A dump/restore using pg_dumpall, or use of pg_upgrade, is required for those wishing to migrate data from any previous release.
\nVersion 9.6 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
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\nHowever, note that installations using physical replication should update standby servers before the primary server, as explained in the third changelog entry below.
\nAlso, several bugs have been found that may have resulted in corrupted indexes, as explained in the next several changelog entries. If any of those cases apply to you, it's recommended to reindex possibly-affected indexes after updating.
\nAlso, if you are upgrading from a version earlier than 9.6.21, see Section E.4.
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\nAlso, several bugs have been found that may have resulted in corrupted indexes, as explained in the next several changelog entries. If any of those cases apply to you, it's recommended to reindex possibly-affected indexes after updating.
\nAlso, if you are upgrading from a version earlier than 9.6.21, see Section E.4.
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\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2021-23214)
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\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2021-23222)
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\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.
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\nSince 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.
", "text": "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.) 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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.) 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\nIf 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.
", "text": "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.", "title": "Prevent data loss during crash recovery of CREATE TABLESPACE, when wal_level = minimal", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "b9c626803531b10c255f8883cefca285595d8e0222a02163bc3fb6cb7a506d85", "section_path": ["Changes"], "commit_groups": [["5513c09c8", "6ebd2426b", "978998dbd", "97ddda8a8", "a494f1023", "b18669f5e", "f11c1bb17"]], "identity_text": "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.", "commit_aliases": ["5513c09c8", "6ebd2426b", "978998dbd", "97ddda8a8", "a494f1023", "b18669f5e", "f11c1bb17"], "source_commits": ["978998dbd"], "source_entry_id": "9.6.24/changes/007", "db_id": "ef8cbd3b7156273f62645800ddb07f6e", "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4", "relations": [{"rule": 2, "type": "equivalent", "target": "4ba2c2dc5ff0a53e36d75daf831f45fd", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}}, {"rule": 2, "type": "equivalent", "target": "6eeef9462a17f4bb0443c35da2454aca", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}}, {"rule": 2, "type": "equivalent", "target": "82015ca1a84ddaeb224d28aa6ea66fbc", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}}, {"rule": 2, "type": "equivalent", "target": "ba23d3fe41bb0c2419dc2b5eb063cd04", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}}], "version": "9.6.24", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "6eeef9462a17f4bb0443c35da2454aca", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Prevent data loss during crash recovery of CREATE TABLESPACE, when wal_level = minimal", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}, "url": "/docs/compare/?release=13.5#13.5-dba64f5c7b076050", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "82015ca1a84ddaeb224d28aa6ea66fbc", "kind": "equivalent", "version": "12.9", "label": "12.9", "title": "Prevent data loss during crash recovery of CREATE TABLESPACE, when wal_level = minimal", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}, "url": "/docs/compare/?release=12.9#12.9-19f919b00208693e", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"db_id": "ba23d3fe41bb0c2419dc2b5eb063cd04", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Prevent data loss during crash recovery of CREATE TABLESPACE, when wal_level = minimal", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}, "url": "/docs/compare/?release=11.14#11.14-00b0e132100de79c", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "4ba2c2dc5ff0a53e36d75daf831f45fd", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Prevent data loss during crash recovery of CREATE TABLESPACE, when wal_level = minimal", "evidence": {"same_day": true, "patch_ids": ["071a9a3d64f57150f87e7c8f4772aa09"], "statement_hash": "d4fce76833c843416eddd25d6b79bfe5e2055c4296ae2c53db75e83464c56dc4"}, "url": "/docs/compare/?release=10.19#10.19-00b0e132100de79c", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}]}, {"id": "9.6.24-ac0bc2a742a4a637", "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.
", "text": "Don't discard a cast to the same type with unspecified type modifier (Tom Lane) For 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.", "title": "Don't discard a cast to the same type with unspecified type modifier", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "2700aeb142e59cd2fc91d53c45c6bdea4d6b49efa519c042fb27d3d978fe398b", "section_path": ["Changes"], "commit_groups": [["183b3aced", "5c056b0c2", "914e54501", "923b7efc2", "dede14399", "e5f6493e3", "f230614da"]], "identity_text": "Don't discard a cast to the same type with unspecified type modifier (Tom Lane) For 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.", "commit_aliases": ["183b3aced", "5c056b0c2", "914e54501", "923b7efc2", "dede14399", "e5f6493e3", "f230614da"], "source_commits": ["183b3aced"], "source_entry_id": "9.6.24/changes/008", "db_id": "cab9f92a0cb611332bd820331c837ca3", "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf", "relations": [{"rule": 2, "type": "equivalent", "target": "3f481a78e4240bfe0f1b494d43b511f7", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}}, {"rule": 2, "type": "equivalent", "target": "8c2dd14797b34df9a5afca02fff27580", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}}, {"rule": 2, "type": "equivalent", "target": "c47bd83d49e6cf337d1e762efc2d200b", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}}, {"rule": 2, "type": "equivalent", "target": "e2b3fcaa7b119d13883b60e8c073e671", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}}], "version": "9.6.24", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "3f481a78e4240bfe0f1b494d43b511f7", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Don't discard a cast to the same type with unspecified type modifier", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}, "url": "/docs/compare/?release=13.5#13.5-7f47318a010ee73a", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "8c2dd14797b34df9a5afca02fff27580", "kind": "equivalent", "version": "12.9", "label": "12.9", "title": "Don't discard a cast to the same type with unspecified type modifier", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}, "url": "/docs/compare/?release=12.9#12.9-8d47e060f23f4654", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"db_id": "e2b3fcaa7b119d13883b60e8c073e671", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Don't discard a cast to the same type with unspecified type modifier", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}, "url": "/docs/compare/?release=11.14#11.14-ac0bc2a742a4a637", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "c47bd83d49e6cf337d1e762efc2d200b", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Don't discard a cast to the same type with unspecified type modifier", "evidence": {"same_day": true, "patch_ids": ["8c530bd13429d6aff93afbf940784143"], "statement_hash": "21051367e57f5955e6ece701ec7187090c34a78575c736140f01da30f0d30adf"}, "url": "/docs/compare/?release=10.19#10.19-ac0bc2a742a4a637", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}]}, {"id": "9.6.24-32bbfbec1a87a5d1", "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": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "fb6297767301aac235ef0ce5e35e8fe32e65e26f7dd526ecc9d18adb747a8985", "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": ["0de8f9bc8"], "source_entry_id": "9.6.24/changes/009", "db_id": "b0151959d488107ae648f8f155484246", "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": "6c00cd1a9719b140cfc2aef71bb278b7", "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": "9.6.24", "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": "6c00cd1a9719b140cfc2aef71bb278b7", "kind": "equivalent", "version": "12.9", "label": "12.9", "title": "Fix corner-case loss of precision in numeric power()", "evidence": {"same_day": true, "patch_ids": ["4b82febc4123016fe162fda896e5096a"], "statement_hash": "b0547be94ca14fba6bb5eadae168aa510a0a4e2d9df71fb7527ea9e3ef69899e"}, "url": "/docs/compare/?release=12.9#12.9-549a5c9fbc154743", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"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"}]}, {"id": "9.6.24-63a510d39838836e", "cves": [], "html": "Avoid regular expression errors with capturing parentheses inside {0} (Tom Lane)
\nRegular 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.
", "text": "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.", "title": "Avoid regular expression errors with capturing parentheses inside {0}", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "421dcafa072ec4886a6774ca38f68b75a455aabe38c0aeef410757069c8229bd", "section_path": ["Changes"], "commit_groups": [["062c4c791", "071146184", "244dd7992", "3ebd32e70", "65dc30ced", "7e75fe390", "92620e82f"]], "identity_text": "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.", "commit_aliases": ["062c4c791", "071146184", "244dd7992", "3ebd32e70", "65dc30ced", "7e75fe390", "92620e82f"], "source_commits": ["7e75fe390"], "source_entry_id": "9.6.24/changes/010", "db_id": "0851f9c822462108d03b12b8a676de26", "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5", "relations": [{"rule": 2, "type": "equivalent", "target": "6137a626b6ebdca900a21e159963b0e1", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}}, {"rule": 2, "type": "equivalent", "target": "a2b6b5277ba16d3a7ac847e98f5f3c6c", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}}, {"rule": 2, "type": "equivalent", "target": "c8719989d0e5fd9df8c5fff17f6bb8d1", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}}, {"rule": 2, "type": "equivalent", "target": "d7e27d3c44914e575f270c53720f8215", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}}], "version": "9.6.24", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "6137a626b6ebdca900a21e159963b0e1", "kind": "equivalent", "version": "13.5", "label": "13.5", "title": "Avoid regular expression errors with capturing parentheses inside {0}", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}, "url": "/docs/compare/?release=13.5#13.5-f946ab4d4a4c4562", "source_url": "/docs/release/13.5/#id-1.11.6.24.5"}, {"db_id": "a2b6b5277ba16d3a7ac847e98f5f3c6c", "kind": "equivalent", "version": "12.9", "label": "12.9", "title": "Avoid regular expression errors with capturing parentheses inside {0}", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}, "url": "/docs/compare/?release=12.9#12.9-40472a515c7bfd50", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"db_id": "c8719989d0e5fd9df8c5fff17f6bb8d1", "kind": "equivalent", "version": "11.14", "label": "11.14", "title": "Avoid regular expression errors with capturing parentheses inside {0}", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}, "url": "/docs/compare/?release=11.14#11.14-63a510d39838836e", "source_url": "/docs/release/11.14/#id-1.11.6.13.5"}, {"db_id": "d7e27d3c44914e575f270c53720f8215", "kind": "equivalent", "version": "10.19", "label": "10.19", "title": "Avoid regular expression errors with capturing parentheses inside {0}", "evidence": {"same_day": true, "patch_ids": ["ac8072e63193fa4afb162f0fb61510c1"], "statement_hash": "73ee70b21091ad4b554e7d395f977e35d597a5579e85c713b18b83eb629733a5"}, "url": "/docs/compare/?release=10.19#10.19-63a510d39838836e", "source_url": "/docs/release/10.19/#id-1.11.6.9.5"}]}, {"id": "9.6.24-973cf2afcb15f9df", "cves": [], "html": "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": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "b703da5f441b3815e1185d0d018dbd677d200ef89997675b5f58bde49671e19c", "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": ["d90e14414"], "source_entry_id": "9.6.24/changes/011", "db_id": "db98f99b0d1f6903dbfc5e3be4d5387c", "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": "dde6640a815b7ab63041151f90246968", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}}, {"rule": 2, "type": "equivalent", "target": "fd9076c2292385c1b7f2613b7dd2add3", "evidence": {"same_day": true, "patch_ids": ["b1c650c52b2231b4a4b21c0027689de7"], "statement_hash": "4e41689ff5ea5613f17239813c5f16672a3db2a03e4af9a0dbb5d1abbbf2d62a"}}], "version": "9.6.24", "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": "fd9076c2292385c1b7f2613b7dd2add3", "kind": "equivalent", "version": "12.9", "label": "12.9", "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=12.9#12.9-d7f665f17d71c527", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"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"}]}, {"id": "9.6.24-4c7c36f139aa494d", "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": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "ecb9fe4ff5547810477aba35802718029a2a93a5b91508592eb655076d738b81", "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": ["cafebd663"], "source_entry_id": "9.6.24/changes/012", "db_id": "42e028519e0ba2febe6342873cebc1f7", "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7", "relations": [{"rule": 2, "type": "equivalent", "target": "4fced0b9275aaf74765209b7f904b28c", "evidence": {"same_day": true, "patch_ids": ["ca995b6f0b4e12f4f5b3a9fbaac6d7cf"], "statement_hash": "d711e71fca443e4192f043832c6c67ca1bfc20ba5400281227f91b1c702608f7"}}, {"rule": 2, "type": "equivalent", "target": "688ccbc9cb0855becfc0adcfaf70a154", "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": "9.6.24", "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": "688ccbc9cb0855becfc0adcfaf70a154", "kind": "equivalent", "version": "12.9", "label": "12.9", "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=12.9#12.9-446f89346a6d1c1d", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"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"}]}, {"id": "9.6.24-ef30935d0837f0a3", "cves": [], "html": "Fix incorrect results from AT TIME ZONE applied to a time with time zone value (Tom Lane)
\nThe 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": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "6bdfa95485870ff0e928254fc2740fbd86101d1127f76dd8c99b267540a2886e", "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": ["5907c3818"], "source_entry_id": "9.6.24/changes/013", "db_id": "1cbe7ac9a3e48112574b93b9c4337936", "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": "1d98d253603f63b72170b1a21fa26ecb", "evidence": {"same_day": true, "patch_ids": ["a8a2a6fdc53af4d8d9b4a60205364d39"], "statement_hash": "dfe689ee8ff08f4cb66de5ed4c6419781413d22556868301e734c823230de9ce"}}, {"rule": 2, "type": "equivalent", "target": "873842f3b76c836d3d0b43d915bf20ff", "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": "9.6.24", "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": "873842f3b76c836d3d0b43d915bf20ff", "kind": "equivalent", "version": "12.9", "label": "12.9", "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=12.9#12.9-79e3fbdf7c3057f9", "source_url": "/docs/release/12.9/#id-1.11.6.19.5"}, {"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"}]}, {"id": "9.6.24-d300a04be0796b35", "cves": [], "html": "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.
", "text": "Clean up correctly if a transaction fails after exporting its snapshot (Dilip Kumar) This 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.", "title": "Clean up correctly if a transaction fails after exporting its snapshot", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.24/#AEN131871", "source_hash": "8787c9584db1a5273df78bb34d313c22d73698b97b885af9beb032c93dd1cb93", "section_path": ["Changes"], "commit_groups": [["409f9ca44", "506aa1f71", "5b353aaff", "8f4fe8d7f", "a207b8521", "d1a6a08df", "f49bf8263"]], "identity_text": "Clean up correctly if a transaction fails after exporting its snapshot (Dilip Kumar) This oversight would only cause a problem if the same session attempted to export a snapshot again. 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Allow EXIT out of the outermost block in a PL/pgSQL routine (Tom Lane)
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\nThis 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.
", "text": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE (Tom Lane) 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.", "title": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.23/#AEN132078", "source_hash": "ab0b7a940308e554c8058469bafdbdb1a3ac14bdb9187ef3d3fd6fea5000060d", "section_path": ["Changes"], "commit_groups": [["1103033ae", "39862dde4", "3eca18522", "762fe98b1", "dc272157a", "e5b0fffa1"]], "identity_text": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE (Tom Lane) 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.", "commit_aliases": ["1103033ae", "39862dde4", "3eca18522", "762fe98b1", "dc272157a", "e5b0fffa1"], "source_commits": ["3eca18522"], "source_entry_id": "9.6.23/changes/002", "db_id": "b17e23f01b70a04fef0bb0a7866a64f1", "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f", "relations": [{"rule": 2, "type": "equivalent", "target": "06bcd88dba5300957347d984203f2a51", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}}, {"rule": 2, "type": "equivalent", "target": "6e154943fd9f215ec8e94ec7e5505dd6", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}}, {"rule": 2, "type": "equivalent", "target": "6ed2d0a27ca078b142e872cb8a1a353b", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}}, {"rule": 2, "type": "equivalent", "target": "8ccb1015a96d5bdf6b94c0241044058f", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}}], "version": "9.6.23", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "06bcd88dba5300957347d984203f2a51", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}, "url": "/docs/compare/?release=13.4#13.4-9d91217a1bbb7285", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "6ed2d0a27ca078b142e872cb8a1a353b", "kind": "equivalent", "version": "12.8", "label": "12.8", "title": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}, "url": "/docs/compare/?release=12.8#12.8-8f803134c4475494", "source_url": "/docs/release/12.8/#id-1.11.6.20.5"}, {"db_id": "8ccb1015a96d5bdf6b94c0241044058f", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}, "url": "/docs/compare/?release=11.13#11.13-264691663acb5e39", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}, {"db_id": "6e154943fd9f215ec8e94ec7e5505dd6", "kind": "equivalent", "version": "10.18", "label": "10.18", "title": "Reject SELECT ... GROUP BY GROUPING SETS (()) FOR UPDATE", "evidence": {"same_day": true, "patch_ids": ["0d59e8424e7c69c7d9ad7565595a80ab"], "statement_hash": "669294da37df6ede9b214112c8f79f0c940e974b33e7735926385577d5e2ef6f"}, "url": "/docs/compare/?release=10.18#10.18-264691663acb5e39", "source_url": "/docs/release/10.18/#id-1.11.6.10.5"}]}, {"id": "9.6.23-890caa4a8514a79e", "cves": [], "html": "Reject cases where a query in WITH rewrites to just NOTIFY (Tom Lane)
\nSuch cases previously crashed.
", "text": "Reject cases where a query in WITH rewrites to just NOTIFY (Tom Lane) Such cases previously crashed.", "title": "Reject cases where a query in WITH rewrites to just NOTIFY", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.23/#AEN132078", "source_hash": "6a4912739e8fe6ca69e33eb627e1d7007c798268b7c172a2ffc55ce80936bf60", "section_path": ["Changes"], "commit_groups": [["158594f99", "39b6e85f1", "51df19a05", "6edccac16", "9c729bd30", "a9da1934e", "f0271cb15"]], "identity_text": "Reject cases where a query in WITH rewrites to just NOTIFY (Tom Lane) Such cases previously crashed.", "commit_aliases": ["158594f99", "39b6e85f1", "51df19a05", "6edccac16", "9c729bd30", "a9da1934e", "f0271cb15"], "source_commits": ["f0271cb15"], "source_entry_id": "9.6.23/changes/003", "db_id": "b7314e86b170cf675b584fb3976072dd", "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a", "relations": [{"rule": 2, "type": "equivalent", "target": "126777f5a1192a74c0c9c7acc30412ec", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}}, {"rule": 2, "type": "equivalent", "target": "9eba5f76b8ccad069973234786b3be7c", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}}, {"rule": 2, "type": "equivalent", "target": "dd86d9b87578012ca4c2b9920e692616", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}}, {"rule": 2, "type": "equivalent", "target": "ff382b6bc7164a98e2922d8e8b386f26", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}}], "version": "9.6.23", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "126777f5a1192a74c0c9c7acc30412ec", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Reject cases where a query in WITH rewrites to just NOTIFY", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}, "url": "/docs/compare/?release=13.4#13.4-a872bcf6d4b1a33b", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "ff382b6bc7164a98e2922d8e8b386f26", "kind": "equivalent", "version": "12.8", "label": "12.8", "title": "Reject cases where a query in WITH rewrites to just NOTIFY", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}, "url": "/docs/compare/?release=12.8#12.8-4bcf72c9b0591b46", "source_url": "/docs/release/12.8/#id-1.11.6.20.5"}, {"db_id": "9eba5f76b8ccad069973234786b3be7c", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Reject cases where a query in WITH rewrites to just NOTIFY", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}, "url": "/docs/compare/?release=11.13#11.13-890caa4a8514a79e", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}, {"db_id": "dd86d9b87578012ca4c2b9920e692616", "kind": "equivalent", "version": "10.18", "label": "10.18", "title": "Reject cases where a query in WITH rewrites to just NOTIFY", "evidence": {"same_day": true, "patch_ids": ["cde9b5874f6ec7a4144d7f1cfeb8ed65"], "statement_hash": "c6f5356e2f3e2e33cdbb86fc3b7dfb11224261e27f988fee979bc720c223684a"}, "url": "/docs/compare/?release=10.18#10.18-890caa4a8514a79e", "source_url": "/docs/release/10.18/#id-1.11.6.10.5"}]}, {"id": "9.6.23-896cd7656090d9f7", "cves": [], "html": "In numeric multiplication, round the result rather than failing if it would have more than 16383 digits after the decimal point (Dean Rasheed)
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\nThis command failed on materialized views containing columns with certain names, notably mv and newdata.
", "text": "Avoid alias conflicts in queries generated for REFRESH MATERIALIZED VIEW CONCURRENTLY (Tom Lane, Bharath Rupireddy) This command failed on materialized views containing columns with certain names, notably mv and newdata.", "title": "Avoid alias conflicts in queries generated for REFRESH MATERIALIZED VIEW CONCURRENTLY", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.23/#AEN132078", "source_hash": "cf8dd7117e9ea5ebdf6e05f32d483e69eb69a3a98740f1a7cbd2faa10c9b7cb0", "section_path": ["Changes"], "commit_groups": [["187682c32", "20f70f558", "4ceaa760b", "75d66d10e", "d9525c46c", "dbc9dbba5"], ["1ff1e4a60", "2c915905e", "9179a82d7", "ac818984a", "ba9f665a4", "c08b3a9eb", "d33fc4110"]], "identity_text": "Avoid alias conflicts in queries generated for REFRESH MATERIALIZED VIEW CONCURRENTLY (Tom Lane, Bharath Rupireddy) This command failed on materialized views containing columns with certain names, notably mv and newdata.", 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transaction-lifespan locks (Tom Lane)
\nA 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.
", "text": "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.", "title": "Fix PREPARE TRANSACTION to check correctly for conflicting session-lifespan and transaction-lifespan locks", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.23/#AEN132078", "source_hash": "e4813c482fd4f379430390d4b9e0497a05a2fb63965567b116a10aa753678f46", "section_path": ["Changes"], "commit_groups": [["1861390e6", "6310809c4", "654372169", "712ba6b8b", "7b2262a21", "899785b4f", "f47408cdc"]], "identity_text": "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.", "commit_aliases": ["1861390e6", "6310809c4", "654372169", "712ba6b8b", "7b2262a21", "899785b4f", "f47408cdc"], "source_commits": ["1861390e6"], "source_entry_id": "9.6.23/changes/011", "db_id": "2ad698d49564e202394af7abaff7e460", "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d", "relations": [{"rule": 2, "type": "equivalent", "target": "3edde841acacd6ac0b911b5b7439eb05", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}}, {"rule": 2, "type": "equivalent", "target": "47a0d6f8402997d619993d798dbdd949", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}}, {"rule": 2, "type": "equivalent", "target": "4d5601526056b316693cc1cc32aaf8f9", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}}, {"rule": 2, "type": "equivalent", "target": "928c478d377cdcd99bd55aae832762ed", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}}], "version": "9.6.23", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "928c478d377cdcd99bd55aae832762ed", "kind": "equivalent", "version": "13.4", "label": "13.4", "title": "Fix PREPARE TRANSACTION to check correctly for conflicting session-lifespan and transaction-lifespan locks", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}, "url": "/docs/compare/?release=13.4#13.4-cd704a3ec137775e", "source_url": "/docs/release/13.4/#id-1.11.6.25.5"}, {"db_id": "47a0d6f8402997d619993d798dbdd949", "kind": "equivalent", "version": "12.8", "label": "12.8", "title": "Fix PREPARE TRANSACTION to check correctly for conflicting session-lifespan and transaction-lifespan locks", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}, "url": "/docs/compare/?release=12.8#12.8-500cbade61d9cf55", "source_url": "/docs/release/12.8/#id-1.11.6.20.5"}, {"db_id": "4d5601526056b316693cc1cc32aaf8f9", "kind": "equivalent", "version": "11.13", "label": "11.13", "title": "Fix PREPARE TRANSACTION to check correctly for conflicting session-lifespan and transaction-lifespan locks", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}, "url": "/docs/compare/?release=11.13#11.13-c71705a558a8186d", "source_url": "/docs/release/11.13/#id-1.11.6.14.5"}, {"db_id": "3edde841acacd6ac0b911b5b7439eb05", "kind": "equivalent", "version": "10.18", "label": "10.18", "title": "Fix PREPARE TRANSACTION to check correctly for conflicting session-lifespan and transaction-lifespan locks", "evidence": {"same_day": true, "patch_ids": ["89e8956ee16dd6130b65127c48f96e41"], "statement_hash": "edcb169c6e36c5f2d292db8ee2997bef5e9fba2b82b4ee7487e1817d26f5646d"}, "url": "/docs/compare/?release=10.18#10.18-c71705a558a8186d", "source_url": "/docs/release/10.18/#id-1.11.6.10.5"}]}, {"id": "9.6.23-b26b3ed772b57518", "cves": [], "html": "Fix misbehavior of DROP OWNED BY when the target role is listed more than once in an RLS policy (Tom Lane)
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\nNotably, this fixes some cases where it was necessary to be a superuser to use DROP OWNED BY.
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", "text": "Prevent integer overflows in array subscripting calculations (Tom Lane) The array code previously did not complain about cases where an array's lower bound plus length overflows an integer. This resulted in later entries in the array becoming inaccessible (since their subscripts could not be written as integers), but more importantly it confused subsequent assignment operations. This could lead to memory overwrites, with ensuing crashes or unwanted data modifications. (CVE-2021-32027)", "title": "Prevent integer overflows in array subscripting calculations", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.22/#AEN132280", "source_hash": "856557dd7828c99ca88ed449e53b4cefaf960e88ffa5ec39824ad8b1e8271fd4", "section_path": ["Changes"], "commit_groups": [["06bfbe854", "0c1caa48d", "2fb809d3e", "3b0f6a7ae", "467395bfd", "f02b9085a"]], "identity_text": "Prevent integer overflows in array subscripting calculations (Tom Lane) The array code previously did not complain about cases where an array's lower bound plus length overflows an integer. This resulted in later entries in the array becoming inaccessible (since their subscripts could not be written as integers), but more importantly it confused subsequent assignment operations. This could lead to memory overwrites, with ensuing crashes or unwanted data modifications. (CVE-2021-32027)", "commit_aliases": ["06bfbe854", "0c1caa48d", "2fb809d3e", "3b0f6a7ae", "467395bfd", "f02b9085a"], "source_commits": ["0c1caa48d"], "source_entry_id": "9.6.22/changes/001", "db_id": "4666021688be3025a677f523ae0c8c60", "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e", "relations": [{"rule": 2, "type": "equivalent", "target": "585fcef5c692b598ea6a152292683b72", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}}, {"rule": 2, "type": "equivalent", "target": "7319e67c7fec827a36de6818c38d93d2", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}}, {"rule": 2, "type": "equivalent", "target": "c8963e580f988547350ccc8ce6625481", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}}, {"rule": 2, "type": "equivalent", "target": "e4fdf746e5ec58e73f25f64763b1d119", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}}], "version": "9.6.22", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "c8963e580f988547350ccc8ce6625481", "kind": "equivalent", "version": "13.3", "label": "13.3", "title": "Prevent integer overflows in array subscripting calculations", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}, "url": "/docs/compare/?release=13.3#13.3-662fbe650093c58f", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}, {"db_id": "e4fdf746e5ec58e73f25f64763b1d119", "kind": "equivalent", "version": "12.7", "label": "12.7", "title": "Prevent integer overflows in array subscripting calculations", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}, "url": "/docs/compare/?release=12.7#12.7-ac73d078ce65a7fd", "source_url": "/docs/release/12.7/#id-1.11.6.21.5"}, {"db_id": "7319e67c7fec827a36de6818c38d93d2", "kind": "equivalent", "version": "11.12", "label": "11.12", "title": "Prevent integer overflows in array subscripting calculations", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}, "url": "/docs/compare/?release=11.12#11.12-bcea760f2375d254", "source_url": "/docs/release/11.12/#id-1.11.6.15.5"}, {"db_id": "585fcef5c692b598ea6a152292683b72", "kind": "equivalent", "version": "10.17", "label": "10.17", "title": "Prevent integer overflows in array subscripting calculations", "evidence": {"same_day": true, "patch_ids": ["db73052be15292b3bf2d6ac73b599dd7"], "statement_hash": "2e3bb88aaeea703978a5aa4c1677d3c53de4a1c353484fd9ba322845c504673e"}, "url": "/docs/compare/?release=10.17#10.17-bcea760f2375d254", "source_url": "/docs/release/10.17/#id-1.11.6.11.5"}]}, {"id": "9.6.22-afa077a58ef515f6", "cves": ["CVE-2021-32028"], "html": "Fix mishandling of \"junk\" columns in INSERT ... ON CONFLICT ... UPDATE target lists (Tom Lane)
\nIf 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.
\nIn 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)
", "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. (CVE-2021-32028)", "title": "Fix mishandling of \"junk\" columns in INSERT ... ON CONFLICT ... UPDATE target lists", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.22/#AEN132280", "source_hash": "557f22304fdf2782c903d32f2aa29bbe025ec1a75b712a9910cff0f358d2be5f", "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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\nPreviously, 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": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.22/#AEN132280", "source_hash": "08a7e3d89107d8716d9aa3ee490079e967cd5f0e47cd354616234d9e64da6116", "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": ["041f4efd2"], "source_entry_id": "9.6.22/changes/003", "db_id": "043ff6cd519d8bec7a87d4f43ead62c5", "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3", "relations": [{"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"}}, {"rule": 2, "type": "equivalent", "target": "e97862062ce0ecf8f4295eda9e69b3e7", "evidence": {"same_day": true, "patch_ids": ["8ae2e83a5d291ced86d998b1ab7eee63"], "statement_hash": "b7f97fb8d75c806f24e4d3e965f7f5ca6fdcac93de0c9165a1ef89a5462795e3"}}], "version": "9.6.22", "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": "e97862062ce0ecf8f4295eda9e69b3e7", "kind": "equivalent", "version": "12.7", "label": "12.7", "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=12.7#12.7-5aef3b1587010883", "source_url": "/docs/release/12.7/#id-1.11.6.21.5"}, {"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"}]}, {"id": "9.6.22-575b84e58bf87541", "cves": [], "html": "Fix bug with coercing the result of a COLLATE expression to a non-collatable type (Tom Lane)
\nThis 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.
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\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.
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Fix to_char()'s handling of Roman-numeral month format codes with negative intervals (Julien Rouhaud)
Previously, such cases would usually cause a crash.
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\nThis error could cause the quantifier to act non-greedy, that is behave like an {m,n}? quantifier would do in full regular expressions.
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\nThis typically led to a NaN selectivity value, causing assertion failures or strange planner behavior.
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\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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\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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\nA very fast typist could fool the code's file-timestamp-based detection of whether the temporary edit file was changed.
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\nThe target XID is potentially 64 bits wide, but it was parsed with strtoul(), causing misbehavior on platforms where long is 32 bits (such as Windows).
Avoid assertion failure in pg_get_functiondef() when examining a function with a TRANSFORM option (Tom Lane)
In psql, re-allow including a password in a connection_string argument of a \\connect command (Tom Lane)
\nThis used to work, but a recent bug fix caused the password to be ignored (resulting in prompting for a password).
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\n\\help with two argument words failed to find a command description using only the first word, for example \\help reset all should show the help for RESET but did not. Also, \\help often failed to invoke the pager when it should. It also leaked memory.
