patch_ids": ["7bd28cb094b4573480ebc380b2dbfc5c", "8c6bb452250079f2112ad31437892b4f"], "statement_hash": "25219df77b914c8f0de7cc8d3204f443b3a89d586689642804fd57d05cd81887"}}], "version": "12.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3ddc0e06c15948c1e58d48cd12543471", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Fix possible failure to detect recovery conflicts while deleting an index entry that references a HOT chain", "evidence": {"same_day": true, "patch_ids": ["7bd28cb094b4573480ebc380b2dbfc5c", "8c6bb452250079f2112ad31437892b4f"], "statement_hash": "25219df77b914c8f0de7cc8d3204f443b3a89d586689642804fd57d05cd81887"}, "url": "/docs/compare/?release=13.2#13.2-14d9d57cc1253cae", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}]}, {"id": "12.6-d45e52e4ccc71e5e", "cves": [], "html": "Ensure that a nonempty value of krb_server_keyfile always overrides any setting of KRB5_KTNAME in the server's environment (Tom Lane) §
Previously, which setting took precedence depended on whether the client requests GSS encryption.
", "text": "Ensure that a nonempty value of krb_server_keyfile always overrides any setting of KRB5_KTNAME in the server's environment (Tom Lane) § Previously, which setting took precedence depended on whether the client requests GSS encryption.", "title": "Ensure that a nonempty value of krb_server_keyfile always overrides any setting of KRB5_KTNAME in the server's environment", "commits": ["3ca19490b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.6/#id-1.11.6.22.5", "source_hash": "6b5538fffa893aaefbf9b1dc843b8eb796ffdc25d1cd28355e436d8fc83ff88c", "section_path": ["Changes"], "commit_groups": [["3ca19490b", "860fe27ee", "861e96717"]], "identity_text": "Ensure that a nonempty value of krb_server_keyfile always overrides any setting of KRB5_KTNAME in the server's environment (Tom Lane) Previously, which setting took precedence depended on whether the client requests GSS encryption.", "commit_aliases": ["3ca19490b", "860fe27ee", "861e96717"], "source_commits": ["3ca19490b"], "source_entry_id": "12.6/changes/035", "db_id": "43c997cb6a0e678ec67c0f22bcf6ef7a", "patch_ids": ["2e6e1277de70fc4978f730deb00ca332"], "statement_hash": "fd0839729c00f311dda94f6c5e5db914f5ee2e4141932f8753dc142008e01677", "relations": [{"rule": 2, "type": "equivalent", "target": "b078e35851c674f3ba264037d90fcc66", "evidence": {"same_day": true, "patch_ids": ["2e6e1277de70fc4978f730deb00ca332"], "statement_hash": "fd0839729c00f311dda94f6c5e5db914f5ee2e4141932f8753dc142008e01677"}}], "version": "12.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b078e35851c674f3ba264037d90fcc66", "kind": "equivalent", "version": "13.2", "label": "13.2", "title": "Ensure that a nonempty value of krb_server_keyfile always overrides any setting of KRB5_KTNAME in the server's environment", "evidence": {"same_day": true, "patch_ids": ["2e6e1277de70fc4978f730deb00ca332"], "statement_hash": "fd0839729c00f311dda94f6c5e5db914f5ee2e4141932f8753dc142008e01677"}, "url": "/docs/compare/?release=13.2#13.2-75ba04d19281205a", "source_url": "/docs/release/13.2/#id-1.11.6.27.5"}]}, {"id": "12.6-4a8eaacd35cd5305", "cves": [], "html": "In server log messages about failing to match connections to pg_hba.conf entries, include details about whether GSS encryption has been activated (Kyotaro Horiguchi, Tom Lane) §
This is relevant data if hostgssenc or hostnogssenc entries exist.
Fix assorted issues in server's support for GSS encryption (Tom Lane) §
\nRemove pointless restriction that only GSS authentication can be used on a GSS-encrypted connection. Add GSS encryption information to connection-authorized log messages. Include GSS-related space when computing the required size of shared memory (this omission could have caused problems with very high max_connections settings). Avoid possible infinite recursion when reporting an unrecoverable GSS encryption error.
Ensure that unserviced requests for background workers are cleaned up when the postmaster begins a “smart” or “fast” shutdown sequence (Tom Lane) §
\nPreviously, there was a race condition whereby a child process that had requested a background worker just before shutdown could wait indefinitely, preventing shutdown from completing.
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Fix miscalculation of timeouts in contrib/pg_prewarm and contrib/postgres_fdw (Alexey Kondratov, Tom Lane) §
The main loop in contrib/pg_prewarm's autoprewarm parent process underestimated its desired sleep time by a factor of 1000, causing it to consume much more CPU than intended. When waiting for a result from a remote server, contrib/postgres_fdw overestimated the desired timeout by a factor of 1000 (though this error had been mitigated by imposing a clamp to 60 seconds).
Both of these errors stemmed from incorrectly converting seconds-and-microseconds to milliseconds. Introduce a new API TimestampDifferenceMilliseconds() to make it easier to get this right in the future.
Improve configure's heuristics for selecting PG_SYSROOT on macOS (Tom Lane) § §
The new method is more likely to produce desirable results when Xcode is newer than the underlying operating system. Choosing a sysroot that does not match the OS version may result in nonfunctional executables.
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This is essentially a leak in the “security restricted operation” sandbox mechanism. An attacker having permission to create non-temporary SQL objects could parlay this leak to execute arbitrary SQL code as a superuser.
\nThe PostgreSQL Project thanks Etienne Stalmans for reporting this problem. (CVE-2020-25695)
", "text": "Block DECLARE CURSOR ... WITH HOLD and firing of deferred triggers within index expressions and materialized view queries (Noah Misch) § This is essentially a leak in the “security restricted operation” sandbox mechanism. An attacker having permission to create non-temporary SQL objects could parlay this leak to execute arbitrary SQL code as a superuser. The PostgreSQL Project thanks Etienne Stalmans for reporting this problem. (CVE-2020-25695)", "title": "Block DECLARE CURSOR ... WITH HOLD and firing of deferred triggers within index expressions and materialized view queries", "commits": ["ac8f6243c"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.5/#id-1.11.6.23.5", "source_hash": "45a39c6b0f7bd6a435d12091ee8109ca663a82dabe33886133d1611e61518ef0", "section_path": ["Changes"], "commit_groups": [["0c3185e96", "43ebfea5a", "ac8f6243c", "aefc625de", "c90c84b3f", "f97ecea1e", "ff3de4c21"]], "identity_text": "Block DECLARE CURSOR ... 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WITH HOLD and firing of deferred triggers within index expressions and materialized view queries", "evidence": {"same_day": true, "patch_ids": ["e898d0dfc6b33d9b63abd3fb0e8b1a11"], "statement_hash": "2795b2a9007ce3ac53806d982078b9bd14dcfd9c5923177aaaf24805ed203d24"}, "url": "/docs/compare/?release=9.5.24#9.5.24-8d0573c737d42e9b", "source_url": "/docs/release/9.5.24/#AEN127471"}]}, {"id": "12.5-66ca83b99f74f9b0", "cves": ["CVE-2020-25694"], "html": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb (Tom Lane) § §
\nThe -d parameter of pg_dump and pg_restore, or the --maintenance-db parameter of the other programs mentioned, can be a “connection string” containing multiple connection parameters rather than just a database name. In cases where these programs need to initiate additional connections, such as parallel processing or processing of multiple databases, the connection string was forgotten and just the basic connection parameters (database name, host, port, and username) were used for the additional connections. This could lead to connection failures if the connection string included any other essential information, such as non-default SSL or GSS parameters. Worse, the connection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. (CVE-2020-25694)
When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used (Tom Lane) §
This avoids cases where reconnection might fail due to omission of relevant parameters, such as non-default SSL or GSS options. Worse, the reconnection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. This is largely the same problem as just cited for pg_dump et al, although psql's behavior is more complex since the user may intentionally override some connection parameters. (CVE-2020-25694)
", "text": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used (Tom Lane) § This avoids cases where reconnection might fail due to omission of relevant parameters, such as non-default SSL or GSS options. Worse, the reconnection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. This is largely the same problem as just cited for pg_dump et al, although psql's behavior is more complex since the user may intentionally override some connection parameters. (CVE-2020-25694)", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "commits": ["f656517ec"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.5/#id-1.11.6.23.5", "source_hash": "ebfc15e6666ae869642f91b81e3ecc9fd54d6d96430fe2a17641fdff70b586e9", "section_path": ["Changes"], "commit_groups": [["20be76d5c", "2e4af4110", "6997da09a", "8175da6e7", "85c54287a", "870a23230", "f656517ec"]], "identity_text": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used (Tom Lane) This avoids cases where reconnection might fail due to omission of relevant parameters, such as non-default SSL or GSS options. Worse, the reconnection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. This is largely the same problem as just cited for pg_dump et al, although psql's behavior is more complex since the user may intentionally override some connection parameters. 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\\gset without a prefix would overwrite whatever variables the server told it to. Thus, a compromised server could set specially-treated variables such as PROMPT1, giving the ability to execute arbitrary shell code in the user's session.
The PostgreSQL Project thanks Nick Cleaton for reporting this problem. (CVE-2020-25696)
", "text": "Prevent psql's \\gset command from modifying specially-treated variables (Noah Misch) § \\gset without a prefix would overwrite whatever variables the server told it to. Thus, a compromised server could set specially-treated variables such as PROMPT1, giving the ability to execute arbitrary shell code in the user's session. The PostgreSQL Project thanks Nick Cleaton for reporting this problem. 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\nThis rare problem would manifest in later “apparent wraparound” or “could not access status of transaction” errors.
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Ensure that ALTER TABLE ONLY ... ENABLE/DISABLE TRIGGER does not recurse to child tables (Álvaro Herrera) §
Previously the ONLY flag was ignored.
Avoid unnecessary recursion to partitions in ALTER TABLE SET NOT NULL, when the target column is already marked NOT NULL (Tom Lane) §
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Disallow DROP INDEX CONCURRENTLY on a partitioned table (Álvaro Herrera, Michael Paquier) §
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Handle concurrent desummarization correctly during BRIN index scans (Alexander Lakhin, Álvaro Herrera) §
\nPreviously, if a page range was desummarized at just the wrong time, an index scan might falsely raise an error indicating index corruption.
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On FreeBSD 11, and possibly other platforms, the view's address and netmask columns were always null due to this error.
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\nThis absorbs upstream's change of zic's default output option from “fat” to “slim”. That's just cosmetic for our purposes, as we continue to select the “fat” mode in pre-v13 branches. This change also ensures that strftime() does not change errno unless it fails.
A dump/restore is not required for those running 12.X.
\nHowever, if you are upgrading from a version earlier than 12.2, see Section E.21.
", "compatibility_count": 0, "label": "12.4", "status_label": "Historical", "eol": "2024-11-21", "age_days": 2238, "support_days": -677, "entries": [{"id": "12.4-5cf18c813b9149d7", "cves": ["CVE-2018-1058", "CVE-2020-14349"], "html": "Set a secure search_path in logical replication walsenders and apply workers (Noah Misch) § §
A malicious user of either the publisher or subscriber database could potentially cause execution of arbitrary SQL code by the role running replication, which is often a superuser. Some of the risks here are equivalent to those described in CVE-2018-1058, and are mitigated in this patch by ensuring that the replication sender and receiver execute with empty search_path settings. (As with CVE-2018-1058, that change might cause problems for under-qualified names used in replicated tables' DDL.) Other risks are inherent in replicating objects that belong to untrusted roles; the most we can do is document that there is a hazard to consider. (CVE-2020-14349)
Make contrib modules' installation scripts more secure (Tom Lane) §
\nAttacks similar to those described in CVE-2018-1058 could be carried out against an extension installation script, if the attacker can create objects in either the extension's target schema or the schema of some prerequisite extension. Since extensions often require superuser privilege to install, this can open a path to obtaining superuser privilege. To mitigate this risk, be more careful about the search_path used to run an installation script; disable check_function_bodies within the script; and fix catalog-adjustment queries used in some contrib modules to ensure they are secure. Also provide documentation to help third-party extension authors make their installation scripts secure. This is not a complete solution; extensions that depend on other extensions can still be at risk if installed carelessly. (CVE-2020-14350)
Fix edge cases in partition pruning (Etsuro Fujita, Dmitry Dolgov) § §
\nWhen there are multiple partition key columns, generation of pruning tests could misbehave if some columns had no constraining WHERE clauses or multiple constraining clauses. This could lead to server crashes, incorrect query results, or assertion failures.
Fix construction of parameterized BitmapAnd and BitmapOr index scans on the inside of partition-wise nestloop joins (Tom Lane) §
\nA plan in which such a scan needed to use a value from the outside of the join would usually crash at execution.
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\nThis is a relatively minor problem when using built-in logical replication, because the built-in walreceiver will send a feedback reply (which clears the incorrect state) fairly frequently anyway. But with some other replication systems, such as pglogical, it causes significant performance issues.
", "text": "In logical replication walsender, fix failure to send feedback messages after sending a keepalive message (Álvaro Herrera) § This is a relatively minor problem when using built-in logical replication, because the built-in walreceiver will send a feedback reply (which clears the incorrect state) fairly frequently anyway. 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The code neglected to account for the possibility of column numbers being different between the publisher and subscriber tables, so that if those were indeed different, wrong decisions might be made about which triggers to fire.
", "text": "Fix firing of column-specific UPDATE triggers in logical replication subscribers (Tom Lane) § The code neglected to account for the possibility of column numbers being different between the publisher and subscriber tables, so that if those were indeed different, wrong decisions might be made about which triggers to fire.", "title": "Fix firing of column-specific UPDATE triggers in logical replication subscribers", "commits": ["71e561bd4"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "79b627323eefa181a78e45f6d6dee507d8a08b24f9f598c5b5d8924b8701daea", "section_path": ["Changes"], "commit_groups": [["2f1f189cf", "39d6aec19", "71e561bd4", "d5daae47d", "e8de627a3"]], "identity_text": "Fix firing of column-specific UPDATE triggers in logical replication subscribers (Tom Lane) The code neglected to account for the possibility of column numbers being different between the publisher and subscriber tables, so that if those were indeed different, wrong decisions might be made about which triggers to fire.", "commit_aliases": ["2f1f189cf", "39d6aec19", "71e561bd4", "d5daae47d", "e8de627a3"], "source_commits": ["71e561bd4"], "source_entry_id": "12.4/changes/007", "db_id": "7f3b3d818abf9363e3b17983f30f05af", "patch_ids": ["64f5c7930b1ad63877325902a09e2330"], "statement_hash": "79e1b201f146d50a35e9abe6e269b00f883453c195b58ab2ea0e8acd5e1285a0", "relations": [{"rule": 2, "type": "equivalent", "target": "8eab6cc41e708462e1b56d5cbb8040bf", "evidence": {"same_day": true, "patch_ids": ["64f5c7930b1ad63877325902a09e2330"], "statement_hash": "79e1b201f146d50a35e9abe6e269b00f883453c195b58ab2ea0e8acd5e1285a0"}}, {"rule": 2, "type": "equivalent", "target": "fa59f04b79def3f1ddf28afb8668dde7", "evidence": {"same_day": true, "patch_ids": ["64f5c7930b1ad63877325902a09e2330"], "statement_hash": "79e1b201f146d50a35e9abe6e269b00f883453c195b58ab2ea0e8acd5e1285a0"}}], "version": "12.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8eab6cc41e708462e1b56d5cbb8040bf", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Fix firing of column-specific UPDATE triggers in logical replication subscribers", "evidence": {"same_day": true, "patch_ids": ["64f5c7930b1ad63877325902a09e2330"], "statement_hash": "79e1b201f146d50a35e9abe6e269b00f883453c195b58ab2ea0e8acd5e1285a0"}, "url": "/docs/compare/?release=11.9#11.9-2cc022c35245aada", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "fa59f04b79def3f1ddf28afb8668dde7", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Fix firing of column-specific UPDATE triggers in logical replication subscribers", "evidence": {"same_day": true, "patch_ids": ["64f5c7930b1ad63877325902a09e2330"], "statement_hash": "79e1b201f146d50a35e9abe6e269b00f883453c195b58ab2ea0e8acd5e1285a0"}, "url": "/docs/compare/?release=10.14#10.14-2cc022c35245aada", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}]}, {"id": "12.4-7ef766756b2f8591", "cves": [], "html": "Update oldest xmin and LSN values during pg_replication_slot_advance() (Michael Paquier) §
This function previously failed to do that, possibly preventing resource cleanup (such as removal of no-longer-needed WAL segments) after manual advancement of a replication slot.
", "text": "Update oldest xmin and LSN values during pg_replication_slot_advance() (Michael Paquier) § This function previously failed to do that, possibly preventing resource cleanup (such as removal of no-longer-needed WAL segments) after manual advancement of a replication slot.", "title": "Update oldest xmin and LSN values during pg_replication_slot_advance()", "commits": ["16f43122d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "2fa28e5644b80242e9c816f759297a8f482d16477c51328f81c8ee8865d842db", "section_path": ["Changes"], "commit_groups": [["1657e14b5", "16f43122d", "43e70addf", "b48df818d"]], "identity_text": "Update oldest xmin and LSN values during pg_replication_slot_advance() (Michael Paquier) This function previously failed to do that, possibly preventing resource cleanup (such as removal of no-longer-needed WAL segments) after manual advancement of a replication slot.", "commit_aliases": ["1657e14b5", "16f43122d", "43e70addf", "b48df818d"], "source_commits": ["16f43122d"], "source_entry_id": "12.4/changes/008", "db_id": "0b32dc8da0f50b4c4d90e9cc4a5a557c", "patch_ids": ["00f9c96005839825000fa8bcb3e39065"], "statement_hash": "2d6faebe9d7071c06dafbf246c51e811577d5e3b53e7a0dbd2e7b816ab37f645", "relations": [{"rule": 2, "type": "equivalent", "target": "70bf1fad550f422916199382b4ca07c1", "evidence": {"same_day": true, "patch_ids": ["00f9c96005839825000fa8bcb3e39065"], "statement_hash": "2d6faebe9d7071c06dafbf246c51e811577d5e3b53e7a0dbd2e7b816ab37f645"}}], "version": "12.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "70bf1fad550f422916199382b4ca07c1", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Update oldest xmin and LSN values during pg_replication_slot_advance()", "evidence": {"same_day": true, "patch_ids": ["00f9c96005839825000fa8bcb3e39065"], "statement_hash": "2d6faebe9d7071c06dafbf246c51e811577d5e3b53e7a0dbd2e7b816ab37f645"}, "url": "/docs/compare/?release=11.9#11.9-e9071389215c30ed", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}]}, {"id": "12.4-0483a3a3f7fc0ce4", "cves": [], "html": "Fix slow execution of ts_headline() (Tom Lane) §
The phrase-search fix added in our previous set of minor releases could cause ts_headline() to take unreasonable amounts of time for long documents; to make matters worse, the query was not cancellable within the troublesome loop.
Ensure the repeat() function can be interrupted by query cancel (Joe Conway) §
Fix pg_current_logfile() to not include a carriage return (\\r) in its result on Windows (Tom Lane) §
Ensure that pg_read_file() and related functions read until EOF is reached (Joe Conway) § §
Previously, if not given a specific data length to read, these functions would stop at whatever file length was reported by stat(). That's unhelpful for pipes and other sorts of virtual files.
Forbid numeric NaN values in jsonpath computations (Alexander Korotkov) §
Neither SQL nor JSON have the concept of NaN (not-a-number), but the jsonpath code attempted to allow such values anyway. This necessarily leads to nonstandard behavior, so it seems better to reject such values at the outset.
Handle single Inf or NaN inputs correctly in floating-point aggregates (Tom Lane) §
The affected aggregates are corr(), covar_pop(), regr_intercept(), regr_r2(), regr_slope(), regr_sxx(), regr_sxy(), regr_syy(), stddev_pop(), and var_pop(). The correct answer in such cases is NaN, but an algorithmic change introduced in PostgreSQL v12 had caused these aggregates to produce zero instead.
Fix mis-handling of NaN inputs during parallel aggregation on numeric-type columns (Tom Lane) §
If some partial aggregation workers found only NaNs while others found only non-NaNs, the results were combined incorrectly, possibly leading to the wrong overall result (i.e., not NaN when it should be).
