A dump/restore is not required for those running 9.5.X.
\nHowever, if your installation has been affected by the bug described in the first changelog entry below, then after updating you may need to take action to repair corrupted indexes.
\nAlso, if you are upgrading from a version earlier than 9.5.5, see Section E.21.
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\nFailure to adjust the column numbering in the USING expression led to errors, typically \"attribute N has wrong type\".
", "text": "Fix ALTER TABLE ... SET DATA TYPE ... USING when child table has different column ordering than the parent (Álvaro Herrera) Failure to adjust the column numbering in the USING expression led to errors, typically \"attribute N has wrong type\".", "title": "Fix ALTER TABLE ... SET DATA TYPE ... USING when child table has different column ordering than the parent", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "5b72ab636e6b2366abde172cc2787ee4dfc92d8ada1e1c17ec3bb50bb8fae4cc", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix ALTER TABLE ... SET DATA TYPE ... USING when child table has different column ordering than the parent (Álvaro Herrera) Failure to adjust the column numbering in the USING expression led to errors, typically attribute N has wrong type.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/014", "db_id": "f53ee780a2ce6fe941a20416a219a392", "patch_ids": [], "statement_hash": "7124373f373a20f12e4106aa5cee9bea9dc37effb2b71bd4de58181a8f6df07c", "relations": [{"rule": 2, "type": "equivalent", "target": "d3252897c0844d42a3230bec3dae7294", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7124373f373a20f12e4106aa5cee9bea9dc37effb2b71bd4de58181a8f6df07c"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d3252897c0844d42a3230bec3dae7294", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Fix ALTER TABLE ... SET DATA TYPE ... USING when child table has different column ordering than the parent", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7124373f373a20f12e4106aa5cee9bea9dc37effb2b71bd4de58181a8f6df07c"}, "url": "/docs/compare/?release=9.6.2#9.6.2-b6f12c489277e161", "source_url": "/docs/release/9.6.2/#AEN135699"}]}, {"id": "9.5.6-18dd071d722cad74", "cves": [], "html": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT (Amit Langote)
\nThe OID column should be treated the same as regular user columns in this case, but it wasn't, leading to odd behavior in later inheritance changes.
", "text": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT (Amit Langote) The OID column should be treated the same as regular user columns in this case, but it wasn't, leading to odd behavior in later inheritance changes.", "title": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "f10c36b2b95b0c3986e8c118939cbb18ea4929afdf92b665338f82518980ccb1", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT (Amit Langote) The OID column should be treated the same as regular user columns in this case, but it wasn't, leading to odd behavior in later inheritance changes.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/015", "db_id": "1b04a4ada89a2013f7e6daf82f89be94", "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03", "relations": [{"rule": 2, "type": "equivalent", "target": "7187dd1d1fef7844008f543688191aab", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}}, {"rule": 2, "type": "equivalent", "target": "b201bab401077b935165ebdbe790f99a", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}}, {"rule": 2, "type": "equivalent", "target": "bddd782ba9be3b76ffb0d6bee3de9080", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}}, {"rule": 2, "type": "equivalent", "target": "ce5ca50cbec28a07219808056bb5a5cd", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b201bab401077b935165ebdbe790f99a", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}, "url": "/docs/compare/?release=9.6.2#9.6.2-18dd071d722cad74", "source_url": "/docs/release/9.6.2/#AEN135699"}, {"db_id": "bddd782ba9be3b76ffb0d6bee3de9080", "kind": "equivalent", "version": "9.4.11", "label": "9.4.11", "title": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}, "url": "/docs/compare/?release=9.4.11#9.4.11-18dd071d722cad74", "source_url": "/docs/release/9.4.11/#AEN121884"}, {"db_id": "7187dd1d1fef7844008f543688191aab", "kind": "equivalent", "version": "9.3.16", "label": "9.3.16", "title": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}, "url": "/docs/compare/?release=9.3.16#9.3.16-18dd071d722cad74", "source_url": "/docs/release/9.3.16/#AEN116242"}, {"db_id": "ce5ca50cbec28a07219808056bb5a5cd", "kind": "equivalent", "version": "9.2.20", "label": "9.2.20", "title": "Fix processing of OID column when a table with OIDs is associated to a parent with OIDs via ALTER TABLE ... INHERIT", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f9909ddbd3811671fd05a401895b23c661302c7cb8a114ceae1c0d4f32e8aa03"}, "url": "/docs/compare/?release=9.2.20#9.2.20-18dd071d722cad74", "source_url": "/docs/release/9.2.20/#AEN111255"}]}, {"id": "9.5.6-463c93fd14bc88aa", "cves": [], "html": "Fix CREATE OR REPLACE VIEW to update the view query before attempting to apply the new view options (Dean Rasheed)
\nPreviously the command would fail if the new options were inconsistent with the old view definition.