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"13dd9012ccb980ba0dc19dbfbac853d5d28f338cd1f8e71e056527777c0793aa"}, "url": "/docs/compare/?release=12.5#12.5-66ca83b99f74f9b0", "source_url": "/docs/release/12.5/#id-1.11.6.23.5"}, {"db_id": "c5c358c8bfcf2af40a3f744b066dfe37", "kind": "equivalent", "version": "11.10", "label": "11.10", "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "evidence": {"same_day": true, "patch_ids": ["6bb19578ad8feb3e68071169a6f567c0", "fa0aac08719ba7654ad9ab2529d63d8c"], "statement_hash": "13dd9012ccb980ba0dc19dbfbac853d5d28f338cd1f8e71e056527777c0793aa"}, "url": "/docs/compare/?release=11.10#11.10-108d8c3b8d345eac", "source_url": "/docs/release/11.10/#id-1.11.6.17.5"}, {"db_id": "f99483c0194bc236cd796fb70849abb1", "kind": "equivalent", "version": "10.15", "label": "10.15", "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "evidence": {"same_day": true, "patch_ids": ["6bb19578ad8feb3e68071169a6f567c0", "fa0aac08719ba7654ad9ab2529d63d8c"], "statement_hash": "13dd9012ccb980ba0dc19dbfbac853d5d28f338cd1f8e71e056527777c0793aa"}, "url": "/docs/compare/?release=10.15#10.15-108d8c3b8d345eac", "source_url": "/docs/release/10.15/#id-1.11.6.13.5"}, {"db_id": "bd180bdbb3017b36871742d1753f820f", "kind": "equivalent", "version": "9.5.24", "label": "9.5.24", "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "evidence": {"same_day": true, "patch_ids": ["6bb19578ad8feb3e68071169a6f567c0", "fa0aac08719ba7654ad9ab2529d63d8c"], "statement_hash": "13dd9012ccb980ba0dc19dbfbac853d5d28f338cd1f8e71e056527777c0793aa"}, "url": "/docs/compare/?release=9.5.24#9.5.24-108d8c3b8d345eac", "source_url": "/docs/release/9.5.24/#AEN127471"}]}, {"id": "9.6.20-52aa2871324aa6e9", "cves": ["CVE-2020-25694"], "html": "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)
\nThis 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": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.20/#AEN132588", "source_hash": "521cb0e770601c76687d7eb159b1cbe99f5ea5c2cf7f37a7f0db18415977eb61", "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. (CVE-2020-25694)", "commit_aliases": ["20be76d5c", "2e4af4110", "6997da09a", "8175da6e7", "85c54287a", "870a23230", "f656517ec"], "source_commits": ["870a23230"], "source_entry_id": "9.6.20/changes/003", "db_id": "09d652b358d89152448ded204db7f698", "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af", "relations": [{"rule": 2, "type": "equivalent", "target": "048a4d116a491d8b2e54c00d82075af2", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}}, {"rule": 2, "type": "equivalent", "target": "33dcaa91db9a340ad489a4dab2bf38de", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}}, {"rule": 2, "type": "equivalent", "target": "504ed64a289c20845de663a4c9b24733", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}}, {"rule": 2, "type": "equivalent", "target": "9c07eaa4cc364eeece248d77060d68a6", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}}, {"rule": 2, "type": "equivalent", "target": "eb6bb7847df32de22ae4279f01bac757", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}}], "version": "9.6.20", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "33dcaa91db9a340ad489a4dab2bf38de", "kind": "equivalent", "version": "13.1", "label": "13.1", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}, "url": "/docs/compare/?release=13.1#13.1-f1badba1aaec4ac5", "source_url": "/docs/release/13.1/#id-1.11.6.28.5"}, {"db_id": "504ed64a289c20845de663a4c9b24733", "kind": "equivalent", "version": "12.5", "label": "12.5", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}, "url": "/docs/compare/?release=12.5#12.5-3c25610dd990145e", "source_url": "/docs/release/12.5/#id-1.11.6.23.5"}, {"db_id": "048a4d116a491d8b2e54c00d82075af2", "kind": "equivalent", "version": "11.10", "label": "11.10", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}, "url": "/docs/compare/?release=11.10#11.10-52aa2871324aa6e9", "source_url": "/docs/release/11.10/#id-1.11.6.17.5"}, {"db_id": "9c07eaa4cc364eeece248d77060d68a6", "kind": "equivalent", "version": "10.15", "label": "10.15", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}, "url": "/docs/compare/?release=10.15#10.15-52aa2871324aa6e9", "source_url": "/docs/release/10.15/#id-1.11.6.13.5"}, {"db_id": "eb6bb7847df32de22ae4279f01bac757", "kind": "equivalent", "version": "9.5.24", "label": "9.5.24", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "evidence": {"same_day": true, "patch_ids": ["f12917222401547fc494ff9ed23244f8"], "statement_hash": "c429c25e5fedc5fe9b57bbe1c06653278c0be6639212de7e0e29caca1239c8af"}, "url": "/docs/compare/?release=9.5.24#9.5.24-52aa2871324aa6e9", "source_url": "/docs/release/9.5.24/#AEN127471"}]}, {"id": "9.6.20-7dc4e1c329885bcc", "cves": ["CVE-2020-25696"], "html": "Prevent psql's \\gset command from modifying specially-treated variables (Noah Misch)
\n\\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.
\nThe 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. (CVE-2020-25696)", "title": "Prevent psql's \\gset command from modifying specially-treated variables", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.20/#AEN132588", "source_hash": "22574e8d3f43dc2f6c39ea9b126d9d0921b55fd6c77a7fd42a9f557e7e78e0b1", "section_path": ["Changes"], "commit_groups": [["098fb0079", "12fd81cb7", "3855e5b47", "67029845b", "7b356c78f", "a498db87b", "a54dfbee1"]], "identity_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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\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)
", "text": "Make contrib modules' installation scripts more secure (Tom Lane) Attacks 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. 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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 mis-handling of NaN inputs during parallel aggregation on numeric-type columns (Tom Lane)
\nIf 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).
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\nWhile functionally harmless, this led to useless WAL traffic when checksums are enabled or wal_log_hints is on.
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\nThis 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.
", "text": "Fix failure of some code paths to acquire the correct lock before modifying pg_control (Nathan Bossart, Fujii Masao) 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.", "title": "Fix failure of some code paths to acquire the correct lock before modifying pg_control", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.19/#AEN132777", "source_hash": "696f813620c099c3552b03daac0e6b5269e53a9f6ab482efbdb6fa7b8b92f9a6", "section_path": ["Changes"], "commit_groups": [["09dc17486", "48eb6a3c8", "57cb80630", "644cac32a", "72766ad63", "acefa2cca", "fd11b842e"]], "identity_text": "Fix failure of some code paths to acquire the correct lock before modifying pg_control (Nathan Bossart, Fujii Masao) 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.", "commit_aliases": ["09dc17486", "48eb6a3c8", "57cb80630", "644cac32a", "72766ad63", "acefa2cca", "fd11b842e"], "source_commits": ["644cac32a"], "source_entry_id": "9.6.19/changes/013", "db_id": "bd811e0b3435a1c993681d54b70f3910", "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02", "relations": [{"rule": 2, "type": "equivalent", "target": "433e4a2cc9e4f98815c5c9d4a2bde523", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}}, {"rule": 2, "type": "equivalent", "target": "7243515f84270761166407e65daa9451", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}}, {"rule": 2, "type": "equivalent", "target": "9d62bcac7998b528e307d472fe674a0e", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}}, {"rule": 2, "type": "equivalent", "target": "e24da9b240d6a97b8a81f152cb9fb97e", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}}], "version": "9.6.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "e24da9b240d6a97b8a81f152cb9fb97e", "kind": "equivalent", "version": "12.4", "label": "12.4", "title": "Fix failure of some code paths to acquire the correct lock before modifying pg_control", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}, "url": "/docs/compare/?release=12.4#12.4-39f524ab36db0b02", "source_url": "/docs/release/12.4/#id-1.11.6.24.5"}, {"db_id": "433e4a2cc9e4f98815c5c9d4a2bde523", "kind": "equivalent", "version": "11.9", "label": "11.9", "title": "Fix failure of some code paths to acquire the correct lock before modifying pg_control", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}, "url": "/docs/compare/?release=11.9#11.9-3f007e2c6afec816", "source_url": "/docs/release/11.9/#id-1.11.6.18.5"}, {"db_id": "7243515f84270761166407e65daa9451", "kind": "equivalent", "version": "10.14", "label": "10.14", "title": "Fix failure of some code paths to acquire the correct lock before modifying pg_control", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}, "url": "/docs/compare/?release=10.14#10.14-3f007e2c6afec816", "source_url": "/docs/release/10.14/#id-1.11.6.14.5"}, {"db_id": "9d62bcac7998b528e307d472fe674a0e", "kind": "equivalent", "version": "9.5.23", "label": "9.5.23", "title": "Fix failure of some code paths to acquire the correct lock before modifying pg_control", "evidence": {"same_day": true, "patch_ids": ["d7a107aa9b62c095395a4ad42a44eebc"], "statement_hash": "939d569f3741be6f7269da9408c893507c52e3d0581d2670eecf58bf95c87a02"}, "url": "/docs/compare/?release=9.5.23#9.5.23-3f007e2c6afec816", "source_url": "/docs/release/9.5.23/#AEN127655"}]}, {"id": "9.6.19-cd85221858cdea3e", "cves": [], "html": "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": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.19/#AEN132777", "source_hash": "d190ec2582ddf2e149472c71d5f1f61d48772b832eb4e83175601e1a662ae904", "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": ["e2fa9732f", "e786be5fc"], "source_entry_id": "9.6.19/changes/014", "db_id": "4b9438976fc11a64def60e2e14c652c8", "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e", "relations": [{"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": "70795be678e21023800cb9753e241fd3", "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": "9.6.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "70795be678e21023800cb9753e241fd3", "kind": "equivalent", "version": "12.4", "label": "12.4", "title": "Fix errors in currtid() and currtid2()", "evidence": {"same_day": true, "patch_ids": ["27b2dcabf26eaf1c7674e7a13a96398d", "a7dea211061f215b8cdf044872714d4f"], "statement_hash": "7316ade9ee367fcf2766788a37169597556db8ce5091e1b5b0ac0124f9dc2c1e"}, "url": "/docs/compare/?release=12.4#12.4-9851c4fef48f4afb", "source_url": "/docs/release/12.4/#id-1.11.6.24.5"}, {"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": "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": "9.6.19-354be099729e147e", "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.
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\nSome code paths could produce silly reports like \"could not write file: Success\".
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", "text": "Fix pg_recvlogical to drain pending messages before exiting (Noah Misch) Without this, the replication sender might detect a send failure and exit without making the expected final update to the replication slot's LSN position. That led to re-transmitting data after the next connection. It was also possible to miss error messages sent after the last data that pg_recvlogical wants to consume.", "title": "Fix pg_recvlogical to drain pending messages before exiting", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.19/#AEN132777", "source_hash": "b048d1038f01f0c0e99a0a9dbb590ba23f10975cb5f7a34f206721aadcf9f29f", "section_path": ["Changes"], "commit_groups": [["1ab5b672e", "595b4115c", "73a5c0d81", "970ed4493", "a26789452", "cee9cadb5"], ["357012e17", "7130be8aa", "8222a9d9a", "a28db2081"]], "identity_text": "Fix pg_recvlogical to drain pending messages before exiting (Noah Misch) Without this, the replication sender might detect a send failure and exit without making the expected final update to the replication slot's LSN position. That led to re-transmitting data after the next connection. 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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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\nWith 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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\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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\nThis condition is legitimately reachable in various scenarios, so remove the check.
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\nThis could result in a walsender later becoming stuck waiting for the lock.
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\nDuring a change in the synchronous_standby_names setting, there was a window in which wrong decisions could be made about whether it is OK to release transactions that are waiting for synchronous commit. Another hazard for similarly wrong decisions existed if a walsender process exited and was immediately replaced by another.
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ensure that sub-transactions are correctly accounted for when reconstructing a snapshot (Masahiko Sawada)
\nThis error leads to assertion failures; it's unclear whether any bad effects exist in production builds.
", "text": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot (Masahiko Sawada) This error leads to assertion failures; it's unclear whether any bad effects exist in production builds.", "title": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.16/#AEN133252", "source_hash": "e863bca5d99e1fa12bfeefb9cab1242196fdbd5c1b039223829f68094dc94b56", "section_path": ["Changes"], "commit_groups": [["41f3d2626", "4f7dbf0ef", "7110f5c37", "96b5033e1", "ae4305f6d", "bac2fae05", "e8c7f40a1"]], "identity_text": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot (Masahiko Sawada) This error leads to assertion failures; it's unclear whether any bad effects exist in production builds.", "commit_aliases": ["41f3d2626", "4f7dbf0ef", "7110f5c37", "96b5033e1", "ae4305f6d", "bac2fae05", "e8c7f40a1"], "source_commits": ["ae4305f6d"], "source_entry_id": "9.6.16/changes/018", "db_id": "308e8ab67fc3974e5084f6aaa6b32c05", "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877", "relations": [{"rule": 2, "type": "equivalent", "target": "847bd0659d336f51389845f32708b1d5", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}}, {"rule": 2, "type": "equivalent", "target": "89557742c12809d014ad8c2b12d791fc", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}}, {"rule": 2, "type": "equivalent", "target": "b086d67e28041e0fc0f494c505cb6831", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}}, {"rule": 2, "type": "equivalent", "target": "c07a34db8f6cc31294fe8e4cb76242d0", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}}], "version": "9.6.16", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b086d67e28041e0fc0f494c505cb6831", "kind": "equivalent", "version": "11.6", "label": "11.6", "title": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}, "url": "/docs/compare/?release=11.6#11.6-1e149c1d850251ba", "source_url": "/docs/release/11.6/#id-1.11.6.21.5"}, {"db_id": "c07a34db8f6cc31294fe8e4cb76242d0", "kind": "equivalent", "version": "10.11", "label": "10.11", "title": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}, "url": "/docs/compare/?release=10.11#10.11-1e149c1d850251ba", "source_url": "/docs/release/10.11/#id-1.11.6.17.5"}, {"db_id": "89557742c12809d014ad8c2b12d791fc", "kind": "equivalent", "version": "9.5.20", "label": "9.5.20", "title": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}, "url": "/docs/compare/?release=9.5.20#9.5.20-1e149c1d850251ba", "source_url": "/docs/release/9.5.20/#AEN128082"}, {"db_id": "847bd0659d336f51389845f32708b1d5", "kind": "equivalent", "version": "9.4.25", "label": "9.4.25", "title": "In logical decoding, ensure that sub-transactions are correctly accounted for when reconstructing a snapshot", "evidence": {"same_day": true, "patch_ids": ["fedd14b16b61b06734d4f9b28bfc73c9"], "statement_hash": "f92c06454d4721287e52c538bb94202f5d912046aa15d37effc654899bd7b877"}, "url": "/docs/compare/?release=9.4.25#9.4.25-1e149c1d850251ba", "source_url": "/docs/release/9.4.25/#AEN119951"}]}, {"id": "9.6.16-eb3c21f292fb993b", "cves": [], "html": "Fix race condition during backend exit, when the backend process has previously waited for synchronous replication to occur (Dongming Liu)
", "text": "Fix race condition during backend exit, when the backend process has previously waited for synchronous replication to occur (Dongming Liu)", "title": "Fix race condition during backend exit, when the backend process has previously waited for synchronous replication to occur", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.16/#AEN133252", "source_hash": "c8b5e913b7f89a5d1b3c05235b26dd9508078b396430feef4e73ef5cf7cfbfcc", "section_path": ["Changes"], "commit_groups": [["0927d0c25", "20345197f", "52684bc7d", "61f238392", "7b8c2de64", "b99bfc3c9", "f88f7206e"]], "identity_text": "Fix race condition during backend exit, when the backend process has previously waited for synchronous replication to occur (Dongming Liu)", "commit_aliases": ["0927d0c25", "20345197f", "52684bc7d", "61f238392", "7b8c2de64", "b99bfc3c9", "f88f7206e"], "source_commits": ["52684bc7d"], "source_entry_id": "9.6.16/changes/019", "db_id": 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\nALTER SYSTEM itself will not generate such a state, but external tools that modify postgresql.auto.conf could do so. Duplicate entries for the target variable will now be removed, and then the new setting (if any) will be appended at the end.
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", "text": "Avoid logging complaints about abandoned connections when using PAM authentication (Tom Lane) libpq-based clients will typically make two connection attempts when a password is required, since they don't prompt their user for a password until their first connection attempt fails. Therefore the server is coded not to generate useless log spam when a client closes the connection upon being asked for a password. 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", "text": "Fix some cases where an incomplete date specification is not detected in time with time zone input (Alexander Lakhin) If a time zone with a time-varying UTC offset is specified, then a date must be as well, so that the offset can be resolved. Depending on the syntax used, this check was not enforced in some cases, allowing bogus output to be produced.", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.16/#AEN133252", "source_hash": "c5e0a07bd5c21d8a6593abab8f24e9f69fd8b20129849a240a514e5cd71ed0cf", "section_path": ["Changes"], "commit_groups": [["1ba4d0fe4", "1de3e0589", "1f7943698", "64579be64", "7c64a2cd9", "d16d241a5", "d8652ec55"]], "identity_text": "Fix some cases where an incomplete date specification is not detected in time with time zone input (Alexander Lakhin) If a time zone with a time-varying UTC offset is specified, then a date must be as well, so that the offset can be resolved. Depending on the syntax used, this check was not enforced in some cases, allowing bogus output to be produced.", "commit_aliases": ["1ba4d0fe4", "1de3e0589", "1f7943698", "64579be64", "7c64a2cd9", "d16d241a5", "d8652ec55"], "source_commits": ["7c64a2cd9"], "source_entry_id": "9.6.16/changes/023", "db_id": "2a9e62be3ffc7276d860702b4081ff5c", "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177", "relations": [{"rule": 2, "type": "equivalent", "target": "2bfe1ef2301830504e90b8803a43ae0e", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}, {"rule": 2, "type": "equivalent", "target": "79937d972cd7886d0feafdfde64f0c08", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}, {"rule": 2, "type": "equivalent", "target": "9d5359b840004ae92038794c6995b394", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}, {"rule": 2, "type": "equivalent", "target": "9e914978d794c368b7a8e1ac8993679b", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}}], "version": "9.6.16", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9d5359b840004ae92038794c6995b394", "kind": "equivalent", "version": "11.6", "label": "11.6", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=11.6#11.6-9ca34b46a8591f3c", "source_url": "/docs/release/11.6/#id-1.11.6.21.5"}, {"db_id": "2bfe1ef2301830504e90b8803a43ae0e", "kind": "equivalent", "version": "10.11", "label": "10.11", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=10.11#10.11-9ca34b46a8591f3c", "source_url": "/docs/release/10.11/#id-1.11.6.17.5"}, {"db_id": "79937d972cd7886d0feafdfde64f0c08", "kind": "equivalent", "version": "9.5.20", "label": "9.5.20", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=9.5.20#9.5.20-9ca34b46a8591f3c", "source_url": "/docs/release/9.5.20/#AEN128082"}, {"db_id": "9e914978d794c368b7a8e1ac8993679b", "kind": "equivalent", "version": "9.4.25", "label": "9.4.25", "title": "Fix some cases where an incomplete date specification is not detected in time with time zone input", "evidence": {"same_day": true, "patch_ids": ["60b8906e95f2b04ca4609706bcd142e7"], "statement_hash": "8a5ba70e7778132d1f23c29ec28daa30ca990282407e3208cceff830bdab2177"}, "url": "/docs/compare/?release=9.4.25#9.4.25-9ca34b46a8591f3c", "source_url": "/docs/release/9.4.25/#AEN119951"}]}, {"id": "9.6.16-5a5893e40f010ae4", "cves": [], "html": "Fix misbehavior of bitshiftright() (Tom Lane)
The bitstring right shift operator failed to zero out padding space that exists in the last byte of the result when the bitstring length is not a multiple of 8. While invisible to most operations, any nonzero bits there would result in unexpected comparison behavior, since bitstring comparisons don't bother to ignore the extra bits, expecting them to always be zero.
\nIf you have inconsistent data as a result of saving the output of bitshiftright() in a table, it's possible to fix it with something like
UPDATE mytab SET bitcol = ~(~bitcol) WHERE bitcol != ~(~bitcol);\n", "text": "Fix misbehavior of bitshiftright() (Tom Lane) The bitstring right shift operator failed to zero out padding space that exists in the last byte of the result when the bitstring length is not a multiple of 8. While invisible to most operations, any nonzero bits there would result in unexpected comparison behavior, since bitstring comparisons don't bother to ignore the extra bits, expecting them to always be zero. If you have inconsistent data as a result of saving the output of bitshiftright() in a table, it's possible to fix it with something like UPDATE mytab SET bitcol = ~(~bitcol) WHERE bitcol != ~(~bitcol);", "title": "Fix misbehavior of bitshiftright()", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.16/#AEN133252", "source_hash": "7fd4821162c36467b60dae2c5e409b4a27870213b490f6e1ed7fa58b4cc8f53c", "section_path": ["Changes"], "commit_groups": [["096d34c3b", "35eb13270", "5ac0d9360", "6ddd164aa", "7e7abed05", "860216efa", "8a17afe84"], ["30e5b3bbe", "61aa9f544", "6c3b6406d", "8b77f783b", "9faa9794f", "b6a6c129f", "b8ddf0bdf"]], "identity_text": "Fix misbehavior of bitshiftright() (Tom Lane) The bitstring right shift operator failed to zero out padding space that exists in the last byte of the result when the bitstring length is not a multiple of 8. 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Fix detection of edge-case integer overflow in interval multiplication (Yuya Watari)
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\nA clause like array_column <@ constant_array is considered indexable, but the index search may not find empty array values; of course, such entries should trivially match the search.
\nThe only practical back-patchable fix for this requires making <@ index searches scan the whole index, which is what this patch does. This is unfortunate: it means that the query performance is likely worse than a plain sequential scan would be.
\nApplications whose performance is adversely impacted by this change have a couple of options. They could switch to a GIN index, which doesn't have this bug, or they could replace array_column <@ constant_array with array_column <@ constant_array AND array_column && constant_array. That will provide about the same performance as before, and it will find all non-empty subsets of the given constant array, which is all that could reliably be expected of the query before.
", "text": "Fix contrib/intarray's GiST opclasses to not fail for empty arrays with <@ (Tom Lane) A clause like array_column <@ constant_array is considered indexable, but the index search may not find empty array values; of course, such entries should trivially match the search. The only practical back-patchable fix for this requires making <@ index searches scan the whole index, which is what this patch does. This is unfortunate: it means that the query performance is likely worse than a plain sequential scan would be. Applications whose performance is adversely impacted by this change have a couple of options. They could switch to a GIN index, which doesn't have this bug, or they could replace array_column <@ constant_array with array_column <@ constant_array AND array_column && constant_array. That will provide about the same performance as before, and it will find all non-empty subsets of the given constant array, which is all that could reliably be expected of the query before.", "title": "Fix contrib/intarray's GiST opclasses to not fail for empty arrays with <@", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.16/#AEN133252", "source_hash": "5b20dde1a7286d20e4b65e8f835c9e3d40171c2337a7e5da3780ff30e1b07fb8", "section_path": ["Changes"], "commit_groups": [["113b3d903", "2f76f4182", "5b3e6c13f", "614119d00", "ced272d2d", "e519eded6", "efc77cf5f"]], "identity_text": "Fix contrib/intarray's GiST opclasses to not fail for empty arrays with <@ (Tom Lane) A clause like array_column <@ constant_array is considered indexable, but the index search may not find empty array values; of course, such entries should trivially match the search. The only practical back-patchable fix for this requires making <@ index searches scan the whole index, which is what this patch does. This is unfortunate: it means that the query performance is likely worse than a plain sequential scan would be. Applications whose performance is adversely impacted by this change have a couple of options. They could switch to a GIN index, which doesn't have this bug, or they could replace array_column <@ constant_array with array_column <@ constant_array AND array_column && constant_array. 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\nNormally, if a table's primary key column(s) are included in GROUP BY, it's safe to drop any other grouping columns, since the primary key columns are enough to make the groups unique. This rule does not work if the query is also reading inheritance child tables, though; the parent's uniqueness does not extend to the children.
", "text": "Don't optimize away GROUP BY columns when the table involved is an inheritance parent (David Rowley) Normally, if a table's primary key column(s) are included in GROUP BY, it's safe to drop any other grouping columns, since the primary key columns are enough to make the groups unique. This rule does not work if the query is also reading inheritance child tables, though; the parent's uniqueness does not extend to the children.", "title": "Don't optimize away GROUP BY columns when the table involved is an inheritance parent", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.15/#AEN133502", "source_hash": "f4f87d7cf8c9feda9dab4ec1ea35646e3a51a983e2abec24933e365bd6ea6a8d", "section_path": ["Changes"], "commit_groups": [["0cce43a71", "133f5ae21", "232019b79", "388d05a5e", "a5be4062f"]], "identity_text": "Don't optimize away GROUP BY columns when the table involved is an inheritance parent (David Rowley) Normally, if a table's primary key column(s) are included in GROUP BY, it's safe to drop any other grouping columns, since the primary key columns are enough to make the groups unique. This rule does not work if the query is also reading inheritance child tables, though; the parent's uniqueness does not extend to the children.", "commit_aliases": ["0cce43a71", "133f5ae21", "232019b79", "388d05a5e", "a5be4062f"], "source_commits": ["388d05a5e"], "source_entry_id": "9.6.15/changes/003", "db_id": "d698ff7be2278e6c617a89ffa04c1ec3", "patch_ids": ["1650b13cb9a86bb00d51af688c7643d0"], "statement_hash": "2689110888ae1ef0c5808367c502a208c2428da7f4c94bef2a0cb3131a3c6538", "relations": [{"rule": 2, "type": "equivalent", "target": "3af8b0d644148d238bea793f6d1861a8", "evidence": {"same_day": true, "patch_ids": ["1650b13cb9a86bb00d51af688c7643d0"], "statement_hash": "2689110888ae1ef0c5808367c502a208c2428da7f4c94bef2a0cb3131a3c6538"}}, {"rule": 2, "type": "equivalent", "target": "5d7245e67a13b4a2e9b7e3e2adf70cfd", "evidence": {"same_day": true, "patch_ids": ["1650b13cb9a86bb00d51af688c7643d0"], "statement_hash": "2689110888ae1ef0c5808367c502a208c2428da7f4c94bef2a0cb3131a3c6538"}}], "version": "9.6.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "5d7245e67a13b4a2e9b7e3e2adf70cfd", "kind": "equivalent", "version": "11.5", "label": "11.5", "title": "Don't optimize away GROUP BY columns when the table involved is an inheritance parent", "evidence": {"same_day": true, "patch_ids": ["1650b13cb9a86bb00d51af688c7643d0"], "statement_hash": "2689110888ae1ef0c5808367c502a208c2428da7f4c94bef2a0cb3131a3c6538"}, "url": "/docs/compare/?release=11.5#11.5-debbf08f282ef92e", "source_url": "/docs/release/11.5/#id-1.11.6.22.5"}, {"db_id": "3af8b0d644148d238bea793f6d1861a8", "kind": "equivalent", "version": "10.10", "label": "10.10", "title": "Don't optimize away GROUP BY columns when the table involved is an inheritance parent", "evidence": {"same_day": true, "patch_ids": ["1650b13cb9a86bb00d51af688c7643d0"], "statement_hash": "2689110888ae1ef0c5808367c502a208c2428da7f4c94bef2a0cb3131a3c6538"}, "url": "/docs/compare/?release=10.10#10.10-debbf08f282ef92e", "source_url": "/docs/release/10.10/#id-1.11.6.18.5"}]}, {"id": "9.6.15-435b6422e8cad03a", "cves": [], "html": "Avoid using unnecessary sort steps for some queries with GROUPING SETS (Andrew Gierth, Richard Guo)
", "text": "Avoid using unnecessary sort steps for some queries with GROUPING SETS (Andrew Gierth, Richard Guo)", "title": "Avoid using unnecessary sort steps for some queries with GROUPING SETS", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.15/#AEN133502", "source_hash": "60db142764cdabb9c61aee898b79c24f78c04ff84dbac1367748fdf2cc1e89c2", "section_path": ["Changes"], "commit_groups": [["05dc5f476", "4a36c7715", "793eb94e3", "a1637caee", "da53be23d"]], "identity_text": "Avoid using unnecessary sort steps for some queries with GROUPING SETS (Andrew Gierth, Richard Guo)", "commit_aliases": ["05dc5f476", "4a36c7715", "793eb94e3", "a1637caee", "da53be23d"], "source_commits": ["793eb94e3"], "source_entry_id": "9.6.15/changes/004", "db_id": "b379a4d94b14817bdc156d57edb5487b", "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515", "relations": [{"rule": 2, "type": "equivalent", "target": "7bf72be70b5027f16e1dc604fe2d36d1", "evidence": {"same_day": true, "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515"}}, {"rule": 2, "type": "equivalent", "target": "aca8ce87760950b6cec302c3f2aa05cd", "evidence": {"same_day": true, "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515"}}, {"rule": 2, "type": "equivalent", "target": "c1d21675549f456e6f8172319ff52b23", "evidence": {"same_day": true, "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515"}}], "version": "9.6.15", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c1d21675549f456e6f8172319ff52b23", "kind": "equivalent", "version": "11.5", "label": "11.5", "title": "Avoid using unnecessary sort steps for some queries with GROUPING SETS", "evidence": {"same_day": true, "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515"}, "url": "/docs/compare/?release=11.5#11.5-435b6422e8cad03a", "source_url": "/docs/release/11.5/#id-1.11.6.22.5"}, {"db_id": "aca8ce87760950b6cec302c3f2aa05cd", "kind": "equivalent", "version": "10.10", "label": "10.10", "title": "Avoid using unnecessary sort steps for some queries with GROUPING SETS", "evidence": {"same_day": true, "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515"}, "url": "/docs/compare/?release=10.10#10.10-435b6422e8cad03a", "source_url": "/docs/release/10.10/#id-1.11.6.18.5"}, {"db_id": "7bf72be70b5027f16e1dc604fe2d36d1", "kind": "equivalent", "version": "9.5.19", "label": "9.5.19", "title": "Avoid using unnecessary sort steps for some queries with GROUPING SETS", "evidence": {"same_day": true, "patch_ids": ["9b0b0afd1a9ed387cd3721101e8fcb75"], "statement_hash": "95fa91a68d33f1db4e9c9d1158bde37ddef4f1ab205fe884335eef65f5698515"}, "url": "/docs/compare/?release=9.5.19#9.5.19-435b6422e8cad03a", "source_url": "/docs/release/9.5.19/#AEN128323"}]}, {"id": "9.6.15-172682689722fe64", "cves": [], "html": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint (Tom Lane)
\nALTER TABLE could make an incorrect decision about whether revalidation of a foreign key is necessary, if not all columns of the key are of the same type. It seems likely that the error would always have been in the conservative direction, that is revalidating unnecessarily.