Reject time-of-day values greater than 24 hours (Tom Lane) §
\nThe intention of the datetime input code is to allow “24:00:00” or equivalently “23:59:60”, but no larger value. However, the range check was miscoded so that it would accept “23:59:60.nnn” with nonzero fractional-second nnn. In timestamp values this would result in wrapping into the first second of the next day. In time and timetz values, the stored value would actually be more than 24 hours, causing dump/reload failures and possibly other misbehavior.
Undo double-quoting of index names in EXPLAIN's non-text output formats (Tom Lane, Euler Taveira) §
Fix EXPLAIN's accounting for resource usage, particularly buffer accesses, in parallel workers in a plan using Gather Merge nodes (Jehan-Guillaume de Rorthais) §
Fix timing of constraint revalidation in ALTER TABLE (David Rowley) §
If ALTER TABLE needs to fully rewrite the table's contents (for example, due to change of a column's data type) and also needs to scan the table to re-validate foreign keys or CHECK constraints, it sometimes did things in the wrong order, leading to odd errors such as “could not read block 0 in file \"base/nnnnn/nnnnn\": read only 0 of 8192 bytes”.
Fix REINDEX CONCURRENTLY to preserve the index's replication identity flag (Michael Paquier) §
Previously, reindexing a table's replica identity index caused the setting to be lost, preventing old tuple values from being included in future logical-decoding output.
", "text": "Fix REINDEX CONCURRENTLY to preserve the index's replication identity flag (Michael Paquier) § Previously, reindexing a table's replica identity index caused the setting to be lost, preventing old tuple values from being included in future logical-decoding output.", "title": "Fix REINDEX CONCURRENTLY to preserve the index's replication identity flag", "commits": ["75f147924"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "d0c1f6c4c084558fcd834bdeea6ded013f70e44a0e41d6b7efa61a69a4a3eaf3", "section_path": ["Changes"], "commit_groups": [["1127f0e39", "75f147924"]], "identity_text": "Fix REINDEX CONCURRENTLY to preserve the index's replication identity flag (Michael Paquier) Previously, reindexing a table's replica identity index caused the setting to be lost, preventing old tuple values from being included in future logical-decoding output.", "commit_aliases": ["1127f0e39", "75f147924"], "source_commits": ["75f147924"], "source_entry_id": "12.4/changes/020", "db_id": "dbbdaf1e7728aee3e6efbfbc0614fac1", "patch_ids": ["6f0f5fde32c2da16cd22c7210fb9ca7f"], "statement_hash": "79d5e33a13051e737dba6a943f0e1c266ab59e9e6f11c7288c8d96fade3d0067", "relations": [], "version": "12.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.4-e11e3481e958a61b", "cves": [], "html": "Work around incorrect not-null markings for pg_subscription.subslotname and pg_subscription_rel.srsublsn (Tom Lane) § §
The bootstrap catalog data incorrectly marks these two catalog columns as always non-null. There's no easy way to correct that mistake in existing installations (though v13 and later will have the correct markings). The main place that depends on that marking being correct is JIT-enabled tuple deconstruction, so teach it to explicitly ignore the marking for these two columns. Also adjust some C code that accessed srsublsn without checking to see if it's null; a crash from that is improbable but perhaps not impossible.
Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause (Tom Lane) §
This oversight could result in assertion failures or crashes at query execution.
", "text": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause (Tom Lane) § This oversight could result in assertion failures or crashes at query execution.", "title": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause", "commits": ["d3b642ad9"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "ec287fd05134dbb8dbe2caf978986bcf1e0586d7c35473b26aead2ebddef4de8", "section_path": ["Changes"], "commit_groups": [["0734dbc45", "3753df8f8", "6443cd2e2", "80d8f6d1d", "a742ecf9c", "d3b642ad9", "dc6bb0994"]], "identity_text": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause (Tom Lane) This oversight could result in assertion failures or crashes at query execution.", "commit_aliases": ["0734dbc45", "3753df8f8", "6443cd2e2", "80d8f6d1d", "a742ecf9c", "d3b642ad9", "dc6bb0994"], "source_commits": ["d3b642ad9"], "source_entry_id": "12.4/changes/022", "db_id": "d8c7357f304b21f9fc1ebf108bbf6a5a", "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe", "relations": [{"rule": 2, "type": "equivalent", "target": "91d8f4ed8ce0a5718851159438cb8a31", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}}, {"rule": 2, "type": "equivalent", "target": "e606d5a48ac34be50b0f673b8d4782f3", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}}, {"rule": 2, "type": "equivalent", "target": "fded70ef2a9174c6d7c72c000533182c", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}}, {"rule": 2, "type": "equivalent", "target": "ff4bab21f50db780d6cd4d93f8659b2c", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}}], "version": "12.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ff4bab21f50db780d6cd4d93f8659b2c", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}, "url": "/docs/compare/?release=11.9#11.9-1f73310e8284b6e3", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "e606d5a48ac34be50b0f673b8d4782f3", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}, "url": "/docs/compare/?release=10.14#10.14-1f73310e8284b6e3", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}, {"db_id": "91d8f4ed8ce0a5718851159438cb8a31", "kind": "equivalent", "version": "9.6.19", "label": "9.6.19", "title": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}, "url": "/docs/compare/?release=9.6.19#9.6.19-1f73310e8284b6e3", "source_url": "/docs/release/9.6.19/#AEN132777"}, {"db_id": "fded70ef2a9174c6d7c72c000533182c", "kind": "equivalent", "version": "9.5.23", "label": "9.5.23", "title": "Cope with LATERAL references in restriction clauses attached to an un-flattened sub-SELECT in the FROM clause", "evidence": {"same_day": true, "patch_ids": ["76aa4cd9f96f3951664a29a6e03efa0a"], "statement_hash": "6aaf7fb09bf7d0ed8f0129c28a10df00d91d1e13a018ac16e5d8f79dbe278abe"}, "url": "/docs/compare/?release=9.5.23#9.5.23-1f73310e8284b6e3", "source_url": "/docs/release/9.5.23/#AEN127655"}]}, {"id": "12.4-bcb1553345ca6557", "cves": [], "html": "Use the query-specified collation for operators invoked during selectivity estimation (Tom Lane) § §
\nPreviously, the collation of the underlying database column was used. But using the query's collation is arguably more correct. More importantly, now that we have nondeterministic collations, there are cases where an operator will fail outright if given a nondeterministic collation. We don't want planning to fail in cases where the query itself would work, so this means that we must use the query's collation when invoking operators for estimation purposes.
", "text": "Use the query-specified collation for operators invoked during selectivity estimation (Tom Lane) § § Previously, the collation of the underlying database column was used. But using the query's collation is arguably more correct. More importantly, now that we have nondeterministic collations, there are cases where an operator will fail outright if given a nondeterministic collation. We don't want planning to fail in cases where the query itself would work, so this means that we must use the query's collation when invoking operators for estimation purposes.", "title": "Use the query-specified collation for operators invoked during selectivity estimation", "commits": ["022cd0bfd", "171633ff5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "574add60704d86a340828fffb0b3c0d6d001804472d9880260cdaafc7aa43c1c", "section_path": ["Changes"], "commit_groups": [["022cd0bfd", "044c99bc5"], ["171633ff5", "bd0d893aa", "cc4dd2a7a"]], "identity_text": "Use the query-specified collation for operators invoked during selectivity estimation (Tom Lane) Previously, the collation of the underlying database column was used. But using the query's collation is arguably more correct. More importantly, now that we have nondeterministic collations, there are cases where an operator will fail outright if given a nondeterministic collation. We don't want planning to fail in cases where the query itself would work, so this means that we must use the query's collation when invoking operators for estimation purposes.", "commit_aliases": ["022cd0bfd", "044c99bc5", "171633ff5", "bd0d893aa", "cc4dd2a7a"], "source_commits": ["022cd0bfd", "171633ff5"], "source_entry_id": "12.4/changes/023", "db_id": "566ad7190c6c47ff8b9cc008a7248ed8", "patch_ids": ["413f909f92d0b5fb5b79ace32b5781b7", "556fcae7c4cb8c34946256fd1c562e4a"], "statement_hash": "a55c18a021c25aad0235a0ac3583dd40cc951b2f50eb929044992addf5ff94de", "relations": [], "version": "12.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.4-e1a1948006c90799", "cves": [], "html": "Avoid believing that a never-analyzed foreign table has zero tuples (Tom Lane) §
\nThis primarily affected the planner's estimate of the number of groups that would be obtained by GROUP BY.
Remove bogus warning about “leftover placeholder tuple” in BRIN index de-summarization (Álvaro Herrera) §
\nThe case can occur legitimately after a cancelled vacuum, so warning about it is overly noisy.
", "text": "Remove bogus warning about “leftover placeholder tuple” in BRIN index de-summarization (Álvaro Herrera) § The case can occur legitimately after a cancelled vacuum, so warning about it is overly noisy.", "title": "Remove bogus warning about “leftover placeholder tuple” in BRIN index de-summarization", "commits": ["ca5001a36"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "bbbc73517c49602d8ce540243edbc786cfdbfc9ce8f107e475c9f957b59ee63b", "section_path": ["Changes"], "commit_groups": [["40316dfed", "907283576", "986529ce4", "c3a79e719", "ca5001a36"]], "identity_text": "Remove bogus warning about leftover placeholder tuple in BRIN index de-summarization (Álvaro Herrera) The case can occur legitimately after a cancelled vacuum, so warning about it is overly noisy.", "commit_aliases": ["40316dfed", "907283576", "986529ce4", "c3a79e719", "ca5001a36"], "source_commits": ["ca5001a36"], "source_entry_id": "12.4/changes/025", "db_id": "3cc473b691691103ea5d2da9f49e99cf", "patch_ids": ["a0dafaed724bf151f020b3d7c021e2c6"], "statement_hash": "d71be29bd69f39a0c2c64ac9684c514e05291b4a74b9a2dad8bc9b335b2d6dc6", "relations": [{"rule": 2, "type": "equivalent", "target": "c651b17e825c7cb9a5e1317a2fd6e04d", "evidence": {"same_day": true, "patch_ids": ["a0dafaed724bf151f020b3d7c021e2c6"], "statement_hash": "d71be29bd69f39a0c2c64ac9684c514e05291b4a74b9a2dad8bc9b335b2d6dc6"}}, {"rule": 2, "type": "equivalent", "target": "cf1c5f5d29bd79ec4eed719f8d976e4c", "evidence": {"same_day": true, "patch_ids": ["a0dafaed724bf151f020b3d7c021e2c6"], "statement_hash": "d71be29bd69f39a0c2c64ac9684c514e05291b4a74b9a2dad8bc9b335b2d6dc6"}}], "version": "12.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "cf1c5f5d29bd79ec4eed719f8d976e4c", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Remove bogus warning about “leftover placeholder tuple” in BRIN index de-summarization", "evidence": {"same_day": true, "patch_ids": ["a0dafaed724bf151f020b3d7c021e2c6"], "statement_hash": "d71be29bd69f39a0c2c64ac9684c514e05291b4a74b9a2dad8bc9b335b2d6dc6"}, "url": "/docs/compare/?release=11.9#11.9-1b4f8486ecd30456", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "c651b17e825c7cb9a5e1317a2fd6e04d", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Remove bogus warning about “leftover placeholder tuple” in BRIN index de-summarization", "evidence": {"same_day": true, "patch_ids": ["a0dafaed724bf151f020b3d7c021e2c6"], "statement_hash": "d71be29bd69f39a0c2c64ac9684c514e05291b4a74b9a2dad8bc9b335b2d6dc6"}, "url": "/docs/compare/?release=10.14#10.14-1b4f8486ecd30456", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}]}, {"id": "12.4-5c0e5f8497919354", "cves": [], "html": "Fix selection of tablespaces for “shared fileset” temporary files (Magnus Hagander, Tom Lane) § §
\nIf temp_tablespaces is empty or explicitly names the database's primary tablespace, such files got placed into the pg_default tablespace rather than the database's primary tablespace as expected.
Fix corner-case error in masking of SP-GiST index pages during WAL consistency checking (Alexander Korotkov) §
\nThis could cause false failure reports when wal_consistency_checking is enabled.
Improve error handling in the server's buffile module (Thomas Munro) § §
Fix some cases where I/O errors were indistinguishable from reaching EOF, or were not reported at all. Also add details such as block numbers and byte counts where appropriate.
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If a concurrently-inserted tuple was updated by a different concurrent transaction, and neither tuple version was visible to the current transaction's snapshot, serialization conflict checking could draw the wrong conclusions about whether the tuple was relevant to the results of the current transaction. This could allow a serializable transaction to commit when it should have failed with a serialization error.
", "text": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode (Peter Geoghegan) § If a concurrently-inserted tuple was updated by a different concurrent transaction, and neither tuple version was visible to the current transaction's snapshot, serialization conflict checking could draw the wrong conclusions about whether the tuple was relevant to the results of the current transaction. This could allow a serializable transaction to commit when it should have failed with a serialization error.", "title": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode", "commits": ["e620a38c2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "bc41ab61f098b6d63620c4429705ac4674ec65310158e5307a4470f09ef9f0e9", "section_path": ["Changes"], "commit_groups": [["19a6e1bc3", "5940ffb22", "6df7105e5", "c05f6b354", "dd616f2ec", "e620a38c2", "e81dc2b7e"]], "identity_text": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode (Peter Geoghegan) If a concurrently-inserted tuple was updated by a different concurrent transaction, and neither tuple version was visible to the current transaction's snapshot, serialization conflict checking could draw the wrong conclusions about whether the tuple was relevant to the results of the current transaction. This could allow a serializable transaction to commit when it should have failed with a serialization error.", "commit_aliases": ["19a6e1bc3", "5940ffb22", "6df7105e5", "c05f6b354", "dd616f2ec", "e620a38c2", "e81dc2b7e"], "source_commits": ["e620a38c2"], "source_entry_id": "12.4/changes/029", "db_id": "138c43e0ae188ef556140730c361821d", "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137", "relations": [{"rule": 2, "type": "equivalent", "target": "282bd64770b1b7dd5335d8829c504008", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}}, {"rule": 2, "type": "equivalent", "target": "6c34af70afc8367885d279059a8c7678", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}}, {"rule": 2, "type": "equivalent", "target": "709ab5266dc4930684d28fe6b9d24c51", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}}, {"rule": 2, "type": "equivalent", "target": "98761d6491ab87fdd228d1d2bbcb1ff2", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}}], "version": "12.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "98761d6491ab87fdd228d1d2bbcb1ff2", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}, "url": "/docs/compare/?release=11.9#11.9-e6a779e46f1b0a29", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "709ab5266dc4930684d28fe6b9d24c51", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}, "url": "/docs/compare/?release=10.14#10.14-e6a779e46f1b0a29", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}, {"db_id": "6c34af70afc8367885d279059a8c7678", "kind": "equivalent", "version": "9.6.19", "label": "9.6.19", "title": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}, "url": "/docs/compare/?release=9.6.19#9.6.19-e6a779e46f1b0a29", "source_url": "/docs/release/9.6.19/#AEN132777"}, {"db_id": "282bd64770b1b7dd5335d8829c504008", "kind": "equivalent", "version": "9.5.23", "label": "9.5.23", "title": "Fix conflict-checking anomalies in SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["63b3781076b1620a95f6998eaf9d6ea8"], "statement_hash": "13ac0bd21db252a6b2ccfd02526cde6ab024a70861a86aabb2f64693fc634137"}, "url": "/docs/compare/?release=9.5.23#9.5.23-e6a779e46f1b0a29", "source_url": "/docs/release/9.5.23/#AEN127655"}]}, {"id": "12.4-7a0efc383eed6820", "cves": [], "html": "Avoid repeated marking of dead btree index entries as dead (Masahiko Sawada) §
\nWhile functionally harmless, this led to useless WAL traffic when checksums are enabled or wal_log_hints is on.
Fix checkpointer process to discard file sync requests when fsync is off (Heikki Linnakangas) §
Such requests are treated as no-ops if fsync is off, but we forgot to remove them from the checkpointer's table of pending actions. This would lead to bloat of that table, as well as possible assertion failures if fsync is later re-enabled.
Avoid trouble during cleanup of a non-exclusive backup when JIT compilation has been activated during the backup (Robert Haas) § §
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This oversight could allow pg_control to be written out with an inconsistent checksum, possibly causing trouble later, including inability to restart the database if it crashed before the next pg_control update.
Fix errors in currtid() and currtid2() (Michael Paquier) § §
These functions (which are undocumented and used only by ancient versions of the ODBC driver) contained coding errors that could result in crashes, or in confusing error messages such as “could not open file” when applied to a relation having no storage.
", "text": "Fix errors in currtid() and currtid2() (Michael Paquier) § § These functions (which are undocumented and used only by ancient versions of the ODBC driver) contained coding errors that could result in crashes, or in confusing error messages such as “could not open file” when applied to a relation having no storage.", "title": "Fix errors in currtid() and currtid2()", "commits": ["894041eb2", "95e389b3c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "319bbb024bf0eef376ea670c51fa4ad3b3bc8adc18b163ba890512f08f44f31c", "section_path": ["Changes"], "commit_groups": [["894041eb2", "8bc74490d", "a36f21620", "a8c6eb5b4", "ce1c5b9ae", "e2fa9732f"], ["95e389b3c", "e786be5fc"]], "identity_text": "Fix errors in currtid() and currtid2() (Michael Paquier) These functions (which are undocumented and used only by ancient versions of the ODBC driver) contained coding errors that could result in crashes, or in confusing error messages such as could not open file when applied to a relation having no storage.", "commit_aliases": ["894041eb2", "8bc74490d", "95e389b3c", "a36f21620", "a8c6eb5b4", "ce1c5b9ae", "e2fa9732f", "e786be5fc"], "source_commits": ["894041eb2", "95e389b3c"], "source_entry_id": "12.4/changes/034", "db_id": "70795be678e21023800cb9753e241fd3", "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e", "relations": [{"rule": 2, "type": "equivalent", "target": "4b9438976fc11a64def60e2e14c652c8", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}}, {"rule": 2, "type": "equivalent", "target": "4d15a7ac89a61a2fffe20006bd28ae46", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}}, {"rule": 2, "type": "equivalent", "target": "552c322559e6002617a1451a657e45d3", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}}, {"rule": 2, "type": "equivalent", "target": "aaa48914a0c8e3c550f7d7992dd674eb", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}}], "version": "12.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "aaa48914a0c8e3c550f7d7992dd674eb", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Fix errors in currtid() and currtid2()", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}, "url": "/docs/compare/?release=11.9#11.9-cd85221858cdea3e", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "552c322559e6002617a1451a657e45d3", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Fix errors in currtid() and currtid2()", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}, "url": "/docs/compare/?release=10.14#10.14-cd85221858cdea3e", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}, {"db_id": "4b9438976fc11a64def60e2e14c652c8", "kind": "equivalent", "version": "9.6.19", "label": "9.6.19", "title": "Fix errors in currtid() and currtid2()", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}, "url": "/docs/compare/?release=9.6.19#9.6.19-cd85221858cdea3e", "source_url": "/docs/release/9.6.19/#AEN132777"}, {"db_id": "4d15a7ac89a61a2fffe20006bd28ae46", "kind": "equivalent", "version": "9.5.23", "label": "9.5.23", "title": "Fix errors in currtid() and currtid2()", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}, "url": "/docs/compare/?release=9.5.23#9.5.23-cd85221858cdea3e", "source_url": "/docs/release/9.5.23/#AEN127655"}]}, {"id": "12.4-e98082ace3e3bb8c", "cves": [], "html": "Avoid calling elog() or palloc() while holding a spinlock (Michael Paquier, Tom Lane) § §
Logic associated with replication slots had several violations of this coding rule. While the odds of trouble are quite low, an error in the called function would lead to a stuck spinlock.