", "text": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint (Tom Lane) ALTER TABLE could make an incorrect decision about whether revalidation of a foreign key is necessary, if not all columns of the key are of the same type. It seems likely that the error would always have been in the conservative direction, that is revalidating unnecessarily.", "title": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.15/#AEN133502", "source_hash": "763b4c728bf503c95a667ae199b76e22ba0797780e01ebf86d9a1be7b9343cec", "section_path": ["Changes"], "commit_groups": [["3093eb2b8", "46e2a18d0", "583025c3c", "67bd6adcb", "a6e7eb42d", "e0d13dc6f", "f9208f246"]], "identity_text": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint (Tom Lane) ALTER TABLE could make an incorrect decision about whether revalidation of a foreign key is necessary, if not all columns of the key are of the same type. It seems likely that the error would always have been in the conservative direction, that is revalidating unnecessarily.", "commit_aliases": ["3093eb2b8", "46e2a18d0", "583025c3c", "67bd6adcb", "a6e7eb42d", "e0d13dc6f", "f9208f246"], "source_commits": ["a6e7eb42d"], "source_entry_id": "9.6.15/changes/005", "db_id": "547a9e601081a21eba115551e7181b39", "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0", "relations": [{"rule": 2, "type": "equivalent", "target": "540cf144bc454fe55e5093cc306867d3", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}}, {"rule": 2, "type": "equivalent", "target": "8df47d5cf36018f32aeb1d09d5b455df", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}}, {"rule": 2, "type": "equivalent", "target": "b7fd32db17d9c47e575183542eccac90", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}}, {"rule": 2, "type": "equivalent", "target": "c6739c68f9b1734a690345cfc948c4e4", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}}], "version": "9.6.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "540cf144bc454fe55e5093cc306867d3", "kind": "equivalent", "version": "11.5", "label": "11.5", "title": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}, "url": "/docs/compare/?release=11.5#11.5-172682689722fe64", "source_url": "/docs/release/11.5/#id-1.11.6.22.5"}, {"db_id": "c6739c68f9b1734a690345cfc948c4e4", "kind": "equivalent", "version": "10.10", "label": "10.10", "title": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}, "url": "/docs/compare/?release=10.10#10.10-172682689722fe64", "source_url": "/docs/release/10.10/#id-1.11.6.18.5"}, {"db_id": "8df47d5cf36018f32aeb1d09d5b455df", "kind": "equivalent", "version": "9.5.19", "label": "9.5.19", "title": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}, "url": "/docs/compare/?release=9.5.19#9.5.19-172682689722fe64", "source_url": "/docs/release/9.5.19/#AEN128323"}, {"db_id": "b7fd32db17d9c47e575183542eccac90", "kind": "equivalent", "version": "9.4.24", "label": "9.4.24", "title": "Fix mishandling of multi-column foreign keys when rebuilding a foreign key constraint", "evidence": {"same_day": true, "patch_ids": ["e2182a026bceaaf4b5503fe32395729e"], "statement_hash": "89f3fed3ac2dc8f5b25ba7314fcf4f5db75733178068d72305670139d7e1b3b0"}, "url": "/docs/compare/?release=9.4.24#9.4.24-172682689722fe64", "source_url": "/docs/release/9.4.24/#AEN120159"}]}, {"id": "9.6.15-4bc3eb93d9a24c82", "cves": [], "html": "Avoid spurious deadlock errors when upgrading a tuple lock (Oleksii Kliukin)
\nWhen two or more transactions are waiting for a transaction T1 to release a tuple-level lock, and T1 upgrades its lock to a higher level, a spurious deadlock among the waiting transactions could be reported when T1 finishes.
", "text": "Avoid spurious deadlock errors when upgrading a tuple lock (Oleksii Kliukin) When two or more transactions are waiting for a transaction T1 to release a tuple-level lock, and T1 upgrades its lock to a higher level, a spurious deadlock among the waiting transactions could be reported when T1 finishes.", "title": "Avoid spurious deadlock errors when upgrading a tuple lock", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.15/#AEN133502", "source_hash": "50af1f5c0cbc427c69d18d63add68d97925c22646af5021db3cad55a47f24a1a", "section_path": ["Changes"], "commit_groups": [["0772d8a00", "0ba35c7c9", "5246d3e79", "8b21b416e"]], "identity_text": "Avoid spurious deadlock errors when upgrading a tuple lock (Oleksii Kliukin) When two or more transactions are waiting for a transaction T1 to release a tuple-level lock, and T1 upgrades its lock to a higher level, a spurious deadlock among the waiting transactions could be reported when T1 finishes.", "commit_aliases": ["0772d8a00", "0ba35c7c9", "5246d3e79", "8b21b416e"], "source_commits": ["0ba35c7c9"], "source_entry_id": "9.6.15/changes/006", "db_id": "34647c105adb090adadcf76ddb4f1aa4", "patch_ids": ["5671c5bc9cc942f9d876e5dc6b2b9612"], "statement_hash": "fc22b942de7bb53b68e18d0ffffc29193d0efe75be9fd33e32807fb13c02585c", "relations": [{"rule": 2, "type": "equivalent", "target": "4d3b6b50df223741251b93e16d47f57b", "evidence": {"same_day": true, "patch_ids": ["5671c5bc9cc942f9d876e5dc6b2b9612"], "statement_hash": "fc22b942de7bb53b68e18d0ffffc29193d0efe75be9fd33e32807fb13c02585c"}}, {"rule": 2, "type": "equivalent", "target": "773fdd1f1beadc08d0c1cd60c3a92d4b", "evidence": {"same_day": true, "patch_ids": ["5671c5bc9cc942f9d876e5dc6b2b9612"], "statement_hash": "fc22b942de7bb53b68e18d0ffffc29193d0efe75be9fd33e32807fb13c02585c"}}], "version": "9.6.15", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "4d3b6b50df223741251b93e16d47f57b", "kind": "equivalent", "version": "11.5", "label": "11.5", "title": "Avoid spurious deadlock errors when upgrading a tuple lock", "evidence": {"same_day": true, "patch_ids": ["5671c5bc9cc942f9d876e5dc6b2b9612"], "statement_hash": "fc22b942de7bb53b68e18d0ffffc29193d0efe75be9fd33e32807fb13c02585c"}, "url": "/docs/compare/?release=11.5#11.5-4bc3eb93d9a24c82", "source_url": "/docs/release/11.5/#id-1.11.6.22.5"}, {"db_id": "773fdd1f1beadc08d0c1cd60c3a92d4b", "kind": "equivalent", "version": "10.10", "label": "10.10", "title": "Avoid spurious deadlock errors when upgrading a tuple lock", "evidence": {"same_day": true, "patch_ids": ["5671c5bc9cc942f9d876e5dc6b2b9612"], "statement_hash": "fc22b942de7bb53b68e18d0ffffc29193d0efe75be9fd33e32807fb13c02585c"}, "url": "/docs/compare/?release=10.10#10.10-4bc3eb93d9a24c82", "source_url": "/docs/release/10.10/#id-1.11.6.18.5"}]}, {"id": "9.6.15-a73330a55d1a0225", "cves": [], "html": "Fix failure to resolve deadlocks involving multiple parallel worker processes (Rui Hai Jiang)
\nIt is not clear whether this bug is reachable with non-artificial queries, but if it did happen, the queries involved in an otherwise-resolvable deadlock would block until canceled.
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\nThis error could result in failures like \"cannot read pg_class without having selected a database\".
", "text": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database (Vignesh C, Andres Freund) This error could result in failures like \"cannot read pg_class without having selected a database\".", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.14/#AEN133626", "source_hash": "cc03b84e150e13131d76dd41ba5f9cffacd7c6a63ab680f2e8b0b2d2bc3bcb77", "section_path": ["Changes"], "commit_groups": [["483b2d7ae", "52ad5fc0a", "69f32206d", "b8607e15e", "c01556017", "fff2a7d7b"]], "identity_text": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database (Vignesh C, Andres Freund) This error could result in failures like cannot read pg_class without having selected a database.", "commit_aliases": ["483b2d7ae", "52ad5fc0a", "69f32206d", "b8607e15e", "c01556017", "fff2a7d7b"], "source_commits": ["b8607e15e"], "source_entry_id": "9.6.14/changes/008", "db_id": "93eb49d1a9fa05b38f11502f6653af76", "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7", "relations": [{"rule": 2, "type": "equivalent", "target": "827a6d2e0daa51d02fae5f72e9ed1c60", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}, {"rule": 2, "type": "equivalent", "target": "8a9e52a1d52618e73a157df3f8bb3bec", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}, {"rule": 2, "type": "equivalent", "target": "90744f89a54c75c9d18bbda103670c0b", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}, {"rule": 2, "type": "equivalent", "target": "b0a2c3f14f56fa7697ddbdcfd9782707", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}}], "version": "9.6.14", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b0a2c3f14f56fa7697ddbdcfd9782707", "kind": "equivalent", "version": "11.4", "label": "11.4", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=11.4#11.4-be382d6252dd5084", "source_url": "/docs/release/11.4/#id-1.11.6.23.5"}, {"db_id": "8a9e52a1d52618e73a157df3f8bb3bec", "kind": "equivalent", "version": "10.9", "label": "10.9", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=10.9#10.9-be382d6252dd5084", "source_url": "/docs/release/10.9/#id-1.11.6.19.5"}, {"db_id": "90744f89a54c75c9d18bbda103670c0b", "kind": "equivalent", "version": "9.5.18", "label": "9.5.18", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=9.5.18#9.5.18-be382d6252dd5084", "source_url": "/docs/release/9.5.18/#AEN128426"}, {"db_id": "827a6d2e0daa51d02fae5f72e9ed1c60", "kind": "equivalent", "version": "9.4.23", "label": "9.4.23", "title": "Avoid attempting to do database accesses for parameter checking in processes that are not connected to a specific database", "evidence": {"same_day": true, "patch_ids": ["eb7ca5a3deb1764915b19a4212f1d25e"], "statement_hash": "1a7670883364a8b3a9b3127f168808c3902ef044f9e9a3683497cbacab1e08c7"}, "url": "/docs/compare/?release=9.4.23#9.4.23-be382d6252dd5084", "source_url": "/docs/release/9.4.23/#AEN120257"}]}, {"id": "9.6.14-67f1f3f9da9a2674", "cves": [], "html": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes (David Binderman)
", "text": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes (David Binderman)", "title": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.14/#AEN133626", "source_hash": "10f72050c28b6fbdaea74574e2b1389281e6dbc3e54cb5d9ad410d4fc802005c", "section_path": ["Changes"], "commit_groups": [["0ec3d2ab2", "6b0e9411f", "8eaba0b93", "ddf927fb1", "e3bf3c0f8"]], "identity_text": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes (David Binderman)", "commit_aliases": ["0ec3d2ab2", "6b0e9411f", "8eaba0b93", "ddf927fb1", "e3bf3c0f8"], "source_commits": ["8eaba0b93"], "source_entry_id": "9.6.14/changes/009", "db_id": "15e672bae169e5cd252f630b18a1d999", "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e", "relations": [{"rule": 2, "type": "equivalent", "target": "070be28dd028f1fa3df358e99ae6bb1e", "evidence": {"same_day": true, "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e"}}, {"rule": 2, "type": "equivalent", "target": "79f9916a73bfa81f171c0fe62097cf42", "evidence": {"same_day": true, "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e"}}, {"rule": 2, "type": "equivalent", "target": "9d356c18f9d74f27357cb54c80b03d74", "evidence": {"same_day": true, "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e"}}], "version": "9.6.14", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "070be28dd028f1fa3df358e99ae6bb1e", "kind": "equivalent", "version": "11.4", "label": "11.4", "title": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes", "evidence": {"same_day": true, "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e"}, "url": "/docs/compare/?release=11.4#11.4-67f1f3f9da9a2674", "source_url": "/docs/release/11.4/#id-1.11.6.23.5"}, {"db_id": "79f9916a73bfa81f171c0fe62097cf42", "kind": "equivalent", "version": "10.9", "label": "10.9", "title": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes", "evidence": {"same_day": true, "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e"}, "url": "/docs/compare/?release=10.9#10.9-67f1f3f9da9a2674", "source_url": "/docs/release/10.9/#id-1.11.6.19.5"}, {"db_id": "9d356c18f9d74f27357cb54c80b03d74", "kind": "equivalent", "version": "9.5.18", "label": "9.5.18", "title": "Avoid possible hang in libpq if using SSL and OpenSSL's pending-data buffer contains an exact multiple of 256 bytes", "evidence": {"same_day": true, "patch_ids": ["0ddf689374641b24ad9b32c07a6d3b25"], "statement_hash": "5b71b4978f6a2e1c17c50d9d6ced5eb2c62a34a8526033fd5b36f7dabc1fe80e"}, "url": "/docs/compare/?release=9.5.18#9.5.18-67f1f3f9da9a2674", "source_url": "/docs/release/9.5.18/#AEN128426"}]}, {"id": "9.6.14-d3315b83db12d0f7", "cves": [], "html": "Improve initdb's handling of multiple equivalent names for the system time zone (Tom Lane, Andrew Gierth)
\nMake initdb examine the /etc/localtime symbolic link, if that exists, to break ties between equivalent names for the system time zone. This makes initdb more likely to select the time zone name that the user would expect when multiple identical time zones exist. It will not change the behavior if /etc/localtime is not a symlink to a zone data file, nor if the time zone is determined from the TZ environment variable.
\nSeparately, prefer UTC over other spellings of that time zone, when neither TZ nor /etc/localtime provide a hint. This fixes an annoyance introduced by tzdata 2019a's change to make the UCT and UTC zone names equivalent: initdb was then preferring UCT, which almost nobody wants.
", "text": "Improve initdb's handling of multiple equivalent names for the system time zone (Tom Lane, Andrew Gierth) Make initdb examine the /etc/localtime symbolic link, if that exists, to break ties between equivalent names for the system time zone. This makes initdb more likely to select the time zone name that the user would expect when multiple identical time zones exist. It will not change the behavior if /etc/localtime is not a symlink to a zone data file, nor if the time zone is determined from the TZ environment variable. Separately, prefer UTC over other spellings of that time zone, when neither TZ nor /etc/localtime provide a hint. 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\nSome of the planner's selectivity estimators apply user-defined operators to values found in pg_statistic (e.g., most-common values). A leaky operator therefore can disclose some of the entries in a data column, even if the calling user lacks permission to read that column. In CVE-2017-7484 we added restrictions to forestall that, but we failed to consider the effects of row-level security. A user who has SQL permission to read a column, but who is forbidden to see certain rows due to RLS policy, might still learn something about those rows' contents via a leaky operator. This patch further tightens the rules, allowing leaky operators to be applied to statistics data only when there is no relevant RLS policy. (CVE-2019-10130)
", "text": "Prevent row-level security policies from being bypassed via selectivity estimators (Dean Rasheed) Some of the planner's selectivity estimators apply user-defined operators to values found in pg_statistic (e.g., most-common values). A leaky operator therefore can disclose some of the entries in a data column, even if the calling user lacks permission to read that column. In CVE-2017-7484 we added restrictions to forestall that, but we failed to consider the effects of row-level security. A user who has SQL permission to read a column, but who is forbidden to see certain rows due to RLS policy, might still learn something about those rows' contents via a leaky operator. This patch further tightens the rules, allowing leaky operators to be applied to statistics data only when there is no relevant RLS policy. (CVE-2019-10130)", "title": "Prevent row-level security policies from being bypassed via selectivity estimators", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.13/#AEN133723", "source_hash": "f6c0c6e0beedf73a4f32b73cc8e209fcd112e3ffeccdf650102108d85690ac32", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Prevent row-level security policies from being bypassed via selectivity estimators (Dean Rasheed) Some of the planner's selectivity estimators apply user-defined operators to values found in pg_statistic (e.g., most-common values). A leaky operator therefore can disclose some of the entries in a data column, even if the calling user lacks permission to read that column. In CVE-2017-7484 we added restrictions to forestall that, but we failed to consider the effects of row-level security. A user who has SQL permission to read a column, but who is forbidden to see certain rows due to RLS policy, might still learn something about those rows' contents via a leaky operator. This patch further tightens the rules, allowing leaky operators to be applied to statistics data only when there is no relevant RLS policy. (CVE-2019-10130)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.13/changes/001", "db_id": "7ff539ab31995c0e78fd5d7b1ca6321e", "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7", "relations": [{"rule": 2, "type": "equivalent", "target": "56d6db8446f41023a027932d51f76dad", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7"}}, {"rule": 2, "type": "equivalent", "target": "9bd418a48b41e4825da797ada67a744d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7"}}, {"rule": 2, "type": "equivalent", "target": "a6e3722e8822752f3244d263c67c8c64", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7"}}], "version": "9.6.13", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "9bd418a48b41e4825da797ada67a744d", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Prevent row-level security policies from being bypassed via selectivity estimators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7"}, "url": "/docs/compare/?release=11.3#11.3-6a29898fdbbce659", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "56d6db8446f41023a027932d51f76dad", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Prevent row-level security policies from being bypassed via selectivity estimators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7"}, "url": "/docs/compare/?release=10.8#10.8-6a29898fdbbce659", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "a6e3722e8822752f3244d263c67c8c64", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Prevent row-level security policies from being bypassed via selectivity estimators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "1767df1e8a5f9607827fd44f927fdb996e1e48243654d4cc97590333923d45e7"}, "url": "/docs/compare/?release=9.5.17#9.5.17-6a29898fdbbce659", "source_url": "/docs/release/9.5.17/#AEN128505"}]}, {"id": "9.6.13-2da5f9da2574ed1f", "cves": [], "html": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded (Amit Langote, Tom Lane)
\nIn such cases, the query did not report the correct set of output columns when a RETURNING clause was present, and if there were any statement-level triggers that should be fired, it didn't fire them.
", "text": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded (Amit Langote, Tom Lane) In such cases, the query did not report the correct set of output columns when a RETURNING clause was present, and if there were any statement-level triggers that should be fired, it didn't fire them.", "title": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.13/#AEN133723", "source_hash": "7fafda57a52902b4d2ef54bdeb4cedb0807efb2b16c0f1f9452bd3a303c9be50", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded (Amit Langote, Tom Lane) In such cases, the query did not report the correct set of output columns when a RETURNING clause was present, and if there were any statement-level triggers that should be fired, it didn't fire them.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.13/changes/002", "db_id": "4edff4dcb3f86c70d97c0946ecaf08df", "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5", "relations": [{"rule": 2, "type": "equivalent", "target": "833c5cc5e991b8517824df64c1aa97bf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}}, {"rule": 2, "type": "equivalent", "target": "b368d56b37ac4352bd3ef63c0c0289e8", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}}, {"rule": 2, "type": "equivalent", "target": "bfa3446f770b34d8aa9361f5fab1cb5c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}}, {"rule": 2, "type": "equivalent", "target": "ee33f6a5e3b8f24c278b011a02520dac", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}}], "version": "9.6.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b368d56b37ac4352bd3ef63c0c0289e8", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}, "url": "/docs/compare/?release=11.3#11.3-2da5f9da2574ed1f", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "ee33f6a5e3b8f24c278b011a02520dac", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}, "url": "/docs/compare/?release=10.8#10.8-2da5f9da2574ed1f", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "833c5cc5e991b8517824df64c1aa97bf", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}, "url": "/docs/compare/?release=9.5.17#9.5.17-2da5f9da2574ed1f", "source_url": "/docs/release/9.5.17/#AEN128505"}, {"db_id": "bfa3446f770b34d8aa9361f5fab1cb5c", "kind": "equivalent", "version": "9.4.22", "label": "9.4.22", "title": "Fix behavior for an UPDATE or DELETE on an inheritance tree or partitioned table in which every table can be excluded", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "04270985d752fb6c5f5545b5fa05edecd1190f221b84972e06d714c72cbebdf5"}, "url": "/docs/compare/?release=9.4.22#9.4.22-2da5f9da2574ed1f", "source_url": "/docs/release/9.4.22/#AEN120324"}]}, {"id": "9.6.13-ab2dc2d221976a45", "cves": [], "html": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view (Amit Langote, Dean Rasheed)
\nWhen the updatable view has no default for the column but its underlying table has one, a single-row INSERT ... VALUES will use the underlying table's default. In the multi-row case, however, NULL was always used. Correct it to act like the single-row case.
", "text": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view (Amit Langote, Dean Rasheed) When the updatable view has no default for the column but its underlying table has one, a single-row INSERT ... VALUES will use the underlying table's default. In the multi-row case, however, NULL was always used. Correct it to act like the single-row case.", "title": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.13/#AEN133723", "source_hash": "ef9ea442481cdbcc046a3c0eadf2a540667c4270d04f3803f955edffd5625f49", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view (Amit Langote, Dean Rasheed) When the updatable view has no default for the column but its underlying table has one, a single-row INSERT ... VALUES will use the underlying table's default. In the multi-row case, however, NULL was always used. Correct it to act like the single-row case.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.13/changes/003", "db_id": "a3699f71059e2aa38a985fb9255b5413", "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88", "relations": [{"rule": 2, "type": "equivalent", "target": "0e7f247e2430c5d23f1325380d1bee17", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}}, {"rule": 2, "type": "equivalent", "target": "15b3195c74a53d643ab8b5015da41bf2", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}}, {"rule": 2, "type": "equivalent", "target": "576438ba514bda6624f4fcbc74af1247", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}}, {"rule": 2, "type": "equivalent", "target": "5cc5fd553f73b11f507fe1babd643a03", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}}], "version": "9.6.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "576438ba514bda6624f4fcbc74af1247", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}, "url": "/docs/compare/?release=11.3#11.3-ab2dc2d221976a45", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "15b3195c74a53d643ab8b5015da41bf2", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}, "url": "/docs/compare/?release=10.8#10.8-ab2dc2d221976a45", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "0e7f247e2430c5d23f1325380d1bee17", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}, "url": "/docs/compare/?release=9.5.17#9.5.17-ab2dc2d221976a45", "source_url": "/docs/release/9.5.17/#AEN128505"}, {"db_id": "5cc5fd553f73b11f507fe1babd643a03", "kind": "equivalent", "version": "9.4.22", "label": "9.4.22", "title": "Fix handling of explicit DEFAULT items in an INSERT ... VALUES command with multiple VALUES rows, if the target relation is an updatable view", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a664438a604eb308832fc04e0c1e0c1ad228e82d60c50cefc7cd72566abd88"}, "url": "/docs/compare/?release=9.4.22#9.4.22-ab2dc2d221976a45", "source_url": "/docs/release/9.4.22/#AEN120324"}]}, {"id": "9.6.13-5fe821284d2e2716", "cves": [], "html": "Fix CREATE VIEW to allow zero-column views (Ashutosh Sharma)
\nWe should allow this for consistency with allowing zero-column tables. Since a table can be converted to a view, zero-column views could be created even with the restriction in place, leading to dump/reload failures.
", "text": "Fix CREATE VIEW to allow zero-column views (Ashutosh Sharma) We should allow this for consistency with allowing zero-column tables. Since a table can be converted to a view, zero-column views could be created even with the restriction in place, leading to dump/reload failures.", "title": "Fix CREATE VIEW to allow zero-column views", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.13/#AEN133723", "source_hash": "6a9928f1f7763cd0cb29c2331547d06ed23e1a350a415e7d308a6ec3cd47e0f0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix CREATE VIEW to allow zero-column views (Ashutosh Sharma) We should allow this for consistency with allowing zero-column tables. Since a table can be converted to a view, zero-column views could be created even with the restriction in place, leading to dump/reload failures.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.13/changes/004", "db_id": "bca14bcec41ac40c919b4698939d3e7a", "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74", "relations": [{"rule": 2, "type": "equivalent", "target": "090336ec6d5bd02a548f703772f3ed54", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}}, {"rule": 2, "type": "equivalent", "target": "0ad36899c6cc367ed4b03e73f3a605cd", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}}, {"rule": 2, "type": "equivalent", "target": "11b34e728cf080fc41561fcb4d6ad24f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}}, {"rule": 2, "type": "equivalent", "target": "809afe72287af356ea8f5d551e8473d3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}}], "version": "9.6.13", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0ad36899c6cc367ed4b03e73f3a605cd", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Fix CREATE VIEW to allow zero-column views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}, "url": "/docs/compare/?release=11.3#11.3-5fe821284d2e2716", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "11b34e728cf080fc41561fcb4d6ad24f", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Fix CREATE VIEW to allow zero-column views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}, "url": "/docs/compare/?release=10.8#10.8-5fe821284d2e2716", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "090336ec6d5bd02a548f703772f3ed54", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Fix CREATE VIEW to allow zero-column views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}, "url": "/docs/compare/?release=9.5.17#9.5.17-5fe821284d2e2716", "source_url": "/docs/release/9.5.17/#AEN128505"}, {"db_id": "809afe72287af356ea8f5d551e8473d3", "kind": "equivalent", "version": "9.4.22", "label": "9.4.22", "title": "Fix CREATE VIEW to allow zero-column views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9d8a44c6b03c6c765fc6ca03b1875e81dc8ca03313cefbd60092715a906c0b74"}, "url": "/docs/compare/?release=9.4.22#9.4.22-5fe821284d2e2716", "source_url": "/docs/release/9.4.22/#AEN120324"}]}, {"id": "9.6.13-b7e6020936537064", "cves": [], "html": "Add missing support for CREATE TABLE IF NOT EXISTS ... AS EXECUTE ... (Andreas Karlsson)
\nThe combination of IF NOT EXISTS and EXECUTE should work, but the grammar omitted it.
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\nA fix applied in February's minor releases was not sufficiently careful about backwards compatibility, leading to problems if a standby server of that vintage reads GIN page-deletion WAL records generated by a primary server of a previous minor release.
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The previous change to panic on file synchronization failures turns out to have been excessively paranoid for certain cases where a failure is predictable and essentially means \"operation not supported\".
", "text": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls (Thomas Munro, James Sewell) The previous change to panic on file synchronization failures turns out to have been excessively paranoid for certain cases where a failure is predictable and essentially means \"operation not supported\".", "title": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.13/#AEN133723", "source_hash": "446b5d4a4807141a9a8905234f5b5173022e035d82d641b31ecdb29f66b67cf6", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls (Thomas Munro, James Sewell) The previous change to panic on file synchronization failures turns out to have been excessively paranoid for certain cases where a failure is predictable and essentially means operation not supported.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.13/changes/011", "db_id": "829e28a01e09bf073befb02bbb654052", "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024", "relations": [{"rule": 2, "type": "equivalent", "target": "4675539e238eceda7f6eac2b399194f8", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}}, {"rule": 2, "type": "equivalent", "target": "5f7b4be0047845cd0dca4e2d076df426", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}}, {"rule": 2, "type": "equivalent", "target": "60a3c6f60382c295c24869812f5f21f0", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}}, {"rule": 2, "type": "equivalent", "target": "f449147b771ac77b4c5587d05127b477", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}}], "version": "9.6.13", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f449147b771ac77b4c5587d05127b477", "kind": "equivalent", "version": "11.3", "label": "11.3", "title": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}, "url": "/docs/compare/?release=11.3#11.3-c2ca06b53cf5b207", "source_url": "/docs/release/11.3/#id-1.11.6.24.5"}, {"db_id": "4675539e238eceda7f6eac2b399194f8", "kind": "equivalent", "version": "10.8", "label": "10.8", "title": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}, "url": "/docs/compare/?release=10.8#10.8-c2ca06b53cf5b207", "source_url": "/docs/release/10.8/#id-1.11.6.20.5"}, {"db_id": "5f7b4be0047845cd0dca4e2d076df426", "kind": "equivalent", "version": "9.5.17", "label": "9.5.17", "title": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}, "url": "/docs/compare/?release=9.5.17#9.5.17-c2ca06b53cf5b207", "source_url": "/docs/release/9.5.17/#AEN128505"}, {"db_id": "60a3c6f60382c295c24869812f5f21f0", "kind": "equivalent", "version": "9.4.22", "label": "9.4.22", "title": "Tolerate EINVAL and ENOSYS error results, where appropriate, for fsync and sync_file_range calls", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "15019ec8507d65e8b4c5f4988b1a8f4b7c460d62b13c984eeb4cb52f0d7e5024"}, "url": "/docs/compare/?release=9.4.22#9.4.22-c2ca06b53cf5b207", "source_url": "/docs/release/9.4.22/#AEN120324"}]}, {"id": "9.6.13-8aab9ecb7d39cac1", "cves": [], "html": "Fix \"failed to build any N-way joins\" planner failures with lateral references leading out of FULL outer joins (Tom Lane)
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\nLocalized month or day names that include non-ASCII characters previously caused unexpected errors or wrong output in such locales.
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\nIf both levels of nestloop needed to pass the same variable into their right-hand sides, an incorrect plan would be generated.
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\nThe planner could prefer a merge join when the outer key range is much smaller than the inner key range, even if there are so many duplicate keys on the inner side that this is a poor choice.
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", "text": "When making a PAM authentication request, don't set the PAM_RHOST variable if the connection is via a Unix socket (Thomas Munro) Previously that variable would be set to [local], which is at best unhelpful, since it's supposed to be a host name.", "title": "When making a PAM authentication request, don't set the PAM_RHOST variable if the connection is via a Unix socket", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.12/#AEN133889", "source_hash": "f213a2f75de9b71210f65ab65f6d8ae459685857505e9b10455084eb318f3956", "section_path": ["Changes"], "commit_groups": [["0640d9517", "0f9cdd7dc", "63d835066", "96ed0b870"]], "identity_text": "When making a PAM authentication request, don't set the PAM_RHOST variable if the connection is via a Unix socket (Thomas Munro) Previously that variable would be set to [local], which is at best unhelpful, since it's supposed to be a host name.", "commit_aliases": ["0640d9517", "0f9cdd7dc", "63d835066", "96ed0b870"], "source_commits": ["63d835066"], "source_entry_id": "9.6.12/changes/030", "db_id": "617fef2ed4c2fe46e1d24b0b6b8d64ac", "patch_ids": ["0301ba2e94b667deb5c7d892fdff4bdf"], "statement_hash": "5ebeec1f20af33edad9645088b8b1f67ca3e3f6390737f6581ff21d209737736", "relations": [{"rule": 2, "type": "equivalent", "target": "0d3afc748597de6e131a78e20ddabe6a", "evidence": {"same_day": true, "patch_ids": ["0301ba2e94b667deb5c7d892fdff4bdf"], "statement_hash": "5ebeec1f20af33edad9645088b8b1f67ca3e3f6390737f6581ff21d209737736"}}, {"rule": 2, "type": "equivalent", "target": "f94b97490565b050b57d5e6caba7122c", "evidence": {"same_day": true, "patch_ids": ["0301ba2e94b667deb5c7d892fdff4bdf"], "statement_hash": "5ebeec1f20af33edad9645088b8b1f67ca3e3f6390737f6581ff21d209737736"}}], "version": "9.6.12", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f94b97490565b050b57d5e6caba7122c", "kind": "equivalent", "version": "11.2", "label": "11.2", "title": "When making a PAM authentication request, don't set the PAM_RHOST variable if the connection is via a Unix socket", "evidence": {"same_day": true, "patch_ids": ["0301ba2e94b667deb5c7d892fdff4bdf"], "statement_hash": "5ebeec1f20af33edad9645088b8b1f67ca3e3f6390737f6581ff21d209737736"}, "url": "/docs/compare/?release=11.2#11.2-2fcaf40cb1dfdaa9", "source_url": "/docs/release/11.2/#id-1.11.6.25.5"}, {"db_id": "0d3afc748597de6e131a78e20ddabe6a", "kind": "equivalent", "version": "10.7", "label": "10.7", "title": "When making a PAM authentication request, don't set the PAM_RHOST variable if the connection is via a Unix socket", "evidence": {"same_day": true, "patch_ids": ["0301ba2e94b667deb5c7d892fdff4bdf"], "statement_hash": "5ebeec1f20af33edad9645088b8b1f67ca3e3f6390737f6581ff21d209737736"}, "url": "/docs/compare/?release=10.7#10.7-2fcaf40cb1dfdaa9", "source_url": "/docs/release/10.7/#id-1.11.6.21.5"}]}, {"id": "9.6.12-a849ddac810905c5", "cves": [], "html": "Disallow setting client_min_messages higher than ERROR (Jonah Harris, Tom Lane)
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Since setlocale() is not thread-local, and might not even be thread-safe, the previous coding caused problems in multi-threaded ecpg applications.