", "text": "Avoid calling elog() or palloc() while holding a spinlock (Michael Paquier, Tom Lane) § § Logic associated with replication slots had several violations of this coding rule. While the odds of trouble are quite low, an error in the called function would lead to a stuck spinlock.", "title": "Avoid calling elog() or palloc() while holding a spinlock", "commits": ["03aa25b6e", "3d474a079"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "83ad3f8cb716d3589d91b09a3f724213c32185f6926b8e7c82100cfefddb3714", "section_path": ["Changes"], "commit_groups": [["03aa25b6e", "4a9809e34", "5ed8b4a98", "b41a85f53", "c1669fd58", "e7a134b58"], ["0c735c686", "3d474a079", "7a8cb4a61", "f88bd3139"]], "identity_text": "Avoid calling elog() or palloc() while holding a spinlock (Michael Paquier, Tom Lane) Logic associated with replication slots had several violations of this coding rule. While the odds of trouble are quite low, an error in the called function would lead to a stuck spinlock.", "commit_aliases": ["03aa25b6e", "0c735c686", "3d474a079", "4a9809e34", "5ed8b4a98", "7a8cb4a61", "b41a85f53", "c1669fd58", "e7a134b58", "f88bd3139"], "source_commits": ["03aa25b6e", "3d474a079"], "source_entry_id": "12.4/changes/035", "db_id": "27a280a730fb0fcdb290872f1203c1b5", "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa", "relations": [{"rule": 2, "type": "equivalent", "target": "273e54be3953e1f9eb204765452993e3", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}}, {"rule": 2, "type": "equivalent", "target": "855df8283d480b191956104315e45be1", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}}, {"rule": 2, "type": "equivalent", "target": "df3daeeb0faa8cca216633e36c3b3a40", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}}, {"rule": 2, "type": "equivalent", "target": "e70d7d936f76c777484f5273067ac6f5", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}}], "version": "12.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e70d7d936f76c777484f5273067ac6f5", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Avoid calling elog() or palloc() while holding a spinlock", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}, "url": "/docs/compare/?release=11.9#11.9-354be099729e147e", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "273e54be3953e1f9eb204765452993e3", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Avoid calling elog() or palloc() while holding a spinlock", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}, "url": "/docs/compare/?release=10.14#10.14-354be099729e147e", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}, {"db_id": "df3daeeb0faa8cca216633e36c3b3a40", "kind": "equivalent", "version": "9.6.19", "label": "9.6.19", "title": "Avoid calling elog() or palloc() while holding a spinlock", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}, "url": "/docs/compare/?release=9.6.19#9.6.19-354be099729e147e", "source_url": "/docs/release/9.6.19/#AEN132777"}, {"db_id": "855df8283d480b191956104315e45be1", "kind": "equivalent", "version": "9.5.23", "label": "9.5.23", "title": "Avoid calling elog() or palloc() while holding a spinlock", "evidence": {"same_day": true, "patch_ids": ["7b8a6d0c9a6cc48f6b25baa0ad760128", "c4aea02cbcfbc000949bf778b61af270"], "statement_hash": "81ffb82d876dcf112322599128dceaeadcd558ff62e24ed871ed78320da6a1aa"}, "url": "/docs/compare/?release=9.5.23#9.5.23-354be099729e147e", "source_url": "/docs/release/9.5.23/#AEN127655"}]}, {"id": "12.4-21321c5965c3b08e", "cves": [], "html": "Fix assertion in logical replication subscriber to allow use of REPLICA IDENTITY FULL (Euler Taveira) §
This was just an incorrect assertion, so it has no impact on standard production builds.
", "text": "Fix assertion in logical replication subscriber to allow use of REPLICA IDENTITY FULL (Euler Taveira) § This was just an incorrect assertion, so it has no impact on standard production builds.", "title": "Fix assertion in logical replication subscriber to allow use of REPLICA IDENTITY FULL", "commits": ["b4ded2f22"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "eab95531f2f538041e7a2c76ed9d85610836da5e400be098873043d113ba4654", "section_path": ["Changes"], "commit_groups": [["3acb30b49", "70ae82b9b", "7ccb2f54d", "b4ded2f22"]], "identity_text": "Fix assertion in logical replication subscriber to allow use of REPLICA IDENTITY FULL (Euler Taveira) This was just an incorrect assertion, so it has no impact on standard production builds.", "commit_aliases": ["3acb30b49", "70ae82b9b", "7ccb2f54d", "b4ded2f22"], "source_commits": ["b4ded2f22"], "source_entry_id": "12.4/changes/036", "db_id": "2e471143f27cfc91de8d046938852fdf", "patch_ids": ["a3fd256294473b1da384ce3faced9a29"], "statement_hash": "c58d7228eb7f25ebe885d3741eedfd961a2477f9f3519a2459a69c56f806a116", "relations": [{"rule": 2, "type": "equivalent", "target": "15b4766b26c8fe27ab661f00ea7a57f5", "evidence": {"same_day": true, "patch_ids": ["a3fd256294473b1da384ce3faced9a29"], "statement_hash": "c58d7228eb7f25ebe885d3741eedfd961a2477f9f3519a2459a69c56f806a116"}}, {"rule": 2, "type": "equivalent", "target": "85f5fa023bb5bfcf193dfba6b943b170", "evidence": {"same_day": true, "patch_ids": ["a3fd256294473b1da384ce3faced9a29"], "statement_hash": "c58d7228eb7f25ebe885d3741eedfd961a2477f9f3519a2459a69c56f806a116"}}], "version": "12.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "85f5fa023bb5bfcf193dfba6b943b170", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Fix assertion in logical replication subscriber to allow use of REPLICA IDENTITY FULL", "evidence": {"same_day": true, "patch_ids": ["a3fd256294473b1da384ce3faced9a29"], "statement_hash": "c58d7228eb7f25ebe885d3741eedfd961a2477f9f3519a2459a69c56f806a116"}, "url": "/docs/compare/?release=11.9#11.9-d7916c8673360bdf", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "15b4766b26c8fe27ab661f00ea7a57f5", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Fix assertion in logical replication subscriber to allow use of REPLICA IDENTITY FULL", "evidence": {"same_day": true, "patch_ids": ["a3fd256294473b1da384ce3faced9a29"], "statement_hash": "c58d7228eb7f25ebe885d3741eedfd961a2477f9f3519a2459a69c56f806a116"}, "url": "/docs/compare/?release=10.14#10.14-d7916c8673360bdf", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}]}, {"id": "12.4-dd859a918dc17632", "cves": [], "html": "Ensure that libpq continues to try to read from the database connection socket after a write failure (Tom Lane) §
\nThis is important not only to ensure that we collect any final error message from a dying server process, but because we do not consider the connection lost until we see a read failure. This oversight allowed libpq to continue trying to send COPY data indefinitely after a mid-transfer loss of connection, rather than reporting failure to the application.
Fix bugs in libpq's management of GSS encryption state (Tom Lane) §
\nA connection using GSS encryption could freeze up when attempting to reset it after a server restart, or when moving on to the next one of a list of candidate servers.
", "text": "Fix bugs in libpq's management of GSS encryption state (Tom Lane) § A connection using GSS encryption could freeze up when attempting to reset it after a server restart, or when moving on to the next one of a list of candidate servers.", "title": "Fix bugs in libpq's management of GSS encryption state", "commits": ["e8b22a8a2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "9cc4180e471301888e417e56532aff922d9da6ab2eb26a28133b2f874445ddd7", "section_path": ["Changes"], "commit_groups": [["25fe5ac45", "8e6f134a9", "e8b22a8a2"]], "identity_text": "Fix bugs in libpq's management of GSS encryption state (Tom Lane) A connection using GSS encryption could freeze up when attempting to reset it after a server restart, or when moving on to the next one of a list of candidate servers.", "commit_aliases": ["25fe5ac45", "8e6f134a9", "e8b22a8a2"], "source_commits": ["e8b22a8a2"], "source_entry_id": "12.4/changes/038", "db_id": "00f989c2572fd46a41eb266d31f667a6", "patch_ids": ["fe6e61b4919a7e55ead0197c86195000"], "statement_hash": "9c93a26cc9e793bbded1cde741cf7687f2d56f3b2150b75357239898ed5f9b52", "relations": [], "version": "12.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.4-2a8809429608f030", "cves": [], "html": "Fix ecpg crash with bytea and cursor variables (Jehan-Guillaume de Rorthais) §
Report out-of-disk-space errors properly in pg_dump and pg_basebackup (Justin Pryzby, Tom Lane, Álvaro Herrera) §
\nSome code paths could produce silly reports like “could not write file: Success”.
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\npg_dump will produce such files if it cannot seek its output (for example, if the output is piped to something). This fix primarily improves the ability to do a parallel restore from such a file.
", "text": "Make pg_restore cope with data-offset-less custom-format archive files when it needs to restore data items out of order (David Gilman, Tom Lane) § § pg_dump will produce such files if it cannot seek its output (for example, if the output is piped to something). This fix primarily improves the ability to do a parallel restore from such a file.", "title": "Make pg_restore cope with data-offset-less custom-format archive files when it needs to restore data items out of order", "commits": ["39a068ce6", "66232220e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.4/#id-1.11.6.24.5", "source_hash": "bb843045f94eb2ba1b515ac24607a5a4a5dbdbceb7d7f75ca95c8ee712175379", "section_path": ["Changes"], "commit_groups": [["39a068ce6", "447cf2f8e", "a8d0732ac"], ["66232220e", "71e8e66f7", "f009591d6"]], "identity_text": "Make pg_restore cope with data-offset-less custom-format archive files when it needs to restore data items out of order (David Gilman, Tom Lane) pg_dump will produce such files if it cannot seek its output (for example, if the output is piped to something). This fix primarily improves the ability to do a parallel restore from such a file.", "commit_aliases": ["39a068ce6", "447cf2f8e", "66232220e", "71e8e66f7", "a8d0732ac", "f009591d6"], "source_commits": ["39a068ce6", "66232220e"], "source_entry_id": "12.4/changes/041", "db_id": "566d55325ce1d59fa30712e6f0ac61ec", "patch_ids": ["137cc24e62957bf5cb8776e4685cd355", "e339b718f24f8ffc30bd60276695b4cf"], "statement_hash": "12ead5785dbead0d6dc6296388c06bf45ddcd1b9388ab286254e39b44090eba5", "relations": [], "version": "12.4", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.4-f21be96544e8e42e", "cves": [], "html": "Fix parallel restore of tables having both table-level privileges and per-column privileges (Tom Lane) §
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", "text": "Fix parallel restore of tables having both table-level privileges and per-column privileges (Tom Lane) § The table-level privilege grants have to be applied first, but a parallel restore did not reliably order them that way; this could lead to “tuple concurrently updated” errors, or to disappearance of some per-column privilege grants. 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Fix pg_recvlogical to drain pending messages before exiting (Noah Misch) § §
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\nWhen working with an on-line source database, concurrent file deletions are possible, but pg_rewind would get confused if deletion happened between seeing a file's directory entry and examining it with stat().
Make pg_test_fsync use binary I/O mode on Windows (Michael Paquier) §
\nPreviously it wrote the test file in text mode, which is not an accurate reflection of PostgreSQL's actual usage.
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This state of affairs is normal during WAL replay.
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With the right combination of circumstances, this could lead to dblink_close() issuing an unexpected remote COMMIT.
Fix contrib/pgcrypto's misuse of deflate() (Tom Lane) §
The pgp_sym_encrypt functions could produce incorrect compressed data due to mishandling of zlib's API requirements. We have no reports of this error manifesting with stock zlib, but it can be seen when using IBM's zlibNX implementation.
Fix corner case in decompression logic in contrib/pgcrypto's pgp_sym_decrypt functions (Kyotaro Horiguchi, Michael Paquier) §
A compressed stream can validly end with an empty packet, but the decompressor failed to handle this and would complain about corrupt data.
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This could confuse some logic that looked for configure to identify the top level of the source tree.
A dump/restore is not required for those running 12.X.
\nHowever, if you are upgrading from a version earlier than 12.2, see Section E.21.
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If a GENERATED column's value is an exact copy of another column of the table (and it is a pass-by-reference data type), it was possible to crash or insert corrupted data into the table. While it would be rather pointless for a GENERATED expression to just duplicate another column, an expression using a function that sometimes returns its input unchanged could create the situation.
Handle inheritance of generated columns better (Peter Eisentraut) §
\nWhen a table column is inherited during CREATE TABLE ... INHERITS, disallow changing any generation properties when the parent column is already marked GENERATED; but allow a child column to be marked GENERATED when its parent is not.
Fix cross-column references in CREATE TABLE LIKE INCLUDING GENERATED (Peter Eisentraut) §
CREATE TABLE ... LIKE failed when trying to copy a GENERATED expression that references a physically-later column.
Propagate ALTER TABLE ... SET STORAGE to indexes (Peter Eisentraut) §
Non-expression index columns have always copied the attstorage property of their table column at creation. Update them when ALTER TABLE ... SET STORAGE is done, to maintain consistency.
Preserve the indisclustered setting of indexes rewritten by ALTER TABLE (Amit Langote, Justin Pryzby) §
Previously, ALTER TABLE lost track of which index had been used for CLUSTER.
Preserve the replica identity properties of indexes rewritten by ALTER TABLE (Quan Zongliang, Peter Eisentraut) §
Preserve the indisclustered setting of indexes rebuilt by REINDEX CONCURRENTLY (Justin Pryzby) §
Lock objects sooner during DROP OWNED BY (Álvaro Herrera) §
This avoids failures in race-condition cases where another session is deleting some of the same objects.
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Some error cases would be reported as “unexpected node type” or the like, instead of the intended message.
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", "text": "Ensure that when a partition is detached, any triggers cloned from its formerly-parent table are removed (Justin Pryzby) §", "title": "Ensure that when a partition is detached, any triggers cloned from its formerly-parent table are removed", "commits": ["e26c8a6b3"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "c6d5c675f38afa9446150e6c54b0033fec84f709ef1eb704d0c87e490141a56e", "section_path": ["Changes"], "commit_groups": [["0b83c4721", "afccd76f1", "e26c8a6b3"]], "identity_text": "Ensure that when a partition is detached, any triggers cloned from its formerly-parent table are removed (Justin Pryzby)", "commit_aliases": ["0b83c4721", "afccd76f1", "e26c8a6b3"], "source_commits": ["e26c8a6b3"], "source_entry_id": "12.3/changes/010", "db_id": "f55c467b899e71fbd885437b31e5b198", "patch_ids": ["34415bb7f9a6a80eef418abd5e1e0841"], "statement_hash": "648c100706961b6cdab370dd06c1d402daab966ed27af80af70c75a533e161b8", "relations": [{"rule": 2, "type": "equivalent", "target": "ef210adecbcf59994b2172f6210ca8aa", "evidence": {"same_day": true, "patch_ids": ["34415bb7f9a6a80eef418abd5e1e0841"], "statement_hash": "648c100706961b6cdab370dd06c1d402daab966ed27af80af70c75a533e161b8"}}], "version": "12.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ef210adecbcf59994b2172f6210ca8aa", "kind": "equivalent", "version": "11.8", "label": "11.8", "title": "Ensure that when a partition is detached, any triggers cloned from its formerly-parent table are removed", "evidence": {"same_day": true, "patch_ids": ["34415bb7f9a6a80eef418abd5e1e0841"], "statement_hash": "648c100706961b6cdab370dd06c1d402daab966ed27af80af70c75a533e161b8"}, "url": "/docs/compare/?release=11.8#11.8-6fa27678d4346d6a", "source_url": "/docs/release/11.8/#id-1.11.6.19.5"}]}, {"id": "12.3-6b76ecb31682cd26", "cves": [], "html": "Fix crash when COLLATE is applied to a non-collatable type in a partition bound expression (Dmitry Dolgov) §
Ensure that unique indexes over partitioned tables match the equality semantics of the partitioning key (Guancheng Luo) §
\nThis would only be an issue with index opclasses that have unusual notions of equality, but it's wrong in theory, so check.
", "text": "Ensure that unique indexes over partitioned tables match the equality semantics of the partitioning key (Guancheng Luo) § This would only be an issue with index opclasses that have unusual notions of equality, but it's wrong in theory, so check.", "title": "Ensure that unique indexes over partitioned tables match the equality semantics of the partitioning key", "commits": ["76ea60696"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "0e86f31135d2dd06712ef58904a7e76d3999affc7aebe1655d5f38d8d7e4c33a", "section_path": ["Changes"], "commit_groups": [["501b01879", "76ddc88f4", "76ea60696"]], "identity_text": "Ensure that unique indexes over partitioned tables match the equality semantics of the partitioning key (Guancheng Luo) This would only be an issue with index opclasses that have unusual notions of equality, but it's wrong in theory, so check.", "commit_aliases": ["501b01879", "76ddc88f4", "76ea60696"], "source_commits": ["76ea60696"], "source_entry_id": "12.3/changes/012", "db_id": "c9e14588094d7a8fb137f98b59979348", "patch_ids": ["e6489d18739dd19993007478b8bcb4a4"], "statement_hash": "8798ba3c84429dc46d54e4887005376904b7e56901930de1d8d9027b00234b91", "relations": [{"rule": 2, "type": "equivalent", "target": "92c422aa37a4e8d51c736f70cb3f98e0", "evidence": {"same_day": true, "patch_ids": ["e6489d18739dd19993007478b8bcb4a4"], "statement_hash": "8798ba3c84429dc46d54e4887005376904b7e56901930de1d8d9027b00234b91"}}], "version": "12.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "92c422aa37a4e8d51c736f70cb3f98e0", "kind": "equivalent", "version": "11.8", "label": "11.8", "title": "Ensure that unique indexes over partitioned tables match the equality semantics of the partitioning key", "evidence": {"same_day": true, "patch_ids": ["e6489d18739dd19993007478b8bcb4a4"], "statement_hash": "8798ba3c84429dc46d54e4887005376904b7e56901930de1d8d9027b00234b91"}, "url": "/docs/compare/?release=11.8#11.8-a6869c8e2e9e1e31", "source_url": "/docs/release/11.8/#id-1.11.6.19.5"}]}, {"id": "12.3-ed638ee3f3afb2f3", "cves": [], "html": "Ensure that members of the pg_read_all_stats role can read all statistics views, as expected (Magnus Hagander) §
The functions underlying the pg_stat_progress_* views had not gotten this memo.
Repair performance regression in information_schema.triggers view (Tom Lane) §
This patch redefines that view so that an outer WHERE clause constraining the table name can be pushed down into the view, allowing its calculations to be done only for triggers belonging to the table of interest rather than all triggers in the database. In a database with many triggers this would make a significant speed difference for queries of that form. Since things worked that way before v11, this is a potential performance regression. Users who find this to be a problem can fix it by replacing the view definition (or, perhaps, just deleting and reinstalling the whole information_schema schema).
Repair performance regression in floating point overflow/underflow detection (Emre Hasegeli) §
\nPrevious refactoring had resulted in isinf() being called extra times in some hot code paths.
Fix full text search to handle NOT above a phrase search correctly (Tom Lane) §
\nQueries such as !(foo<->bar) failed to find matching rows when implemented as a GiST or GIN index search.
Fix full text search for cases where a phrase search includes an item with both prefix matching and a weight restriction (Tom Lane) §
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Fix bugs in gin_fuzzy_search_limit processing (Adé Heyward, Tom Lane) §
A small value of gin_fuzzy_search_limit could result in unexpected slowness due to unintentionally rescanning the same index page many times. Another code path failed to apply the intended filtering at all, possibly returning too many values.
Allow input of type circle to accept the format “(” as the documentation says it does (David Zhang) §x,y),r
Make the get_bit() and set_bit() functions cope with bytea strings longer than 256MB (Movead Li) §
Since the bit number argument is only int4, it's impossible to use these functions to access bits beyond the first 256MB of a long bytea. We'll widen the argument to int8 in v13, but in the meantime, allow these functions to work on the initial substring of a long bytea.
Ignore file-not-found errors in pg_ls_waldir() and allied functions (Tom Lane) §
This prevents a race condition failure if a file is removed between when we see its directory entry and when we attempt to stat() it.
Avoid possibly leaking an open-file descriptor for a directory in pg_ls_dir(), pg_timezone_names(), pg_tablespace_databases(), and allied functions (Justin Pryzby) § § §
Fix polymorphic-function type resolution to correctly infer the actual type of an anyarray output when given only an anyrange input (Tom Lane) §
Fix server's connection-startup logic for case where a GSSAPI connection is rejected because support is not compiled in, and the client then tries SSL instead (Andrew Gierth) §
\nThis led to a bogus “unsupported frontend protocol” failure.