Fix incorrect results for numeric data passed through an ecpg SQLDA (SQL Descriptor Area) (Daisuke Higuchi)
\nValues with leading zeroes were not copied correctly.
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\nA cursor that scans multiple relations (particularly an inheritance tree) could produce wrong behavior if rewound to an earlier relation.
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This resulted in hard-to-reproduce crashes or wrong answers in concurrent updates, if they contained code such as an uncorrelated sub-SELECT inside a CASE construct.
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\nThis bug affected full-text-search operations, as well as contrib/ltree and contrib/pg_trgm.
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\nSuch cases could result in inconsistent behavior due to different workers getting different answers, as a result of indeterminacy due to row-ordering variations.
", "text": "Disallow pushing sub-SELECTs containing window functions, LIMIT, or OFFSET to parallel workers (Amit Kapila) Such cases could result in inconsistent behavior due to different workers getting different answers, as a result of indeterminacy due to row-ordering variations.", "title": "Disallow pushing sub-SELECTs containing window functions, LIMIT, or OFFSET to parallel workers", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.11/#AEN134080", "source_hash": "4ed4684b4d9f8f9ad022a2bf9eff7e0d0691662d4c4699bd4b1ed7d62db24769", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Disallow pushing sub-SELECTs containing window functions, LIMIT, or OFFSET to parallel workers (Amit Kapila) Such cases could result in inconsistent behavior due to different workers getting different answers, as a result of indeterminacy due to row-ordering variations.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.11/changes/009", "db_id": "8e375dea66b60eb20b9723f3dcad0742", "patch_ids": [], "statement_hash": "b984fb787a230e4e1e345262f9bcc4ffefbc353709a997aa3b758be367e39ce8", "relations": [{"rule": 2, "type": "equivalent", "target": "2a4a4949032587fed1eade33d28f0250", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b984fb787a230e4e1e345262f9bcc4ffefbc353709a997aa3b758be367e39ce8"}}], "version": "9.6.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "2a4a4949032587fed1eade33d28f0250", "kind": "equivalent", "version": "10.6", "label": "10.6", "title": "Disallow pushing sub-SELECTs containing window functions, LIMIT, or OFFSET to parallel workers", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b984fb787a230e4e1e345262f9bcc4ffefbc353709a997aa3b758be367e39ce8"}, "url": "/docs/compare/?release=10.6#10.6-7792dd89834fda13", "source_url": "/docs/release/10.6/#id-1.11.6.22.5"}]}, {"id": "9.6.11-7e0c3529d9218fe2", "cves": [], "html": "Ensure that sequences owned by a foreign table are processed by ALTER OWNER on the table (Peter Eisentraut)
\nThe ownership change should propagate to such sequences as well, but this was missed for foreign tables.
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Fix memory leak in repeated SP-GiST index scans (Tom Lane)
\nThis is only known to amount to anything significant in cases where an exclusion constraint using SP-GiST receives many new index entries in a single command.
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Previously, the file descriptor was leaked, eventually resulting in failures during logical decoding.
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\nDepending on the setting of archive_mode, a standby might fail to remove some WAL files that could be removed.
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The main practical effect of this change is that it avoids a scenario where initdb might mistakenly conclude that POSIX shared memory is not available, due to name collisions caused by always using the same random seed.
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\nWe don't consider that to be good extension coding practice, but it mostly worked before parallel query, so continue to support it for now.
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\nThis prevents possible misbehavior just after a standby server has reached a consistent database state during WAL replay.
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\nPreviously we were not careful about this, reasoning that the FSM is not critical data anyway. However, if it's sufficiently out of date, that can result in significant performance degradation after a standby has been promoted to primary. The FSM will eventually be healed by updates, but we'd like it to be good sooner, so work harder at maintaining it during WAL replay.
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\nIt's only okay to shut down the executor at this point if the caller cannot demand backwards scan afterwards.
", "text": "Avoid premature release of parallel-query resources when query end or tuple count limit is reached (Amit Kapila) It's only okay to shut down the executor at this point if the caller cannot demand backwards scan afterwards.", "title": "Avoid premature release of parallel-query resources when query end or tuple count limit is reached", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.11/#AEN134080", "source_hash": "b58ccf528270452e3c29843c9dae0931817eac2e9b5545c67f654c003e7dd9aa", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid premature release of parallel-query resources when query end or tuple count limit is reached (Amit Kapila) It's only okay to shut down the executor at this point if the caller cannot demand backwards scan afterwards.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.11/changes/035", "db_id": "8413e70b7f25d61280aeffb579d326d4", "patch_ids": [], "statement_hash": "59419a9c987503f95f78296aba3466051cb5d793fed8ebd2a2b42fe36f5d024c", "relations": [{"rule": 2, "type": "equivalent", "target": "539b922c658cf11bbbc57ac27cf2f4ca", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59419a9c987503f95f78296aba3466051cb5d793fed8ebd2a2b42fe36f5d024c"}}], "version": "9.6.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "539b922c658cf11bbbc57ac27cf2f4ca", "kind": "equivalent", "version": "10.6", "label": "10.6", "title": "Avoid premature release of parallel-query resources when query end or tuple count limit is reached", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59419a9c987503f95f78296aba3466051cb5d793fed8ebd2a2b42fe36f5d024c"}, "url": "/docs/compare/?release=10.6#10.6-6e035e76798a2bdd", "source_url": "/docs/release/10.6/#id-1.11.6.22.5"}]}, {"id": "9.6.11-ca2c48610b4f6d99", "cves": [], "html": "Don't run atexit callbacks when servicing SIGQUIT (Heikki Linnakangas)
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\nIf CREATE USER MAPPING is executed in an extension script, an extension dependency was created for the user mapping, which is unexpected. Roles can't be extension members, so user mappings shouldn't be either.
", "text": "Don't record foreign-server user mappings as members of extensions (Tom Lane) If CREATE USER MAPPING is executed in an extension script, an extension dependency was created for the user mapping, which is unexpected. Roles can't be extension members, so user mappings shouldn't be either.", "title": "Don't record foreign-server user mappings as members of extensions", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.11/#AEN134080", "source_hash": "34e2f07bc450aa3440e0e1481ca0926e9ffe23bb03889f5efc8e5f054b4f3038", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Don't record foreign-server user mappings as members of extensions (Tom Lane) If CREATE USER MAPPING is executed in an extension script, an extension dependency was created for the user mapping, which is unexpected. Roles can't be extension members, so user mappings shouldn't be either.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.11/changes/037", "db_id": "e0f5a0165792bc1302f1deab6215536c", "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a", "relations": [{"rule": 2, "type": "equivalent", "target": "0a3857effe95c5d3d77c35d3b30fd6eb", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}}, {"rule": 2, "type": "equivalent", "target": "410ecd8d3182ca670115f4bb27a910de", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}}, {"rule": 2, "type": "equivalent", "target": "6e629ddb94a5fc275b9280f02474d3a4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}}, {"rule": 2, "type": "equivalent", "target": "dca69a390ea0f6cc18e87d764a97bb6a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}}], "version": "9.6.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "dca69a390ea0f6cc18e87d764a97bb6a", "kind": "equivalent", "version": "10.6", "label": "10.6", "title": "Don't record foreign-server user mappings as members of extensions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}, "url": "/docs/compare/?release=10.6#10.6-5b8b935ad394fd48", "source_url": "/docs/release/10.6/#id-1.11.6.22.5"}, {"db_id": "410ecd8d3182ca670115f4bb27a910de", "kind": "equivalent", "version": "9.5.15", "label": "9.5.15", "title": "Don't record foreign-server user mappings as members of extensions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}, "url": "/docs/compare/?release=9.5.15#9.5.15-5b8b935ad394fd48", "source_url": "/docs/release/9.5.15/#AEN128843"}, {"db_id": "6e629ddb94a5fc275b9280f02474d3a4", "kind": "equivalent", "version": "9.4.20", "label": "9.4.20", "title": "Don't record foreign-server user mappings as members of extensions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}, "url": "/docs/compare/?release=9.4.20#9.4.20-5b8b935ad394fd48", "source_url": "/docs/release/9.4.20/#AEN120621"}, {"db_id": "0a3857effe95c5d3d77c35d3b30fd6eb", "kind": "equivalent", "version": "9.3.25", "label": "9.3.25", "title": "Don't record foreign-server user mappings as members of extensions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6d42f9b75ef3e7b781185b35061350ba8b71c1fa9f0fa334306188f4cd6729a"}, "url": "/docs/compare/?release=9.3.25#9.3.25-5b8b935ad394fd48", "source_url": "/docs/release/9.3.25/#AEN115135"}]}, {"id": "9.6.11-b4c47ac26d4efeb4", "cves": [], "html": "Make syslogger more robust against failures in opening CSV log files (Tom Lane)
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", "text": "Fix failure to reset libpq's state fully between connection attempts (Tom Lane) An unprivileged user of dblink or postgres_fdw could bypass the checks intended to prevent use of server-side credentials, such as a ~/.pgpass file owned by the operating-system user running the server. Servers allowing peer authentication on local connections are particularly vulnerable. Other attacks such as SQL injection into a postgres_fdw session are also possible. Attacking postgres_fdw in this way requires the ability to create a foreign server object with selected connection parameters, but any user with access to dblink could exploit the problem. In general, an attacker with the ability to select the connection parameters for a libpq-using application could cause mischief, though other plausible attack scenarios are harder to think of. Our thanks to Andrew Krasichkov for reporting this issue. 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\nErroneous expansion of an updatable view could lead to crashes or \"attribute ... has the wrong type\" errors, if the view's SELECT list doesn't match one-to-one with the underlying table's columns. Furthermore, this bug could be leveraged to allow updates of columns that an attacking user lacks UPDATE privilege for, if that user has INSERT and UPDATE privileges for some other column(s) of the table. Any user could also use it for disclosure of server memory. (CVE-2018-10925)
", "text": "Fix INSERT ... ON CONFLICT UPDATE through a view that isn't just SELECT * FROM ... (Dean Rasheed, Amit Langote) Erroneous expansion of an updatable view could lead to crashes or \"attribute ... has the wrong type\" errors, if the view's SELECT list doesn't match one-to-one with the underlying table's columns. Furthermore, this bug could be leveraged to allow updates of columns that an attacking user lacks UPDATE privilege for, if that user has INSERT and UPDATE privileges for some other column(s) of the table. Any user could also use it for disclosure of server memory. (CVE-2018-10925)", "title": "Fix INSERT ... ON CONFLICT UPDATE through a view that isn't just SELECT * FROM ...", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "79c9850a9ceaad739e423cde26c39d9389470e02ae945dffa5c4c1649df148dd", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix INSERT ... ON CONFLICT UPDATE through a view that isn't just SELECT * FROM ... (Dean Rasheed, Amit Langote) Erroneous expansion of an updatable view could lead to crashes or attribute ... has the wrong type errors, if the view's SELECT list doesn't match one-to-one with the underlying table's columns. Furthermore, this bug could be leveraged to allow updates of columns that an attacking user lacks UPDATE privilege for, if that user has INSERT and UPDATE privileges for some other column(s) of the table. Any user could also use it for disclosure of server memory. (CVE-2018-10925)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/002", "db_id": "da2ec324c1f899bc08a54ad2a1a57106", "patch_ids": [], "statement_hash": "7d9b36e0f42eb3c117d02fb4d1a66413944410df78a167abefe08e7595965292", "relations": [{"rule": 2, "type": "equivalent", "target": "27150ec6c353f8cf45284bc75e4ec3ca", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7d9b36e0f42eb3c117d02fb4d1a66413944410df78a167abefe08e7595965292"}}, {"rule": 2, "type": "equivalent", "target": "dddc2d6546be8c5833b80708f1611577", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7d9b36e0f42eb3c117d02fb4d1a66413944410df78a167abefe08e7595965292"}}], "version": "9.6.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "dddc2d6546be8c5833b80708f1611577", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Fix INSERT ... ON CONFLICT UPDATE through a view that isn't just SELECT * FROM ...", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7d9b36e0f42eb3c117d02fb4d1a66413944410df78a167abefe08e7595965292"}, "url": "/docs/compare/?release=10.5#10.5-3e760d0542f92c95", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "27150ec6c353f8cf45284bc75e4ec3ca", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Fix INSERT ... ON CONFLICT UPDATE through a view that isn't just SELECT * FROM ...", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7d9b36e0f42eb3c117d02fb4d1a66413944410df78a167abefe08e7595965292"}, "url": "/docs/compare/?release=9.5.14#9.5.14-3e760d0542f92c95", "source_url": "/docs/release/9.5.14/#AEN129077"}]}, {"id": "9.6.10-33418b4438512d6e", "cves": [], "html": "Ensure that updates to the relfrozenxid and relminmxid values for \"nailed\" system catalogs are processed in a timely fashion (Andres Freund)
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", "text": "Ensure that updates to the relfrozenxid and relminmxid values for \"nailed\" system catalogs are processed in a timely fashion (Andres Freund) Overoptimistic caching rules could prevent these updates from being seen by other sessions, leading to spurious errors and/or data corruption. The problem was significantly worse for shared catalogs, such as pg_authid, because the stale cache data could persist into new sessions as well as existing ones.", "title": "Ensure that updates to the relfrozenxid and relminmxid values for \"nailed\" system catalogs are processed in a timely fashion", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "5df22cebe93f8adb0804d594314a5fc8e1a7916714b60eea5dcc86a2abe7e9a4", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that updates to the relfrozenxid and relminmxid values for nailed system catalogs are processed in a timely fashion (Andres Freund) Overoptimistic caching rules could prevent these updates from being seen by other sessions, leading to spurious errors and/or data corruption. The problem was significantly worse for shared catalogs, such as pg_authid, because the stale cache data could persist into new sessions as well as existing ones.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/003", "db_id": "fe02cfd82dcb3eb66cd294a2d93301ba", "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d", "relations": [{"rule": 2, "type": "equivalent", "target": "32daf880b018ef0efc03b63f5bfad99d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}}, {"rule": 2, "type": "equivalent", "target": "6b1508337c26fcb930a902e99a3573cf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}}, {"rule": 2, "type": "equivalent", "target": "9ed27a4374d255ff38dff43efcbf92e6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}}, {"rule": 2, "type": "equivalent", "target": "d2ddc8d0e0d59d6e8ddf83d17dabea01", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}}], "version": "9.6.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "9ed27a4374d255ff38dff43efcbf92e6", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Ensure that updates to the relfrozenxid and relminmxid values for “nailed” system catalogs are processed in a timely fashion", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}, "url": "/docs/compare/?release=10.5#10.5-50bb2c3cc0d92808", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "d2ddc8d0e0d59d6e8ddf83d17dabea01", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Ensure that updates to the relfrozenxid and relminmxid values for \"nailed\" system catalogs are processed in a timely fashion", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}, "url": "/docs/compare/?release=9.5.14#9.5.14-33418b4438512d6e", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "32daf880b018ef0efc03b63f5bfad99d", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Ensure that updates to the relfrozenxid and relminmxid values for \"nailed\" system catalogs are processed in a timely fashion", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}, "url": "/docs/compare/?release=9.4.19#9.4.19-33418b4438512d6e", "source_url": "/docs/release/9.4.19/#AEN120815"}, {"db_id": "6b1508337c26fcb930a902e99a3573cf", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Ensure that updates to the relfrozenxid and relminmxid values for \"nailed\" system catalogs are processed in a timely fashion", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f40973bdecf4f197c463d71b2426f583be46d71d146da06cbab774bfe103e8d"}, "url": "/docs/compare/?release=9.3.24#9.3.24-33418b4438512d6e", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.6.10-831b46110b10d7d0", "cves": [], "html": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint (Michael Paquier, Kyotaro Horiguchi, Pavan Deolasee, Álvaro Herrera)
\nThis led to a situation where the server did not think it had reached a consistent database state during subsequent WAL replay, preventing restart.
", "text": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint (Michael Paquier, Kyotaro Horiguchi, Pavan Deolasee, Álvaro Herrera) This led to a situation where the server did not think it had reached a consistent database state during subsequent WAL replay, preventing restart.", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "fa7e8f5cc32174e46d7732bce494795003f464d53fc5b58fa5ba8db86d943b04", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint (Michael Paquier, Kyotaro Horiguchi, Pavan Deolasee, Álvaro Herrera) This led to a situation where the server did not think it had reached a consistent database state during subsequent WAL replay, preventing restart.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/004", "db_id": "7895599dd794125ea13a3eeb6c7a5ff6", "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f", "relations": [{"rule": 2, "type": "equivalent", "target": "2f3cc96e9aaf64a7e90d7c9fdd39164e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}, {"rule": 2, "type": "equivalent", "target": "8562f359facbd2be633dfe6e52bbd296", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}, {"rule": 2, "type": "equivalent", "target": "acd9e84bf9a88ffb7b980a511398871b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}, {"rule": 2, "type": "equivalent", "target": "e9197d5b5d6664ac74d0054e089d2a74", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}}], "version": "9.6.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2f3cc96e9aaf64a7e90d7c9fdd39164e", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=10.5#10.5-831b46110b10d7d0", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "acd9e84bf9a88ffb7b980a511398871b", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=9.5.14#9.5.14-831b46110b10d7d0", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "8562f359facbd2be633dfe6e52bbd296", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=9.4.19#9.4.19-831b46110b10d7d0", "source_url": "/docs/release/9.4.19/#AEN120815"}, {"db_id": "e9197d5b5d6664ac74d0054e089d2a74", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Fix case where a freshly-promoted standby crashes before having completed its first post-recovery checkpoint", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e91754c6d4978576f71e18ac30bce445c478ff427f8ce632dc205836fb50274f"}, "url": "/docs/compare/?release=9.3.24#9.3.24-831b46110b10d7d0", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.6.10-1b0d77f32b68d53f", "cves": [], "html": "Avoid emitting a bogus WAL record when recycling an all-zero btree page (Amit Kapila)
\nThis mistake has been seen to cause assertion failures, and potentially it could result in unnecessary query cancellations on hot standby servers.
", "text": "Avoid emitting a bogus WAL record when recycling an all-zero btree page (Amit Kapila) This mistake has been seen to cause assertion failures, and potentially it could result in unnecessary query cancellations on hot standby servers.", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "1f261ca5298c0d468e5f8e100685ee862f4ef6c3d4616b53a22ea2d517e40f7c", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid emitting a bogus WAL record when recycling an all-zero btree page (Amit Kapila) This mistake has been seen to cause assertion failures, and potentially it could result in unnecessary query cancellations on hot standby servers.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/005", "db_id": "03132998b632c02d15256b84330ab60a", "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f", "relations": [{"rule": 2, "type": "equivalent", "target": "2dd037d083b0c3bfe29f7cfbbd4c5611", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}, {"rule": 2, "type": "equivalent", "target": "67b50d90cd1cc74144791acbcf155f1c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}, {"rule": 2, "type": "equivalent", "target": "a74fce06026a164587c89b59b42606e8", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}, {"rule": 2, "type": "equivalent", "target": "cf21645a6589d145ccf19e984286e3f7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}}], "version": "9.6.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "67b50d90cd1cc74144791acbcf155f1c", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=10.5#10.5-1b0d77f32b68d53f", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "cf21645a6589d145ccf19e984286e3f7", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=9.5.14#9.5.14-1b0d77f32b68d53f", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "a74fce06026a164587c89b59b42606e8", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=9.4.19#9.4.19-1b0d77f32b68d53f", "source_url": "/docs/release/9.4.19/#AEN120815"}, {"db_id": "2dd037d083b0c3bfe29f7cfbbd4c5611", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Avoid emitting a bogus WAL record when recycling an all-zero btree page", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "068a7948ba1f16ddd35a5f5cbef739818b1ffa464aa0ba3050f488c0171e180f"}, "url": "/docs/compare/?release=9.3.24#9.3.24-1b0d77f32b68d53f", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.6.10-a643f224de3a9991", "cves": [], "html": "During WAL replay, guard against corrupted record lengths exceeding 1GB (Michael Paquier)
\nTreat such a case as corrupt data. Previously, the code would try to allocate space and get a hard error, making recovery impossible.
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\nThis avoids some situations where a failure during recovery cleanup (such as a problem with a two-phase state file) led to inconsistent timeline state on-disk.
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\nPreviously, the failed index's OID could remain in the list, causing problems later in the same session.
", "text": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through (Peter Geoghegan) Previously, the failed index's OID could remain in the list, causing problems later in the same session.", "title": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "51ef6609147a62c994f70e0a2c09017f69a5d6edafc2269070a47932b4e0f11c", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through (Peter Geoghegan) Previously, the failed index's OID could remain in the list, causing problems later in the same session.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/012", "db_id": "186e31d2cfd35855b738f0e59e37bc8a", "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800", "relations": [{"rule": 2, "type": "equivalent", "target": "26e04fcb7e6cede2081c220dd2bec55f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}}, {"rule": 2, "type": "equivalent", "target": "323782b89f6740151049a909f0559a13", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}}, {"rule": 2, "type": "equivalent", "target": "58f069360214dd9f86e14701bbefcbb5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}}, {"rule": 2, "type": "equivalent", "target": "9816837056d8933773918134c3de8eba", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}}], "version": "9.6.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "58f069360214dd9f86e14701bbefcbb5", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}, "url": "/docs/compare/?release=10.5#10.5-2fe3092f80287884", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "26e04fcb7e6cede2081c220dd2bec55f", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}, "url": "/docs/compare/?release=9.5.14#9.5.14-2fe3092f80287884", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "9816837056d8933773918134c3de8eba", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}, "url": "/docs/compare/?release=9.4.19#9.4.19-2fe3092f80287884", "source_url": "/docs/release/9.4.19/#AEN120815"}, {"db_id": "323782b89f6740151049a909f0559a13", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Ensure a table's cached index list is correctly rebuilt after an index creation fails partway through", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cd62bf70f8ea7367a437e9c84dd8160f5d842a9309758b8eb517f493440f6800"}, "url": "/docs/compare/?release=9.3.24#9.3.24-2fe3092f80287884", "source_url": "/docs/release/9.3.24/#AEN115312"}]}, {"id": "9.6.10-24d6e6dd0704b31c", "cves": [], "html": "Fix mishandling of empty uncompressed posting list pages in GIN indexes (Sivasubramanian Ramasubramanian, Alexander Korotkov)
\nThis could result in an assertion failure after pg_upgrade of a pre-9.4 GIN index (9.4 and later will not create such pages).
", "text": "Fix mishandling of empty uncompressed posting list pages in GIN indexes (Sivasubramanian Ramasubramanian, Alexander Korotkov) This could result in an assertion failure after pg_upgrade of a pre-9.4 GIN index (9.4 and later will not create such pages).", "title": "Fix mishandling of empty uncompressed posting list pages in GIN indexes", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "af1a4606e0baea42e268af5e6f13f7235e310d56ef2676adf64a074046021bda", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix mishandling of empty uncompressed posting list pages in GIN indexes (Sivasubramanian Ramasubramanian, Alexander Korotkov) This could result in an assertion failure after pg_upgrade of a pre-9.4 GIN index (9.4 and later will not create such pages).", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/013", "db_id": "341f4d27388876640cba6c8724119e4b", "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90", "relations": [{"rule": 2, "type": "equivalent", "target": "5c9d8f690407ff5c825e0556be5cbb4d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90"}}, {"rule": 2, "type": "equivalent", "target": "8f189bc48d07dd9c38455eb63e078f9a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90"}}, {"rule": 2, "type": "equivalent", "target": "a6b4d547c3a7317a9933e598d026a0af", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90"}}], "version": "9.6.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "a6b4d547c3a7317a9933e598d026a0af", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Fix mishandling of empty uncompressed posting list pages in GIN indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90"}, "url": "/docs/compare/?release=10.5#10.5-24d6e6dd0704b31c", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "8f189bc48d07dd9c38455eb63e078f9a", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Fix mishandling of empty uncompressed posting list pages in GIN indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90"}, "url": "/docs/compare/?release=9.5.14#9.5.14-24d6e6dd0704b31c", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "5c9d8f690407ff5c825e0556be5cbb4d", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Fix mishandling of empty uncompressed posting list pages in GIN indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "b8a2167e84b84133e3ca3d47c7884079f82f923701fd5212458ebf05df7a6a90"}, "url": "/docs/compare/?release=9.4.19#9.4.19-24d6e6dd0704b31c", "source_url": "/docs/release/9.4.19/#AEN120815"}]}, {"id": "9.6.10-fa6a7fa8981d11db", "cves": [], "html": "Ensure that VACUUM will respond to signals within btree page deletion loops (Andres Freund)
\nCorrupted btree indexes could result in an infinite loop here, and that previously wasn't interruptible without forcing a crash.
", "text": "Ensure that VACUUM will respond to signals within btree page deletion loops (Andres Freund) Corrupted btree indexes could result in an infinite loop here, and that previously wasn't interruptible without forcing a crash.", "title": "Ensure that VACUUM will respond to signals within btree page deletion loops", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "698fed7a82db1d2c3f06010579547106902cf451e245b911860d019b4dfff38a", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that VACUUM will respond to signals within btree page deletion loops (Andres Freund) Corrupted btree indexes could result in an infinite loop here, and that previously wasn't interruptible without forcing a crash.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/014", "db_id": "a56694ab96dd635cd3ac4625fff21988", "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c", "relations": [{"rule": 2, "type": "equivalent", "target": "4721267ab5f350035de8fbf5ef55ea6b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c"}}, {"rule": 2, "type": "equivalent", "target": "9daba184165b978b5048851d3664d90f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c"}}, {"rule": 2, "type": "equivalent", "target": "e77cd5b3cc2485698c5eff5d1d373f8d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c"}}], "version": "9.6.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "9daba184165b978b5048851d3664d90f", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Ensure that VACUUM will respond to signals within btree page deletion loops", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c"}, "url": "/docs/compare/?release=10.5#10.5-fa6a7fa8981d11db", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "e77cd5b3cc2485698c5eff5d1d373f8d", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Ensure that VACUUM will respond to signals within btree page deletion loops", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c"}, "url": "/docs/compare/?release=9.5.14#9.5.14-fa6a7fa8981d11db", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "4721267ab5f350035de8fbf5ef55ea6b", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Ensure that VACUUM will respond to signals within btree page deletion loops", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6742ae11a896e2fd92be7b1babe613d1036f84f4921911000e38736d395a8e6c"}, "url": "/docs/compare/?release=9.4.19#9.4.19-fa6a7fa8981d11db", "source_url": "/docs/release/9.4.19/#AEN120815"}]}, {"id": "9.6.10-e5ba9e9e10354977", "cves": [], "html": "Fix misoptimization of equivalence classes involving composite-type columns (Tom Lane)
\nThis resulted in failure to recognize that an index on a composite column could provide the sort order needed for a mergejoin on that column.
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Fix ecpg's support for long long variables on Windows, as well as other platforms that declare strtoll/strtoull nonstandardly or not at all (Dang Minh Huong, Tom Lane)
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This does not affect either the actual UTC offset or the timezone abbreviations in use; the only known effect is that the is_dst column in the pg_timezone_names view will now be true in winter and false in summer in these cases.", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.10/#AEN134332", "source_hash": "9f37319456282bec8598cba6308a808640b0982827c1d7cd6fca8042f555e880", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia. This update includes a redefinition of daylight savings in Ireland, as well as for some past years in Namibia and Czechoslovakia. In those jurisdictions, legally standard time is observed in summer, and daylight savings time in winter, so that the daylight savings offset is one hour behind standard time not one hour ahead. This does not affect either the actual UTC offset or the timezone abbreviations in use; the only known effect is that the is_dst column in the pg_timezone_names view will now be true in winter and false in summer in these cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.10/changes/033", "db_id": "eae244a6dda158da8e88045e274b818f", "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c", "relations": [{"rule": 2, "type": "equivalent", "target": "4665643582ca528c025ca51ef876640b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}, {"rule": 2, "type": "equivalent", "target": "5e2e95399fa99faba1ec919a703975de", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}, {"rule": 2, "type": "equivalent", "target": "e66a4e42e0632f51b3db77194fc6ea05", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}, {"rule": 2, "type": "equivalent", "target": "eab8b499ede5f2e4cd22b4228850bace", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}}], "version": "9.6.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e66a4e42e0632f51b3db77194fc6ea05", "kind": "equivalent", "version": "10.5", "label": "10.5", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=10.5#10.5-d9e7fdabc8642516", "source_url": "/docs/release/10.5/#id-1.11.6.23.5"}, {"db_id": "4665643582ca528c025ca51ef876640b", "kind": "equivalent", "version": "9.5.14", "label": "9.5.14", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=9.5.14#9.5.14-d9e7fdabc8642516", "source_url": "/docs/release/9.5.14/#AEN129077"}, {"db_id": "eab8b499ede5f2e4cd22b4228850bace", "kind": "equivalent", "version": "9.4.19", "label": "9.4.19", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=9.4.19#9.4.19-d9e7fdabc8642516", "source_url": "/docs/release/9.4.19/#AEN120815"}, {"db_id": "5e2e95399fa99faba1ec919a703975de", "kind": "equivalent", "version": "9.3.24", "label": "9.3.24", "title": "Update time zone data files to tzdata release 2018e for DST law changes in North Korea, plus historical corrections for Czechoslovakia.", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "121e90e8bc23ffc5b72b1b0813a32d1c613b718c6334e0d052ff766689a0a87c"}, "url": "/docs/compare/?release=9.3.24#9.3.24-d9e7fdabc8642516", "source_url": "/docs/release/9.3.24/#AEN115312"}]}]}, {"date": "2018-05-10", "build": "9.6.9", "major": "9.6", "minor": 9, "manual": "9.6", "status": "stable", "doc_git": "", "version": "9.6.9", "eol_date": "2021-11-11", "date_text": "2018-05-10", "supported": false, "manual_url": "/docs/9.6/release-9-6-9.html", "source_url": "/docs/release/9.6.9/", "entry_count": 43, "placeholder": false, "content_hash": "1fd14bd8bfd6e4ed52cc9f274494458237967c25a13a719e945bdeeb143d6591", "manual_build": "9.6.24", "source_as_of": "", "changes_count": 43, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 9.6.X.
\nHowever, if you use the adminpack extension, you should update it as per the first changelog entry below.
\nAlso, if the function marking mistakes mentioned in the second and third changelog entries below affect you, you will want to take steps to correct your database catalogs.
\nAlso, if you are upgrading from a version earlier than 9.6.8, see Section E.17.
", "compatibility_count": 0, "label": "9.6.9", "status_label": "Historical", "eol": "2021-11-11", "age_days": 3064, "support_days": -1783, "entries": [{"id": "9.6.9-3da95ecc3e828f89", "cves": ["CVE-2018-1115"], "html": "Remove public execute privilege from contrib/adminpack's pg_logfile_rotate() function (Stephen Frost)
pg_logfile_rotate() is a deprecated wrapper for the core function pg_rotate_logfile(). When that function was changed to rely on SQL privileges for access control rather than a hard-coded superuser check, pg_logfile_rotate() should have been updated as well, but the need for this was missed. Hence, if adminpack is installed, any user could request a logfile rotation, creating a minor security issue.
After installing this update, administrators should update adminpack by performing ALTER EXTENSION adminpack UPDATE in each database in which adminpack is installed. (CVE-2018-1115)
", "text": "Remove public execute privilege from contrib/adminpack's pg_logfile_rotate() function (Stephen Frost) pg_logfile_rotate() is a deprecated wrapper for the core function pg_rotate_logfile(). When that function was changed to rely on SQL privileges for access control rather than a hard-coded superuser check, pg_logfile_rotate() should have been updated as well, but the need for this was missed. Hence, if adminpack is installed, any user could request a logfile rotation, creating a minor security issue. After installing this update, administrators should update adminpack by performing ALTER EXTENSION adminpack UPDATE in each database in which adminpack is installed. (CVE-2018-1115)", "title": "Remove public execute privilege from contrib/adminpack's pg_logfile_rotate() function", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.9/#AEN134496", "source_hash": "3f44ee1528b4376b23fcb6e9d87a5f284bf7132022f5d3010f95b2b053ef6a11", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Remove public execute privilege from contrib/adminpack's pg_logfile_rotate() function (Stephen Frost) pg_logfile_rotate() is a deprecated wrapper for the core function pg_rotate_logfile(). When that function was changed to rely on SQL privileges for access control rather than a hard-coded superuser check, pg_logfile_rotate() should have been updated as well, but the need for this was missed. Hence, if adminpack is installed, any user could request a logfile rotation, creating a minor security issue. After installing this update, administrators should update adminpack by performing ALTER EXTENSION adminpack UPDATE in each database in which adminpack is installed. (CVE-2018-1115)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.9/changes/001", "db_id": "3b614dbfc79d425c587fd768b20b393d", "patch_ids": [], "statement_hash": "712f4f58dc3ea1094b64a653a1d9e436db51f07641cfcdbe625ac9aea5d16df5", "relations": [{"rule": 2, "type": "equivalent", "target": "80ebe5c1773e98378ec6eead218154c5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "712f4f58dc3ea1094b64a653a1d9e436db51f07641cfcdbe625ac9aea5d16df5"}}], "version": "9.6.9", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "80ebe5c1773e98378ec6eead218154c5", "kind": "equivalent", "version": "10.4", "label": "10.4", "title": "Remove public execute privilege from contrib/adminpack's pg_logfile_rotate() function", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "712f4f58dc3ea1094b64a653a1d9e436db51f07641cfcdbe625ac9aea5d16df5"}, "url": "/docs/compare/?release=10.4#10.4-3da95ecc3e828f89", "source_url": "/docs/release/10.4/#id-1.11.6.24.5"}]}, {"id": "9.6.9-d69dd3296f3254e9", "cves": [], "html": "Fix incorrect volatility markings on a few built-in functions (Thomas Munro, Tom Lane)
\nThe functions query_to_xml, cursor_to_xml, cursor_to_xmlschema, query_to_xmlschema, and query_to_xml_and_xmlschema should be marked volatile because they execute user-supplied queries that might contain volatile operations. They were not, leading to a risk of incorrect query optimization. This has been repaired for new installations by correcting the initial catalog data, but existing installations will continue to contain the incorrect markings. Practical use of these functions seems to pose little hazard, but in case of trouble, it can be fixed by manually updating these functions' pg_proc entries, for example ALTER FUNCTION pg_catalog.query_to_xml(text, boolean, boolean, text) VOLATILE. (Note that that will need to be done in each database of the installation.) Another option is to pg_upgrade the database to a version containing the corrected initial data.
Fix incorrect parallel-safety markings on a few built-in functions (Thomas Munro, Tom Lane)
\nThe functions brin_summarize_new_values, gin_clean_pending_list, cursor_to_xml, cursor_to_xmlschema, ts_rewrite, ts_stat, and binary_upgrade_create_empty_extension should be marked parallel-unsafe; some because they perform database modifications directly, and others because they execute user-supplied queries that might do so. They were marked parallel-restricted instead, leading to a risk of unexpected query errors. This has been repaired for new installations by correcting the initial catalog data, but existing installations will continue to contain the incorrect markings. Practical use of these functions seems to pose little hazard unless force_parallel_mode is turned on. In case of trouble, it can be fixed by manually updating these functions' pg_proc entries, for example ALTER FUNCTION pg_catalog.brin_summarize_new_values(regclass) PARALLEL UNSAFE. (Note that that will need to be done in each database of the installation.) Another option is to pg_upgrade the database to a version containing the corrected initial data.
Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries (Pavan Deolasee)
\nOnce the OID counter has wrapped around, it's possible to assign a TOAST value whose OID matches a previously deleted entry in the same TOAST table. If that entry were not yet vacuumed away, this resulted in \"unexpected chunk number 0 (expected 1) for toast value nnnnn\" errors, which would persist until the dead entry was removed by VACUUM. Fix by not selecting such OIDs when creating a new TOAST entry.
", "text": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries (Pavan Deolasee) Once the OID counter has wrapped around, it's possible to assign a TOAST value whose OID matches a previously deleted entry in the same TOAST table. If that entry were not yet vacuumed away, this resulted in \"unexpected chunk number 0 (expected 1) for toast value nnnnn\" errors, which would persist until the dead entry was removed by VACUUM. Fix by not selecting such OIDs when creating a new TOAST entry.", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.9/#AEN134496", "source_hash": "d05641636bce96e46895a854d51f8c25480af75082a92ce242f2d1f0a39e7801", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries (Pavan Deolasee) Once the OID counter has wrapped around, it's possible to assign a TOAST value whose OID matches a previously deleted entry in the same TOAST table. If that entry were not yet vacuumed away, this resulted in unexpected chunk number 0 (expected 1) for toast value nnnnn errors, which would persist until the dead entry was removed by VACUUM. Fix by not selecting such OIDs when creating a new TOAST entry.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.9/changes/004", "db_id": "4035d185e648f4a1a98665cfb8f9342c", "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380", "relations": [{"rule": 2, "type": "equivalent", "target": "6880622ffcd47407c39b65ab10c581e1", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}, {"rule": 2, "type": "equivalent", "target": "862469b6786f98380f5d936984d0d58d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}, {"rule": 2, "type": "equivalent", "target": "87f78c7f9303d4e8f2177bdb76e23f66", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}, {"rule": 2, "type": "equivalent", "target": "e392178093fe6d0921ffb62054aa789b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}}], "version": "9.6.9", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e392178093fe6d0921ffb62054aa789b", "kind": "equivalent", "version": "10.4", "label": "10.4", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=10.4#10.4-2e9ceb7faf49d36e", "source_url": "/docs/release/10.4/#id-1.11.6.24.5"}, {"db_id": "6880622ffcd47407c39b65ab10c581e1", "kind": "equivalent", "version": "9.5.13", "label": "9.5.13", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=9.5.13#9.5.13-2e9ceb7faf49d36e", "source_url": "/docs/release/9.5.13/#AEN129230"}, {"db_id": "87f78c7f9303d4e8f2177bdb76e23f66", "kind": "equivalent", "version": "9.4.18", "label": "9.4.18", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=9.4.18#9.4.18-2e9ceb7faf49d36e", "source_url": "/docs/release/9.4.18/#AEN120949"}, {"db_id": "862469b6786f98380f5d936984d0d58d", "kind": "equivalent", "version": "9.3.23", "label": "9.3.23", "title": "Avoid re-using TOAST value OIDs that match dead-but-not-yet-vacuumed TOAST entries", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "41071cbd7b24941a80f90ae00e8631a89cce2cdc34545f79240e099448269380"}, "url": "/docs/compare/?release=9.3.23#9.3.23-2e9ceb7faf49d36e", "source_url": "/docs/release/9.3.23/#AEN115427"}]}, {"id": "9.6.9-5dea6d3282166bc5", "cves": [], "html": "Change ANALYZE's algorithm for updating pg_class.reltuples (David Gould)
\nPreviously, pages not actually scanned by ANALYZE were assumed to retain their old tuple density. In a large table where ANALYZE samples only a small fraction of the pages, this meant that the overall tuple density estimate could not change very much, so that reltuples would change nearly proportionally to changes in the table's physical size (relpages) regardless of what was actually happening in the table. This has been observed to result in reltuples becoming so much larger than reality as to effectively shut off autovacuuming. To fix, assume that ANALYZE's sample is a statistically unbiased sample of the table (as it should be), and just extrapolate the density observed within those pages to the whole table.
", "text": "Change ANALYZE's algorithm for updating pg_class.reltuples (David Gould) Previously, pages not actually scanned by ANALYZE were assumed to retain their old tuple density. In a large table where ANALYZE samples only a small fraction of the pages, this meant that the overall tuple density estimate could not change very much, so that reltuples would change nearly proportionally to changes in the table's physical size (relpages) regardless of what was actually happening in the table. This has been observed to result in reltuples becoming so much larger than reality as to effectively shut off autovacuuming. To fix, assume that ANALYZE's sample is a statistically unbiased sample of the table (as it should be), and just extrapolate the density observed within those pages to the whole table.", "title": "Change ANALYZE's algorithm for updating pg_class.reltuples", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.9/#AEN134496", "source_hash": "17141ed953dc3156ee460c4a49239020017883c218f472673493d5aff17814dc", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Change ANALYZE's algorithm for updating pg_class.reltuples (David Gould) Previously, pages not actually scanned by ANALYZE were assumed to retain their old tuple density. 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\nThis could, for example, allow constraint exclusion to exclude a child table that should not be excluded from a query.
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\nAlso, the changes described in the second changelog entry below may cause functions used in index expressions or materialized views to fail during auto-analyze, or when reloading from a dump. After upgrading, monitor the server logs for such problems, and fix affected functions.
\nAlso, if you are upgrading from a version earlier than 9.6.7, see Section E.18.
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\nUsing a search_path setting that includes any schemas writable by a hostile user enables that user to capture control of queries and then run arbitrary SQL code with the permissions of the attacked user. While it is possible to write queries that are proof against such hijacking, it is notationally tedious, and it's very easy to overlook holes. Therefore, we now recommend configurations in which no untrusted schemas appear in one's search path. Relevant documentation appears in Section 5.8.6 (for database administrators and users), Section 32.1 (for application authors), Section 36.15.5 (for extension authors), and CREATE FUNCTION (for authors of SECURITY DEFINER functions). (CVE-2018-1058)
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\npg_dump, pg_upgrade, vacuumdb and other PostgreSQL-provided applications were themselves vulnerable to the type of hijacking described in the previous changelog entry; since these applications are commonly run by superusers, they present particularly attractive targets. To make them secure whether or not the installation as a whole has been secured, modify them to include only the pg_catalog schema in their search_path settings. Autovacuum worker processes now do the same, as well.
\nIn cases where user-provided functions are indirectly executed by these programs — for example, user-provided functions in index expressions — the tighter search_path may result in errors, which will need to be corrected by adjusting those user-provided functions to not assume anything about what search path they are invoked under. That has always been good practice, but now it will be necessary for correct behavior. (CVE-2018-1058)
", "text": "Avoid use of insecure search_path settings in pg_dump and other client programs (Noah Misch, Tom Lane) pg_dump, pg_upgrade, vacuumdb and other PostgreSQL-provided applications were themselves vulnerable to the type of hijacking described in the previous changelog entry; since these applications are commonly run by superusers, they present particularly attractive targets. To make them secure whether or not the installation as a whole has been secured, modify them to include only the pg_catalog schema in their search_path settings. Autovacuum worker processes now do the same, as well. In cases where user-provided functions are indirectly executed by these programs — for example, user-provided functions in index expressions — the tighter search_path may result in errors, which will need to be corrected by adjusting those user-provided functions to not assume anything about what search path they are invoked under. That has always been good practice, but now it will be necessary for correct behavior. (CVE-2018-1058)", "title": "Avoid use of insecure search_path settings in pg_dump and other client programs", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.8/#AEN134711", "source_hash": "086f485051777cfc5575c2811e9fb97623fa278601d1596f843001425d514504", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid use of insecure search_path settings in pg_dump and other client programs (Noah Misch, Tom Lane) pg_dump, pg_upgrade, vacuumdb and other PostgreSQL-provided applications were themselves vulnerable to the type of hijacking described in the previous changelog entry; since these applications are commonly run by superusers, they present particularly attractive targets. To make them secure whether or not the installation as a whole has been secured, modify them to include only the pg_catalog schema in their search_path settings. Autovacuum worker processes now do the same, as well. In cases where user-provided functions are indirectly executed by these programs — for example, user-provided functions in index expressions — the tighter search_path may result in errors, which will need to be corrected by adjusting those user-provided functions to not assume anything about what search path they are invoked under. That has always been good practice, but now it will be necessary for correct behavior. 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\nIf a CTE (WITH clause reference) is used in an InitPlan or SubPlan, and the query requires a recheck due to trying to update or lock a concurrently-updated row, incorrect results could be obtained.
", "text": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans (Tom Lane) If a CTE (WITH clause reference) is used in an InitPlan or SubPlan, and the query requires a recheck due to trying to update or lock a concurrently-updated row, incorrect results could be obtained.", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.8/#AEN134711", "source_hash": "ea87e11868ef81a69cdaf6dfe008350f17f6c533db78ab48522ddccf9f5fd5a5", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans (Tom Lane) If a CTE (WITH clause reference) is used in an InitPlan or SubPlan, and the query requires a recheck due to trying to update or lock a concurrently-updated row, incorrect results could be obtained.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.8/changes/003", "db_id": "9bf393cccf389e1408524d365c537615", "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb", "relations": [{"rule": 2, "type": "equivalent", "target": "4ac3c087eadec6a09af2ac698c7527e8", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}, {"rule": 2, "type": "equivalent", "target": "557e981b12d86db91785cdce175221a5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}, {"rule": 2, "type": "equivalent", "target": "65c2b1f3aa8fcd6277735aeab8756942", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}, {"rule": 2, "type": "equivalent", "target": "a8daaadc8ea647c9253fa0ea6edcdf0e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}}], "version": "9.6.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "557e981b12d86db91785cdce175221a5", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=10.3#10.3-e15ae7dbd14211c5", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "4ac3c087eadec6a09af2ac698c7527e8", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=9.5.12#9.5.12-e15ae7dbd14211c5", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "65c2b1f3aa8fcd6277735aeab8756942", "kind": "equivalent", "version": "9.4.17", "label": "9.4.17", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=9.4.17#9.4.17-e15ae7dbd14211c5", "source_url": "/docs/release/9.4.17/#AEN121109"}, {"db_id": "a8daaadc8ea647c9253fa0ea6edcdf0e", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Fix misbehavior of concurrent-update rechecks with CTE references appearing in subplans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5432474fe0549d18c17576b865b20cc16bfd43db793e3101d0b2a544761bbacb"}, "url": "/docs/compare/?release=9.3.22#9.3.22-e15ae7dbd14211c5", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.6.8-4090869f35defda4", "cves": [], "html": "Fix planner failures with overlapping mergejoin clauses in an outer join (Tom Lane)
\nThese mistakes led to \"left and right pathkeys do not match in mergejoin\" or \"outer pathkeys do not match mergeclauses\" planner errors in corner cases.
", "text": "Fix planner failures with overlapping mergejoin clauses in an outer join (Tom Lane) These mistakes led to \"left and right pathkeys do not match in mergejoin\" or \"outer pathkeys do not match mergeclauses\" planner errors in corner cases.", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.8/#AEN134711", "source_hash": "d576d7d55645300d80308749ec5b5297bab607c04d0a7531ea6e6004e9534122", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix planner failures with overlapping mergejoin clauses in an outer join (Tom Lane) These mistakes led to left and right pathkeys do not match in mergejoin or outer pathkeys do not match mergeclauses planner errors in corner cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.8/changes/004", "db_id": "9cc2fe244dd7f351eac0b31733b2d757", "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c", "relations": [{"rule": 2, "type": "equivalent", "target": "0246ca748e8808601f2952aaf477bc7d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}, {"rule": 2, "type": "equivalent", "target": "112e761317a2a41a3ad1e08f6759cb18", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}, {"rule": 2, "type": "equivalent", "target": "56fa2fc847577a89467780f69c68e5f3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}, {"rule": 2, "type": "equivalent", "target": "9aada7ac4c7520858d32cdd00dd57e1f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}}], "version": "9.6.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0246ca748e8808601f2952aaf477bc7d", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=10.3#10.3-4090869f35defda4", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "112e761317a2a41a3ad1e08f6759cb18", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=9.5.12#9.5.12-4090869f35defda4", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "56fa2fc847577a89467780f69c68e5f3", "kind": "equivalent", "version": "9.4.17", "label": "9.4.17", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=9.4.17#9.4.17-4090869f35defda4", "source_url": "/docs/release/9.4.17/#AEN121109"}, {"db_id": "9aada7ac4c7520858d32cdd00dd57e1f", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Fix planner failures with overlapping mergejoin clauses in an outer join", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d46b6a0d8a8b14ab6d44be2c4975c36de0dcd287333c7ce57b1d6285931eb26c"}, "url": "/docs/compare/?release=9.3.22#9.3.22-4090869f35defda4", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.6.8-fdeb1e8475fdefa2", "cves": [], "html": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views (Tom Lane, Andres Freund)
\nThis oversight could lead to data corruption in materialized views after an upgrade, manifesting as \"could not access status of transaction\" or \"found xmin from before relfrozenxid\" errors. The problem would be more likely to occur in seldom-refreshed materialized views, or ones that were maintained only with REFRESH MATERIALIZED VIEW CONCURRENTLY.
\nIf such corruption is observed, it can be repaired by refreshing the materialized view (without CONCURRENTLY).
", "text": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views (Tom Lane, Andres Freund) This oversight could lead to data corruption in materialized views after an upgrade, manifesting as \"could not access status of transaction\" or \"found xmin from before relfrozenxid\" errors. The problem would be more likely to occur in seldom-refreshed materialized views, or ones that were maintained only with REFRESH MATERIALIZED VIEW CONCURRENTLY. If such corruption is observed, it can be repaired by refreshing the materialized view (without CONCURRENTLY).", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.8/#AEN134711", "source_hash": "a5788db0efa33d3edaa7ec50ed7ae54c616e5e97b80ed7cc0b46aec3c6ac57ae", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views (Tom Lane, Andres Freund) This oversight could lead to data corruption in materialized views after an upgrade, manifesting as could not access status of transaction or found xmin from before relfrozenxid errors. The problem would be more likely to occur in seldom-refreshed materialized views, or ones that were maintained only with REFRESH MATERIALIZED VIEW CONCURRENTLY. If such corruption is observed, it can be repaired by refreshing the materialized view (without CONCURRENTLY).", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.8/changes/005", "db_id": "e9404b51f387085a208937d5e6a9fffe", "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5", "relations": [{"rule": 2, "type": "equivalent", "target": "267341483bb67f18762263a23a116a9a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}, {"rule": 2, "type": "equivalent", "target": "6ec91031a9df77ef7dd3930d1b4037a6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}, {"rule": 2, "type": "equivalent", "target": "809e86a4b23d7d03113dae5ef73ab9fb", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}, {"rule": 2, "type": "equivalent", "target": "8c7f0090d3efdd2cd57229f28fd5b068", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}}], "version": "9.6.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "809e86a4b23d7d03113dae5ef73ab9fb", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=10.3#10.3-fdeb1e8475fdefa2", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}, {"db_id": "8c7f0090d3efdd2cd57229f28fd5b068", "kind": "equivalent", "version": "9.5.12", "label": "9.5.12", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=9.5.12#9.5.12-fdeb1e8475fdefa2", "source_url": "/docs/release/9.5.12/#AEN129407"}, {"db_id": "6ec91031a9df77ef7dd3930d1b4037a6", "kind": "equivalent", "version": "9.4.17", "label": "9.4.17", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=9.4.17#9.4.17-fdeb1e8475fdefa2", "source_url": "/docs/release/9.4.17/#AEN121109"}, {"db_id": "267341483bb67f18762263a23a116a9a", "kind": "equivalent", "version": "9.3.22", "label": "9.3.22", "title": "Repair pg_upgrade's failure to preserve relfrozenxid for materialized views", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "0f3fcc2128fc12d86be3cff82b0890b6675a4699af19d5ae2ade404e1e4da7c5"}, "url": "/docs/compare/?release=9.3.22#9.3.22-fdeb1e8475fdefa2", "source_url": "/docs/release/9.3.22/#AEN115569"}]}, {"id": "9.6.8-3f25b6aa004d70fb", "cves": [], "html": "Fix incorrect reporting of PL/Python function names in error CONTEXT stacks (Tom Lane)
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", "text": "Mark assorted GUC variables as PGDLLIMPORT, to ease porting extension modules to Windows (Metin Doslu)", "title": "Mark assorted GUC variables as PGDLLIMPORT, to ease porting extension modules to Windows", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.8/#AEN134711", "source_hash": "4b99625145b923339461f2e24b6da63efcd517a1b07b1bc72486e2c8c8fc8db1", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Mark assorted GUC variables as PGDLLIMPORT, to ease porting extension modules to Windows (Metin Doslu)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.8/changes/008", "db_id": "c0571cdf8adad607d1dc42bf43979318", "patch_ids": [], "statement_hash": "fbfd62b69c2a2f2c68aaf7ab8a4791729ed4d5433680a56bbc2482e797ea5b4a", "relations": [{"rule": 2, "type": "equivalent", "target": "7c95bb8479877165a6b12af8a0330d6c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "fbfd62b69c2a2f2c68aaf7ab8a4791729ed4d5433680a56bbc2482e797ea5b4a"}}], "version": "9.6.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7c95bb8479877165a6b12af8a0330d6c", "kind": "equivalent", "version": "10.3", "label": "10.3", "title": "Mark assorted GUC variables as PGDLLIMPORT, to ease porting extension modules to Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "fbfd62b69c2a2f2c68aaf7ab8a4791729ed4d5433680a56bbc2482e797ea5b4a"}, "url": "/docs/compare/?release=10.3#10.3-117d5f69d838fc2b", "source_url": "/docs/release/10.3/#id-1.11.6.25.5"}]}]}, {"date": "2018-02-08", "build": "9.6.7", "major": "9.6", "minor": 7, "manual": "9.6", "status": "stable", "doc_git": "", "version": "9.6.7", "eol_date": "2021-11-11", "date_text": "2018-02-08", "supported": false, "manual_url": "/docs/9.6/release-9-6-7.html", "source_url": "/docs/release/9.6.7/", "entry_count": 37, "placeholder": false, "content_hash": "614dd763fe908afa4727baf4ed62dc04ff074778f5497a936af4b85c8486e042", "manual_build": "9.6.24", "source_as_of": "", "changes_count": 37, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 9.6.X.
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", "text": "Ensure that all temporary files made by pg_upgrade are non-world-readable (Tom Lane, Noah Misch) pg_upgrade normally restricts its temporary files to be readable and writable only by the calling user. But the temporary file containing pg_dumpall -g output would be group- or world-readable, or even writable, if the user's umask setting allows. In typical usage on multi-user machines, the umask and/or the working directory's permissions would be tight enough to prevent problems; but there may be people using pg_upgrade in scenarios where this oversight would permit disclosure of database passwords to unfriendly eyes. (CVE-2018-1053)", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "021daaebd3ce7bf335e347579188952bd5a5f24eb03e913409c3a6c9379d3d69", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that all temporary files made by pg_upgrade are non-world-readable (Tom Lane, Noah Misch) pg_upgrade normally restricts its temporary files to be readable and writable only by the calling user. But the temporary file containing pg_dumpall -g output would be group- or world-readable, or even writable, if the user's umask setting allows. In typical usage on multi-user machines, the umask and/or the working directory's permissions would be tight enough to prevent problems; but there may be people using pg_upgrade in scenarios where this oversight would permit disclosure of database passwords to unfriendly eyes. (CVE-2018-1053)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/001", "db_id": "502a24d61bdbdddb5ce51397266ec1e3", "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372", "relations": [{"rule": 2, "type": "equivalent", "target": "3e27a2a85656b964f66c860c70248836", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}, {"rule": 2, "type": "equivalent", "target": "83f37cc5a00730f2f6efdc8b47a82ae5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}, {"rule": 2, "type": "equivalent", "target": "a787a63eb7d46a13fb49da1d7154952c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}, {"rule": 2, "type": "equivalent", "target": "fa6f83f05c1fadac3a27a2a9b3013242", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}}], "version": "9.6.7", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "fa6f83f05c1fadac3a27a2a9b3013242", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=10.2#10.2-4f881ffec7e1b506", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "3e27a2a85656b964f66c860c70248836", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=9.5.11#9.5.11-4f881ffec7e1b506", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "a787a63eb7d46a13fb49da1d7154952c", "kind": "equivalent", "version": "9.4.16", "label": "9.4.16", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=9.4.16#9.4.16-4f881ffec7e1b506", "source_url": "/docs/release/9.4.16/#AEN121175"}, {"db_id": "83f37cc5a00730f2f6efdc8b47a82ae5", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Ensure that all temporary files made by pg_upgrade are non-world-readable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "6dd22481d519ada003cf3022956ebe0c3ac5fbe8a27e2352c0e114ad33528372"}, "url": "/docs/compare/?release=9.3.21#9.3.21-4f881ffec7e1b506", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.6.7-42b765941060ed1e", "cves": [], "html": "Fix vacuuming of tuples that were updated while key-share locked (Andres Freund, Álvaro Herrera)
\nIn some cases VACUUM would fail to remove such tuples even though they are now dead, leading to assorted data corruption scenarios.
", "text": "Fix vacuuming of tuples that were updated while key-share locked (Andres Freund, Álvaro Herrera) In some cases VACUUM would fail to remove such tuples even though they are now dead, leading to assorted data corruption scenarios.", "title": "Fix vacuuming of tuples that were updated while key-share locked", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "73e84b6632cf99773637b29c40021b5b5d75a976b2e4acd3679a9f2e20abf97a", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix vacuuming of tuples that were updated while key-share locked (Andres Freund, Álvaro Herrera) In some cases VACUUM would fail to remove such tuples even though they are now dead, leading to assorted data corruption scenarios.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/002", "db_id": "578e6835f4779011e8832306cd6043a0", "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4", "relations": [{"rule": 2, "type": "equivalent", "target": "2a6b2f9569c99147470015ad187b73cd", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}, {"rule": 2, "type": "equivalent", "target": "7131bc8c16e7a2bcdc9804fe19434a5a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}, {"rule": 2, "type": "equivalent", "target": "f216ffc4af1e2efa4c6cbec02cfda9a9", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}, {"rule": 2, "type": "equivalent", "target": "f46cd1a709ac4d44c8b5ef458c63bb01", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}}], "version": "9.6.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2a6b2f9569c99147470015ad187b73cd", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=10.2#10.2-42b765941060ed1e", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "7131bc8c16e7a2bcdc9804fe19434a5a", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=9.5.11#9.5.11-42b765941060ed1e", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "f46cd1a709ac4d44c8b5ef458c63bb01", "kind": "equivalent", "version": "9.4.16", "label": "9.4.16", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=9.4.16#9.4.16-42b765941060ed1e", "source_url": "/docs/release/9.4.16/#AEN121175"}, {"db_id": "f216ffc4af1e2efa4c6cbec02cfda9a9", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Fix vacuuming of tuples that were updated while key-share locked", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c8ad791f7bf84f5505a2365b8e22d4c29e36943486f64cccbe995c52c6650bb4"}, "url": "/docs/compare/?release=9.3.21#9.3.21-42b765941060ed1e", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.6.7-9bb9edfcfc8a326f", "cves": [], "html": "Ensure that vacuum will always clean up the pending-insertions list of a GIN index (Masahiko Sawada)
\nThis is necessary to ensure that dead index entries get removed. The old code got it backwards, allowing vacuum to skip the cleanup if some other process were running cleanup concurrently, thus risking invalid entries being left behind in the index.
", "text": "Ensure that vacuum will always clean up the pending-insertions list of a GIN index (Masahiko Sawada) This is necessary to ensure that dead index entries get removed. The old code got it backwards, allowing vacuum to skip the cleanup if some other process were running cleanup concurrently, thus risking invalid entries being left behind in the index.", "title": "Ensure that vacuum will always clean up the pending-insertions list of a GIN index", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "8c8c1ac28d34b9a9de72426bb720f5b15c93fd782a12f6cd2ad61893426d52f9", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that vacuum will always clean up the pending-insertions list of a GIN index (Masahiko Sawada) This is necessary to ensure that dead index entries get removed. The old code got it backwards, allowing vacuum to skip the cleanup if some other process were running cleanup concurrently, thus risking invalid entries being left behind in the index.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/003", "db_id": "3194dc650475d6976ab52d8f1a97adf3", "patch_ids": [], "statement_hash": "76b4a9828b68ca6c3b82cc1056de5eea5b938a6794b1b4ed051156cad5908aef", "relations": [{"rule": 2, "type": "equivalent", "target": "b052376bfcaef1ae4208dc25fdf5d24e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "76b4a9828b68ca6c3b82cc1056de5eea5b938a6794b1b4ed051156cad5908aef"}}], "version": "9.6.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b052376bfcaef1ae4208dc25fdf5d24e", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Ensure that vacuum will always clean up the pending-insertions list of a GIN index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "76b4a9828b68ca6c3b82cc1056de5eea5b938a6794b1b4ed051156cad5908aef"}, "url": "/docs/compare/?release=10.2#10.2-9bb9edfcfc8a326f", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}]}, {"id": "9.6.7-e2aab45cf3aa2f85", "cves": [], "html": "Fix inadequate buffer locking in some LSN fetches (Jacob Champion, Asim Praveen, Ashwin Agrawal)
\nThese errors could result in misbehavior under concurrent load. The potential consequences have not been characterized fully.
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\nLogical decoding may spill WAL records to disk for transactions generating many WAL records. Normally these files are cleaned up after the transaction's commit or abort record arrives; but if no such record is ever seen, the removal code misbehaved.