", "text": "Fix server's connection-startup logic for case where a GSSAPI connection is rejected because support is not compiled in, and the client then tries SSL instead (Andrew Gierth) § This led to a bogus “unsupported frontend protocol” failure.", "title": "Fix server's connection-startup logic for case where a GSSAPI connection is rejected because support is not compiled in, and the client then tries SSL instead", "commits": ["79e594cf0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "5ac1d7f75632c24d3695dacd4d543ef58dd1fa35e4cd11e0517575e0350ad28c", "section_path": ["Changes"], "commit_groups": [["79e594cf0", "b68a560f8"]], "identity_text": "Fix server's connection-startup logic for case where a GSSAPI connection is rejected because support is not compiled in, and the client then tries SSL instead (Andrew Gierth) This led to a bogus unsupported frontend protocol failure.", "commit_aliases": ["79e594cf0", "b68a560f8"], "source_commits": ["79e594cf0"], "source_entry_id": "12.3/changes/025", "db_id": "e66c7397e90bf3562bc20081f3a53b20", "patch_ids": ["56da780d9cf3ae7e3aad8be976d2ef4b"], "statement_hash": "01fedc43c6c77f99c7baafc3fd705d202e3d829574b1b8c78e3f13691fec0a04", "relations": [], "version": "12.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.3-02a99f17409636b3", "cves": [], "html": "Fix memory leakage during GSSAPI encryption (Tom Lane) §
\nBoth the backend and libpq would leak memory equivalent to the total amount of data sent during the session, if GSSAPI encryption is in use.
", "text": "Fix memory leakage during GSSAPI encryption (Tom Lane) § Both the backend and libpq would leak memory equivalent to the total amount of data sent during the session, if GSSAPI encryption is in use.", "title": "Fix memory leakage during GSSAPI encryption", "commits": ["987717d7c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "eecb41f5488a71d353bae313171bd86d30fe7e43731945b3538b6c3976606d8b", "section_path": ["Changes"], "commit_groups": [["46da7bf67", "987717d7c"]], "identity_text": "Fix memory leakage during GSSAPI encryption (Tom Lane) Both the backend and libpq would leak memory equivalent to the total amount of data sent during the session, if GSSAPI encryption is in use.", "commit_aliases": ["46da7bf67", "987717d7c"], "source_commits": ["987717d7c"], "source_entry_id": "12.3/changes/026", "db_id": "c293bd74d71d2cb61f8695ea604f9b12", "patch_ids": ["499f8687e41fa5bc8f0d4aa61b14e68b"], "statement_hash": "e4544b70f03d5f876ffc2a61119cd81f04ef1c23adff46294c369e8c77d26fe6", "relations": [], "version": "12.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.3-d03e2fecd3b26471", "cves": [], "html": "Fix query-lifespan memory leak for a set-returning function used in a query's FROM clause (Andres Freund) §
Avoid leakage of a hashed subplan's hash tables across multiple executions (Andreas Karlsson, Tom Lane) §
\nThis mistake could result in severe memory bloat if a query re-executed a hashed subplan enough times.
", "text": "Avoid leakage of a hashed subplan's hash tables across multiple executions (Andreas Karlsson, Tom Lane) § This mistake could result in severe memory bloat if a query re-executed a hashed subplan enough times.", "title": "Avoid leakage of a hashed subplan's hash tables across multiple executions", "commits": ["96d783ae5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "323aadecece388e2ba02b51a38c9103d737d34223dfcc664d096fa8cda8e0651", "section_path": ["Changes"], "commit_groups": [["58c47ccff", "96d783ae5", "9eb6b652a"]], "identity_text": "Avoid leakage of a hashed subplan's hash tables across multiple executions (Andreas Karlsson, Tom Lane) This mistake could result in severe memory bloat if a query re-executed a hashed subplan enough times.", "commit_aliases": ["58c47ccff", "96d783ae5", "9eb6b652a"], "source_commits": ["96d783ae5"], "source_entry_id": "12.3/changes/028", "db_id": "87dcdf19f968873ee3aef04f3dce202e", "patch_ids": ["0feda9f7358659abc4f7bd06a1ae48eb"], "statement_hash": "b92bde77fd2fe1c7284cec2598eee393b2938fec62f18e3408d44759b93601b3", "relations": [{"rule": 2, "type": "equivalent", "target": "575a00e699268fd1c7563d0896556718", "evidence": {"same_day": true, "patch_ids": ["0feda9f7358659abc4f7bd06a1ae48eb"], "statement_hash": "b92bde77fd2fe1c7284cec2598eee393b2938fec62f18e3408d44759b93601b3"}}], "version": "12.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "575a00e699268fd1c7563d0896556718", "kind": "equivalent", "version": "11.8", "label": "11.8", "title": "Avoid leakage of a hashed subplan's hash tables across multiple executions", "evidence": {"same_day": true, "patch_ids": ["0feda9f7358659abc4f7bd06a1ae48eb"], "statement_hash": "b92bde77fd2fe1c7284cec2598eee393b2938fec62f18e3408d44759b93601b3"}, "url": "/docs/compare/?release=11.8#11.8-8e7b25dc5136e0d2", "source_url": "/docs/release/11.8/#id-1.11.6.19.5"}]}, {"id": "12.3-237c9db42cb82865", "cves": [], "html": "Improve planner's handling of no-op domain coercions (Tom Lane) §
\nFix some cases where a domain coercion that does nothing was not completely removed from expressions.
", "text": "Improve planner's handling of no-op domain coercions (Tom Lane) § Fix some cases where a domain coercion that does nothing was not completely removed from expressions.", "title": "Improve planner's handling of no-op domain coercions", "commits": ["30d5c6bf2"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "69b5ef414db4a16e184350b145043a3948b17376e607e83c414e95ab85f68745", "section_path": ["Changes"], "commit_groups": [["30d5c6bf2", "a477bfc1d"]], "identity_text": "Improve planner's handling of no-op domain coercions (Tom Lane) Fix some cases where a domain coercion that does nothing was not completely removed from expressions.", "commit_aliases": ["30d5c6bf2", "a477bfc1d"], "source_commits": ["30d5c6bf2"], "source_entry_id": "12.3/changes/029", "db_id": "9e90c2c0797d76a488d31391fbbcd496", "patch_ids": ["00d50dc5259b5dd70096bd6d1f22f728"], "statement_hash": "263b7490fd84a8148f37bdd239f359160eeaf462d36ab89f759461f5373f54b4", "relations": [], "version": "12.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.3-9301d33327f1df9f", "cves": [], "html": "Avoid unlikely crash when REINDEX is terminated by a session-shutdown signal (Tom Lane) §
Prevent printout of possibly-incorrect hash join table statistics in EXPLAIN (Konstantin Knizhnik, Tom Lane, Thomas Munro) §
Fix reporting of elapsed time for heap truncation steps in VACUUM VERBOSE (Tatsuhito Kasahara) §
Fix possible undercounting of deleted B-tree index pages in VACUUM VERBOSE output (Peter Geoghegan) §
Fix wrong bookkeeping for oldest deleted page in a B-tree index (Peter Geoghegan) § §
\nThis could cause subtly wrong decisions about when VACUUM can skip an index cleanup scan; although it appears there may be no significant user-visible effects from that.
Ensure that TimelineHistoryRead and TimelineHistoryWrite wait states are reported in all code paths that read or write timeline history files (Masahiro Ikeda) §
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", "text": "Avoid possibly showing “waiting” twice in a process's PS status (Masahiko Sawada) §", "title": "Avoid possibly showing “waiting” twice in a process's PS status", "commits": ["82c04e483"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "c1b056f60abb9986e67d1a9350ae35bd61c999ac549e06d09cc09ef5799d444f", "section_path": ["Changes"], "commit_groups": [["17d3fcdc3", "82c04e483", "c9a47b81e", "d1b414e7e", "e54183cb0", "e9c4eaacd"]], "identity_text": "Avoid possibly showing waiting twice in a process's PS status (Masahiko Sawada)", "commit_aliases": ["17d3fcdc3", "82c04e483", "c9a47b81e", "d1b414e7e", "e54183cb0", "e9c4eaacd"], "source_commits": ["82c04e483"], "source_entry_id": "12.3/changes/036", "db_id": "4e3a1a2456aba94194356a01413e3114", "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea", "relations": [{"rule": 2, "type": "equivalent", "target": "22918bbd723838fd326c43f73db0beb2", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}}, {"rule": 2, "type": "equivalent", "target": "9c38c588942a2de8ba8e7fb0147649d5", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}}, {"rule": 2, "type": "equivalent", "target": "bc7286641728a1efd19e31a44b3cd6a2", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}}, {"rule": 2, "type": "equivalent", "target": "d90ea1969e6efed6f293f894e2b16d72", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}}], "version": "12.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "9c38c588942a2de8ba8e7fb0147649d5", "kind": "equivalent", "version": "11.8", "label": "11.8", "title": "Avoid possibly showing “waiting” twice in a process's PS status", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}, "url": "/docs/compare/?release=11.8#11.8-0412ac2c2b9ed04e", "source_url": "/docs/release/11.8/#id-1.11.6.19.5"}, {"db_id": "22918bbd723838fd326c43f73db0beb2", "kind": "equivalent", "version": "10.13", "label": "10.13", "title": "Avoid possibly showing “waiting” twice in a process's PS status", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}, "url": "/docs/compare/?release=10.13#10.13-0412ac2c2b9ed04e", "source_url": "/docs/release/10.13/#id-1.11.6.15.5"}, {"db_id": "d90ea1969e6efed6f293f894e2b16d72", "kind": "equivalent", "version": "9.6.18", "label": "9.6.18", "title": "Avoid possibly showing \"waiting\" twice in a process's PS status", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}, "url": "/docs/compare/?release=9.6.18#9.6.18-907e667940bc6dac", "source_url": "/docs/release/9.6.18/#AEN132932"}, {"db_id": "bc7286641728a1efd19e31a44b3cd6a2", "kind": "equivalent", "version": "9.5.22", "label": "9.5.22", "title": "Avoid possibly showing \"waiting\" twice in a process's PS status", "evidence": {"same_day": true, "patch_ids": ["8cc2e23b39efb918497ce937a490afc6"], "statement_hash": "b2492270143de8c203a1998678437872e10fd4d369ec3ee00abba52e19fa69ea"}, "url": "/docs/compare/?release=9.5.22#9.5.22-907e667940bc6dac", "source_url": "/docs/release/9.5.22/#AEN127799"}]}, {"id": "12.3-becad03668099bac", "cves": [], "html": "Avoid race condition when ANALYZE replaces the catalog tuple for extended statistics data (Dean Rasheed) §
Remove ill-considered skip of “redundant” anti-wraparound vacuums (Michael Paquier) §
\nThis avoids a corner case where autovacuum could get into a loop of repeatedly trying and then skipping the same vacuum job.
", "text": "Remove ill-considered skip of “redundant” anti-wraparound vacuums (Michael Paquier) § This avoids a corner case where autovacuum could get into a loop of repeatedly trying and then skipping the same vacuum job.", "title": "Remove ill-considered skip of “redundant” anti-wraparound vacuums", "commits": ["3ec8576a0"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "7cd83951fae6c3945428bbf2393b16cae7bb392974e3c5631413f9c7f7b2ebff", "section_path": ["Changes"], "commit_groups": [["3ec8576a0", "dd9ac7d5d"]], "identity_text": "Remove ill-considered skip of redundant anti-wraparound vacuums (Michael Paquier) This avoids a corner case where autovacuum could get into a loop of repeatedly trying and then skipping the same vacuum job.", "commit_aliases": ["3ec8576a0", "dd9ac7d5d"], "source_commits": ["3ec8576a0"], "source_entry_id": "12.3/changes/038", "db_id": "6bbfc14fe99a5b1dba84d91e52639f04", "patch_ids": ["8cf34702c48c4c1805becd5b9885447a"], "statement_hash": "ed8f945deffa8d9f177014c0a79cdc4c316bd204d9f9ece38fe7247cce60a1ab", "relations": [], "version": "12.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.3-5bfd30d049af82a2", "cves": [], "html": "Ensure INCLUDE'd columns are always removed from B-tree pivot tuples (Peter Geoghegan) §
\nThis mistake wasted space in some rare cases, but was otherwise harmless.
", "text": "Ensure INCLUDE'd columns are always removed from B-tree pivot tuples (Peter Geoghegan) § This mistake wasted space in some rare cases, but was otherwise harmless.", "title": "Ensure INCLUDE'd columns are always removed from B-tree pivot tuples", "commits": ["97cda93d8"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.3/#id-1.11.6.25.5", "source_hash": "0a1929efa05dae710856d018fc06bd5303ad2850a964bc947189506e423790a8", "section_path": ["Changes"], "commit_groups": [["4b42a8993", "97cda93d8"]], "identity_text": "Ensure INCLUDE'd columns are always removed from B-tree pivot tuples (Peter Geoghegan) This mistake wasted space in some rare cases, but was otherwise harmless.", "commit_aliases": ["4b42a8993", "97cda93d8"], "source_commits": ["97cda93d8"], "source_entry_id": "12.3/changes/039", "db_id": "8feebce2b7c76a231a04a8462df75f85", "patch_ids": ["fc23ac42ec7922faca3cd01fc9453eff"], "statement_hash": "42d6bf31b55f77c0184b73e65babbbbd6c2ef28362a4eb1457175076328a5f80", "relations": [], "version": "12.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.3-e435690c9391899e", "cves": [], "html": "Cope with invalid TOAST indexes that could be left over after a failed REINDEX CONCURRENTLY (Julien Rouhaud) §
Ensure that valid index dependencies are left behind after a failed REINDEX CONCURRENTLY (Michael Paquier) §
Previously the old index could be left with no pg_depend links at all, so that for example it would not get dropped if the parent table is dropped.
Avoid failure if autovacuum tries to access a just-dropped temporary schema (Tom Lane) §
\nThis hazard only arises if a superuser manually drops a temporary schema; which isn't normal practice, but should work.
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\nWAL segments that become ready to be archived during crash recovery were potentially recycled without being archived.
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\nThis can eliminate many attempts to fetch non-existent WAL files from archive storage, which is helpful if archive access is slow.
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This could result in a walsender later becoming stuck waiting for the lock.
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\nHowever, if you have any foreign key constraints referencing partitioned tables, see the two entries below about bugs in that feature.
", "compatibility_count": 0, "label": "12.2", "status_label": "Historical", "eol": "2024-11-21", "age_days": 2420, "support_days": -677, "entries": [{"id": "12.2-aa2ddd8e29f6283e", "cves": ["CVE-2020-1720"], "html": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION (Álvaro Herrera) §
Marking an object as dependent on an extension did not have any privilege check whatsoever. This oversight allowed any user to mark routines, triggers, materialized views, or indexes as droppable by anyone able to drop an extension. Require that the calling user own the specified object (and hence have privilege to drop it). (CVE-2020-1720)
", "text": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION (Álvaro Herrera) § Marking an object as dependent on an extension did not have any privilege check whatsoever. This oversight allowed any user to mark routines, triggers, materialized views, or indexes as droppable by anyone able to drop an extension. Require that the calling user own the specified object (and hence have privilege to drop it). (CVE-2020-1720)", "title": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION", "commits": ["2ad125322"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "e77718a62af5361ee3263a8f5e357702ba08f2c27f8b1dee4a1b4484ab698d9e", "section_path": ["Changes"], "commit_groups": [["2ad125322", "ac1a998ed", "b048f558d", "bdd19e48a", "e8b8eb937"]], "identity_text": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION (Álvaro Herrera) Marking an object as dependent on an extension did not have any privilege check whatsoever. This oversight allowed any user to mark routines, triggers, materialized views, or indexes as droppable by anyone able to drop an extension. Require that the calling user own the specified object (and hence have privilege to drop it). (CVE-2020-1720)", "commit_aliases": ["2ad125322", "ac1a998ed", "b048f558d", "bdd19e48a", "e8b8eb937"], "source_commits": ["2ad125322"], "source_entry_id": "12.2/changes/001", "db_id": "d70df0706df2abf1bfb334c185608edf", "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e", "relations": [{"rule": 2, "type": "equivalent", "target": "0996f001cb1ffbb122a5bba8cf55764f", "evidence": {"same_day": true, "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e"}}, {"rule": 2, "type": "equivalent", "target": "98301dcc33caa482d422a6f57fbf5957", "evidence": {"same_day": true, "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e"}}, {"rule": 2, "type": "equivalent", "target": "e7c3294c568782d7f22c5b777ffb6235", "evidence": {"same_day": true, "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e"}}], "version": "12.2", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "0996f001cb1ffbb122a5bba8cf55764f", "kind": "equivalent", "version": "11.7", "label": "11.7", "title": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION", "evidence": {"same_day": true, "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e"}, "url": "/docs/compare/?release=11.7#11.7-3dc5ff4db456b492", "source_url": "/docs/release/11.7/#id-1.11.6.20.5"}, {"db_id": "98301dcc33caa482d422a6f57fbf5957", "kind": "equivalent", "version": "10.12", "label": "10.12", "title": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION", "evidence": {"same_day": true, "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e"}, "url": "/docs/compare/?release=10.12#10.12-3dc5ff4db456b492", "source_url": "/docs/release/10.12/#id-1.11.6.16.5"}, {"db_id": "e7c3294c568782d7f22c5b777ffb6235", "kind": "equivalent", "version": "9.6.17", "label": "9.6.17", "title": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION", "evidence": {"same_day": true, "patch_ids": ["63b3debbf84673645f7ac9b987c30ca0"], "statement_hash": "af764eb0a2c95d985bd43741228f2ce69db83bb4a9b5160bf1ab42bbd0a0fb7e"}, "url": "/docs/compare/?release=9.6.17#9.6.17-3dc5ff4db456b492", "source_url": "/docs/release/9.6.17/#AEN133104"}]}, {"id": "12.2-325c20d302dc4962", "cves": [], "html": "Fix TRUNCATE ... CASCADE to ensure all relevant partitions are truncated (Jehan-Guillaume de Rorthais) §
If a partition of a partitioned table is truncated with the CASCADE option, and the partitioned table has a foreign-key reference from another table, that table must also be truncated. The need to check this was missed if the referencing table was itself partitioned, possibly allowing rows to survive that violate the foreign-key constraint.
Hence, if you have foreign key constraints between partitioned tables, and you have done any partition-level TRUNCATE on the referenced table, you should check to see if any foreign key violations exist. The simplest way is to add a new instance of the foreign key constraint (and, once that succeeds, drop it or the original constraint). That may be prohibitive from a locking standpoint, however, in which case you might prefer to manually query for unmatched rows.
Fix failure to attach foreign key constraints to sub-partitions (Jehan-Guillaume de Rorthais) §
\nWhen adding a partition to a level below the first level of a multi-level partitioned table, foreign key constraints referencing the top partitioned table were not cloned to the new partition, leading to possible constraint violations later. Detaching and re-attaching the new partition is the cheapest way to fix this. However, if there are many partitions to be fixed, adding a new instance of the foreign key constraint might be preferable.
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", "text": "Fix possible crash during concurrent update on a partitioned table or inheritance tree (Tom Lane) §", "title": "Fix possible crash during concurrent update on a partitioned table or inheritance tree", "commits": ["87fed2a19"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "a30b9e3a6aff3b3823d92cd4e8b35772f4c5525c150f08a9c6d9055d18ddf0c0", "section_path": ["Changes"], "commit_groups": [["01d9676a5", "87fed2a19"]], "identity_text": "Fix possible crash during concurrent update on a partitioned table or inheritance tree (Tom Lane)", "commit_aliases": ["01d9676a5", "87fed2a19"], "source_commits": ["87fed2a19"], "source_entry_id": "12.2/changes/004", "db_id": "a707db7ce921c59befb7e6d1fd8395dc", "patch_ids": ["e6a6272997b87b51dc1ad1c57cf20b88"], "statement_hash": "13820cdde02cb4af560453e6ee3b6103776d8f1274b2051d9f2cafabd4a6556d", "relations": [], "version": "12.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.2-bcc5e969e212535e", "cves": [], "html": "Ensure that row triggers on partitioned tables are correctly cloned to sub-partitions when appropriate (Álvaro Herrera) §
\nUser-defined triggers (but not triggers for foreign key or deferred unique constraints) might be missed when creating or attaching a partition.