", "text": "Fix logical decoding to correctly clean up disk files for crashed transactions (Atsushi Torikoshi) Logical decoding may spill WAL records to disk for transactions generating many WAL records. Normally these files are cleaned up after the transaction's commit or abort record arrives; but if no such record is ever seen, the removal code misbehaved.", "title": "Fix logical decoding to correctly clean up disk files for crashed transactions", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "bbf1d7514f30a07c9305af1bd6d08da857a6b22272d1d1e33f0b5a29123994c2", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix logical decoding to correctly clean up disk files for crashed transactions (Atsushi Torikoshi) Logical decoding may spill WAL records to disk for transactions generating many WAL records. Normally these files are cleaned up after the transaction's commit or abort record arrives; but if no such record is ever seen, the removal code misbehaved.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/011", "db_id": "83dd6050e0a3001070dd3a37e3608644", "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58", "relations": [{"rule": 2, "type": "equivalent", "target": "9497dcb4664035e25dea5719273f7775", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58"}}, {"rule": 2, "type": "equivalent", "target": "c1380b5003065cde8718f6de81c5e697", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58"}}, {"rule": 2, "type": "equivalent", "target": "fa34b7fe4ae72800b6f3457f5a514f70", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58"}}], "version": "9.6.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9497dcb4664035e25dea5719273f7775", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix logical decoding to correctly clean up disk files for crashed transactions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58"}, "url": "/docs/compare/?release=10.2#10.2-15df424cd64573cc", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "fa34b7fe4ae72800b6f3457f5a514f70", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix logical decoding to correctly clean up disk files for crashed transactions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58"}, "url": "/docs/compare/?release=9.5.11#9.5.11-15df424cd64573cc", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "c1380b5003065cde8718f6de81c5e697", "kind": "equivalent", "version": "9.4.16", "label": "9.4.16", "title": "Fix logical decoding to correctly clean up disk files for crashed transactions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "22ecb423ef2550addbdb9b0640c074d3b7932d794dd1520927386a27c8c41f58"}, "url": "/docs/compare/?release=9.4.16#9.4.16-15df424cd64573cc", "source_url": "/docs/release/9.4.16/#AEN121175"}]}, {"id": "9.6.7-7dce1a2a04a483ba", "cves": [], "html": "Fix walsender timeout failure and failure to respond to interrupts when processing a large transaction (Petr Jelinek)
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In databases using UTF8 encoding, ignore any XML declaration that asserts a different encoding (Pavel Stehule, Noah Misch)
\nWe always store XML strings in the database encoding, so allowing libxml to act on a declaration of another encoding gave wrong results. In encodings other than UTF8, we don't promise to support non-ASCII XML data anyway, so retain the previous behavior for bug compatibility. This change affects only xpath() and related functions; other XML code paths already acted this way.
Provide for forward compatibility with future minor protocol versions (Robert Haas, Badrul Chowdhury)
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\nParallel query previously tended to hang indefinitely if a worker could not be started, as the result of fork() failure or other low-probability problems.
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", "text": "Avoid unsafe alignment assumptions when working with __int128 (Tom Lane) Typically, compilers assume that __int128 variables are aligned on 16-byte boundaries, but our memory allocation infrastructure isn't prepared to guarantee that, and increasing the setting of MAXALIGN seems infeasible for multiple reasons. Adjust the code to allow use of __int128 only when we can tell the compiler to assume lesser alignment. The only known symptom of this problem so far is crashes in some parallel aggregation queries.", "title": "Avoid unsafe alignment assumptions when working with __int128", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "a747071d2edc7988c4e107f054f5ec3c5d0f93b0c956f514c3d66ea1e5ecb65c", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Avoid unsafe alignment assumptions when working with __int128 (Tom Lane) Typically, compilers assume that __int128 variables are aligned on 16-byte boundaries, but our memory allocation infrastructure isn't prepared to guarantee that, and increasing the setting of MAXALIGN seems infeasible for multiple reasons. Adjust the code to allow use of __int128 only when we can tell the compiler to assume lesser alignment. The only known symptom of this problem so far is crashes in some parallel aggregation queries.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/018", "db_id": "358035aaa951e105360b91b0086db322", "patch_ids": [], "statement_hash": "5ab4008c7c39c4c8d221a32ef9ccce2a76645415e05419661f903f8111dade77", "relations": [{"rule": 2, "type": "equivalent", "target": "8254372163ea60d86d0db416238a1a46", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5ab4008c7c39c4c8d221a32ef9ccce2a76645415e05419661f903f8111dade77"}}, {"rule": 2, "type": "equivalent", "target": "f992d405a4f26889b01734117727425a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5ab4008c7c39c4c8d221a32ef9ccce2a76645415e05419661f903f8111dade77"}}], "version": "9.6.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "8254372163ea60d86d0db416238a1a46", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Avoid unsafe alignment assumptions when working with __int128", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5ab4008c7c39c4c8d221a32ef9ccce2a76645415e05419661f903f8111dade77"}, "url": "/docs/compare/?release=10.2#10.2-af50ff7adc2950f9", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "f992d405a4f26889b01734117727425a", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Avoid unsafe alignment assumptions when working with __int128", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "5ab4008c7c39c4c8d221a32ef9ccce2a76645415e05419661f903f8111dade77"}, "url": "/docs/compare/?release=9.5.11#9.5.11-af50ff7adc2950f9", "source_url": "/docs/release/9.5.11/#AEN129473"}]}, {"id": "9.6.7-a751b0b65fe5df8f", "cves": [], "html": "Prevent stack-overflow crashes when planning extremely deeply nested set operations (UNION/INTERSECT/EXCEPT) (Tom Lane)
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These functions are stated to be Oracle® compatible, but they weren't exactly. In particular, there was a discrepancy in the interpretation of a negative third parameter: Oracle thinks that a negative value indicates the last place where the target substring can begin, whereas our functions took it as the last place where the target can end. Also, Oracle throws an error for a zero or negative fourth parameter, whereas our functions returned zero.
\nThe sample code has been adjusted to match Oracle's behavior more precisely. Users who have copied this code into their applications may wish to update their copies.
", "text": "Fix sample INSTR() functions in the PL/pgSQL documentation (Yugo Nagata, Tom Lane) These functions are stated to be Oracle® compatible, but they weren't exactly. In particular, there was a discrepancy in the interpretation of a negative third parameter: Oracle thinks that a negative value indicates the last place where the target substring can begin, whereas our functions took it as the last place where the target can end. Also, Oracle throws an error for a zero or negative fourth parameter, whereas our functions returned zero. The sample code has been adjusted to match Oracle's behavior more precisely. Users who have copied this code into their applications may wish to update their copies.", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "bb98c8dab7afd9a70dcc6ab2ecaa3069abbd7c7158b59b071b436bc1d41789f7", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix sample INSTR() functions in the PL/pgSQL documentation (Yugo Nagata, Tom Lane) These functions are stated to be Oracle compatible, but they weren't exactly. In particular, there was a discrepancy in the interpretation of a negative third parameter: Oracle thinks that a negative value indicates the last place where the target substring can begin, whereas our functions took it as the last place where the target can end. Also, Oracle throws an error for a zero or negative fourth parameter, whereas our functions returned zero. The sample code has been adjusted to match Oracle's behavior more precisely. Users who have copied this code into their applications may wish to update their copies.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/021", "db_id": "bb1989d6670ac970ea2dad251fc2a4f4", "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba", "relations": [{"rule": 2, "type": "equivalent", "target": "074fbd98682930dbc3e7ac9e8e70373a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}, {"rule": 2, "type": "equivalent", "target": "4122a38677a7d168668c054735ce38bf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}, {"rule": 2, "type": "equivalent", "target": "4deafbbde1d67134a3ba61a5633ecec4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}, {"rule": 2, "type": "equivalent", "target": "f21202afc895bb07ec2a18d95aa85e98", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}}], "version": "9.6.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "4deafbbde1d67134a3ba61a5633ecec4", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=10.2#10.2-6562b96e9e27abc2", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "4122a38677a7d168668c054735ce38bf", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=9.5.11#9.5.11-6562b96e9e27abc2", "source_url": "/docs/release/9.5.11/#AEN129473"}, {"db_id": "f21202afc895bb07ec2a18d95aa85e98", "kind": "equivalent", "version": "9.4.16", "label": "9.4.16", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=9.4.16#9.4.16-6562b96e9e27abc2", "source_url": "/docs/release/9.4.16/#AEN121175"}, {"db_id": "074fbd98682930dbc3e7ac9e8e70373a", "kind": "equivalent", "version": "9.3.21", "label": "9.3.21", "title": "Fix sample INSTR() functions in the PL/pgSQL documentation", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "de23639739a3c95ef29580cb3daca5a44562b6f62313f3abf54e2536496a9aba"}, "url": "/docs/compare/?release=9.3.21#9.3.21-6562b96e9e27abc2", "source_url": "/docs/release/9.3.21/#AEN115635"}]}, {"id": "9.6.7-81ab19703e058dea", "cves": [], "html": "Fix pg_dump to make ACL (permissions), comment, and security label entries reliably identifiable in archive output formats (Tom Lane)
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\nNote that this change has user-visible results in the output of pg_restore --list.
", "text": "Fix pg_dump to make ACL (permissions), comment, and security label entries reliably identifiable in archive output formats (Tom Lane) The \"tag\" portion of an ACL archive entry was usually just the name of the associated object. Make it start with the object type instead, bringing ACLs into line with the convention already used for comment and security label archive entries. Also, fix the comment and security label entries for the whole database, if present, to make their tags start with DATABASE so that they also follow this convention. This prevents false matches in code that tries to identify large-object-related entries by seeing if the tag starts with LARGE OBJECT. That could have resulted in misclassifying entries as data rather than schema, with undesirable results in a schema-only or data-only dump. 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", "text": "Rename pg_rewind's copy_file_range function to avoid conflict with new Linux system call of that name (Andres Freund) This change prevents build failures with newer glibc versions.", "title": "Rename pg_rewind's copy_file_range function to avoid conflict with new Linux system call of that name", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.7/#AEN134783", "source_hash": "ed7bc836f3aa6373a3d5cb861d6397ff37ff0a24894c1c260e3fa7c2072d95c0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Rename pg_rewind's copy_file_range function to avoid conflict with new Linux system call of that name (Andres Freund) This change prevents build failures with newer glibc versions.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.7/changes/023", "db_id": "15df591343519b5476d876f19c9dc608", "patch_ids": [], "statement_hash": "da9577ec4bb49012598aca2938ad76c6d61619463721cf0fa473934d0a58ae5a", "relations": [{"rule": 2, "type": "equivalent", "target": "9a54b364bbc9fab1b05ea2a58c02e7f3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "da9577ec4bb49012598aca2938ad76c6d61619463721cf0fa473934d0a58ae5a"}}, {"rule": 2, "type": "equivalent", "target": "ab3d0a759d27a52424c5ee4b0e2d568c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "da9577ec4bb49012598aca2938ad76c6d61619463721cf0fa473934d0a58ae5a"}}], "version": "9.6.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "9a54b364bbc9fab1b05ea2a58c02e7f3", "kind": "equivalent", "version": "10.2", "label": "10.2", "title": "Rename pg_rewind's copy_file_range function to avoid conflict with new Linux system call of that name", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "da9577ec4bb49012598aca2938ad76c6d61619463721cf0fa473934d0a58ae5a"}, "url": "/docs/compare/?release=10.2#10.2-3363010fb1b9023b", "source_url": "/docs/release/10.2/#id-1.11.6.26.5"}, {"db_id": "ab3d0a759d27a52424c5ee4b0e2d568c", "kind": "equivalent", "version": "9.5.11", "label": "9.5.11", "title": "Rename pg_rewind's copy_file_range function to avoid conflict with new Linux system call of that name", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "da9577ec4bb49012598aca2938ad76c6d61619463721cf0fa473934d0a58ae5a"}, "url": "/docs/compare/?release=9.5.11#9.5.11-3363010fb1b9023b", "source_url": "/docs/release/9.5.11/#AEN129473"}]}, {"id": "9.6.7-83a12e39fbbae989", "cves": [], "html": "In ecpg, detect indicator arrays that do not have the correct length and report an error (David Rader)
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\nThis is an incompatible change, but since the point of the operator was to be used in KNN searches, it seems rather useless as-is. After installing this update, any expression indexes or materialized views using this operator will need to be reindexed/refreshed.
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", "text": "Ensure that INSERT ... ON CONFLICT DO UPDATE checks table permissions and RLS policies in all cases (Dean Rasheed) The update path of INSERT ... ON CONFLICT DO UPDATE requires SELECT permission on the columns of the arbiter index, but it failed to check for that in the case of an arbiter specified by constraint name. In addition, for a table with row level security enabled, it failed to check updated rows against the table's SELECT policies (regardless of how the arbiter index was specified). (CVE-2017-15099)", "title": "Ensure that INSERT ... ON CONFLICT DO UPDATE checks table permissions and RLS policies in all cases", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.6/#AEN134950", "source_hash": "ad95f0bb915c37b3bdc31c0c08e55207936989064014b08bcb3f48c03e7aec3d", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that INSERT ... ON CONFLICT DO UPDATE checks table permissions and RLS policies in all cases (Dean Rasheed) The update path of INSERT ... ON CONFLICT DO UPDATE requires SELECT permission on the columns of the arbiter index, but it failed to check for that in the case of an arbiter specified by constraint name. In addition, for a table with row level security enabled, it failed to check updated rows against the table's SELECT policies (regardless of how the arbiter index was specified). (CVE-2017-15099)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.6/changes/001", "db_id": "66a5de7ed1ca2500e13ee943ddddeed2", "patch_ids": [], "statement_hash": "bdc7b72eb6e30c77a50b455cdec45ebcf7510aef8909d086284ef0df873502c0", "relations": [{"rule": 2, "type": "equivalent", "target": "380f4bcd3b093f63238d5eb7ca39ec32", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "bdc7b72eb6e30c77a50b455cdec45ebcf7510aef8909d086284ef0df873502c0"}}, {"rule": 2, "type": "equivalent", "target": "401afe0c5f64400e64b520a851b9dee3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "bdc7b72eb6e30c77a50b455cdec45ebcf7510aef8909d086284ef0df873502c0"}}], "version": "9.6.6", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "380f4bcd3b093f63238d5eb7ca39ec32", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Ensure that INSERT ... ON CONFLICT DO UPDATE checks table permissions and RLS policies in all cases", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "bdc7b72eb6e30c77a50b455cdec45ebcf7510aef8909d086284ef0df873502c0"}, "url": "/docs/compare/?release=10.1#10.1-2dbffb70763fdb21", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "401afe0c5f64400e64b520a851b9dee3", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Ensure that INSERT ... ON CONFLICT DO UPDATE checks table permissions and RLS policies in all cases", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "bdc7b72eb6e30c77a50b455cdec45ebcf7510aef8909d086284ef0df873502c0"}, "url": "/docs/compare/?release=9.5.10#9.5.10-2dbffb70763fdb21", "source_url": "/docs/release/9.5.10/#AEN129619"}]}, {"id": "9.6.6-8f5e43f4393b2f79", "cves": ["CVE-2017-15098"], "html": "Fix crash due to rowtype mismatch in json{b}_populate_recordset() (Michael Paquier, Tom Lane)
These functions used the result rowtype specified in the FROM ... AS clause without checking that it matched the actual rowtype of the supplied tuple value. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well. (CVE-2017-15098)
", "text": "Fix crash due to rowtype mismatch in json{b}_populate_recordset() (Michael Paquier, Tom Lane) These functions used the result rowtype specified in the FROM ... AS clause without checking that it matched the actual rowtype of the supplied tuple value. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well. (CVE-2017-15098)", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.6/#AEN134950", "source_hash": "ef466fc108438644ee2dc61b75f79e9bac08d4dc2756adf24052f57bd91bad06", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix crash due to rowtype mismatch in json{b}_populate_recordset() (Michael Paquier, Tom Lane) These functions used the result rowtype specified in the FROM ... AS clause without checking that it matched the actual rowtype of the supplied tuple value. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well. (CVE-2017-15098)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.6/changes/002", "db_id": "191926bdadf659c16bd799b814e0d447", "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf", "relations": [{"rule": 2, "type": "equivalent", "target": "37b394189e78d2a3b737d155e68d704d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}, {"rule": 2, "type": "equivalent", "target": "399e2c79d4fb41c334e3d99840aff867", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}, {"rule": 2, "type": "equivalent", "target": "b357626c41922e96515309927cc03818", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}, {"rule": 2, "type": "equivalent", "target": "ea0d6ab24e73c65a676e3d498331a15d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}}], "version": "9.6.6", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "37b394189e78d2a3b737d155e68d704d", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=10.1#10.1-8f5e43f4393b2f79", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "ea0d6ab24e73c65a676e3d498331a15d", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=9.5.10#9.5.10-8f5e43f4393b2f79", "source_url": "/docs/release/9.5.10/#AEN129619"}, {"db_id": "399e2c79d4fb41c334e3d99840aff867", "kind": "equivalent", "version": "9.4.15", "label": "9.4.15", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=9.4.15#9.4.15-8f5e43f4393b2f79", "source_url": "/docs/release/9.4.15/#AEN121301"}, {"db_id": "b357626c41922e96515309927cc03818", "kind": "equivalent", "version": "9.3.20", "label": "9.3.20", "title": "Fix crash due to rowtype mismatch in json{b}_populate_recordset()", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a69b26be09366182ddf5eb40831198aab8c3cc1e4caed1e36f829ab7d9245ebf"}, "url": "/docs/compare/?release=9.3.20#9.3.20-8f5e43f4393b2f79", "source_url": "/docs/release/9.3.20/#AEN115749"}]}, {"id": "9.6.6-2ffb7678a5f366f4", "cves": ["CVE-2017-12172"], "html": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG (Noah Misch)
\nPreviously, the postmaster log file was opened while still running as root. The database owner could therefore mount an attack against another system user by making $PGLOG be a symbolic link to some other file, which would then become corrupted by appending log messages.
\nBy default, these scripts are not installed anywhere. Users who have made use of them will need to manually recopy them, or apply the same changes to their modified versions. If the existing $PGLOG file is root-owned, it will need to be removed or renamed out of the way before restarting the server with the corrected script. (CVE-2017-12172)
", "text": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG (Noah Misch) Previously, the postmaster log file was opened while still running as root. The database owner could therefore mount an attack against another system user by making $PGLOG be a symbolic link to some other file, which would then become corrupted by appending log messages. By default, these scripts are not installed anywhere. Users who have made use of them will need to manually recopy them, or apply the same changes to their modified versions. If the existing $PGLOG file is root-owned, it will need to be removed or renamed out of the way before restarting the server with the corrected script. (CVE-2017-12172)", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.6/#AEN134950", "source_hash": "17f45a4e936bdb211703990d45e492564f7733ce7f335aa8398a2a6cdd12bfa0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG (Noah Misch) Previously, the postmaster log file was opened while still running as root. The database owner could therefore mount an attack against another system user by making $PGLOG be a symbolic link to some other file, which would then become corrupted by appending log messages. By default, these scripts are not installed anywhere. Users who have made use of them will need to manually recopy them, or apply the same changes to their modified versions. If the existing $PGLOG file is root-owned, it will need to be removed or renamed out of the way before restarting the server with the corrected script. (CVE-2017-12172)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.6/changes/003", "db_id": "a859dd3ad16413efde5ed5f881f08378", "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de", "relations": [{"rule": 2, "type": "equivalent", "target": "061da361dc80476b681c7c5d03fc708b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}}, {"rule": 2, "type": "equivalent", "target": "1841cb200c58de883289108126c8e6b6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}}, {"rule": 2, "type": "equivalent", "target": "58dc708b44515e2bcbaa8e8e039dbcca", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}}, {"rule": 2, "type": "equivalent", "target": "a81505d07ebbef14783cac259f1cc534", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}}, {"rule": 2, "type": "equivalent", "target": "e16d073a3ea0513c2861cddeed4600e4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}}], "version": "9.6.6", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "061da361dc80476b681c7c5d03fc708b", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}, "url": "/docs/compare/?release=10.1#10.1-2ffb7678a5f366f4", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "e16d073a3ea0513c2861cddeed4600e4", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}, "url": "/docs/compare/?release=9.5.10#9.5.10-2ffb7678a5f366f4", "source_url": "/docs/release/9.5.10/#AEN129619"}, {"db_id": "1841cb200c58de883289108126c8e6b6", "kind": "equivalent", "version": "9.4.15", "label": "9.4.15", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}, "url": "/docs/compare/?release=9.4.15#9.4.15-2ffb7678a5f366f4", "source_url": "/docs/release/9.4.15/#AEN121301"}, {"db_id": "58dc708b44515e2bcbaa8e8e039dbcca", "kind": "equivalent", "version": "9.3.20", "label": "9.3.20", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}, "url": "/docs/compare/?release=9.3.20#9.3.20-2ffb7678a5f366f4", "source_url": "/docs/release/9.3.20/#AEN115749"}, {"db_id": "a81505d07ebbef14783cac259f1cc534", "kind": "equivalent", "version": "9.2.24", "label": "9.2.24", "title": "Fix sample server-start scripts to become $PGUSER before opening $PGLOG", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "a05e5494d35e22e6034cd6cf9b331d83ceac1c7dd16696fb61f89bfd812c00de"}, "url": "/docs/compare/?release=9.2.24#9.2.24-2ffb7678a5f366f4", "source_url": "/docs/release/9.2.24/#AEN110823"}]}, {"id": "9.6.6-3bcf8b8acae537e7", "cves": [], "html": "Fix BRIN index summarization to handle concurrent table extension correctly (Álvaro Herrera)
\nPreviously, a race condition allowed some table rows to be omitted from the index. It may be necessary to reindex existing BRIN indexes to recover from past occurrences of this problem.
", "text": "Fix BRIN index summarization to handle concurrent table extension correctly (Álvaro Herrera) Previously, a race condition allowed some table rows to be omitted from the index. It may be necessary to reindex existing BRIN indexes to recover from past occurrences of this problem.", "title": "Fix BRIN index summarization to handle concurrent table extension correctly", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.6/#AEN134950", "source_hash": "94f35bab3d4627f03ccd1538f7f8aec79faed15192a65af6b5c5587026627413", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix BRIN index summarization to handle concurrent table extension correctly (Álvaro Herrera) Previously, a race condition allowed some table rows to be omitted from the index. It may be necessary to reindex existing BRIN indexes to recover from past occurrences of this problem.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.6/changes/004", "db_id": "e2e56d22bb5f4dd25374a23426836aee", "patch_ids": [], "statement_hash": "cfdd83034fb7a4ef3ed6e058436900c59d58fb5805ca06dcc36b12967b68fe0b", "relations": [{"rule": 2, "type": "equivalent", "target": "d21d9848fa1bd9d7a5ae1cf39c315556", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cfdd83034fb7a4ef3ed6e058436900c59d58fb5805ca06dcc36b12967b68fe0b"}}, {"rule": 2, "type": "equivalent", "target": "fef51c07bf244be99a243ef30589e76e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cfdd83034fb7a4ef3ed6e058436900c59d58fb5805ca06dcc36b12967b68fe0b"}}], "version": "9.6.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d21d9848fa1bd9d7a5ae1cf39c315556", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Fix BRIN index summarization to handle concurrent table extension correctly", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cfdd83034fb7a4ef3ed6e058436900c59d58fb5805ca06dcc36b12967b68fe0b"}, "url": "/docs/compare/?release=10.1#10.1-3bcf8b8acae537e7", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "fef51c07bf244be99a243ef30589e76e", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Fix BRIN index summarization to handle concurrent table extension correctly", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cfdd83034fb7a4ef3ed6e058436900c59d58fb5805ca06dcc36b12967b68fe0b"}, "url": "/docs/compare/?release=9.5.10#9.5.10-3bcf8b8acae537e7", "source_url": "/docs/release/9.5.10/#AEN129619"}]}, {"id": "9.6.6-e7c2ea76824d95fa", "cves": [], "html": "Fix possible failures during concurrent updates of a BRIN index (Tom Lane)
\nThese race conditions could result in errors like \"invalid index offnum\" or \"inconsistent range map\".
", "text": "Fix possible failures during concurrent updates of a BRIN index (Tom Lane) These race conditions could result in errors like \"invalid index offnum\" or \"inconsistent range map\".", "title": "Fix possible failures during concurrent updates of a BRIN index", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.6/#AEN134950", "source_hash": "8d80917ee37ecab2e6e609b396458c77315c669303eb94deb32ba96082280cf7", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix possible failures during concurrent updates of a BRIN index (Tom Lane) These race conditions could result in errors like invalid index offnum or inconsistent range map.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.6.6/changes/005", "db_id": "08985ba0a6ef6963aa3d32a2df40e916", "patch_ids": [], "statement_hash": "725c1bbdc816d1d29cf9d27cfffb287c3995e518ceadcdaa4ec968ba2f1d6aa8", "relations": [{"rule": 2, "type": "equivalent", "target": "7b4faca00f475c7c2c6e98dabd155d51", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "725c1bbdc816d1d29cf9d27cfffb287c3995e518ceadcdaa4ec968ba2f1d6aa8"}}, {"rule": 2, "type": "equivalent", "target": "b0bcb6ca9d897036eb61462af2c9cca3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "725c1bbdc816d1d29cf9d27cfffb287c3995e518ceadcdaa4ec968ba2f1d6aa8"}}], "version": "9.6.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7b4faca00f475c7c2c6e98dabd155d51", "kind": "equivalent", "version": "10.1", "label": "10.1", "title": "Fix possible failures during concurrent updates of a BRIN index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "725c1bbdc816d1d29cf9d27cfffb287c3995e518ceadcdaa4ec968ba2f1d6aa8"}, "url": "/docs/compare/?release=10.1#10.1-e7c2ea76824d95fa", "source_url": "/docs/release/10.1/#id-1.11.6.27.5"}, {"db_id": "b0bcb6ca9d897036eb61462af2c9cca3", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Fix possible failures during concurrent updates of a BRIN index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "725c1bbdc816d1d29cf9d27cfffb287c3995e518ceadcdaa4ec968ba2f1d6aa8"}, "url": "/docs/compare/?release=9.5.10#9.5.10-e7c2ea76824d95fa", "source_url": "/docs/release/9.5.10/#AEN129619"}]}, {"id": "9.6.6-4104c5bff17cc43f", "cves": [], "html": "Fix crash when logical decoding is invoked from a SPI-using function, in particular any function written in a PL language (Tom Lane)
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Properly reject attempts to convert infinite float values to type numeric (Tom Lane, KaiGai Kohei)
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\nThe planner mistakenly assumed that any range type could be hashed for use in hash joins or hash aggregation, but actually it must check whether the range's subtype has hash support. This does not affect any of the built-in range types, since they're all hashable anyway.
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\nThis allows the intended optimization to occur when a subquery has a result column of type varchar.
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", "text": "Prevent low-probability crash in processing of nested trigger firings (Tom Lane)", "title": "Prevent low-probability crash in processing of nested trigger firings", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.6/#AEN134950", "source_hash": "e4658d09348010a0e0d8dedb5c7dbd213849a6939fb3fdc72b38441f02268900", "section_path": ["Changes"], "commit_groups": [["27c6619e9", "4cd6cd21d", "66fe509be", "825fac5d3", "b1be33593", "bc0974703", "c0d21bdb8"]], "identity_text": "Prevent low-probability crash in processing of nested trigger firings (Tom Lane)", "commit_aliases": ["27c6619e9", "4cd6cd21d", "66fe509be", "825fac5d3", "b1be33593", "bc0974703", "c0d21bdb8"], "source_commits": ["c0d21bdb8"], "source_entry_id": "9.6.6/changes/021", "db_id": "ed52e2c3034cd22ee4499e231c7702e6", "patch_ids": ["680c7f4565370541f0a8df8b83d41215"], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27", "relations": [{"rule": 2, "type": "equivalent", "target": "0a1940517915a4c2940506f17a5eb707", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}}, {"rule": 2, "type": "equivalent", "target": "90bab2f383d8aeb7b288d90321649ca0", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}}, {"rule": 2, "type": "equivalent", "target": "cf10bd02853e41f70bc1a6f1202f41a5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}}, {"rule": 2, "type": "equivalent", "target": "ee96714487e8ca74fd6a107b83a6e2ff", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}}], "version": "9.6.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "cf10bd02853e41f70bc1a6f1202f41a5", "kind": "equivalent", "version": "9.5.10", "label": "9.5.10", "title": "Prevent low-probability crash in processing of nested trigger firings", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}, "url": "/docs/compare/?release=9.5.10#9.5.10-f0db94bb1263e7ec", "source_url": "/docs/release/9.5.10/#AEN129619"}, {"db_id": "ee96714487e8ca74fd6a107b83a6e2ff", "kind": "equivalent", "version": "9.4.15", "label": "9.4.15", "title": "Prevent low-probability crash in processing of nested trigger firings", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}, "url": "/docs/compare/?release=9.4.15#9.4.15-f0db94bb1263e7ec", "source_url": "/docs/release/9.4.15/#AEN121301"}, {"db_id": "0a1940517915a4c2940506f17a5eb707", "kind": "equivalent", "version": "9.3.20", "label": "9.3.20", "title": "Prevent low-probability crash in processing of nested trigger firings", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}, "url": "/docs/compare/?release=9.3.20#9.3.20-f0db94bb1263e7ec", "source_url": "/docs/release/9.3.20/#AEN115749"}, {"db_id": "90bab2f383d8aeb7b288d90321649ca0", "kind": "equivalent", "version": "9.2.24", "label": "9.2.24", "title": "Prevent low-probability crash in processing of nested trigger firings", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "006d1de97c84b7cbcfe2e0d1777726daef03c004b4898572ce009e40f3381b27"}, "url": "/docs/compare/?release=9.2.24#9.2.24-f0db94bb1263e7ec", "source_url": "/docs/release/9.2.24/#AEN110823"}]}, {"id": "9.6.6-67a9113d10db4bee", "cves": [], "html": "Allow COPY's FREEZE option to work when the transaction isolation level is REPEATABLE READ or higher (Noah Misch)
\nThis case was unintentionally broken by a previous bug fix.
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Give a better error message for duplicate column names in ANALYZE (Nathan Bossart)
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Fix pg_dump to ensure that it emits GRANT commands in a valid order (Stephen Frost)
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\nThis is particularly helpful on Windows.
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\nSince this view definition is installed by initdb, merely upgrading will not fix the problem. If you need to fix this in an existing installation, you can, as a superuser, do this in psql:
\nSET search_path TO information_schema;\nCREATE OR REPLACE VIEW table_privileges AS\n SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,\n CAST(grantee.rolname AS sql_identifier) AS grantee,\n CAST(current_database() AS sql_identifier) AS table_catalog,\n CAST(nc.nspname AS sql_identifier) AS table_schema,\n CAST(c.relname AS sql_identifier) AS table_name,\n CAST(c.prtype AS character_data) AS privilege_type,\n CAST(\n CASE WHEN\n -- object owner always has grant options\n pg_has_role(grantee.oid, c.relowner, 'USAGE')\n OR c.grantable\n THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable,\n CAST(CASE WHEN c.prtype = 'SELECT' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS with_hierarchy\n\n FROM (\n SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class\n ) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable),\n pg_namespace nc,\n pg_authid u_grantor,\n (\n SELECT oid, rolname FROM pg_authid\n UNION ALL\n SELECT 0::oid, 'PUBLIC'\n ) AS grantee (oid, rolname)\n\n WHERE c.relnamespace = nc.oid\n AND c.relkind IN ('r', 'v', 'f')\n AND c.grantee = grantee.oid\n AND c.grantor = u_grantor.oid\n AND c.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'DELETE', 'TRUNCATE', 'REFERENCES', 'TRIGGER')\n AND (pg_has_role(u_grantor.oid, 'USAGE')\n OR pg_has_role(grantee.oid, 'USAGE')\n OR grantee.rolname = 'PUBLIC');\n\nThis must be repeated in each database to be fixed, including template0.
", "text": "Show foreign tables in information_schema.table_privileges view (Peter Eisentraut) All other relevant information_schema views include foreign tables, but this one ignored them. Since this view definition is installed by initdb, merely upgrading will not fix the problem. If you need to fix this in an existing installation, you can, as a superuser, do this in psql: SET search_path TO information_schema; CREATE OR REPLACE VIEW table_privileges AS SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor, CAST(grantee.rolname AS sql_identifier) AS grantee, CAST(current_database() AS sql_identifier) AS table_catalog, CAST(nc.nspname AS sql_identifier) AS table_schema, CAST(c.relname AS sql_identifier) AS table_name, CAST(c.prtype AS character_data) AS privilege_type, CAST( CASE WHEN -- object owner always has grant options pg_has_role(grantee.oid, c.relowner, 'USAGE') OR c.grantable THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable, CAST(CASE WHEN c.prtype = 'SELECT' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS with_hierarchy FROM ( SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class ) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable), pg_namespace nc, pg_authid u_grantor, ( SELECT oid, rolname FROM pg_authid UNION ALL SELECT 0::oid, 'PUBLIC' ) AS grantee (oid, rolname) WHERE c.relnamespace = nc.oid AND c.relkind IN ('r', 'v', 'f') AND c.grantee = grantee.oid AND c.grantor = u_grantor.oid AND c.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'DELETE', 'TRUNCATE', 'REFERENCES', 'TRIGGER') AND (pg_has_role(u_grantor.oid, 'USAGE') OR pg_has_role(grantee.oid, 'USAGE') OR grantee.rolname = 'PUBLIC'); This must be repeated in each database to be fixed, including template0.", "title": "Show foreign tables in information_schema.table_privileges view", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.5/#AEN135113", "source_hash": "7f8d4fc87e45efbe69f7cad0e84b5c205cc63664664b66e74af74dd7c081c242", "section_path": ["Changes"], "commit_groups": [["0659465ca", "3ea58216d", "52427015a", "98e6784aa", "9f0f4efc2", "dbeefe64f", "dce90c7c8"]], "identity_text": "Show foreign tables in information_schema.table_privileges view (Peter Eisentraut) All other relevant information_schema views include foreign tables, but this one ignored them. Since this view definition is installed by initdb, merely upgrading will not fix the problem. 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", "text": "Change ecpg's parser to allow RETURNING clauses without attached C variables (Michael Meskes) This allows ecpg programs to contain SQL constructs that use RETURNING internally (for example, inside a CTE) rather than using it to define values to be returned to the client.", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.5/#AEN135113", "source_hash": "e3ffaa4edb55e77dd8b2e347277378b0352c4934edb3659faa54df88dea700c8", "section_path": ["Changes"], "commit_groups": [["3d7a1e2b9", "60b135c82", "bd502753a", "ea0ca75d5", "f2ed2d0a1", "f8bc6b2f6"]], "identity_text": "Change ecpg's parser to allow RETURNING clauses without attached C variables (Michael Meskes) This allows ecpg programs to contain SQL constructs that use RETURNING internally (for example, inside a CTE) rather than using it to define values to be returned to the client.", "commit_aliases": ["3d7a1e2b9", "60b135c82", "bd502753a", "ea0ca75d5", "f2ed2d0a1", "f8bc6b2f6"], "source_commits": ["3d7a1e2b9"], "source_entry_id": "9.6.5/changes/007", "db_id": "cff3c4860563f6b8bc8a0dd39b1e7d98", "patch_ids": ["fb2f8cb14a24dc72215a65db81bc6a53"], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348", "relations": [{"rule": 2, "type": "equivalent", "target": "1c903c2b45dfeb3c4c69edb715182ffc", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}, {"rule": 2, "type": "equivalent", "target": "397743f1137bc45382759daafaf3e467", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}, {"rule": 2, "type": "equivalent", "target": "8b053a8e0c87c6b9951b5c4833080e89", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}, {"rule": 2, "type": "equivalent", "target": "dcfd6b1086dc12dab1f710cc7cc1e6cf", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}}], "version": "9.6.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "dcfd6b1086dc12dab1f710cc7cc1e6cf", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.5.9#9.5.9-3bc949d59fda11b7", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "8b053a8e0c87c6b9951b5c4833080e89", "kind": "equivalent", "version": "9.4.14", "label": "9.4.14", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.4.14#9.4.14-3bc949d59fda11b7", "source_url": "/docs/release/9.4.14/#AEN121403"}, {"db_id": "397743f1137bc45382759daafaf3e467", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.3.19#9.3.19-3bc949d59fda11b7", "source_url": "/docs/release/9.3.19/#AEN115830"}, {"db_id": "1c903c2b45dfeb3c4c69edb715182ffc", "kind": "equivalent", "version": "9.2.23", "label": "9.2.23", "title": "Change ecpg's parser to allow RETURNING clauses without attached C variables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "d6b9a4381c773a279650ba5e7db5fc20d012a093f7442a05e6843358d98fa348"}, "url": "/docs/compare/?release=9.2.23#9.2.23-3bc949d59fda11b7", "source_url": "/docs/release/9.2.23/#AEN110893"}]}, {"id": "9.6.5-0a06e2f64c2d5260", "cves": [], "html": "Change ecpg's parser to recognize backslash continuation of C preprocessor command lines (Michael Meskes)
", "text": "Change ecpg's parser to recognize backslash continuation of C preprocessor command lines (Michael Meskes)", "title": "Change ecpg's parser to recognize backslash continuation of C preprocessor command lines", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.5/#AEN135113", "source_hash": "d8a45fe8c7ff93a98eb144b5df22afc466d2d683908d0484e746fc3ea57535f5", "section_path": ["Changes"], "commit_groups": [["954490fec", "a4619b26a", "a6b174f55"]], "identity_text": "Change ecpg's parser to recognize backslash continuation of C preprocessor command lines (Michael Meskes)", "commit_aliases": ["954490fec", "a4619b26a", "a6b174f55"], "source_commits": ["954490fec"], "source_entry_id": "9.6.5/changes/008", "db_id": "4d1ce8de029b29c286bce782cf9380a0", "patch_ids": ["fb5c8e99a48ffd5e0c944aa1280012d5"], "statement_hash": "b43de4e4549723df7ecba4769f1a27b90b75080c3fd86c2ac6a1cad099db8e71", "relations": [], "version": "9.6.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "9.6.5-8f60e466f4554514", "cves": [], "html": "Improve selection of compiler flags for PL/Perl on Windows (Tom Lane)
\nThis fix avoids possible crashes of PL/Perl due to inconsistent assumptions about the width of time_t values. A side-effect that may be visible to extension developers is that _USE_32BIT_TIME_T is no longer defined globally in PostgreSQL Windows builds. This is not expected to cause problems, because type time_t is not used in any PostgreSQL API definitions.
", "text": "Improve selection of compiler flags for PL/Perl on Windows (Tom Lane) This fix avoids possible crashes of PL/Perl due to inconsistent assumptions about the width of time_t values. A side-effect that may be visible to extension developers is that _USE_32BIT_TIME_T is no longer defined globally in PostgreSQL Windows builds. This is not expected to cause problems, because type time_t is not used in any PostgreSQL API definitions.", "title": "Improve selection of compiler flags for PL/Perl on Windows", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.5/#AEN135113", "source_hash": "01fd58281bd37e03093ec072c148ccaf361ca0c7482b66a304715423d970ad02", "section_path": ["Changes"], "commit_groups": [["01de7ea85", "1621a7553", "25169b948", "3883be3ea", "5a5c2feca", "e3335ec0b"], ["1d7a479d2", "4f862351d", "b5178c5d0", "bc4404405", "bff216d87", "c34331488", "f7e4783dd"]], "identity_text": "Improve selection of compiler flags for PL/Perl on Windows (Tom Lane) This fix avoids possible crashes of PL/Perl due to inconsistent assumptions about the width of time_t values. A side-effect that may be visible to extension developers is that _USE_32BIT_TIME_T is no longer defined globally in PostgreSQL Windows builds. This is not expected to cause problems, because type time_t is not used in any PostgreSQL API definitions.", "commit_aliases": ["01de7ea85", "1621a7553", "1d7a479d2", "25169b948", "3883be3ea", "4f862351d", "5a5c2feca", "b5178c5d0", "bc4404405", "bff216d87", "c34331488", "e3335ec0b", "f7e4783dd"], "source_commits": ["3883be3ea", "c34331488"], "source_entry_id": "9.6.5/changes/009", "db_id": "174ebed95fdf320d91b3db9f71a9265a", "patch_ids": ["68c9ec54e599f67e8dd10fe0550afb03", "819d54a8cfe08643b3fbd32dc5e5131e"], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66", "relations": [{"rule": 2, "type": "equivalent", "target": "a8ad0fb10f04704616588a82af98dbff", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}, {"rule": 2, "type": "equivalent", "target": "f490072174f6dab4a7f5d5d01709bc8c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}, {"rule": 2, "type": "equivalent", "target": "fc4dc1c8fda86f29580edb9411bbad9a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}, {"rule": 2, "type": "equivalent", "target": "ff5f500a1e1a883ae5db2f02f35c34a3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}}], "version": "9.6.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ff5f500a1e1a883ae5db2f02f35c34a3", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.5.9#9.5.9-8f60e466f4554514", "source_url": "/docs/release/9.5.9/#AEN129750"}, {"db_id": "fc4dc1c8fda86f29580edb9411bbad9a", "kind": "equivalent", "version": "9.4.14", "label": "9.4.14", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.4.14#9.4.14-8f60e466f4554514", "source_url": "/docs/release/9.4.14/#AEN121403"}, {"db_id": "a8ad0fb10f04704616588a82af98dbff", "kind": "equivalent", "version": "9.3.19", "label": "9.3.19", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.3.19#9.3.19-8f60e466f4554514", "source_url": "/docs/release/9.3.19/#AEN115830"}, {"db_id": "f490072174f6dab4a7f5d5d01709bc8c", "kind": "equivalent", "version": "9.2.23", "label": "9.2.23", "title": "Improve selection of compiler flags for PL/Perl on Windows", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "59dc800097c8d118dc36d0f41fc2de69995f5298e698406c8c044ec4ab49dc66"}, "url": "/docs/compare/?release=9.2.23#9.2.23-8f60e466f4554514", "source_url": "/docs/release/9.2.23/#AEN110893"}]}, {"id": "9.6.5-706165f45a5d8465", "cves": [], "html": "Fix make check to behave correctly when invoked via a non-GNU make program (Thomas Munro)
", "text": "Fix make check to behave correctly when invoked via a non-GNU make program (Thomas Munro)", "title": "Fix make check to behave correctly when invoked via a non-GNU make program", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.5/#AEN135113", "source_hash": "fcab549fdd45ba1dbdcf9d051cbd161ca324d51e078eaf56852a3cdf1f16b0bc", "section_path": ["Changes"], "commit_groups": [["a76200de8", "a784d5f21", "fc2aafe4a"]], "identity_text": "Fix make check to behave correctly when invoked via a non-GNU make program (Thomas Munro)", "commit_aliases": ["a76200de8", "a784d5f21", "fc2aafe4a"], "source_commits": ["fc2aafe4a"], "source_entry_id": "9.6.5/changes/010", "db_id": "47ba35d2c48f35bc6f3aa18562bca457", "patch_ids": ["a8be94464ad59c656d29aeff6ec89830"], "statement_hash": "97d4224c58dc3ee5a6f07b0b104b700afc6275717d3f882306c8cf9a045cf41f", "relations": [{"rule": 2, "type": "equivalent", "target": "053f49b4f93ec90ec2c742afb5581884", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "97d4224c58dc3ee5a6f07b0b104b700afc6275717d3f882306c8cf9a045cf41f"}}], "version": "9.6.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "053f49b4f93ec90ec2c742afb5581884", "kind": "equivalent", "version": "9.5.9", "label": "9.5.9", "title": "Fix make check to behave correctly when invoked via a non-GNU make program", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "97d4224c58dc3ee5a6f07b0b104b700afc6275717d3f882306c8cf9a045cf41f"}, "url": "/docs/compare/?release=9.5.9#9.5.9-706165f45a5d8465", "source_url": "/docs/release/9.5.9/#AEN129750"}]}]}, {"date": "2017-08-10", "build": "9.6.4", "major": "9.6", "minor": 4, "manual": "9.6", "status": "stable", "doc_git": "", "version": "9.6.4", "eol_date": "2021-11-11", "date_text": "2017-08-10", "supported": false, "manual_url": "/docs/9.6/release-9-6-4.html", "source_url": "/docs/release/9.6.4/", "entry_count": 60, "placeholder": false, "content_hash": "101a45ec03a70c8b8eed1a3c93f6264691c265eee2037c7ed9b4890a410fea9c", "manual_build": "9.6.24", "source_as_of": "", "changes_count": 60, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 9.6.X.
\nHowever, if you use foreign data servers that make use of user passwords for authentication, see the first changelog entry below.
\nAlso, if you are upgrading from a version earlier than 9.6.3, see Section E.22.
", "compatibility_count": 0, "label": "9.6.4", "status_label": "Historical", "eol": "2021-11-11", "age_days": 3337, "support_days": -1783, "entries": [{"id": "9.6.4-a58d7f58ef83d6db", "cves": ["CVE-2017-7486", "CVE-2017-7547"], "html": "Further restrict visibility of pg_user_mappings.umoptions, to protect passwords stored as user mapping options (Noah Misch)
\nThe fix for CVE-2017-7486 was incorrect: it allowed a user to see the options in her own user mapping, even if she did not have USAGE permission on the associated foreign server. Such options might include a password that had been provided by the server owner rather than the user herself. Since information_schema.user_mapping_options does not show the options in such cases, pg_user_mappings should not either. (CVE-2017-7547)
\nBy itself, this patch will only fix the behavior in newly initdb'd databases. If you wish to apply this change in an existing database, you will need to do the following:
\nRestart the postmaster after adding allow_system_table_mods = true to postgresql.conf. (In versions supporting ALTER SYSTEM, you can use that to make the configuration change, but you'll still need a restart.)
\nIn each database of the cluster, run the following commands as superuser:
\nSET search_path = pg_catalog;\nCREATE OR REPLACE VIEW pg_user_mappings AS\n SELECT\n U.oid AS umid,\n S.oid AS srvid,\n S.srvname AS srvname,\n U.umuser AS umuser,\n CASE WHEN U.umuser = 0 THEN\n 'public'\n ELSE\n A.rolname\n END AS usename,\n CASE WHEN (U.umuser <> 0 AND A.rolname = current_user\n AND (pg_has_role(S.srvowner, 'USAGE')\n OR has_server_privilege(S.oid, 'USAGE')))\n OR (U.umuser = 0 AND pg_has_role(S.srvowner, 'USAGE'))\n OR (SELECT rolsuper FROM pg_authid WHERE rolname = current_user)\n THEN U.umoptions\n ELSE NULL END AS umoptions\n FROM pg_user_mapping U\n LEFT JOIN pg_authid A ON (A.oid = U.umuser) JOIN\n pg_foreign_server S ON (U.umserver = S.oid);\n
Do not forget to include the template0 and template1 databases, or the vulnerability will still exist in databases you create later. To fix template0, you'll need to temporarily make it accept connections. In PostgreSQL 9.5 and later, you can use
\nALTER DATABASE template0 WITH ALLOW_CONNECTIONS true;\n\n
and then after fixing template0, undo that with
\nALTER DATABASE template0 WITH ALLOW_CONNECTIONS false;\n\n
In prior versions, instead use
\nUPDATE pg_database SET datallowconn = true WHERE datname = 'template0';\nUPDATE pg_database SET datallowconn = false WHERE datname = 'template0';\n
Finally, remove the allow_system_table_mods configuration setting, and again restart the postmaster.
\nDisallow empty passwords in all password-based authentication methods (Heikki Linnakangas)
\nlibpq ignores empty password specifications, and does not transmit them to the server. So, if a user's password has been set to the empty string, it's impossible to log in with that password via psql or other libpq-based clients. An administrator might therefore believe that setting the password to empty is equivalent to disabling password login. However, with a modified or non-libpq-based client, logging in could be possible, depending on which authentication method is configured. In particular the most common method, md5, accepted empty passwords. Change the server to reject empty passwords in all cases. (CVE-2017-7546)
", "text": "Disallow empty passwords in all password-based authentication methods (Heikki Linnakangas) libpq ignores empty password specifications, and does not transmit them to the server. So, if a user's password has been set to the empty string, it's impossible to log in with that password via psql or other libpq-based clients. An administrator might therefore believe that setting the password to empty is equivalent to disabling password login. However, with a modified or non-libpq-based client, logging in could be possible, depending on which authentication method is configured. In particular the most common method, md5, accepted empty passwords. Change the server to reject empty passwords in all cases. (CVE-2017-7546)", "title": "Disallow empty passwords in all password-based authentication methods", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.4/#AEN135178", "source_hash": "0b15b62725ee6732b6e872513f39e262a70b76233e931fc9eb7584da8836efee", "section_path": ["Changes"], "commit_groups": [["06651648a", "127835ddf", "b2f833ea7", "bf6b9e944", "d5d46d99b", "f6fc72cb6"]], "identity_text": "Disallow empty passwords in all password-based authentication methods (Heikki Linnakangas) libpq ignores empty password specifications, and does not transmit them to the server. So, if a user's password has been set to the empty string, it's impossible to log in with that password via psql or other libpq-based clients. An administrator might therefore believe that setting the password to empty is equivalent to disabling password login. However, with a modified or non-libpq-based client, logging in could be possible, depending on which authentication method is configured. In particular the most common method, md5, accepted empty passwords. Change the server to reject empty passwords in all cases. (CVE-2017-7546)", "commit_aliases": ["06651648a", "127835ddf", "b2f833ea7", "bf6b9e944", "d5d46d99b", "f6fc72cb6"], "source_commits": ["f6fc72cb6"], "source_entry_id": "9.6.4/changes/002", "db_id": "40acd6d17343ed4ffc6e174a3ba3d54b", "patch_ids": ["ead756eb15ba40bf21794f911086badf"], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70", "relations": [{"rule": 2, "type": "equivalent", "target": "25dc2f083ab66c1e49733c8097ace563", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}, {"rule": 2, "type": "equivalent", "target": "69397c3edcff5d4d9add77abd127c3c7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}, {"rule": 2, "type": "equivalent", "target": "84b04fd1018199fb6cd762ee8453dc5c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}, {"rule": 2, "type": "equivalent", "target": "fa4d8a03c1f22fe89447983939f7c916", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}}], "version": "9.6.4", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "fa4d8a03c1f22fe89447983939f7c916", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.5.8#9.5.8-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.5.8/#AEN129810"}, {"db_id": "25dc2f083ab66c1e49733c8097ace563", "kind": "equivalent", "version": "9.4.13", "label": "9.4.13", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.4.13#9.4.13-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.4.13/#AEN121463"}, {"db_id": "84b04fd1018199fb6cd762ee8453dc5c", "kind": "equivalent", "version": "9.3.18", "label": "9.3.18", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.3.18#9.3.18-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.3.18/#AEN115887"}, {"db_id": "69397c3edcff5d4d9add77abd127c3c7", "kind": "equivalent", "version": "9.2.22", "label": "9.2.22", "title": "Disallow empty passwords in all password-based authentication methods", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "cc4bc48394a4dd716143d3fade767645ef394af6f493bf13e77a885e081f3a70"}, "url": "/docs/compare/?release=9.2.22#9.2.22-dd9fc2f4e5939b2d", "source_url": "/docs/release/9.2.22/#AEN110949"}]}, {"id": "9.6.4-a943a5910c9b2907", "cves": ["CVE-2017-7548"], "html": "Make lo_put() check for UPDATE privilege on the target large object (Tom Lane, Michael Paquier)
lo_put() should surely require the same permissions as lowrite(), but the check was missing, allowing any user to change the data in a large object. (CVE-2017-7548)
Correct the documentation about the process for upgrading standby servers with pg_upgrade (Bruce Momjian)
\nThe previous documentation instructed users to start/stop the primary server after running pg_upgrade but before syncing the standby servers. This sequence is unsafe.
", "text": "Correct the documentation about the process for upgrading standby servers with pg_upgrade (Bruce Momjian) The previous documentation instructed users to start/stop the primary server after running pg_upgrade but before syncing the standby servers. This sequence is unsafe.", "title": "Correct the documentation about the process for upgrading standby servers with pg_upgrade", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.4/#AEN135178", "source_hash": "01a0a7b970974e7a7a748007ee1a9597d173b2c74cdf87ea28e724f8049ba7e5", "section_path": ["Changes"], "commit_groups": [["0f33a719f", "a0873fbab", "fd376afc9"]], "identity_text": "Correct the documentation about the process for upgrading standby servers with pg_upgrade (Bruce Momjian) The previous documentation instructed users to start/stop the primary server after running pg_upgrade but before syncing the standby servers. This sequence is unsafe.", "commit_aliases": ["0f33a719f", "a0873fbab", "fd376afc9"], "source_commits": ["a0873fbab"], "source_entry_id": "9.6.4/changes/004", "db_id": "981170f5b2f5d00dd184bf992886136c", "patch_ids": ["ed383c0be3062dfd2d5907150bc766bb"], "statement_hash": "511e47dc46013326b22e07c8a8951bfbd928f014544ba05b43c042d42afe1591", "relations": [{"rule": 2, "type": "equivalent", "target": "509a10b2a74a2d4ef0b3142f3517abf8", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "511e47dc46013326b22e07c8a8951bfbd928f014544ba05b43c042d42afe1591"}}], "version": "9.6.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "509a10b2a74a2d4ef0b3142f3517abf8", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Correct the documentation about the process for upgrading standby servers with pg_upgrade", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "511e47dc46013326b22e07c8a8951bfbd928f014544ba05b43c042d42afe1591"}, "url": "/docs/compare/?release=9.5.8#9.5.8-0967edf8000461a9", "source_url": "/docs/release/9.5.8/#AEN129810"}]}, {"id": "9.6.4-623d4d312fd68551", "cves": [], "html": "Fix concurrent locking of tuple update chains (Álvaro Herrera)
\nIf several sessions concurrently lock a tuple update chain with nonconflicting lock modes using an old snapshot, and they all succeed, it was possible for some of them to nonetheless fail (and conclude there is no live tuple version) due to a race condition. This had consequences such as foreign-key checks failing to see a tuple that definitely exists but is being updated concurrently.
", "text": "Fix concurrent locking of tuple update chains (Álvaro Herrera) If several sessions concurrently lock a tuple update chain with nonconflicting lock modes using an old snapshot, and they all succeed, it was possible for some of them to nonetheless fail (and conclude there is no live tuple version) due to a race condition. This had consequences such as foreign-key checks failing to see a tuple that definitely exists but is being updated concurrently.", "title": "Fix concurrent locking of tuple update chains", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.4/#AEN135178", "source_hash": "7ae5fa6f198c717aa339426c1ee38daa11f46f7512ee9286398bba82cf34efe9", "section_path": ["Changes"], "commit_groups": [["0d4604ad6", "2efbfb94b", "459c64d32", "8c348765f", "dfd091985"]], "identity_text": "Fix concurrent locking of tuple update chains (Álvaro Herrera) If several sessions concurrently lock a tuple update chain with nonconflicting lock modes using an old snapshot, and they all succeed, it was possible for some of them to nonetheless fail (and conclude there is no live tuple version) due to a race condition. This had consequences such as foreign-key checks failing to see a tuple that definitely exists but is being updated concurrently.", "commit_aliases": ["0d4604ad6", "2efbfb94b", "459c64d32", "8c348765f", "dfd091985"], "source_commits": ["8c348765f"], "source_entry_id": "9.6.4/changes/005", "db_id": "5021acaa49f542ee7a1757b451c26dd4", "patch_ids": ["96fd78ec6d36c45653dc486426a98b50"], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907", "relations": [{"rule": 2, "type": "equivalent", "target": "26f8fce38455ae9b217177c8d0dc47a1", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}}, {"rule": 2, "type": "equivalent", "target": "8226a3ad10843c3de2b89569870d5b73", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}}, {"rule": 2, "type": "equivalent", "target": "cc57bf2a68570429ea08bcb73f511f0d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}}], "version": "9.6.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "cc57bf2a68570429ea08bcb73f511f0d", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Fix concurrent locking of tuple update chains", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}, "url": "/docs/compare/?release=9.5.8#9.5.8-623d4d312fd68551", "source_url": "/docs/release/9.5.8/#AEN129810"}, {"db_id": "26f8fce38455ae9b217177c8d0dc47a1", "kind": "equivalent", "version": "9.4.13", "label": "9.4.13", "title": "Fix concurrent locking of tuple update chains", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}, "url": "/docs/compare/?release=9.4.13#9.4.13-623d4d312fd68551", "source_url": "/docs/release/9.4.13/#AEN121463"}, {"db_id": "8226a3ad10843c3de2b89569870d5b73", "kind": "equivalent", "version": "9.3.18", "label": "9.3.18", "title": "Fix concurrent locking of tuple update chains", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7715c88ff833c4f995f3ebf65b02759a9b46b8c41fa56885649dd73cf2965907"}, "url": "/docs/compare/?release=9.3.18#9.3.18-623d4d312fd68551", "source_url": "/docs/release/9.3.18/#AEN115887"}]}, {"id": "9.6.4-906f548fa0b214bc", "cves": [], "html": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member (Teodor Sigaev)
", "text": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member (Teodor Sigaev)", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.4/#AEN135178", "source_hash": "a17c19dd88f4c12bd1b190d0c3f44c733f6f6d7a6dbe0827323f308e31546aff", "section_path": ["Changes"], "commit_groups": [["31b8db8e6", "42f62e4c9", "b90e4ca3e", "f371cc9e9", "fb2d385e6"]], "identity_text": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member (Teodor Sigaev)", "commit_aliases": ["31b8db8e6", "42f62e4c9", "b90e4ca3e", "f371cc9e9", "fb2d385e6"], "source_commits": ["42f62e4c9"], "source_entry_id": "9.6.4/changes/006", "db_id": "3468fa6a3ba50966f59fc08c2e94add7", "patch_ids": ["8159c59d23582a5be7804e0da896a840"], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a", "relations": [{"rule": 2, "type": "equivalent", "target": "6474732a344a1a3c98e4d8c98d30ccdc", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}}, {"rule": 2, "type": "equivalent", "target": "dd3dc6a49e24957cea1d5623a01d9d3a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}}, {"rule": 2, "type": "equivalent", "target": "edf521238b1e56374b823c0a408a8139", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}}], "version": "9.6.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "edf521238b1e56374b823c0a408a8139", "kind": "equivalent", "version": "9.5.8", "label": "9.5.8", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}, "url": "/docs/compare/?release=9.5.8#9.5.8-906f548fa0b214bc", "source_url": "/docs/release/9.5.8/#AEN129810"}, {"db_id": "dd3dc6a49e24957cea1d5623a01d9d3a", "kind": "equivalent", "version": "9.4.13", "label": "9.4.13", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}, "url": "/docs/compare/?release=9.4.13#9.4.13-906f548fa0b214bc", "source_url": "/docs/release/9.4.13/#AEN121463"}, {"db_id": "6474732a344a1a3c98e4d8c98d30ccdc", "kind": "equivalent", "version": "9.3.18", "label": "9.3.18", "title": "Fix potential data corruption when freezing a tuple whose XMAX is a multixact with exactly one still-interesting member", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ab694c3bb70fd6fde4eeb5967c2aae88de1df0f6d9ac2dd78243c1a738de097a"}, "url": "/docs/compare/?release=9.3.18#9.3.18-906f548fa0b214bc", "source_url": "/docs/release/9.3.18/#AEN115887"}]}, {"id": "9.6.4-b4193156f01421a1", "cves": [], "html": "Avoid integer overflow and ensuing crash when sorting more than one billion tuples in-memory (Sergey Koposov)
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\nThis is expected to fix infrequent child-process-launch failures that are probably due to interference from antivirus products.
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\nRe-applying the comment to the reconstructed constraint could fail with a weird error message, or even crash.
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(CVE-2017-7484)", "title": "Prevent exposure of statistical information via leaky operators", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "c95ac91c72dbf47f18a8d9db98d2afdeb76bebae0e117224003207523e8d2f3f", "section_path": ["Changes"], "commit_groups": [["3e5ea1f9b", "4f1b2089a", "c33c42362", "d035c1b97", "d45cd7c0e", "e2d4ef8de"], ["703da1795", "a199582ef", "b6576e591", "cad159432", "d3f3f9568"]], "identity_text": "Prevent exposure of statistical information via leaky operators (Peter Eisentraut) Some selectivity estimation functions in the planner will apply user-defined operators to values obtained from pg_statistic, such as most common values and histogram entries. This occurs before table permissions are checked, so a nefarious user could exploit the behavior to obtain these values for table columns he does not have permission to read. To fix, fall back to a default estimate if the operator's implementation function is not certified leak-proof and the calling user does not have permission to read the table column whose statistics are needed. At least one of these criteria is satisfied in most cases in practice. (CVE-2017-7484)", "commit_aliases": ["3e5ea1f9b", "4f1b2089a", "703da1795", "a199582ef", "b6576e591", "c33c42362", "cad159432", "d035c1b97", "d3f3f9568", "d45cd7c0e", "e2d4ef8de"], "source_commits": ["c33c42362", "cad159432"], "source_entry_id": "9.6.3/changes/002", "db_id": "f34602fe908d4a966c6ed06935e1f04d", "patch_ids": ["a45127a0a9056656f50fd08768dc2329", "d0ca9c889e4d1d72ed60a395d5f641f1"], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938", "relations": [{"rule": 2, "type": "equivalent", "target": "55ae062c0da94da274405a272c224d04", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}, {"rule": 2, "type": "equivalent", "target": "828d8b499b868526013825cd04ce744e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}, {"rule": 2, "type": "equivalent", "target": "b4b75c05a5ed8817af23933ab3fcec8f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}, {"rule": 2, "type": "equivalent", "target": "bf395c1f6a9c6ae6f5fb7af55beb6d79", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}}], "version": "9.6.3", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "bf395c1f6a9c6ae6f5fb7af55beb6d79", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.5.7#9.5.7-87eaa9ade53cb66b", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "55ae062c0da94da274405a272c224d04", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.4.12#9.4.12-87eaa9ade53cb66b", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "b4b75c05a5ed8817af23933ab3fcec8f", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.3.17#9.3.17-87eaa9ade53cb66b", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "828d8b499b868526013825cd04ce744e", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Prevent exposure of statistical information via leaky operators", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "2302fdc9ede25dd70923fd1e8d3e93edc77b192bd27593b4221b2a1ac089c938"}, "url": "/docs/compare/?release=9.2.21#9.2.21-87eaa9ade53cb66b", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.6.3-559cb25c3768477b", "cves": ["CVE-2017-7485"], "html": "Restore libpq's recognition of the PGREQUIRESSL environment variable (Daniel Gustafsson)
\nProcessing of this environment variable was unintentionally dropped in PostgreSQL 9.3, but its documentation remained. This creates a security hazard, since users might be relying on the environment variable to force SSL-encrypted connections, but that would no longer be guaranteed. Restore handling of the variable, but give it lower priority than PGSSLMODE, to avoid breaking configurations that work correctly with post-9.3 code. (CVE-2017-7485)
", "text": "Restore libpq's recognition of the PGREQUIRESSL environment variable (Daniel Gustafsson) Processing of this environment variable was unintentionally dropped in PostgreSQL 9.3, but its documentation remained. This creates a security hazard, since users might be relying on the environment variable to force SSL-encrypted connections, but that would no longer be guaranteed. Restore handling of the variable, but give it lower priority than PGSSLMODE, to avoid breaking configurations that work correctly with post-9.3 code. (CVE-2017-7485)", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "31a4d7bc661a98ba7320897931ddfcb3107fe8e3b525d018fb1e091c3ebb7b91", "section_path": ["Changes"], "commit_groups": [["0170b10df", "3eab81127", "96d745492", "aafbd1df9", "ed36c1fe1"]], "identity_text": "Restore libpq's recognition of the PGREQUIRESSL environment variable (Daniel Gustafsson) Processing of this environment variable was unintentionally dropped in PostgreSQL 9.3, but its documentation remained. This creates a security hazard, since users might be relying on the environment variable to force SSL-encrypted connections, but that would no longer be guaranteed. Restore handling of the variable, but give it lower priority than PGSSLMODE, to avoid breaking configurations that work correctly with post-9.3 code. (CVE-2017-7485)", "commit_aliases": ["0170b10df", "3eab81127", "96d745492", "aafbd1df9", "ed36c1fe1"], "source_commits": ["aafbd1df9"], "source_entry_id": "9.6.3/changes/003", "db_id": "c438ebbc5a20590f4d47bd544943e961", "patch_ids": ["f0227c9379b194bcb36fdfd5679cc7cf"], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f", "relations": [{"rule": 2, "type": "equivalent", "target": "4b178f576c006f92f17dafd5040b63d4", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}}, {"rule": 2, "type": "equivalent", "target": "8a663d8273a94d653ea47ed9e7245db6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}}, {"rule": 2, "type": "equivalent", "target": "d56eea5fbb1a7d7e8d1587729ca0cf14", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}}], "version": "9.6.3", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4b178f576c006f92f17dafd5040b63d4", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}, "url": "/docs/compare/?release=9.5.7#9.5.7-559cb25c3768477b", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "8a663d8273a94d653ea47ed9e7245db6", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}, "url": "/docs/compare/?release=9.4.12#9.4.12-559cb25c3768477b", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "d56eea5fbb1a7d7e8d1587729ca0cf14", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Restore libpq's recognition of the PGREQUIRESSL environment variable", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7a18b2d433b86e8d648028e83dbd0ce8fd745e426e4895860e0e154a27b10b2f"}, "url": "/docs/compare/?release=9.3.17#9.3.17-559cb25c3768477b", "source_url": "/docs/release/9.3.17/#AEN116096"}]}, {"id": "9.6.3-6b238a397321deb0", "cves": [], "html": "Fix possibly-invalid initial snapshot during logical decoding (Petr Jelinek, Andres Freund)
\nThe initial snapshot created for a logical decoding replication slot was potentially incorrect. This could cause third-party tools that use logical decoding to copy incomplete/inconsistent initial data. This was more likely to happen if the source server was busy at the time of slot creation, or if another logical slot already existed.