", "text": "Ensure that row triggers on partitioned tables are correctly cloned to sub-partitions when appropriate (Álvaro Herrera) § User-defined triggers (but not triggers for foreign key or deferred unique constraints) might be missed when creating or attaching a partition.", "title": "Ensure that row triggers on partitioned tables are correctly cloned to sub-partitions when appropriate", "commits": ["d73214839"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "6fd572e1ed18010d0ec6168eaae05715c5ef8ac6a57394a22b58f9d5d95f0e4a", "section_path": ["Changes"], "commit_groups": [["1fa846f1c", "adc9cb6f2", "d73214839"]], "identity_text": "Ensure that row triggers on partitioned tables are correctly cloned to sub-partitions when appropriate (Álvaro Herrera) User-defined triggers (but not triggers for foreign key or deferred unique constraints) might be missed when creating or attaching a partition.", "commit_aliases": ["1fa846f1c", "adc9cb6f2", "d73214839"], "source_commits": ["d73214839"], "source_entry_id": "12.2/changes/005", "db_id": "d9288b1e1cc68cc3c76ff12f092ceeee", "patch_ids": ["c649260ddaefae4f14d5d22606e12457"], "statement_hash": "8a992218772c140c8c1591929c4000c5d64663be1a0a05c88ac470378fbf0d0a", "relations": [{"rule": 2, "type": "equivalent", "target": "c9d4a4b5d44bdf0878eb6eea89916a96", "evidence": {"same_day": true, "patch_ids": ["c649260ddaefae4f14d5d22606e12457"], "statement_hash": "8a992218772c140c8c1591929c4000c5d64663be1a0a05c88ac470378fbf0d0a"}}], "version": "12.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c9d4a4b5d44bdf0878eb6eea89916a96", "kind": "equivalent", "version": "11.7", "label": "11.7", "title": "Ensure that row triggers on partitioned tables are correctly cloned to sub-partitions when appropriate", "evidence": {"same_day": true, "patch_ids": ["c649260ddaefae4f14d5d22606e12457"], "statement_hash": "8a992218772c140c8c1591929c4000c5d64663be1a0a05c88ac470378fbf0d0a"}, "url": "/docs/compare/?release=11.7#11.7-e03caad12786e3e7", "source_url": "/docs/release/11.7/#id-1.11.6.20.5"}]}, {"id": "12.2-45fabddf79946a04", "cves": [], "html": "Fix logical replication subscriber code to execute per-column UPDATE triggers when appropriate (Peter Eisentraut) §
Avoid failure in logical decoding when a large transaction must be spilled into many separate temporary files (Amit Khandekar) § §
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Fix failure to insert default values for “missing” attributes during tuple conversion (Vik Fearing, Andrew Gierth) §
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Fix handling of multiple AFTER ROW triggers on a foreign table (Etsuro Fujita) §
Fix unlikely crash with pass-by-reference aggregate transition states (Andres Freund, Teodor Sigaev) §
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", "text": "Improve error reporting in to_date() and to_timestamp() (Tom Lane, Álvaro Herrera) § § Reports about incorrect month or day names in input strings could truncate the input in the middle of a multi-byte character, leading to an improperly encoded error message that could cause follow-on failures. 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Ensure that the <> operator for type char reports indeterminate-collation errors as such, rather than as “cache lookup failed for collation 0” (Tom Lane) §
Avoid treating TID scans as sequential scans (Tatsuhito Kasahara) § §
\nA refactoring oversight caused TID scans (selection by CTID) to be counted as sequential scans in the statistics views, and to take whole-table predicate locks as sequential scans do. The latter behavior could cause unnecessary serialization errors in serializable transaction mode.
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A self-referential view can't work; it will always result in infinite recursion. We handled that situation correctly when trying to execute the view, but not when inquiring whether it is automatically updatable.
", "text": "Avoid stack overflow in information_schema views when a self-referential view exists in the system catalogs (Tom Lane) § A self-referential view can't work; it will always result in infinite recursion. 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Previously, the xact_start column would sometimes show the process start time.
Improve performance of hash joins with very large inner relations (Thomas Munro) §
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", "text": "Reduce spinlock contention when there are many active walsender processes (Pierre Ducroquet) §", "title": "Reduce spinlock contention when there are many active walsender processes", "commits": ["b89845267"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "23a56b0d1c2ec0fb7511350e1cb20021ffad81ea9fafb5a542f2c635fbe73e90", "section_path": ["Changes"], "commit_groups": [["b89845267", "e369f3708"]], "identity_text": "Reduce spinlock contention when there are many active walsender processes (Pierre Ducroquet)", "commit_aliases": ["b89845267", "e369f3708"], "source_commits": ["b89845267"], "source_entry_id": "12.2/changes/038", "db_id": "107ceefd54c12dbafb9368530c5edfaf", "patch_ids": ["40946d072c2625ac50705c3807010383"], "statement_hash": "0340b81e9c733ab560f455ac92d23bbbbad6ca2e07856bd2cf598c7ff1c8f906", "relations": [], "version": "12.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.2-1880ff83964f45c1", "cves": [], "html": "Fix placement of “Subplans Removed” field in EXPLAIN output (Daniel Gustafsson, Tom Lane) §
In non-text output formats, this field was emitted inside the “Plans” sub-group, resulting in syntactically invalid output. Attach it to the parent Append or MergeAppend plan node as intended. This causes the field to change position in text output format too: if there are any InitPlans attached to the same plan node, “Subplans Removed” will now appear before those.
", "text": "Fix placement of “Subplans Removed” field in EXPLAIN output (Daniel Gustafsson, Tom Lane) § In non-text output formats, this field was emitted inside the “Plans” sub-group, resulting in syntactically invalid output. Attach it to the parent Append or MergeAppend plan node as intended. This causes the field to change position in text output format too: if there are any InitPlans attached to the same plan node, “Subplans Removed” will now appear before those.", "title": "Fix placement of “Subplans Removed” field in EXPLAIN output", "commits": ["9a85860e1"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "b8388af342803be38b605d031d37fbc0e6005388cd2cb6364ba8348cb8077799", "section_path": ["Changes"], "commit_groups": [["7d91b604d", "842a23efa", "9a85860e1"]], "identity_text": "Fix placement of Subplans Removed field in EXPLAIN output (Daniel Gustafsson, Tom Lane) In non-text output formats, this field was emitted inside the Plans sub-group, resulting in syntactically invalid output. Attach it to the parent Append or MergeAppend plan node as intended. This causes the field to change position in text output format too: if there are any InitPlans attached to the same plan node, Subplans Removed will now appear before those.", "commit_aliases": ["7d91b604d", "842a23efa", "9a85860e1"], "source_commits": ["9a85860e1"], "source_entry_id": "12.2/changes/039", "db_id": "d7fe7d8f42ced7d0a415580180c7d395", "patch_ids": ["58061b8f985d096b982fa4ceb05c0ab6"], "statement_hash": "856f7d91f834ce928ceecd171551c51861617b17913bad4fb549339510a7917c", "relations": [{"rule": 2, "type": "equivalent", "target": "7cf06c475ec341605c50f158ab1a715f", "evidence": {"same_day": true, "patch_ids": ["58061b8f985d096b982fa4ceb05c0ab6"], "statement_hash": "856f7d91f834ce928ceecd171551c51861617b17913bad4fb549339510a7917c"}}], "version": "12.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7cf06c475ec341605c50f158ab1a715f", "kind": "equivalent", "version": "11.7", "label": "11.7", "title": "Fix placement of “Subplans Removed” field in EXPLAIN output", "evidence": {"same_day": true, "patch_ids": ["58061b8f985d096b982fa4ceb05c0ab6"], "statement_hash": "856f7d91f834ce928ceecd171551c51861617b17913bad4fb549339510a7917c"}, "url": "/docs/compare/?release=11.7#11.7-fb4126233c0f4e7c", "source_url": "/docs/release/11.7/#id-1.11.6.20.5"}]}, {"id": "12.2-45d6f1890109a373", "cves": [], "html": "Fix EXPLAIN's SETTINGS option to print as empty in non-text output formats (Tom Lane) §
In the non-text output formats, fields are supposed to appear when requested, even if they have empty or zero values.
", "text": "Fix EXPLAIN's SETTINGS option to print as empty in non-text output formats (Tom Lane) § In the non-text output formats, fields are supposed to appear when requested, even if they have empty or zero values.", "title": "Fix EXPLAIN's SETTINGS option to print as empty in non-text output formats", "commits": ["bad494380"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "6830151e76adc7e3b349c935f375dacf9c0b2c540867a982358d152e03a98482", "section_path": ["Changes"], "commit_groups": [["3ec20c709", "bad494380"]], "identity_text": "Fix EXPLAIN's SETTINGS option to print as empty in non-text output formats (Tom Lane) In the non-text output formats, fields are supposed to appear when requested, even if they have empty or zero values.", "commit_aliases": ["3ec20c709", "bad494380"], "source_commits": ["bad494380"], "source_entry_id": "12.2/changes/040", "db_id": "ec8b3776fa472010b43276a026cec729", "patch_ids": ["f7f365498773dc0192a65d6dee371716"], "statement_hash": "5694138ccc5963fedb644e77f6eb35933459d5338b69f19db1abf44dad55203c", "relations": [], "version": "12.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.2-f4fac18590db9602", "cves": ["CVE-2017-7484"], "html": "Allow the planner to apply potentially-leaky tests to child-table statistics, if the user can read the corresponding column of the table that's actually named in the query (Dilip Kumar, Amit Langote) §
\nThis change fixes a performance problem for partitioned tables that was created by the fix for CVE-2017-7484. That security fix disallowed applying leaky operators to statistics for columns that the current user doesn't have permission to read directly. However, it's somewhat common to grant permissions only on the parent partitioned table and not bother to do so on individual partitions. In such cases, the user can read the column via the parent, so there's no point in this security restriction; it only results in poorer planner estimates than necessary.
", "text": "Allow the planner to apply potentially-leaky tests to child-table statistics, if the user can read the corresponding column of the table that's actually named in the query (Dilip Kumar, Amit Langote) § This change fixes a performance problem for partitioned tables that was created by the fix for CVE-2017-7484. That security fix disallowed applying leaky operators to statistics for columns that the current user doesn't have permission to read directly. However, it's somewhat common to grant permissions only on the parent partitioned table and not bother to do so on individual partitions. In such cases, the user can read the column via the parent, so there's no point in this security restriction; it only results in poorer planner estimates than necessary.", "title": "Allow the planner to apply potentially-leaky tests to child-table statistics, if the user can read the corresponding column of the table that's actually named in the query", "commits": ["21a4edd12"], "section": "Changes", "category": "security", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "3922676f7d8a513e7ec23a65b09390e46badaac253f58329dcac80e89614e869", "section_path": ["Changes"], "commit_groups": [["1d9056f56", "21a4edd12", "553d2ec27"]], "identity_text": "Allow the planner to apply potentially-leaky tests to child-table statistics, if the user can read the corresponding column of the table that's actually named in the query (Dilip Kumar, Amit Langote) This change fixes a performance problem for partitioned tables that was created by the fix for CVE-2017-7484. That security fix disallowed applying leaky operators to statistics for columns that the current user doesn't have permission to read directly. However, it's somewhat common to grant permissions only on the parent partitioned table and not bother to do so on individual partitions. In such cases, the user can read the column via the parent, so there's no point in this security restriction; it only results in poorer planner estimates than necessary.", "commit_aliases": ["1d9056f56", "21a4edd12", "553d2ec27"], "source_commits": ["21a4edd12"], "source_entry_id": "12.2/changes/041", "db_id": "820f3a9747b516cee727dbff0c4ed14a", "patch_ids": ["72dcc06904ac46655bb87ff0354be463"], "statement_hash": "822c7fc5021c979a7f65bd9806d3e9c6b5971a1f5404a48d6b9b2c82a7d1e00c", "relations": [{"rule": 2, "type": "equivalent", "target": "a90b57abd6e848cb7abf46b553248794", "evidence": {"same_day": true, "patch_ids": ["72dcc06904ac46655bb87ff0354be463"], "statement_hash": "822c7fc5021c979a7f65bd9806d3e9c6b5971a1f5404a48d6b9b2c82a7d1e00c"}}], "version": "12.2", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "a90b57abd6e848cb7abf46b553248794", "kind": "equivalent", "version": "11.7", "label": "11.7", "title": "Allow the planner to apply potentially-leaky tests to child-table statistics, if the user can read the corresponding column of the table that's actually named in the query", "evidence": {"same_day": true, "patch_ids": ["72dcc06904ac46655bb87ff0354be463"], "statement_hash": "822c7fc5021c979a7f65bd9806d3e9c6b5971a1f5404a48d6b9b2c82a7d1e00c"}, "url": "/docs/compare/?release=11.7#11.7-c89489fc8ef0fdca", "source_url": "/docs/release/11.7/#id-1.11.6.20.5"}]}, {"id": "12.2-59dff0ed55d468e3", "cves": [], "html": "Fix planner errors induced by overly-aggressive collapsing of joins to single-row subqueries (Tom Lane) §
\nThis mistake led to errors such as “failed to construct the join relation”.
", "text": "Fix planner errors induced by overly-aggressive collapsing of joins to single-row subqueries (Tom Lane) § This mistake led to errors such as “failed to construct the join relation”.", "title": "Fix planner errors induced by overly-aggressive collapsing of joins to single-row subqueries", "commits": ["d04e2553d"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "9f513a458f33e776ee1cf625e2ec1e529279b72ae27a05df3c0fc84c977b90fd", "section_path": ["Changes"], "commit_groups": [["6ea364e7e", "d04e2553d"]], "identity_text": "Fix planner errors induced by overly-aggressive collapsing of joins to single-row subqueries (Tom Lane) This mistake led to errors such as failed to construct the join relation.", "commit_aliases": ["6ea364e7e", "d04e2553d"], "source_commits": ["d04e2553d"], "source_entry_id": "12.2/changes/042", "db_id": "288817ed5f5c073dc891686f8dbe32b7", "patch_ids": ["5f0a7845ceb19b3d310a77c168b4c04a"], "statement_hash": "70cc24d605f738c262fddc9afe3d86bff0f3f23cfc49d05c5674e29ca46fe9ca", "relations": [], "version": "12.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.2-e1624cfa751631d8", "cves": [], "html": "Fix “no = operator for opfamily NNNN” planner error when trying to match a LIKE or regex pattern-match operator to a binary-compatible index opclass (Tom Lane) §
Fix edge-case crashes and misestimations in selectivity calculations for the <@ and @> range operators (Michael Paquier, Andrey Borodin, Tom Lane) §
Fix incorrect estimation for OR clauses when using most-common-value extended statistics (Tomas Vondra) § §
Ignore system columns when applying most-common-value extended statistics (Tomas Vondra) §
\nThis prevents “negative bitmapset member not allowed” planner errors for affected queries.
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\nPreviously, if an “index adviser” extension tried to get the planner to produce a plan involving a hypothetical BRIN index, that would fail, because the BRIN cost estimation code would always try to physically access the index's metapage. Now it checks to see if the index is only hypothetical, and uses default assumptions about the index parameters if so.
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Prevent unwanted downcasing and truncation of RADIUS authentication parameters (Marcos David) §
\nThe pg_hba.conf parser mistakenly treated these fields as SQL identifiers, which in general they aren't.
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Due to an off-by-one error, these codes would print the wrong month name, or possibly crash.
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Cope with changes of the specific type referenced by a PL/pgSQL composite-type variable in more cases (Ashutosh Sharma, Tom Lane) §
\nDropping and re-creating the composite type referenced by a PL/pgSQL variable could lead to “could not open relation with OID NNNN” errors.
Avoid crash in postgres_fdw when trying to send a command like UPDATE remote_tab SET (x,y) = (SELECT ...) to the remote server (Tom Lane) §
In contrib/dict_int, reject maxlen settings less than one (Tomas Vondra) §
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This problem could lead to failure to set the SSL compression option as desired, when PostgreSQL is built against an old version of OpenSSL.
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This applies to idle_in_transaction_session_timeout, lock_timeout, statement_timeout, track_activities, track_counts, and track_functions.
Avoid memory leak in sanity checks for “slab” memory contexts (Tomas Vondra) §
\nThis isn't an issue for production builds, since they wouldn't ordinarily have memory context checking enabled; but the leak could be quite severe in a debug build.
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\nThe LWLock statistics code (which is not built by default; it requires compiling with -DLWLOCK_STATS) could report multiple entries for the same LWLock and backend process, as a result of faulty hashtable key creation.
Fix race condition that led to delayed delivery of interprocess signals on Windows (Amit Kapila) §
\nThis caused visible timing oddities in NOTIFY, and perhaps other misbehavior.
Fix handling of a corner-case error result from Windows' ReadFile() function (Thomas Munro, Juan José Santamaría Flecha) §
So far as is known, this oversight just resulted in noisy log messages, not any actual query misbehavior.
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This helps cope with cases where a file open attempt fails because the targeted file is flagged for deletion but not yet actually gone. pg_ctl, for example, frequently failed with such an error when probing to see if the postmaster had shut down yet.
", "text": "On Windows, retry a few times after an ERROR_ACCESS_DENIED file access failure (Alexander Lakhin, Tom Lane) § § This helps cope with cases where a file open attempt fails because the targeted file is flagged for deletion but not yet actually gone. pg_ctl, for example, frequently failed with such an error when probing to see if the postmaster had shut down yet.", "title": "On Windows, retry a few times after an ERROR_ACCESS_DENIED file access failure", "commits": ["90281a3a2", "95f43fee9"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/12.2/#id-1.11.6.26.5", "source_hash": "3af893dd7c5f079c4ea1a9bdb82ebee7bc293a8bf28884cf7703e04300c653fe", "section_path": ["Changes"], "commit_groups": [["2cf51809b", "65cb25e4f", "6d7547c21", "81b052c31", "95f43fee9", "cd0380351", "cfb2a4cce"], ["35b28d983", "5406513e9", "739201b0e", "90281a3a2", "a69f5697a", "b3c4e2418", "f1a4020ef"]], "identity_text": "On Windows, retry a few times after an 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A dump/restore is not required for those running 12.X.
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Fix lock handling in REINDEX CONCURRENTLY (Michael Paquier) § §
REINDEX CONCURRENTLY neglected to take a session-level lock on the new index version, potentially allowing other sessions to manipulate it too soon. Also, a query-cancel or session-termination interrupt arriving at the wrong time could result in failure to release the session-level locks that REINDEX CONCURRENTLY does hold.
Avoid crash due to race condition when reporting the progress of a CREATE INDEX CONCURRENTLY or REINDEX CONCURRENTLY command (Álvaro Herrera) §
Avoid creating duplicate dependency entries during REINDEX CONCURRENTLY (Michael Paquier) §
This bug resulted in bloat in pg_depend, but no worse consequences than that.
Prevent VACUUM from trying to freeze an old multixact ID involving a still-running transaction (Nathan Bossart, Jeremy Schneider) §
This case would lead to VACUUM failing until the old transaction terminates.
Fix “wrong type of slot” error when trying to CLUSTER on an expression index (Andres Freund) §
SET CONSTRAINTS ... DEFERRED failed on partitioned tables, incorrectly complaining about lack of triggers (Álvaro Herrera) §
Fix failure when creating indexes for a partition, if the parent partitioned table contains any dropped columns (Michael Paquier) §
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\nPreviously this might fail with an error message complaining about the dependencies of the indexes. It should automatically drop the indexes, instead.
", "text": "Fix dropping of indexed columns in partitioned tables (Amit Langote, Michael Paquier) § § Previously this might fail with an error message complaining about the dependencies of the indexes. It should automatically drop the indexes, instead.", "title": "Fix dropping of indexed columns in partitioned tables", "commits": ["3a58c5f14", "9fd9af97f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.1/#id-1.11.6.27.5", "source_hash": "539cf17308fafb27798378e7ae263079366847ab60fc9f7332df6dca8e2d35e2", "section_path": ["Changes"], "commit_groups": [["14ac4237c", "9fd9af97f"], ["1df5875d3", "3a58c5f14"]], "identity_text": "Fix dropping of indexed columns in partitioned tables (Amit Langote, Michael Paquier) Previously this might fail with an error message complaining about the dependencies of the indexes. It should automatically drop the indexes, instead.", "commit_aliases": ["14ac4237c", "1df5875d3", "3a58c5f14", "9fd9af97f"], "source_commits": ["3a58c5f14", "9fd9af97f"], "source_entry_id": "12.1/changes/009", "db_id": "cc17f8133f62291da23279a1dc405aa6", "patch_ids": ["d043a201d56b3a28a2a4dac285c154da", "ff6b5ebbd460c918c0896819b1f21291"], "statement_hash": "afcf3581f7b7e676712387c418fc287e5f65aeb80e49b3374fcabcb0aecea944", "relations": [], "version": "12.1", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.1-a6682d4feb3ffcad", "cves": [], "html": "Ensure that a partition index can be dropped after a failure to reindex it concurrently (Michael Paquier) §
\nThe index's pg_class.relispartition flag was left in the wrong state in such a case, causing DROP INDEX to fail.
Fix handling of equivalence class members for partition-wise joins (Amit Langote) §
\nThis oversight could lead either to failure to use a feasible partition-wise join plan, or to a “could not find pathkey item to sort” planner failure.