\nIf you are using a replication tool that depends on logical decoding, and it should have copied a nonempty data set at the start of replication, it is advisable to recreate the replica after installing this update, or to verify its contents against the source server.
", "text": "Fix possibly-invalid initial snapshot during logical decoding (Petr Jelinek, Andres Freund) The initial snapshot created for a logical decoding replication slot was potentially incorrect. This could cause third-party tools that use logical decoding to copy incomplete/inconsistent initial data. This was more likely to happen if the source server was busy at the time of slot creation, or if another logical slot already existed. If you are using a replication tool that depends on logical decoding, and it should have copied a nonempty data set at the start of replication, it is advisable to recreate the replica after installing this update, or to verify its contents against the source server.", "title": "Fix possibly-invalid initial snapshot during logical decoding", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "e9928db0b8331bf30cd342e384be00e93cb63b72603c8f452ee174146e326061", "section_path": ["Changes"], "commit_groups": [["28afff347", "2bef06d51", "47f896b5c", "5da646138"], ["29e8c881d", "54270d7eb", "56e19d938", "b6ecf26cc"]], "identity_text": "Fix possibly-invalid initial snapshot during logical decoding (Petr Jelinek, Andres Freund) The initial snapshot created for a logical decoding replication slot was potentially incorrect. This could cause third-party tools that use logical decoding to copy incomplete/inconsistent initial data. This was more likely to happen if the source server was busy at the time of slot creation, or if another logical slot already existed. If you are using a replication tool that depends on logical decoding, and it should have copied a nonempty data set at the start of replication, it is advisable to recreate the replica after installing this update, or to verify its contents against the source server.", "commit_aliases": ["28afff347", "29e8c881d", "2bef06d51", "47f896b5c", "54270d7eb", "56e19d938", "5da646138", "b6ecf26cc"], "source_commits": ["28afff347", "29e8c881d"], "source_entry_id": "9.6.3/changes/004", "db_id": "2baaf2e665774e8e2c87b37d9edb045e", "patch_ids": ["8f0d681d19413f377c3b0916df0bae44", "fa0c3e52b7d9017e12cea202901d186f"], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d", "relations": [{"rule": 2, "type": "equivalent", "target": "5b13f9321266666fc498dfe67c993479", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}}, {"rule": 2, "type": "equivalent", "target": "f08f755d70b75ef35c30ae8a6d955c81", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}}], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "f08f755d70b75ef35c30ae8a6d955c81", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix possibly-invalid initial snapshot during logical decoding", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}, "url": "/docs/compare/?release=9.5.7#9.5.7-6b238a397321deb0", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "5b13f9321266666fc498dfe67c993479", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Fix possibly-invalid initial snapshot during logical decoding", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "55d08845b87209b80c37af90ff97947d7d431c9408916fb27e34455eb88b258d"}, "url": "/docs/compare/?release=9.4.12#9.4.12-6b238a397321deb0", "source_url": "/docs/release/9.4.12/#AEN121715"}]}, {"id": "9.6.3-713a97279226cff7", "cves": [], "html": "Fix possible corruption of \"init forks\" of unlogged indexes (Robert Haas, Michael Paquier)
\nThis could result in an unlogged index being set to an invalid state after a crash and restart. Such a problem would persist until the index was dropped and rebuilt.
", "text": "Fix possible corruption of \"init forks\" of unlogged indexes (Robert Haas, Michael Paquier) This could result in an unlogged index being set to an invalid state after a crash and restart. Such a problem would persist until the index was dropped and rebuilt.", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "2ade040b6f354b70f09a2a5f8835258e239667b028597901c96dbbf2d7645fca", "section_path": ["Changes"], "commit_groups": [["36fcb36b8", "6bd7816e7", "87f998203", "b2ae1d6c4", "bbd5e600f", "c17a3f57e"]], "identity_text": "Fix possible corruption of init forks of unlogged indexes (Robert Haas, Michael Paquier) This could result in an unlogged index being set to an invalid state after a crash and restart. Such a problem would persist until the index was dropped and rebuilt.", "commit_aliases": ["36fcb36b8", "6bd7816e7", "87f998203", "b2ae1d6c4", "bbd5e600f", "c17a3f57e"], "source_commits": ["36fcb36b8"], "source_entry_id": "9.6.3/changes/005", "db_id": "ca9e7897b0b819057bd22c3e412c2a31", "patch_ids": ["f38b5e08b09f359102375fc56205e27a"], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95", "relations": [{"rule": 2, "type": "equivalent", "target": "3cd432e6bf2afd9768a1ca6668a16b11", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}, {"rule": 2, "type": "equivalent", "target": "4211c712a1cafeeda59a3774d3215bb6", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}, {"rule": 2, "type": "equivalent", "target": "78b68e1b952f1ca693a0b48ee6e72d22", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}, {"rule": 2, "type": "equivalent", "target": "bd24590e475333f4790f5fe53c61411a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}}], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "bd24590e475333f4790f5fe53c61411a", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.5.7#9.5.7-713a97279226cff7", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "4211c712a1cafeeda59a3774d3215bb6", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.4.12#9.4.12-713a97279226cff7", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "3cd432e6bf2afd9768a1ca6668a16b11", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.3.17#9.3.17-713a97279226cff7", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "78b68e1b952f1ca693a0b48ee6e72d22", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Fix possible corruption of \"init forks\" of unlogged indexes", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "72154e11e8954b335d0bac05809c8026ca9489a2b55963899b1c9caca08b7e95"}, "url": "/docs/compare/?release=9.2.21#9.2.21-713a97279226cff7", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.6.3-e4a83b9f8d78bc1f", "cves": [], "html": "Fix incorrect reconstruction of pg_subtrans entries when a standby server replays a prepared but uncommitted two-phase transaction (Tom Lane)
\nIn most cases this turned out to have no visible ill effects, but in corner cases it could result in circular references in pg_subtrans, potentially causing infinite loops in queries that examine rows modified by the two-phase transaction.
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\nThis optimization supposed that retrieving all columns of a tuple is inexpensive, which is true for ordinary Postgres tuples; but it might not be the case for a custom scan provider.
", "text": "Avoid applying \"physical targetlist\" optimization to custom scans (Dmitry Ivanov, Tom Lane) This optimization supposed that retrieving all columns of a tuple is inexpensive, which is true for ordinary Postgres tuples; but it might not be the case for a custom scan provider.", "title": "Avoid applying \"physical targetlist\" optimization to custom scans", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "84a52f36de9edc75c7d7a5b94195bbe926cb4f73767a1fc2a083813058ce5f25", "section_path": ["Changes"], "commit_groups": [["6c73b390b", "6f0f98bb0", "76799fc89"]], "identity_text": "Avoid applying physical targetlist optimization to custom scans (Dmitry Ivanov, Tom Lane) This optimization supposed that retrieving all columns of a tuple is inexpensive, which is true for ordinary Postgres tuples; but it might not be the case for a custom scan provider.", "commit_aliases": ["6c73b390b", "6f0f98bb0", "76799fc89"], "source_commits": ["6c73b390b"], "source_entry_id": "9.6.3/changes/013", "db_id": "c3c35c72c24cf657ddc462236e622179", "patch_ids": ["fa6d90ac1b11326db1192dd15a282bf3"], "statement_hash": "19cc96774d0cc9fc83e961f896e44e635018b698b9a939e82978f9350873645d", "relations": [{"rule": 2, "type": "equivalent", "target": "7610e1b5bb1b863453b18ad7692044d5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "19cc96774d0cc9fc83e961f896e44e635018b698b9a939e82978f9350873645d"}}], "version": "9.6.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7610e1b5bb1b863453b18ad7692044d5", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Avoid applying \"physical targetlist\" optimization to custom scans", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "19cc96774d0cc9fc83e961f896e44e635018b698b9a939e82978f9350873645d"}, "url": "/docs/compare/?release=9.5.7#9.5.7-d3b5428f4c9f7c21", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.6.3-16b690610ab64037", "cves": [], "html": "Use the correct sub-expression when applying a FOR ALL row-level-security policy (Stephen Frost)
\nIn some cases the WITH CHECK restriction would be applied when the USING restriction is more appropriate.
", "text": "Use the correct sub-expression when applying a FOR ALL row-level-security policy (Stephen Frost) In some cases the WITH CHECK restriction would be applied when the USING restriction is more appropriate.", "title": "Use the correct sub-expression when applying a FOR ALL row-level-security policy", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "025032709cd609fd2de5546da1c78a7ee35bd84fdd31022bfb8275722ed75363", "section_path": ["Changes"], "commit_groups": [["92b15224b", "aa5d3c0b3", "d617c7629"]], "identity_text": "Use the correct sub-expression when applying a FOR ALL row-level-security policy (Stephen Frost) In some cases the WITH CHECK restriction would be applied when the USING restriction is more appropriate.", "commit_aliases": ["92b15224b", "aa5d3c0b3", "d617c7629"], "source_commits": ["92b15224b"], "source_entry_id": "9.6.3/changes/014", "db_id": "2750f7cebe204ecf0be51bb1e2064e0f", "patch_ids": ["d733e2d614b023709459a09a4ca96769"], "statement_hash": "3d0b5f900a8abf2b47d4fa9057a8f3ad9817d70e1ff352397cf5e7f9aba6626d", "relations": [{"rule": 2, "type": "equivalent", "target": "631fae68b9bdbc1d475bad275f143336", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3d0b5f900a8abf2b47d4fa9057a8f3ad9817d70e1ff352397cf5e7f9aba6626d"}}], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "631fae68b9bdbc1d475bad275f143336", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Use the correct sub-expression when applying a FOR ALL row-level-security policy", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "3d0b5f900a8abf2b47d4fa9057a8f3ad9817d70e1ff352397cf5e7f9aba6626d"}, "url": "/docs/compare/?release=9.5.7#9.5.7-16b690610ab64037", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.6.3-c9328ee99c42c738", "cves": [], "html": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL (Julien Rouhaud, Tom Lane)
\nDue to lack of a cache flush step between commands in an extension script file, non-utility queries might not see the effects of an immediately preceding catalog change, such as ALTER TABLE ... RENAME.
", "text": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL (Julien Rouhaud, Tom Lane) Due to lack of a cache flush step between commands in an extension script file, non-utility queries might not see the effects of an immediately preceding catalog change, such as ALTER TABLE ... RENAME.", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "ba66223403121767fdc5bdc71bbcfc1dd570c207c3cac0cafa4d6d511a21c393", "section_path": ["Changes"], "commit_groups": [["062824edd", "9209e0760", "c6b3d0706", "c9d6c564f", "d0d3a57bf", "d56b8b41b"]], "identity_text": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL (Julien Rouhaud, Tom Lane) Due to lack of a cache flush step between commands in an extension script file, non-utility queries might not see the effects of an immediately preceding catalog change, such as ALTER TABLE ... RENAME.", "commit_aliases": ["062824edd", "9209e0760", "c6b3d0706", "c9d6c564f", "d0d3a57bf", "d56b8b41b"], "source_commits": ["d56b8b41b"], "source_entry_id": "9.6.3/changes/015", "db_id": "1a7d8686c8e50760b935ef10ee916805", "patch_ids": ["4c5cec941d359455474538dc8146ac75"], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210", "relations": [{"rule": 2, "type": "equivalent", "target": "091e27d5a961049388f50641f611f375", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}, {"rule": 2, "type": "equivalent", "target": "0d4f2f20b3107b81483a53a687d59d55", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}, {"rule": 2, "type": "equivalent", "target": "5ceac09fd9d4bab483dfd2a50194800a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}, {"rule": 2, "type": "equivalent", "target": "8b609346c52066839e272fc58725e644", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}}], "version": "9.6.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0d4f2f20b3107b81483a53a687d59d55", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.5.7#9.5.7-c9328ee99c42c738", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "8b609346c52066839e272fc58725e644", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.4.12#9.4.12-c9328ee99c42c738", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "5ceac09fd9d4bab483dfd2a50194800a", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.3.17#9.3.17-c9328ee99c42c738", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "091e27d5a961049388f50641f611f375", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Ensure parsing of queries in extension scripts sees the results of immediately-preceding DDL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7cd007e80d6ca53d427cc836baf56b899b99eb8558570ed85e8ed98e90181210"}, "url": "/docs/compare/?release=9.2.21#9.2.21-c9328ee99c42c738", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.6.3-59c256fd7f157862", "cves": [], "html": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index (Noah Misch)
\nThe command failed if the calling user did not currently have CREATE privilege for the tablespace containing the index. That behavior seems unhelpful, so skip the check, allowing the index to be rebuilt where it is.
", "text": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index (Noah Misch) The command failed if the calling user did not currently have CREATE privilege for the tablespace containing the index. That behavior seems unhelpful, so skip the check, allowing the index to be rebuilt where it is.", "title": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "22c2d19db143e9afd008b236c770aed465dfaceb4b0e08afc0113c63d22e9ed0", "section_path": ["Changes"], "commit_groups": [["27a8c8033", "4d43d5d35", "660e457f5", "804aad8ff", "b167d57d5", "f30f34e58"]], "identity_text": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index (Noah Misch) The command failed if the calling user did not currently have CREATE privilege for the tablespace containing the index. That behavior seems unhelpful, so skip the check, allowing the index to be rebuilt where it is.", "commit_aliases": ["27a8c8033", "4d43d5d35", "660e457f5", "804aad8ff", "b167d57d5", "f30f34e58"], "source_commits": ["4d43d5d35"], "source_entry_id": "9.6.3/changes/016", "db_id": "18c29c84842d816ad4eb40f996fba562", "patch_ids": ["1fe7548f85060fdf486089b8d92d1552"], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d", "relations": [{"rule": 2, "type": "equivalent", "target": "4e28fe4f9a051cff71b36536cbe0197c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}}, {"rule": 2, "type": "equivalent", "target": "c38965b3989e4d845a4faf6c853a63b2", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}}, {"rule": 2, "type": "equivalent", "target": "e56aa9bff7867a1f9479bee0dc1ff003", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}}, {"rule": 2, "type": "equivalent", "target": "ed422045ecccee371ff7ba838d17ba51", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}}], "version": "9.6.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ed422045ecccee371ff7ba838d17ba51", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}, "url": "/docs/compare/?release=9.5.7#9.5.7-59c256fd7f157862", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "4e28fe4f9a051cff71b36536cbe0197c", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}, "url": "/docs/compare/?release=9.4.12#9.4.12-59c256fd7f157862", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "e56aa9bff7867a1f9479bee0dc1ff003", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}, "url": "/docs/compare/?release=9.3.17#9.3.17-59c256fd7f157862", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "c38965b3989e4d845a4faf6c853a63b2", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e3c9d71ababcb3e97b2d38558157f78acc3278e6fa2b08f35fd85bc457ef276d"}, "url": "/docs/compare/?release=9.2.21#9.2.21-59c256fd7f157862", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.6.3-e175fb06a3203f9a", "cves": [], "html": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT (Amit Langote)
\nThis fix prevents unwanted \"constraint does not exist\" failures when no matching constraint is present in the child tables.
", "text": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT (Amit Langote) This fix prevents unwanted \"constraint does not exist\" failures when no matching constraint is present in the child tables.", "title": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "5d7f01de6ece0776c41e6d11b1dc05539bd75031b58416704ddd775f8d2dc7b0", "section_path": ["Changes"], "commit_groups": [["6a4dda44e", "8a9c83bfa", "93a07a68e", "954744f7a", "a0291c330", "f60f0c8fe"]], "identity_text": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT (Amit Langote) This fix prevents unwanted constraint does not exist failures when no matching constraint is present in the child tables.", "commit_aliases": ["6a4dda44e", "8a9c83bfa", "93a07a68e", "954744f7a", "a0291c330", "f60f0c8fe"], "source_commits": ["8a9c83bfa"], "source_entry_id": "9.6.3/changes/017", "db_id": "9133d2a12ec3fd2b0a6cea89d097df83", "patch_ids": ["13aa57d03aa94377042e57f1dffec332"], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7", "relations": [{"rule": 2, "type": "equivalent", "target": "81d23cfd99a39dc495d69e569baa889e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}}, {"rule": 2, "type": "equivalent", "target": "879aff98f14e268327e22c922d4e9089", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}}, {"rule": 2, "type": "equivalent", "target": "cb079a253c7af9722536a1bd69e85265", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}}, {"rule": 2, "type": "equivalent", "target": "dae34339a2ec9467a3ace74f31bb3942", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}}], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "879aff98f14e268327e22c922d4e9089", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}, "url": "/docs/compare/?release=9.5.7#9.5.7-e175fb06a3203f9a", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "81d23cfd99a39dc495d69e569baa889e", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}, "url": "/docs/compare/?release=9.4.12#9.4.12-e175fb06a3203f9a", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "cb079a253c7af9722536a1bd69e85265", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}, "url": "/docs/compare/?release=9.3.17#9.3.17-e175fb06a3203f9a", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "dae34339a2ec9467a3ace74f31bb3942", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "506e016e739d202330f73387c06195571792dfa786d626323d84c373db03b4a7"}, "url": "/docs/compare/?release=9.2.21#9.2.21-e175fb06a3203f9a", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.6.3-6e4ed89cb2b008ba", "cves": [], "html": "Avoid dangling pointer in COPY ... TO when row-level security is active for the source table (Tom Lane)
\nUsually this had no ill effects, but sometimes it would cause unexpected errors or crashes.
", "text": "Avoid dangling pointer in COPY ... TO when row-level security is active for the source table (Tom Lane) Usually this had no ill effects, but sometimes it would cause unexpected errors or crashes.", "title": "Avoid dangling pointer in COPY ... TO when row-level security is active for the source table", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "975d3c19871695ef3803fce57db9ee48f7479edf3c4729c888b90b6e0018f33b", "section_path": ["Changes"], "commit_groups": [["420d9ec0a", "943140d57", "a8df75b0a"]], "identity_text": "Avoid dangling pointer in COPY ... TO when row-level security is active for the source table (Tom Lane) Usually this had no ill effects, but sometimes it would cause unexpected errors or crashes.", "commit_aliases": ["420d9ec0a", "943140d57", "a8df75b0a"], "source_commits": ["943140d57"], "source_entry_id": "9.6.3/changes/018", "db_id": "21e6a4bce9ed30487aef9cb7d36ae609", "patch_ids": ["eb098f6ebde60e470cd720555c186ed0"], "statement_hash": "dbe58913005d303dcb2791e2ffb817f07097e8c0352834ae0a458810d05db34e", "relations": [{"rule": 2, "type": "equivalent", "target": "785bb0b6ad6b1baa90f2a9b38ed532f2", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dbe58913005d303dcb2791e2ffb817f07097e8c0352834ae0a458810d05db34e"}}], "version": "9.6.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "785bb0b6ad6b1baa90f2a9b38ed532f2", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Avoid dangling pointer in COPY ... TO when row-level security is active for the source table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dbe58913005d303dcb2791e2ffb817f07097e8c0352834ae0a458810d05db34e"}, "url": "/docs/compare/?release=9.5.7#9.5.7-6e4ed89cb2b008ba", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.6.3-f3e5cdfad21d121d", "cves": [], "html": "Avoid accessing an already-closed relcache entry in CLUSTER and VACUUM FULL (Tom Lane)
\nWith some bad luck, this could lead to indexes on the target relation getting rebuilt with the wrong persistence setting.
", "text": "Avoid accessing an already-closed relcache entry in CLUSTER and VACUUM FULL (Tom Lane) With some bad luck, this could lead to indexes on the target relation getting rebuilt with the wrong persistence setting.", "title": "Avoid accessing an already-closed relcache entry in CLUSTER and VACUUM FULL", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "3fda5ef6160316a01ddee53132a2604c1f46609b78a19da2ec3596271451185a", "section_path": ["Changes"], "commit_groups": [["68f7b91e5", "807df31d1", "dbca84f04"]], "identity_text": "Avoid accessing an already-closed relcache entry in CLUSTER and VACUUM FULL (Tom Lane) With some bad luck, this could lead to indexes on the target relation getting rebuilt with the wrong persistence setting.", "commit_aliases": ["68f7b91e5", "807df31d1", "dbca84f04"], "source_commits": ["68f7b91e5"], "source_entry_id": "9.6.3/changes/019", "db_id": "e889ca676777b58dc8828550e7345907", "patch_ids": ["194f1ca40f310638260085456424263e"], "statement_hash": "07f8cf5e468233ecceca3bbb87645395bef0b8aa04363346062f8e750f7cd89c", "relations": [{"rule": 2, "type": "equivalent", "target": "a6733bd383f23d62fcc72015919cdb38", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "07f8cf5e468233ecceca3bbb87645395bef0b8aa04363346062f8e750f7cd89c"}}], "version": "9.6.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "a6733bd383f23d62fcc72015919cdb38", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Avoid accessing an already-closed relcache entry in CLUSTER and VACUUM FULL", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "07f8cf5e468233ecceca3bbb87645395bef0b8aa04363346062f8e750f7cd89c"}, "url": "/docs/compare/?release=9.5.7#9.5.7-f3e5cdfad21d121d", "source_url": "/docs/release/9.5.7/#AEN130075"}]}, {"id": "9.6.3-f9e735bcb23211e8", "cves": [], "html": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins (Andrew Gierth)
\nThis tended to lead to underestimation of the number of tuples in the table. In the worst case of a small heavily-contended table, VACUUM could incorrectly report that the table contained no tuples, leading to very bad planning choices.
", "text": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins (Andrew Gierth) This tended to lead to underestimation of the number of tuples in the table. In the worst case of a small heavily-contended table, VACUUM could incorrectly report that the table contained no tuples, leading to very bad planning choices.", "title": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "113d089c3a9db4f9b189400599fb2c900a00c83542e808b95af157cf900ab158", "section_path": ["Changes"], "commit_groups": [["1914c5ea7", "269efd052", "8f8a5aefc", "9b626f6c3", "a494ff4b0", "ee78ad5bc"], ["64ae420b2", "733488dc6"]], "identity_text": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins (Andrew Gierth) This tended to lead to underestimation of the number of tuples in the table. In the worst case of a small heavily-contended table, VACUUM could incorrectly report that the table contained no tuples, leading to very bad planning choices.", "commit_aliases": ["1914c5ea7", "269efd052", "64ae420b2", "733488dc6", "8f8a5aefc", "9b626f6c3", "a494ff4b0", "ee78ad5bc"], "source_commits": ["733488dc6", "9b626f6c3"], "source_entry_id": "9.6.3/changes/020", "db_id": "67e235deb3d83dbacc19f40a3784496f", "patch_ids": ["8682fbf015a0f11d04e10537b65ec9f9", "ea72e9a09164a76be7444722ff938dfa"], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85", "relations": [{"rule": 2, "type": "equivalent", "target": "2d36e5ed81ee210a164b25727a73040f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}}, {"rule": 2, "type": "equivalent", "target": "4f92bff860b6c34082de43b62fb3256d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}}, {"rule": 2, "type": "equivalent", "target": "71333b3f0782b3c754f54310fafc44f2", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}}, {"rule": 2, "type": "equivalent", "target": "738d1e7d0259c62f5e61aedc1e31d390", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}}], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2d36e5ed81ee210a164b25727a73040f", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}, "url": "/docs/compare/?release=9.5.7#9.5.7-f9e735bcb23211e8", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "738d1e7d0259c62f5e61aedc1e31d390", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}, "url": "/docs/compare/?release=9.4.12#9.4.12-f9e735bcb23211e8", "source_url": "/docs/release/9.4.12/#AEN121715"}, {"db_id": "4f92bff860b6c34082de43b62fb3256d", "kind": "equivalent", "version": "9.3.17", "label": "9.3.17", "title": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}, "url": "/docs/compare/?release=9.3.17#9.3.17-f9e735bcb23211e8", "source_url": "/docs/release/9.3.17/#AEN116096"}, {"db_id": "71333b3f0782b3c754f54310fafc44f2", "kind": "equivalent", "version": "9.2.21", "label": "9.2.21", "title": "Fix VACUUM to account properly for pages that could not be scanned due to conflicting page pins", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c539ad1307b5499f55caf526e5f45f749931d5ae8869a8a2e3ae8f2959215c85"}, "url": "/docs/compare/?release=9.2.21#9.2.21-f9e735bcb23211e8", "source_url": "/docs/release/9.2.21/#AEN111124"}]}, {"id": "9.6.3-71bfa252a436aa00", "cves": [], "html": "Ensure that bulk-tuple-transfer loops within a hash join are interruptible by query cancel requests (Tom Lane, Thomas Munro)
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\nSP-GiST index scans using the operators &< &> &<| and |&> would yield incorrect answers.
", "text": "Fix incorrect support for certain box operators in SP-GiST (Nikita Glukhov) SP-GiST index scans using the operators &< &> &<| and |&> would yield incorrect answers.", "title": "Fix incorrect support for certain box operators in SP-GiST", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "c39ca7f154e3de34cc74873a159ca483178bc639337656deacad7bf271ce43b5", "section_path": ["Changes"], "commit_groups": [["a4d07d2e9", "d5286aa90"]], "identity_text": "Fix incorrect support for certain box operators in SP-GiST (Nikita Glukhov) SP-GiST index scans using the operators &< &> &<| and |&> would yield incorrect answers.", "commit_aliases": ["a4d07d2e9", "d5286aa90"], "source_commits": ["a4d07d2e9"], "source_entry_id": "9.6.3/changes/022", "db_id": "5ee56db201014945add8533281d2b0ae", "patch_ids": ["ab843860dcb718d51f6db1fed0e7f68e"], "statement_hash": "f3bdf50e665e54ca45eed467a1e22206289e6cb5b3bc80db2b2fa4a7aeb4592c", "relations": [], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "9.6.3-e207493ed9ad3365", "cves": [], "html": "Fix integer-overflow problems in interval comparison (Kyotaro Horiguchi, Tom Lane)
\nThe comparison operators for type interval could yield wrong answers for intervals larger than about 296000 years. Indexes on columns containing such large values should be reindexed, since they may be corrupt.
", "text": "Fix integer-overflow problems in interval comparison (Kyotaro Horiguchi, Tom Lane) The comparison operators for type interval could yield wrong answers for intervals larger than about 296000 years. Indexes on columns containing such large values should be reindexed, since they may be corrupt.", "title": "Fix integer-overflow problems in interval comparison", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.6.3/#AEN135466", "source_hash": "b7d62982786b4daec7451825b54db39c7cd52684e0807ebb7a4b7f51b0c10be2", "section_path": ["Changes"], "commit_groups": [["8851bcf88", "d68a2b20a", "df1a699e5", "fd52b8834"]], "identity_text": "Fix integer-overflow problems in interval comparison (Kyotaro Horiguchi, Tom Lane) The comparison operators for type interval could yield wrong answers for intervals larger than about 296000 years. Indexes on columns containing such large values should be reindexed, since they may be corrupt.", "commit_aliases": ["8851bcf88", "d68a2b20a", "df1a699e5", "fd52b8834"], "source_commits": ["fd52b8834"], "source_entry_id": "9.6.3/changes/023", "db_id": "0077b71b1a112508522b6344a237e809", "patch_ids": ["f4d2518dccc4d40232383dc89c6a840a"], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4", "relations": [{"rule": 2, "type": "equivalent", "target": "0a0db6affb7f39f7ea35725bbbea34d7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}}, {"rule": 2, "type": "equivalent", "target": "ecaa09538553f74070da8438db8e8b6b", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}}], "version": "9.6.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "0a0db6affb7f39f7ea35725bbbea34d7", "kind": "equivalent", "version": "9.5.7", "label": "9.5.7", "title": "Fix integer-overflow problems in interval comparison", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}, "url": "/docs/compare/?release=9.5.7#9.5.7-e207493ed9ad3365", "source_url": "/docs/release/9.5.7/#AEN130075"}, {"db_id": "ecaa09538553f74070da8438db8e8b6b", "kind": "equivalent", "version": "9.4.12", "label": "9.4.12", "title": "Fix integer-overflow problems in interval comparison", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "92b2e5bb9d07607656f3c8b5a8c7f06cfb758ec6708a10b8fd97cb3f35acdfc4"}, "url": "/docs/compare/?release=9.4.12#9.4.12-e207493ed9ad3365", "source_url": "/docs/release/9.4.12/#AEN121715"}]}, {"id": "9.6.3-1c78b5dbf5d29389", "cves": [], "html": "Fix cursor_to_xml() to produce valid output with tableforest = false (Thomas Munro, Peter Eisentraut)
Previously it failed to produce a wrapping <table> element.
", "text": "Fix cursor_to_xml() to produce valid output with tableforest = false (Thomas Munro, Peter Eisentraut) Previously it failed to produce a wrapping