", "text": "Fix handling of equivalence class members for partition-wise joins (Amit Langote) § This oversight could lead either to failure to use a feasible partition-wise join plan, or to a “could not find pathkey item to sort” planner failure.", "title": "Fix handling of equivalence class members for partition-wise joins", "commits": ["a9db37a18"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.1/#id-1.11.6.27.5", "source_hash": "aa9ba613f9300cb1b108112e610fee1845db7a5b6e7fefc590d562b2beaa5880", "section_path": ["Changes"], "commit_groups": [["529ebb20a", "a9db37a18"]], "identity_text": "Fix handling of equivalence class members for partition-wise joins (Amit Langote) This oversight could lead either to failure to use a feasible partition-wise join plan, or to a could not find pathkey item to sort planner failure.", "commit_aliases": ["529ebb20a", "a9db37a18"], "source_commits": ["a9db37a18"], "source_entry_id": "12.1/changes/011", "db_id": "7f02e360a4f51896c422a97795c7a65f", "patch_ids": ["cbaaa6d2bd82ff913e0cbde3344c14f5"], "statement_hash": "ce7cc07655667abbf5e224a77829ac4ce54c8f4cd7b892c1fa75970a8d8aec5b", "relations": [], "version": "12.1", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.1-119d50d0f6cf35b0", "cves": [], "html": "Ensure that offset expressions in WINDOW clauses are processed when a query's expressions are manipulated (Andrew Gierth) §
This oversight could result in assorted failures when the offsets are nontrivial expressions. One example is that a function parameter reference in such an expression would fail if the function was inlined.
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\nDeclaring a column as part of the replica identity on the subscriber, when it does not exist at all on the publisher, led to “negative bitmapset member not allowed” errors.
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\nErroneous logic prevented wal_receiver_timeout from working in logical replication deployments.
Correctly time-stamp replication messages for logical decoding (Jeff Janes) §
\nThis oversight resulted, for example, in pg_stat_subscription.last_msg_send_time usually reading as NULL.
Fix race condition during backend exit, when the backend process has previously waited for synchronous replication to occur (Dongming Liu) §
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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": ["6c3b6406d", "860216efa"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.1/#id-1.11.6.27.5", "source_hash": "ffb0d7bac4505a6adae770162ce3de84cbf370e932f5c62dd1a4fa0642e69470", "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. 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. 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Fix result of text position() function (also known as strpos()) for an empty search string (Tom Lane) §
Historically, and per the SQL standard, the result should be one in such cases, but 12.0 returned zero.
", "text": "Fix result of text position() function (also known as strpos()) for an empty search string (Tom Lane) § Historically, and per the SQL standard, the result should be one in such cases, but 12.0 returned zero.", "title": "Fix result of text position() function (also known as strpos()) for an empty search string", "commits": ["43e43771b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/12.1/#id-1.11.6.27.5", "source_hash": "e58d4c9f14c314f4e25739e52a80a597501358630199663f4952730636fb0ffa", "section_path": ["Changes"], "commit_groups": [["43e43771b", "bd1ef5799"]], "identity_text": "Fix result of text position() function (also known as strpos()) for an empty search string (Tom Lane) Historically, and per the SQL standard, the result should be one in such cases, but 12.0 returned zero.", "commit_aliases": ["43e43771b", "bd1ef5799"], "source_commits": ["43e43771b"], "source_entry_id": "12.1/changes/031", "db_id": "2216e9d90394efe3dab7383cf53df4cb", "patch_ids": ["cb4c8273ea50bc5988ab9f4e221f3316"], "statement_hash": "1c6ccbc727eb03889251f43d2f67ee59b0620d4535c49627000215c7d7806336", "relations": [], "version": "12.1", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "12.1-0282ed12e06cabde", "cves": [], "html": "Fix detection of edge-case integer overflow in interval multiplication (Yuya Watari) §
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Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.\n\nThe PostgreSQL project thanks Coby Abrams for reporting this problem.", "affected_ranges": [{"from": "0", "until": "12.21"}, {"from": "13", "until": "13.17"}, {"from": "14", "until": "14.14"}, {"from": "15", "until": "15.9"}, {"from": "16", "until": "16.5"}, {"from": "17", "until": "17.1"}], "first_published": "2024-11-14", "fixed_version": "12.21", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2023-5869", "url": "https://www.postgresql.org/support/security/CVE-2023-5869/", "fixed": {"11": "11.22", "12": "12.17", "13": "13.13", "14": "14.10", "15": "15.5", "16": "16.1"}, "score": 8.8, "title": "Detect integer overflow while computing new array dimensions", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "affected": {"11": "11", "12": "12", "13": "13", "14": "14", "15": "15", "16": "16"}, "component": "core server", "published": {"11": "2023-11-09", "12": "2023-11-09", "13": "2023-11-09", "14": "2023-11-09", "15": "2023-11-09", "16": "2023-11-09"}, "introduced": {}, "cvss_version": "3.0", "description_en": "While modifying certain SQL array values, missing overflow checks let authenticated database users write arbitrary bytes to a memory area that facilitates arbitrary code execution. Missing overflow checks also let authenticated database users read a wide area of server memory. The CVE-2021-32027 fix covered some attacks of this description, but it missed others.\n\nThe PostgreSQL project thanks Pedro Gallegos for reporting this problem.", "first_published": "2023-11-09", "fixed_version": "12.17", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2022-1552", "url": "https://www.postgresql.org/support/security/CVE-2022-1552/", "fixed": {"10": "10.21", "11": "11.16", "12": "12.11", "13": "13.7", "14": "14.3"}, "score": 8.8, "title": "Confine additional operations within “security restricted operation” sandboxes", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "14": "14"}, "component": "core server", "published": {"10": "2022-05-12", "11": "2022-05-12", "12": "2022-05-12", "13": "2022-05-12", "14": "2022-05-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Autovacuum, REINDEX , CREATE INDEX , REFRESH MATERIALIZED VIEW , CLUSTER , and pg_amcheck made incomplete efforts to operate safely when a privileged user is maintaining another user's objects. Those commands activated relevant protections too late or not at all. An attacker having permission to create non-temp objects in at least one schema could execute arbitrary SQL functions under a superuser identity.\n\nWhile promptly updating PostgreSQL is the best remediation for most users, a user unable to do that can work around the vulnerability by disabling autovacuum, not manually running the above commands, and not restoring from output of the pg_dump command. Performance may degrade quickly under this workaround. VACUUM is safe, and all commands are fine when a trusted user owns the target object.\n\nThe PostgreSQL project thanks Alexander Lakhin for reporting this problem.", "first_published": "2022-05-12", "fixed_version": "12.11", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2020-25695", "url": "https://www.postgresql.org/support/security/CVE-2020-25695/", "fixed": {"10": "10.15", "11": "11.10", "12": "12.5", "13": "13.1", "9.5": "9.5.24", "9.6": "9.6.20"}, "score": 8.8, "title": "Block DECLARE CURSOR ... WITH HOLD and firing of deferred triggers within index expressions and materialized view queries", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.5": "9.5", "9.6": "9.6"}, "component": "core server", "published": {"10": "2020-11-12", "11": "2020-11-12", "12": "2020-11-12", "13": "2020-11-12", "9.5": "2020-11-12", "9.6": "2020-11-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "An attacker having permission to create non-temporary objects in at least one schema can execute arbitrary SQL functions under the identity of a superuser.\n\nWhile promptly updating PostgreSQL is the best remediation for most users, a user unable to do that can work around the vulnerability by disabling autovacuum and not manually running ANALYZE , CLUSTER , REINDEX , CREATE INDEX , VACUUM FULL , REFRESH MATERIALIZED VIEW , or a restore from output of the pg_dump command. Performance may degrade quickly under this workaround.\n\nVACUUM without the FULL option is safe, and all commands are fine when a trusted user owns the target object.\n\nThe PostgreSQL project thanks Etienne Stalmans for reporting this problem.", "first_published": "2020-11-12", "fixed_version": "12.5", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2019-3466", "url": "https://www.postgresql.org/support/security/CVE-2019-3466/", "fixed": {"10": "10.11", "11": "11.6", "12": "12.1", "9.4": "9.4.25", "9.5": "9.5.20", "9.6": "9.6.16"}, "score": 8.4, "title": "pg_ctlcluster script in postgresql-common does not drop privileges when creating socket/statistics temporary directories", "vector": "AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "9.4": "9.4", "9.5": "9.5", "9.6": "9.6"}, "component": "packaging", "published": {"10": "2019-12-04", "11": "2019-12-04", "12": "2019-12-04", "9.4": "2019-12-04", "9.5": "2019-12-04", "9.6": "2019-12-04"}, "introduced": {}, "cvss_version": "3.0", "description_en": "A PostgreSQL superuser could escalate to root using a deficiency in the pg_ctlcluster command. pg_ctlcluster is a utility provided by the \"postgresql-common\" package that is installed with PostgreSQL on Debian and Ubuntu platforms.", "first_published": "2019-12-04", "fixed_version": "12.1", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2021-23214", "url": "https://www.postgresql.org/support/security/CVE-2021-23214/", "fixed": {"10": "10.19", "11": "11.14", "12": "12.9", "13": "13.5", "14": "14.1", "9.6": "9.6.24"}, "score": 8.1, "title": "Make the server reject extraneous data after an SSL or GSS encryption handshake", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "14": "14", "9.6": "9.6"}, "component": "core server", "published": {"10": "2021-11-11", "11": "2021-11-11", "12": "2021-11-11", "13": "2021-11-11", "14": "2021-11-11", "9.6": "2021-11-11"}, "introduced": {}, "cvss_version": "3.0", "description_en": "When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption. This is similar to CVE-2011-0411 (different product).\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "first_published": "2021-11-11", "fixed_version": "12.9", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2020-25694", "url": "https://www.postgresql.org/support/security/CVE-2020-25694/", "fixed": {"10": "10.15", "11": "11.10", "12": "12.5", "13": "13.1", "9.5": "9.5.24", "9.6": "9.6.20"}, "score": 8.1, "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.5": "9.5", "9.6": "9.6"}, "component": "client", "published": {"10": "2020-11-12", "11": "2020-11-12", "12": "2020-11-12", "13": "2020-11-12", "9.5": "2020-11-12", "9.6": "2020-11-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Many PostgreSQL-provided client applications have options that create additional database connections. Some of those applications reuse only the basic connection parameters (e.g. host , user , port ), dropping others. If this drops a security-relevant parameter (e.g. channel_binding , sslmode , requirepeer , gssencmode ), the attacker has an opportunity to complete a MITM attack or observe cleartext transmission.\n\nAffected applications are clusterdb , pg_dump , pg_restore , psql , reindexdb , and vacuumdb . The vulnerability arises only if one invokes an affected client application with a connection string containing a security-relevant parameter.\n\nThis also fixes how the \\connect command of psql reuses connection parameters, i.e. all non-overridden parameters from a previous connection string now re-used.\n\nThe PostgreSQL project thanks Peter Eisentraut for reporting this problem.", "first_published": "2020-11-12", "fixed_version": "12.5", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2024-0985", "url": "https://www.postgresql.org/support/security/CVE-2024-0985/", "fixed": {"12": "12.18", "13": "13.14", "14": "14.11", "15": "15.6", "16": "16.2"}, "score": 8.0, "title": "Tighten security restrictions within REFRESH MATERIALIZED VIEW CONCURRENTLY", "vector": "AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2024-0985", "affected": {"12": "12", "13": "13", "14": "14", "15": "15", "16": "16"}, "component": "core server", "published": {"12": "2024-02-08", "13": "2024-02-08", "14": "2024-02-08", "15": "2024-02-08", "16": "2024-02-08"}, "introduced": {}, "cvss_version": "3.0", "description_en": "UPDATE (June 19, 2024) : Added v16 as impacted. Updated description to clarify the attack vector.\n\nLate privilege drop in REFRESH MATERIALIZED VIEW CONCURRENTLY in PostgreSQL allows an object creator to execute arbitrary SQL functions as the command issuer. The command intends to run SQL functions as the owner of the materialized view, enabling safe refresh of untrusted materialized views. The victim is a superuser or member of one of the attacker's roles. The attack requires luring the victim into running REFRESH MATERIALIZED VIEW CONCURRENTLY on the attacker's materialized view.", "affected_ranges": [{"from": "0", "until": "12.18"}, {"from": "13", "until": "13.14"}, {"from": "14", "until": "14.11"}, {"from": "15", "until": "15.6"}, {"from": "16", "until": "16.2"}], "first_published": "2024-02-08", "fixed_version": "12.18", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2023-39417", "url": "https://www.postgresql.org/support/security/CVE-2023-39417/", "fixed": {"11": "11.21", "12": "12.16", "13": "13.12", "14": "14.9", "15": "15.4"}, "score": 7.5, "title": "Disallow substituting a schema or owner name into an extension script if the name contains a quote, backslash, or dollar sign", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "affected": {"11": "11", "12": "12", "13": "13", "14": "14", "15": "15"}, "component": "core server", "published": {"11": "2023-08-10", "12": "2023-08-10", "13": "2023-08-10", "14": "2023-08-10", "15": "2023-08-10"}, "introduced": {}, "cvss_version": "3.0", "description_en": "An extension script is vulnerable if it uses @extowner@ , @extschema@ , or @extschema:...@ inside a quoting construct (dollar quoting, '' , or \"\" ). No bundled extension is vulnerable. Vulnerable uses do appear in a documentation example and in non-bundled extensions. Hence, the attack prerequisite is an administrator having installed files of a vulnerable, trusted, non-bundled extension. Subject to that prerequisite, this enables an attacker having database-level CREATE privilege to execute arbitrary code as the bootstrap superuser. PostgreSQL will block this attack in the core server, so there's no need to modify individual extensions.\n\nThe PostgreSQL project thanks Micah Gates, Valerie Woolard, Tim Carey-Smith, and Christoph Berg for reporting this problem.", "first_published": "2023-08-10", "fixed_version": "12.16", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2020-25696", "url": "https://www.postgresql.org/support/security/CVE-2020-25696/", "fixed": {"10": "10.15", "11": "11.10", "12": "12.5", "13": "13.1", "9.5": "9.5.24", "9.6": "9.6.20"}, "score": 7.5, "title": "Prevent psql's \\gset command from modifying specially-treated variables", "vector": "AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.5": "9.5", "9.6": "9.6"}, "component": "client", "published": {"10": "2020-11-12", "11": "2020-11-12", "12": "2020-11-12", "13": "2020-11-12", "9.5": "2020-11-12", "9.6": "2020-11-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "The \\gset meta-command, which sets psql variables based on query results, does not distinguish variables that control psql behavior. If an interactive psql session uses \\gset when querying a compromised server, the attacker can execute arbitrary code as the operating system account running psql . Using \\gset with a prefix not found among specially treated variables, e.g. any lowercase string, precludes the attack in an unpatched psql .\n\nThe PostgreSQL project thanks Nick Cleaton for reporting this problem.", "first_published": "2020-11-12", "fixed_version": "12.5", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2020-14349", "url": "https://www.postgresql.org/support/security/CVE-2020-14349/", "fixed": {"10": "10.14", "11": "11.9", "12": "12.4"}, "score": 7.5, "title": "Set a secure search_path in logical replication walsenders and apply workers", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12"}, "component": "core server", "published": {"10": "2020-08-13", "11": "2020-08-13", "12": "2020-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "The PostgreSQL search_path setting determines schemas searched for tables, functions, operators, etc. The CVE-2018-1058 fix caused most PostgreSQL-provided client applications to sanitize search_path , but logical replication continued to leave search_path unchanged. Users of a replication publisher or subscriber database can create objects in the public schema and harness them to execute arbitrary SQL functions under the identity running replication, often a superuser. Installations having adopted a documented secure schema usage pattern are not vulnerable.\n\nThe PostgreSQL project thanks Noah Misch for reporting this problem.", "first_published": "2020-08-13", "fixed_version": "12.4", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2023-2454", "url": "https://www.postgresql.org/support/security/CVE-2023-2454/", "fixed": {"11": "11.20", "12": "12.15", "13": "13.11", "14": "14.8", "15": "15.3"}, "score": 7.2, "title": "Prevent CREATE SCHEMA from defeating changes in search_path", "vector": "AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "affected": {"11": "11", "12": "12", "13": "13", "14": "14", "15": "15"}, "component": "core server", "published": {"11": "2023-05-11", "12": "2023-05-11", "13": "2023-05-11", "14": "2023-05-11", "15": "2023-05-11"}, "introduced": {}, "cvss_version": "3.0", "description_en": "This enabled an attacker having database-level CREATE privilege to execute arbitrary code as the bootstrap superuser. Database owners have that right by default, and explicit grants may extend it to other users.\n\nThe PostgreSQL project thanks Alexander Lakhin for reporting this problem.", "first_published": "2023-05-11", "fixed_version": "12.15", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2022-2625", "url": "https://www.postgresql.org/support/security/CVE-2022-2625/", "fixed": {"10": "10.22", "11": "11.17", "12": "12.12", "13": "13.8", "14": "14.5"}, "score": 7.1, "title": "Do not let extension scripts replace objects not already belonging to the extension", "vector": "AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "14": "14"}, "component": "core server", "published": {"10": "2022-08-11", "11": "2022-08-11", "12": "2022-08-11", "13": "2022-08-11", "14": "2022-08-11"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Some extensions use CREATE OR REPLACE or CREATE IF NOT EXISTS commands. Some don't adhere to the documented rule to target only objects known to be extension members already. An attack requires permission to create non-temporary objects in at least one schema, ability to lure or wait for an administrator to create or update an affected extension in that schema, and ability to lure or wait for a victim to use the object targeted in CREATE OR REPLACE or CREATE IF NOT EXISTS . Given all three prerequisites, the attacker can run arbitrary code as the victim role, which may be a superuser. Known-affected extensions include both PostgreSQL-bundled and non-bundled extensions. PostgreSQL is blocking this attack in the core server, so there's no need to modify individual extensions.\n\nThe PostgreSQL project thanks Sven Klemm for reporting this problem.", "first_published": "2022-08-11", "fixed_version": "12.12", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2020-14350", "url": "https://www.postgresql.org/support/security/CVE-2020-14350/", "fixed": {"10": "10.14", "11": "11.9", "12": "12.4", "9.5": "9.5.23", "9.6": "9.6.19"}, "score": 7.1, "title": "Make contrib modules' installation scripts more secure", "vector": "AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "9.5": "9.5", "9.6": "9.6"}, "component": "core server", "published": {"10": "2020-08-13", "11": "2020-08-13", "12": "2020-08-13", "9.5": "2020-08-13", "9.6": "2020-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "When a superuser runs certain CREATE EXTENSION statements, users may be able to execute arbitrary SQL functions under the identity of that superuser. The attacker must have permission to create objects in the new extension's schema or a schema of a prerequisite extension. Not all extensions are vulnerable.\n\nIn addition to correcting the extensions provided with PostgreSQL, the PostgreSQL Global Development Group is issuing guidance for third-party extension authors to secure their own work.\n\nThe PostgreSQL project thanks Andres Freund for reporting this problem.", "first_published": "2020-08-13", "fixed_version": "12.4", "severity": "High", "status_label": "Fixed in target"}, {"id": "CVE-2020-10733", "url": "https://www.postgresql.org/support/security/CVE-2020-10733/", "fixed": {"10": "10.13", "11": "11.8", "12": "12.3", "9.5": "9.5.22", "9.6": "9.6.18"}, "score": 6.7, "title": "Windows installer runs executables from uncontrolled directories", "vector": "AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "9.5": "9.5", "9.6": "9.6"}, "component": "packaging", "published": {"10": "2020-05-14", "11": "2020-05-14", "12": "2020-05-14", "9.5": "2020-05-14", "9.6": "2020-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "The Windows installer for PostgreSQL invokes system-provided executables that do not have fully-qualified paths. Executables in the directory where the installer loads or the current working directory take precedence over the intended executables. An attacker having permission to add files into one of those directories can use this to execute arbitrary code with the installer's administrative rights.\n\nThe PostgreSQL project thanks Hou JingYi (@hjy79425575) for reporting this problem.", "first_published": "2020-05-14", "fixed_version": "12.3", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2021-3677", "url": "https://www.postgresql.org/support/security/CVE-2021-3677/", "fixed": {"11": "11.13", "12": "12.8", "13": "13.4"}, "score": 6.5, "title": "Fix mis-planning of repeated application of a projection step", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "affected": {"11": "11", "12": "12", "13": "13"}, "component": "core server", "published": {"11": "2021-08-12", "12": "2021-08-12", "13": "2021-08-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0 , the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting.", "first_published": "2021-08-12", "fixed_version": "12.8", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2021-32029", "url": "https://www.postgresql.org/support/security/CVE-2021-32029/", "fixed": {"11": "11.12", "12": "12.7", "13": "13.3"}, "score": 6.5, "title": "Fix possibly-incorrect computation of UPDATE ... RETURNING outputs for joined cross-partition updates", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "affected": {"11": "11", "12": "12", "13": "13"}, "component": "core server", "published": {"11": "2021-05-13", "12": "2021-05-13", "13": "2021-05-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Using an UPDATE ... RETURNING on a purpose-crafted partitioned table, an attacker can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will. A user lacking the CREATE and TEMPORARY privileges on all databases and the CREATE privilege on all schemas typically cannot use this attack at will.\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "first_published": "2021-05-13", "fixed_version": "12.7", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2021-32028", "url": "https://www.postgresql.org/support/security/CVE-2021-32028/", "fixed": {"10": "10.17", "11": "11.12", "12": "12.7", "13": "13.3", "9.6": "9.6.22"}, "score": 6.5, "title": "Fix mishandling of “junk” columns in INSERT ... ON CONFLICT ... UPDATE target lists", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.6": "9.6"}, "component": "core server", "published": {"10": "2021-05-13", "11": "2021-05-13", "12": "2021-05-13", "13": "2021-05-13", "9.6": "2021-05-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an attacker can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will. A user lacking the CREATE and TEMPORARY privileges on all databases and the CREATE privilege on all schemas cannot use this attack at will.\n\nThe PostgreSQL project thanks Andres Freund for reporting this problem.", "first_published": "2021-05-13", "fixed_version": "12.7", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2021-32027", "url": "https://www.postgresql.org/support/security/CVE-2021-32027/", "fixed": {"10": "10.17", "11": "11.12", "12": "12.7", "13": "13.3", "9.6": "9.6.22"}, "score": 6.5, "title": "Prevent integer overflows in array subscripting calculations", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.6": "9.6"}, "component": "core server", "published": {"10": "2021-05-13", "11": "2021-05-13", "12": "2021-05-13", "13": "2021-05-13", "9.6": "2021-05-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory.\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "first_published": "2021-05-13", "fixed_version": "12.7", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2023-5868", "url": "https://www.postgresql.org/support/security/CVE-2023-5868/", "fixed": {"11": "11.22", "12": "12.17", "13": "13.13", "14": "14.10", "15": "15.5", "16": "16.1"}, "score": 4.3, "title": "Fix handling of unknown-type arguments in DISTINCT \"any\" aggregate functions", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "affected": {"11": "11", "12": "12", "13": "13", "14": "14", "15": "15", "16": "16"}, "component": "core server", "published": {"11": "2023-11-09", "12": "2023-11-09", "13": "2023-11-09", "14": "2023-11-09", "15": "2023-11-09", "16": "2023-11-09"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Certain aggregate function calls receiving \"unknown\"-type arguments could disclose bytes of server memory from the end of the \"unknown\"-type value to the next zero byte. One typically gets an \"unknown\"-type value via a string literal having no type designation. We have not confirmed or ruled out viability of attacks that arrange for presence of notable, confidential information in disclosed bytes.\n\nThe PostgreSQL project thanks Jingzhou Fu for reporting this problem.", "first_published": "2023-11-09", "fixed_version": "12.17", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2024-10978", "url": "https://www.postgresql.org/support/security/CVE-2024-10978/", "fixed": {"12": "12.21", "13": "13.17", "14": "14.14", "15": "15.9", "16": "16.5", "17": "17.1"}, "score": 4.2, "title": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2024-10978", "affected": {"12": "12", "13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"12": "2024-11-14", "13": "2024-11-14", "14": "2024-11-14", "15": "2024-11-14", "16": "2024-11-14", "17": "2024-11-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Incorrect privilege assignment in PostgreSQL allows a less-privileged application user to view or change different rows from those intended. An attack requires the application to use SET ROLE , SET SESSION AUTHORIZATION , or an equivalent feature. The problem arises when an application query uses parameters from the attacker or conveys query results to the attacker. If that query reacts to current_setting('role') or the current user ID, it may modify or return data as though the session had not used SET ROLE or SET SESSION AUTHORIZATION . The attacker does not control which incorrect user ID applies. Query text from less-privileged sources is not a concern here, because SET ROLE and SET SESSION AUTHORIZATION are not sandboxes for unvetted queries. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "affected_ranges": [{"from": "0", "until": "12.21"}, {"from": "13", "until": "13.17"}, {"from": "14", "until": "14.14"}, {"from": "15", "until": "15.9"}, {"from": "16", "until": "16.5"}, {"from": "17", "until": "17.1"}], "first_published": "2024-11-14", "fixed_version": "12.21", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2024-10976", "url": "https://www.postgresql.org/support/security/CVE-2024-10976/", "fixed": {"12": "12.21", "13": "13.17", "14": "14.14", "15": "15.9", "16": "16.5", "17": "17.1"}, "score": 4.2, "title": "Ensure cached plans are marked as dependent on the calling role when RLS applies to a non-top-level table reference", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2024-10976", "affected": {"12": "12", "13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"12": "2024-11-14", "13": "2024-11-14", "14": "2024-11-14", "15": "2024-11-14", "16": "2024-11-14", "17": "2024-11-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Incomplete tracking in PostgreSQL of tables with row security allows a reused query to view or change different rows from those intended. CVE-2023-2455 and CVE-2016-2193 fixed most interaction between row security and user ID changes. They missed cases where a subquery, WITH query, security invoker view, or SQL-language function references a table with a row-level security policy. This has the same consequences as the two earlier CVEs. That is to say, it leads to potentially incorrect policies being applied in cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLEs.\n\nApplying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy. An attacker must tailor an attack to a particular application's pattern of query plan reuse, user ID changes, and role-specific row security policies. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.", "affected_ranges": [{"from": "0", "until": "12.21"}, {"from": "13", "until": "13.17"}, {"from": "14", "until": "14.14"}, {"from": "15", "until": "15.9"}, {"from": "16", "until": "16.5"}, {"from": "17", "until": "17.1"}], "first_published": "2024-11-14", "fixed_version": "12.21", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2023-2455", "url": "https://www.postgresql.org/support/security/CVE-2023-2455/", "fixed": {"11": "11.20", "12": "12.15", "13": "13.11", "14": "14.8", "15": "15.3"}, "score": 4.2, "title": "Enforce row-level security policies correctly after inlining a set-returning function", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "affected": {"11": "11", "12": "12", "13": "13", "14": "14", "15": "15"}, "component": "core server", "published": {"11": "2023-05-11", "12": "2023-05-11", "13": "2023-05-11", "14": "2023-05-11", "15": "2023-05-11"}, "introduced": {}, "cvss_version": "3.0", "description_en": "While CVE-2016-2193 fixed most interaction between row security and user ID changes, it missed a scenario involving function inlining. This leads to potentially incorrect policies being applied in cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLE s. Applying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy.\n\nThe PostgreSQL project thanks Wolfgang Walther for reporting this problem.", "first_published": "2023-05-11", "fixed_version": "12.15", "severity": "Medium", "status_label": "Fixed in target"}, {"id": "CVE-2022-41862", "url": "https://www.postgresql.org/support/security/CVE-2022-41862/", "fixed": {"12": "12.14", "13": "13.10", "14": "14.7", "15": "15.2"}, "score": 3.7, "title": "libpq can leak memory contents after GSSAPI transport encryption initiation fails", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "affected": {"12": "12", "13": "13", "14": "14", "15": "15"}, "component": "client", "published": {"12": "2023-02-09", "13": "2023-02-09", "14": "2023-02-09", "15": "2023-02-09"}, "introduced": {}, "cvss_version": "3.0", "description_en": "A modified, unauthenticated server can send an unterminated string during the establishment of Kerberos transport encryption. When a libpq client application has a Kerberos credential cache and doesn't explicitly disable option gssencmode , a server can cause libpq to over-read and report an error message containing uninitialized bytes from and following its receive buffer. If libpq's caller somehow makes that message accessible to the attacker, this achieves a disclosure of the over-read bytes. We have not confirmed or ruled out viability of attacks that arrange for a crash or for presence of notable, confidential information in disclosed bytes.\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "first_published": "2023-02-09", "fixed_version": "12.14", "severity": "Low", "status_label": "Fixed in target"}, {"id": "CVE-2021-23222", "url": "https://www.postgresql.org/support/security/CVE-2021-23222/", "fixed": {"10": "10.19", "11": "11.14", "12": "12.9", "13": "13.5", "14": "14.1", "9.6": "9.6.24"}, "score": 3.7, "title": "Make libpq reject extraneous data after an SSL or GSS encryption handshake", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "14": "14", "9.6": "9.6"}, "component": "client", "published": {"10": "2021-11-11", "11": "2021-11-11", "12": "2021-11-11", "13": "2021-11-11", "14": "2021-11-11", "9.6": "2021-11-11"}, "introduced": {}, "cvss_version": "3.0", "description_en": "A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.\n\nIf more preconditions hold, the attacker can exfiltrate the client's password or other confidential data that might be transmitted early in a session. The attacker must have a way to trick the client's intended server into making the confidential data accessible to the attacker. A known implementation having that property is a PostgreSQL configuration vulnerable to CVE-2021-23214 . As with any exploitation of CVE-2021-23214 , the server must be using trust authentication with a clientcert requirement or using cert authentication. To disclose a password, the client must be in possession of a password, which is atypical when using an authentication configuration vulnerable to CVE-2021-23214 . The attacker must have some other way to access the server to retrieve the exfiltrated data (a valid, unprivileged login account would be sufficient).\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "first_published": "2021-11-11", "fixed_version": "12.9", "severity": "Low", "status_label": "Fixed in target"}, {"id": "CVE-2024-10977", "url": "https://www.postgresql.org/support/security/CVE-2024-10977/", "fixed": {"12": "12.21", "13": "13.17", "14": "14.14", "15": "15.9", "16": "16.5", "17": "17.1"}, "score": 3.1, "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "vector": "AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2024-10977", "affected": {"12": "12", "13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "client", "published": {"12": "2024-11-14", "13": "2024-11-14", "14": "2024-11-14", "15": "2024-11-14", "16": "2024-11-14", "17": "2024-11-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Client use of server error message in PostgreSQL allows a server not trusted under current SSL or GSS settings to furnish arbitrary non-NUL bytes to the libpq application. For example, a man-in-the-middle attacker could send a long error message that a human or screen-scraper user of psql mistakes for valid query results. This is probably not a concern for clients where the user interface unambiguously indicates the boundary between one error message and other text. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "affected_ranges": [{"from": "0", "until": "12.21"}, {"from": "13", "until": "13.17"}, {"from": "14", "until": "14.14"}, {"from": "15", "until": "15.9"}, {"from": "16", "until": "16.5"}, {"from": "17", "until": "17.1"}], "first_published": "2024-11-14", "fixed_version": "12.21", "severity": "Low", "status_label": "Fixed in target"}, {"id": "CVE-2021-3393", "url": "https://www.postgresql.org/support/security/CVE-2021-3393/", "fixed": {"11": "11.11", "12": "12.6", "13": "13.2"}, "score": 3.1, "title": "Fix information leakage in constraint-violation error messages", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "affected": {"11": "11", "12": "12", "13": "13"}, "component": "core server", "published": {"11": "2021-02-11", "12": "2021-02-11", "13": "2021-02-11"}, "introduced": {}, "cvss_version": "3.0", "description_en": "A user having an UPDATE privilege on a partitioned table but lacking the SELECT privilege on some column may be able to acquire denied-column values from an error message. This is similar to CVE-2014-8161 , but the conditions to exploit are more rare.\n\nThe PostgreSQL project thanks Heikki Linnakangas for reporting this problem.", "first_published": "2021-02-11", "fixed_version": "12.6", "severity": "Low", "status_label": "Fixed in target"}, {"id": "CVE-2020-1720", "url": "https://www.postgresql.org/support/security/CVE-2020-1720/", "fixed": {"10": "10.12", "11": "11.7", "12": "12.2", "9.6": "9.6.17"}, "score": 3.1, "title": "Add missing permissions checks for ALTER ... DEPENDS ON EXTENSION", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N", "affected": {"10": "10", "11": "11", "12": "12", "9.6": "9.6"}, "component": "core server", "published": {"10": "2020-02-13", "11": "2020-02-13", "12": "2020-02-13", "9.6": "2020-02-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "The ALTER ... DEPENDS ON EXTENSION sub-commands do not perform authorization checks, which can allow an unprivileged user to drop any function, procedure, materialized view, index, or trigger under certain conditions. This attack is possible if an administrator has installed an extension and an unprivileged user can CREATE , or an extension owner either executes DROP EXTENSION predictably or can be convinced to execute DROP EXTENSION .\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "first_published": "2020-02-13", "fixed_version": "12.2", "severity": "Low", "status_label": "Fixed in target"}, {"id": "CVE-2023-5870", "url": "https://www.postgresql.org/support/security/CVE-2023-5870/", "fixed": {"11": "11.22", "12": "12.17", "13": "13.13", "14": "14.10", "15": "15.5", "16": "16.1"}, "score": 2.2, "title": "Prevent the pg_signal_backend role from signalling background workers and autovacuum processes", "vector": "AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "affected": {"11": "11", "12": "12", "13": "13", "14": "14", "15": "15", "16": "16"}, "component": "core server", "published": {"11": "2023-11-09", "12": "2023-11-09", "13": "2023-11-09", "14": "2023-11-09", "15": "2023-11-09", "16": "2023-11-09"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Documentation says the pg_signal_backend role cannot signal \"a backend owned by a superuser\". On the contrary, it can signal background workers, including the logical replication launcher. It can signal autovacuum workers and the autovacuum launcher. Signaling autovacuum workers and those two launchers provides no meaningful exploit, so exploiting this vulnerability requires a non-core extension with a less-resilient background worker. For example, a non-core background worker that does not auto-restart would experience a denial of service with respect to that particular background worker.\n\nThe PostgreSQL project thanks Hemanth Sandrana and Mahendrakar Srinivasarao for reporting this problem.", "first_published": "2023-11-09", "fixed_version": "12.17", "severity": "Low", "status_label": "Fixed in target"}], "cve_available": true, "security_regressions": [], "remaining_cves": [{"id": "CVE-2026-6637", "url": "https://www.postgresql.org/support/security/CVE-2026-6637/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 8.8, "title": "PostgreSQL refint allows stack buffer overflow and SQL injection", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6637", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Stack buffer overflow in PostgreSQL module \"refint\" allows an unprivileged database user to execute arbitrary code as the operating system user running the database. A distinct attack is possible if the application declares a user-controlled column as a \"refint\" cascade primary key and facilitates user-controlled updates to that column. In that case, a SQL injection allows a primary key update value provider to execute arbitrary SQL as the database user performing the primary key update. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6477", "url": "https://www.postgresql.org/support/security/CVE-2026-6477/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 8.8, "title": "PostgreSQL libpq lo_* functions let server superuser overwrite client stack memory", "vector": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6477", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "client", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Use of inherently dangerous function PQfn(..., result_is_int=0, ...) in PostgreSQL libpq lo_export(), lo_read(), lo_lseek64(), and lo_tell64() functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets(), PQfn(..., result_is_int=0, ...) stores arbitrary-length, server-determined data into a buffer of unspecified size. Because both the \\lo_export command in psql and pg_dump call lo_read(), the server superuser can overwrite pg_dump or psql stack memory. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6475", "url": "https://www.postgresql.org/support/security/CVE-2026-6475/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 8.8, "title": "PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser choice", "vector": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6475", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "client", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Symlink following in PostgreSQL pg_basebackup plain format and in pg_rewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It will remain the case that starting the server after these commands implicitly trusts the origin superuser, due to features like shared_preload_libraries. Hence, the attack has practical implications only if one takes relevant action between these commands and server start, like moving the files to a different VM or snapshotting the VM. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6473", "url": "https://www.postgresql.org/support/security/CVE-2026-6473/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 8.8, "title": "PostgreSQL server undersizes allocations, via integer wraparound", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6473", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-2006", "url": "https://www.postgresql.org/support/security/CVE-2026-2006/", "fixed": {"14": "14.21", "15": "15.16", "16": "16.12", "17": "17.8", "18": "18.2"}, "score": 8.8, "title": "PostgreSQL missing validation of multibyte character length executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-2006", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-02-12", "15": "2026-02-12", "16": "2026-02-12", "17": "2026-02-12", "18": "2026-02-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.", "affected_ranges": [{"from": "0", "until": "14.21"}, {"from": "15", "until": "15.16"}, {"from": "16", "until": "16.12"}, {"from": "17", "until": "17.8"}, {"from": "18", "until": "18.2"}], "first_published": "2026-02-12", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-2005", "url": "https://www.postgresql.org/support/security/CVE-2026-2005/", "fixed": {"14": "14.21", "15": "15.16", "16": "16.12", "17": "17.8", "18": "18.2"}, "score": 8.8, "title": "PostgreSQL pgcrypto heap buffer overflow executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-2005", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-02-12", "15": "2026-02-12", "16": "2026-02-12", "17": "2026-02-12", "18": "2026-02-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.", "affected_ranges": [{"from": "0", "until": "14.21"}, {"from": "15", "until": "15.16"}, {"from": "16", "until": "16.12"}, {"from": "17", "until": "17.8"}, {"from": "18", "until": "18.2"}], "first_published": "2026-02-12", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-2004", "url": "https://www.postgresql.org/support/security/CVE-2026-2004/", "fixed": {"14": "14.21", "15": "15.16", "16": "16.12", "17": "17.8", "18": "18.2"}, "score": 8.8, "title": "PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-2004", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-02-12", "15": "2026-02-12", "16": "2026-02-12", "17": "2026-02-12", "18": "2026-02-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.", "affected_ranges": [{"from": "0", "until": "14.21"}, {"from": "15", "until": "15.16"}, {"from": "16", "until": "16.12"}, {"from": "17", "until": "17.8"}, {"from": "18", "until": "18.2"}], "first_published": "2026-02-12", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-19385", "url": "https://www.postgresql.org/support/security/CVE-2026-19385/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL pg_dump heap buffer overflow executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-19385", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "client", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Heap buffer overflow in PostgreSQL pg_dump of long function transform lists allows an object creator to execute arbitrary code as the operating system user running pg_dump, via a crafted transform list. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-18408", "url": "https://www.postgresql.org/support/security/CVE-2026-18408/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL psql \\unrestrict lets superuser of pg_dump origin server execute arbitrary code in psql client", "vector": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-18408", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "client", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Untrusted data inclusion in pg_dump in PostgreSQL allows a malicious superuser of the origin server to inject arbitrary code for restore-time execution as the client operating system account running psql to restore the dump, via psql \\restrict meta-command input expansion. The fix for CVE-2025-8714 introduced \\restrict and \\unrestrict to block this attack, but \\unrestrict itself was sufficient for an attack. pg_dumpall is also affected. pg_restore is affected when used to generate a plain-format dump. Non-core use of \\restrict would be affected, but we've not identified non-core use. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-16239", "url": "https://www.postgresql.org/support/security/CVE-2026-16239/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-16239", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Type confusion in PostgreSQL \"portal\"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with different types. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-15742", "url": "https://www.postgresql.org/support/security/CVE-2026-15742/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL fuzzystrmatch writes effectively-arbitrary addresses, via integer wraparound", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-15742", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Integer wraparound in PostgreSQL fuzzystrmatch allows a user to direct writes to a huge range of addresses, executing arbitrary code as the operating system user running the database, via extreme inputs to SQL function levenshtein() or levenshtein_less_equal(). Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-15741", "url": "https://www.postgresql.org/support/security/CVE-2026-15741/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL expression deparse allows SQL injection via EXTRACT argument", "vector": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-15741", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "SQL injection in PostgreSQL EXTRACT() deparse allows an object owner to execute arbitrary SQL as a superuser via a hostile object definition. Attacks affect expression deparse consumers broadly, including pg_dump, psql commands like \\sf, and any similar usage in non-core tools. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14680", "url": "https://www.postgresql.org/support/security/CVE-2026-14680/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL type confusion via \"internal\" arguments", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14680", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Type confusion with PostgreSQL \"internal\" data type arguments allows any user to execute arbitrary code as the operating system user running the database, via calls to functions with that argument type. Type \"internal\" represents a class of mutually-incompatible data structures not intended for access from SQL. The system intended to prevent such function calls, but this prevention had gaps. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14677", "url": "https://www.postgresql.org/support/security/CVE-2026-14677/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL 32-bit pltcl and plperl undersize allocations, via integer wraparound", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14677", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14671", "url": "https://www.postgresql.org/support/security/CVE-2026-14671/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL refint plan cache type confusion executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14671", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Type confusion in PostgreSQL module \"refint\" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug report, and the fix appear in the git repository with subject \"refint: Remove plan cache.\", without a CVE number. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14670", "url": "https://www.postgresql.org/support/security/CVE-2026-14670/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL plperl tied object heap buffer overflow executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14670", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14669", "url": "https://www.postgresql.org/support/security/CVE-2026-14669/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL to_char heap buffer overflow executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14669", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14664", "url": "https://www.postgresql.org/support/security/CVE-2026-14664/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL regexp heap buffer overflow executes arbitrary code", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14664", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Heap buffer overflow in PostgreSQL regexp allows the query author to execute arbitrary code as the operating system user running the database, via text that would not pass encoding validation. This shares heritage with CVE-2026-2006, but this case involved unanticipated data growth when round-tripped through pg_wchar. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14662", "url": "https://www.postgresql.org/support/security/CVE-2026-14662/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.8, "title": "PostgreSQL tsvector and tsquery undersize allocations, via integer wraparound", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14662", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Integer wraparound in PostgreSQL tsvector and tsquery data type functions allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds, via crafted large inputs. This may execute arbitrary code as the operating system user running the database. These types are typically sourced from application logic, not taken from the application's user. Hence, application users attacking the database, through the application as a conduit, are unlikely. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2025-8715", "url": "https://www.postgresql.org/support/security/CVE-2025-8715/", "fixed": {"13": "13.22", "14": "14.19", "15": "15.14", "16": "16.10", "17": "17.6"}, "score": 8.8, "title": "PostgreSQL pg_dump newline in object name executes arbitrary code in psql client and in restore target server", "vector": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-8715", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"13": "2025-08-14", "14": "2025-08-14", "15": "2025-08-14", "16": "2025-08-14", "17": "2025-08-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Improper neutralization of newlines in pg_dump in PostgreSQL allows a user of the origin server to inject arbitrary code for restore-time execution as the client operating system account running psql to restore the dump, via psql meta-commands inside a purpose-crafted object name. The same attacks can achieve SQL injection as a superuser of the restore target server. pg_dumpall, pg_restore, and pg_upgrade are also affected. Versions before PostgreSQL 17.6, 16.10, 15.14, 14.19, and 13.22 are affected. Versions before 11.20 are unaffected. CVE-2012-0868 had fixed this class of problem, but version 11.20 reintroduced it.", "affected_ranges": [{"from": "11.20", "until": "13.22"}, {"from": "14", "until": "14.19"}, {"from": "15", "until": "15.14"}, {"from": "16", "until": "16.10"}, {"from": "17", "until": "17.6"}], "first_published": "2025-08-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2025-8714", "url": "https://www.postgresql.org/support/security/CVE-2025-8714/", "fixed": {"13": "13.22", "14": "14.19", "15": "15.14", "16": "16.10", "17": "17.6"}, "score": 8.8, "title": "PostgreSQL pg_dump lets superuser of origin server execute arbitrary code in psql client", "vector": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-8714", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"13": "2025-08-14", "14": "2025-08-14", "15": "2025-08-14", "16": "2025-08-14", "17": "2025-08-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Untrusted data inclusion in pg_dump in PostgreSQL allows a malicious superuser of the origin server to inject arbitrary code for restore-time execution as the client operating system account running psql to restore the dump, via psql meta-commands. pg_dumpall is also affected. pg_restore is affected when used to generate a plain-format dump. This is similar to MySQL CVE-2024-21096. Versions before PostgreSQL 17.6, 16.10, 15.14, 14.19, and 13.22 are affected.", "affected_ranges": [{"from": "0", "until": "13.22"}, {"from": "14", "until": "14.19"}, {"from": "15", "until": "15.14"}, {"from": "16", "until": "16.10"}, {"from": "17", "until": "17.6"}], "first_published": "2025-08-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14679", "url": "https://www.postgresql.org/support/security/CVE-2026-14679/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.2, "title": "PostgreSQL stack buffer overflow in argument match writes 0x0 and 0x1 to server memory", "vector": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14679", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6464", "url": "https://www.postgresql.org/support/security/CVE-2026-6464/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.1, "title": "PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6464", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "client", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the \"COPY FROM STDIN\" or \"\\copy FROM STDIN\" command fails before the server indicates that it awaits input rows, psql processes the in-line data rows as psql commands. \"COPY FROM\" with a filename is unaffected. The server administrator has no inherent control over the data rows, so a complete attack requires the attacker to separately acquire control of both the server and the data rows. Alternatively, an attacker controlling data rows alone might complete an attack through a coincidental error that they don't control. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-14668", "url": "https://www.postgresql.org/support/security/CVE-2026-14668/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 8.1, "title": "PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14668", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculation loses precision, substantial memory value recovery appears possible. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2025-1094", "url": "https://www.postgresql.org/support/security/CVE-2025-1094/", "fixed": {"13": "13.19", "14": "14.16", "15": "15.11", "16": "16.7", "17": "17.3"}, "score": 8.1, "title": "PostgreSQL quoting APIs miss neutralizing quoting syntax in text that fails encoding validation", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-1094", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"13": "2025-02-13", "14": "2025-02-13", "15": "2025-02-13", "16": "2025-02-13", "17": "2025-02-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Improper neutralization of quoting syntax in PostgreSQL libpq functions PQescapeLiteral(), PQescapeIdentifier(), PQescapeString(), and PQescapeStringConn() allows a database input provider to achieve SQL injection in certain usage patterns. Specifically, SQL injection requires the application to use the function result to construct input to psql, the PostgreSQL interactive terminal. Similarly, improper neutralization of quoting syntax in PostgreSQL command line utility programs allows a source of command line arguments to achieve SQL injection when client_encoding is BIG5 and server_encoding is one of EUC_TW or MULE_INTERNAL. Versions before PostgreSQL 17.3, 16.7, 15.11, 14.16, and 13.19 are affected.", "affected_ranges": [{"from": "0", "until": "13.19"}, {"from": "14", "until": "14.16"}, {"from": "15", "until": "15.11"}, {"from": "16", "until": "16.7"}, {"from": "17", "until": "17.3"}], "first_published": "2025-02-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6479", "url": "https://www.postgresql.org/support/security/CVE-2026-6479/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 7.5, "title": "PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion", "vector": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6479", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AF_UNIX socket to achieve sustained denial of service. If SSL and GSS are both disabled, an attacker can do the same via access to a PostgreSQL TCP socket. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6471", "url": "https://www.postgresql.org/support/security/CVE-2026-6471/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 7.2, "title": "PostgreSQL logical decoding can dlopen arbitrary file", "vector": "AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6471", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to dlopen any file visible to the operating system account running the server, via the choice of logical decoding plugin. This in turn runs arbitrary code as that account. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "High"}, {"id": "CVE-2026-6478", "url": "https://www.postgresql.org/support/security/CVE-2026-6478/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 6.5, "title": "PostgreSQL discloses MD5-hashed passwords via covert timing channel", "vector": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6478", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed passwords originating in upgrades from PostgreSQL 13 or earlier. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-14663", "url": "https://www.postgresql.org/support/security/CVE-2026-14663/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 6.5, "title": "PostgreSQL pgcrypto, for OpenSSL-disabled ciphers, silently encrypts to and decrypts from cleartext", "vector": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14663", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Cleartext storage in PostgreSQL pgcrypto disabled ciphers allows a user to recover cleartext, via direct observation of the faulty ciphertext. The OpenSSL version and OpenSSL configuration determine the disabled ciphers. If the application accepts encrypted data as input, decryption will succeed even with the wrong key. This in turn loses the modest protection from the Modification Detection Code (MDC). Affected functions are pgp_sym_encrypt, pgp_sym_decrypt, pgp_pub_encrypt, pgp_pub_decrypt, pgp_sym_encrypt_bytea, pgp_sym_decrypt_bytea, pgp_pub_encrypt_bytea, and pgp_pub_decrypt_bytea. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2025-4207", "url": "https://www.postgresql.org/support/security/CVE-2025-4207/", "fixed": {"13": "13.21", "14": "14.18", "15": "15.13", "16": "16.9", "17": "17.5"}, "score": 5.9, "title": "PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-4207", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"13": "2025-05-08", "14": "2025-05-08", "15": "2025-05-08", "16": "2025-05-08", "17": "2025-05-08"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.", "affected_ranges": [{"from": "0", "until": "13.21"}, {"from": "14", "until": "14.18"}, {"from": "15", "until": "15.13"}, {"from": "16", "until": "16.9"}, {"from": "17", "until": "17.5"}], "first_published": "2025-05-08", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2025-12818", "url": "https://www.postgresql.org/support/security/CVE-2025-12818/", "fixed": {"13": "13.23", "14": "14.20", "15": "15.15", "16": "16.11", "17": "17.7", "18": "18.1"}, "score": 5.9, "title": "PostgreSQL libpq undersizes allocations, via integer wraparound", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-12818", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"13": "2025-11-13", "14": "2025-11-13", "15": "2025-11-13", "16": "2025-11-13", "17": "2025-11-13", "18": "2025-11-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Integer wraparound in multiple PostgreSQL libpq client library functions allows an application input provider or network peer to cause libpq to undersize an allocation and write out-of-bounds by hundreds of megabytes. This results in a segmentation fault for the application using libpq. Versions before PostgreSQL 18.1, 17.7, 16.11, 15.15, 14.20, and 13.23 are affected.", "affected_ranges": [{"from": "0", "until": "13.23"}, {"from": "14", "until": "14.20"}, {"from": "15", "until": "15.15"}, {"from": "16", "until": "16.11"}, {"from": "17", "until": "17.7"}, {"from": "18", "until": "18.1"}], "first_published": "2025-11-13", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-6472", "url": "https://www.postgresql.org/support/security/CVE-2026-6472/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 5.4, "title": "PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6472", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use search_path to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-6474", "url": "https://www.postgresql.org/support/security/CVE-2026-6474/", "fixed": {"14": "14.23", "15": "15.18", "16": "16.14", "17": "17.10", "18": "18.4"}, "score": 4.3, "title": "PostgreSQL timeofday() can disclose portions of server memory", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6474", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-05-14", "15": "2026-05-14", "16": "2026-05-14", "17": "2026-05-14", "18": "2026-05-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.", "affected_ranges": [{"from": "0", "until": "14.23"}, {"from": "15", "until": "15.18"}, {"from": "16", "until": "16.14"}, {"from": "17", "until": "17.10"}, {"from": "18", "until": "18.4"}], "first_published": "2026-05-14", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-6470", "url": "https://www.postgresql.org/support/security/CVE-2026-6470/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 4.3, "title": "PostgreSQL fails to check type USAGE privilege", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6470", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Missing authorization in PostgreSQL DDL commands allows an object creator to achieve denial of service against ALTER and DROP of the type, via creating a dependency on the type. Many DDL operations did check the privilege, but assigning a range subtype and referencing the type from an SQL expression did not. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-2003", "url": "https://www.postgresql.org/support/security/CVE-2026-2003/", "fixed": {"14": "14.21", "15": "15.16", "16": "16.12", "17": "17.8", "18": "18.2"}, "score": 4.3, "title": "PostgreSQL oidvector discloses a few bytes of memory", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-2003", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-02-12", "15": "2026-02-12", "16": "2026-02-12", "17": "2026-02-12", "18": "2026-02-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Improper validation of type \"oidvector\" in PostgreSQL allows a database user to disclose a few bytes of server memory. We have not ruled out viability of attacks that arrange for presence of confidential information in disclosed bytes, but they seem unlikely. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.", "affected_ranges": [{"from": "0", "until": "14.21"}, {"from": "15", "until": "15.16"}, {"from": "16", "until": "16.12"}, {"from": "17", "until": "17.8"}, {"from": "18", "until": "18.2"}], "first_published": "2026-02-12", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-18024", "url": "https://www.postgresql.org/support/security/CVE-2026-18024/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 4.3, "title": "PostgreSQL ascii() function reads past end of buffer", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-18024", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation, via a crafted text value. This is the same class of defect that CVE-2026-2006 fixed, though this instance has less impact. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-14678", "url": "https://www.postgresql.org/support/security/CVE-2026-14678/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 4.3, "title": "PostgreSQL pg_trgm picksplit reads past end of buffer", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14678", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "contrib module", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-14666", "url": "https://www.postgresql.org/support/security/CVE-2026-14666/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 4.2, "title": "PostgreSQL row security caching disregards role modifications", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14666", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Incomplete tracking in PostgreSQL of changes to role membership, role attributes, and database ownership allows a query to continue using cached row-level security policies after those changes require a different policy, via plan reuse. Stale policies continue until some other event invalidates the cache or connection termination ends the session. This permits a user to complete reads and modifications that were recently permitted but now forbidden. An attacker must tailor an attack to a particular application's pattern of privilege removal and role-specific row security policies. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Medium"}, {"id": "CVE-2026-6469", "url": "https://www.postgresql.org/support/security/CVE-2026-6469/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 3.8, "title": "PostgreSQL ALTER TABLE ALTER TYPE resets extended statistics ownership", "vector": "AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-6469", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent statistics objects to the current user. This wrongly allows the table owner to run DROP STATISTICS and ALTER STATISTICS via this improper ownership. It wrongly denies those commands to the prior statistics object owner. DROP TABLE remains able to remove statistics objects, so this exploit achieves nothing in many ownership arrangements. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Low"}, {"id": "CVE-2026-16241", "url": "https://www.postgresql.org/support/security/CVE-2026-16241/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "17": "17.11", "18": "18.6"}, "score": 3.8, "title": "PostgreSQL ECPG integer underflow can crash the client", "vector": "AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-16241", "affected": {"14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "client", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "17": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside attacker knowledge or control. This typically yields a simple SIGSEGV, but rare cases might achieve client-specific integrity impact via the write. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "17", "until": "17.11"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Low"}, {"id": "CVE-2026-14673", "url": "https://www.postgresql.org/support/security/CVE-2026-14673/", "fixed": {"14": "14.24", "15": "15.19", "16": "16.15", "18": "18.6"}, "score": 3.8, "title": "PostgreSQL amcheck does not clear untrusted search path", "vector": "AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2026-14673", "affected": {"14": "14", "15": "15", "16": "16", "18": "18"}, "component": "contrib module", "published": {"14": "2026-08-13", "15": "2026-08-13", "16": "2026-08-13", "18": "2026-08-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before calling the amcheck function. Within major versions 18, 16, 15, and 14, minor versions before PostgreSQL 18.6, 16.15, 15.19, and 14.24 are affected. PostgreSQL 17 is unaffected.", "affected_ranges": [{"from": "0", "until": "14.24"}, {"from": "15", "until": "15.19"}, {"from": "16", "until": "16.15"}, {"from": "18", "until": "18.6"}], "first_published": "2026-08-13", "fixed_version": "", "severity": "Low"}, {"id": "CVE-2025-8713", "url": "https://www.postgresql.org/support/security/CVE-2025-8713/", "fixed": {"13": "13.22", "14": "14.19", "15": "15.14", "16": "16.10", "17": "17.6"}, "score": 3.1, "title": "PostgreSQL optimizer statistics can expose sampled data within a view, partition, or child table", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-8713", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17"}, "component": "core server", "published": {"13": "2025-08-14", "14": "2025-08-14", "15": "2025-08-14", "16": "2025-08-14", "17": "2025-08-14"}, "introduced": {}, "cvss_version": "3.0", "description_en": "PostgreSQL optimizer statistics allow a user to read sampled data within a view that the user cannot access. Separately, statistics allow a user to read sampled data that a row security policy intended to hide. PostgreSQL maintains statistics for tables by sampling data available in columns; this data is consulted during the query planning process. Prior to this release, a user could craft a leaky operator that bypassed view access control lists (ACLs) and bypassed row security policies in partitioning or table inheritance hierarchies. Reachable statistics data notably included histograms and most-common-values lists. CVE-2017-7484 and CVE-2019-10130 intended to close this class of vulnerability, but this gap remained. Versions before PostgreSQL 17.6, 16.10, 15.14, 14.19, and 13.22 are affected.", "affected_ranges": [{"from": "0", "until": "13.22"}, {"from": "14", "until": "14.19"}, {"from": "15", "until": "15.14"}, {"from": "16", "until": "16.10"}, {"from": "17", "until": "17.6"}], "first_published": "2025-08-14", "fixed_version": "", "severity": "Low"}, {"id": "CVE-2025-12817", "url": "https://www.postgresql.org/support/security/CVE-2025-12817/", "fixed": {"13": "13.23", "14": "14.20", "15": "15.15", "16": "16.11", "17": "17.7", "18": "18.1"}, "score": 3.1, "title": "PostgreSQL CREATE STATISTICS does not check for schema CREATE privilege", "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L", "cna_url": "https://cveawg.mitre.org/api/cve/CVE-2025-12817", "affected": {"13": "13", "14": "14", "15": "15", "16": "16", "17": "17", "18": "18"}, "component": "core server", "published": {"13": "2025-11-13", "14": "2025-11-13", "15": "2025-11-13", "16": "2025-11-13", "17": "2025-11-13", "18": "2025-11-13"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Missing authorization in PostgreSQL CREATE STATISTICS command allows a table owner to achieve denial of service against other CREATE STATISTICS users by creating in any schema. A later CREATE STATISTICS for the same name, from a user having the CREATE privilege, would then fail. Versions before PostgreSQL 18.1, 17.7, 16.11, 15.15, 14.20, and 13.23 are affected.", "affected_ranges": [{"from": "0", "until": "13.23"}, {"from": "14", "until": "14.20"}, {"from": "15", "until": "15.15"}, {"from": "16", "until": "16.11"}, {"from": "17", "until": "17.7"}, {"from": "18", "until": "18.1"}], "first_published": "2025-11-13", "fixed_version": "", "severity": "Low"}], "cross_major": false, "excluded_count": 0, "already_in_source_count": 0, "duplicate_count": 0, "candidate_count": 1001, "exclusions": [], "history": {"source": ["9.0.0", "9.0.1", "9.0.2", "9.0.3", "9.0.4", "9.1.0", "9.1.1", "9.1.2", "9.1.3", "9.1.4", "9.1.5", "9.2.0", "9.2.1", "9.2.2", "9.2.3", "9.2.4", "9.3.0", "9.3.1", "9.3.2", "9.3.3", "9.3.4", "9.3.5", "9.4.0", "9.4.1", "9.4.2", "9.4.3", "9.4.4", "9.4.5", "9.5.0", "9.5.1", "9.5.2", "9.5.3", "9.5.4", "9.6.0", "9.6.1", "9.6.2", "9.6.3", "9.6.4", "9.6.5", "10.0", "10.1", "10.2", "10.3", "10.4", "10.5", "11.0", "11.1", "11.2", "11.3", "11.4", "11.5", "12.0"], "target": ["9.0.0", "9.0.1", "9.0.2", "9.0.3", "9.0.4", "9.1.0", "9.1.1", "9.1.2", "9.1.3", "9.1.4", "9.1.5", "9.2.0", "9.2.1", "9.2.2", "9.2.3", "9.2.4", "9.3.0", "9.3.1", "9.3.2", "9.3.3", "9.3.4", "9.3.5", "9.4.0", "9.4.1", "9.4.2", "9.4.3", "9.4.4", "9.4.5", "9.5.0", "9.5.1", "9.5.2", "9.5.3", "9.5.4", "9.6.0", "9.6.1", "9.6.2", "9.6.3", "9.6.4", "9.6.5", "10.0", "10.1", "10.2", "10.3", "10.4", "10.5", "11.0", "11.1", "11.2", "11.3", "11.4", "11.5", "12.0", "12.1", "12.2", "12.3", "12.4", "12.5", "12.6", "12.7", "12.8", "12.9", "12.10", "12.11", "12.12", "12.13", "12.14", "12.15", "12.16", "12.17", "12.18", "12.19", "12.20", "12.21", "12.22"], "candidates": ["12.1", "12.2", "12.3", "12.4", "12.5", "12.6", "12.7", "12.8", "12.9", "12.10", "12.11", "12.12", "12.13", "12.14", "12.15", "12.16", "12.17", "12.18", "12.19", "12.20", "12.21", "12.22"]}, "release_count": 22, "warnings": [], "source_as_of": "2026-09-26", "security_as_of": "2026-09-26"}