", "text": "Fix CREATE OR REPLACE VIEW to update the view query before attempting to apply the new view options (Dean Rasheed) Previously the command would fail if the new options were inconsistent with the old view definition.", "title": "Fix CREATE OR REPLACE VIEW to update the view query before attempting to apply the new view options", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "9ed98fb4119af4957726b0f4b9dfc3a70dd6722c4cc9b6b440c00c9061d795dc", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix CREATE OR REPLACE VIEW to update the view query before attempting to apply the new view options (Dean Rasheed) Previously the command would fail if the new options were inconsistent with the old view definition.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/016", "db_id": "6e5358beed14dd0b4182dc414c644ebb", "patch_ids": [], "statement_hash": "be5fedbd66b9675ee44acb296dd5dc06694c076ea48502729a510d4498e29faa", "relations": [{"rule": 2, "type": "equivalent", "target": "918e658cf74aa81f91fbb6f8e8352102", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "be5fedbd66b9675ee44acb296dd5dc06694c076ea48502729a510d4498e29faa"}}, {"rule": 2, "type": "equivalent", "target": "c94a440be136f418f40ab1fa05f43f21", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "be5fedbd66b9675ee44acb296dd5dc06694c076ea48502729a510d4498e29faa"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c94a440be136f418f40ab1fa05f43f21", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Fix CREATE OR REPLACE VIEW to update the view query before attempting to apply the new view options", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "be5fedbd66b9675ee44acb296dd5dc06694c076ea48502729a510d4498e29faa"}, "url": "/docs/compare/?release=9.6.2#9.6.2-463c93fd14bc88aa", "source_url": "/docs/release/9.6.2/#AEN135699"}, {"db_id": "918e658cf74aa81f91fbb6f8e8352102", "kind": "equivalent", "version": "9.4.11", "label": "9.4.11", "title": "Fix CREATE OR REPLACE VIEW to update the view query before attempting to apply the new view options", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "be5fedbd66b9675ee44acb296dd5dc06694c076ea48502729a510d4498e29faa"}, "url": "/docs/compare/?release=9.4.11#9.4.11-463c93fd14bc88aa", "source_url": "/docs/release/9.4.11/#AEN121884"}]}, {"id": "9.5.6-a7e5040c5666b3e9", "cves": [], "html": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION (Artur Zakirov)
\nThe wrong catalog OID was reported to extensions such as logical decoding.
", "text": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION (Artur Zakirov) The wrong catalog OID was reported to extensions such as logical decoding.", "title": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "b0754da7091f1706af67d8635b5b21612104621fc08ef54a66a1c92dc190d682", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION (Artur Zakirov) The wrong catalog OID was reported to extensions such as logical decoding.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/017", "db_id": "f2592ddd51722adbe66146a511088ace", "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7", "relations": [{"rule": 2, "type": "equivalent", "target": "2b00c62f4a76d67225f66fa518f613a0", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7"}}, {"rule": 2, "type": "equivalent", "target": "4aeb0eea4216b573306205c5f3d3ab4f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7"}}, {"rule": 2, "type": "equivalent", "target": "924df19334a53f88b93a62caf853b933", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "4aeb0eea4216b573306205c5f3d3ab4f", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7"}, "url": "/docs/compare/?release=9.6.2#9.6.2-a7e5040c5666b3e9", "source_url": "/docs/release/9.6.2/#AEN135699"}, {"db_id": "924df19334a53f88b93a62caf853b933", "kind": "equivalent", "version": "9.4.11", "label": "9.4.11", "title": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7"}, "url": "/docs/compare/?release=9.4.11#9.4.11-a7e5040c5666b3e9", "source_url": "/docs/release/9.4.11/#AEN121884"}, {"db_id": "2b00c62f4a76d67225f66fa518f613a0", "kind": "equivalent", "version": "9.3.16", "label": "9.3.16", "title": "Report correct object identity during ALTER TEXT SEARCH CONFIGURATION", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "692f4dc7e1010ae34e85aa333b79c95a936cab6f94357e5cc72f95ad44258bd7"}, "url": "/docs/compare/?release=9.3.16#9.3.16-a7e5040c5666b3e9", "source_url": "/docs/release/9.3.16/#AEN116242"}]}, {"id": "9.5.6-8a6273894dd99d20", "cves": [], "html": "Fix commit timestamp mechanism to not fail when queried about the special XIDs FrozenTransactionId and BootstrapTransactionId (Craig Ringer)
", "text": "Fix commit timestamp mechanism to not fail when queried about the special XIDs FrozenTransactionId and BootstrapTransactionId (Craig Ringer)", "title": "Fix commit timestamp mechanism to not fail when queried about the special XIDs FrozenTransactionId and BootstrapTransactionId", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "cba10679a5b9c2c4151181a5d8c850919b39a26e19172ef738213bfbe3336b6b", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix commit timestamp mechanism to not fail when queried about the special XIDs FrozenTransactionId and BootstrapTransactionId (Craig Ringer)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/018", "db_id": "e08dd2deb2e5dd33519a2dfe36ced61e", "patch_ids": [], "statement_hash": "e8035ea9d93cc7df08b41f633001af7c7cf377cd3e9f144cdc8510fec4bface4", "relations": [{"rule": 2, "type": "equivalent", "target": "03091fc82858246c83d45510d4a0f543", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e8035ea9d93cc7df08b41f633001af7c7cf377cd3e9f144cdc8510fec4bface4"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "03091fc82858246c83d45510d4a0f543", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Fix commit timestamp mechanism to not fail when queried about the special XIDs FrozenTransactionId and BootstrapTransactionId", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "e8035ea9d93cc7df08b41f633001af7c7cf377cd3e9f144cdc8510fec4bface4"}, "url": "/docs/compare/?release=9.6.2#9.6.2-8a6273894dd99d20", "source_url": "/docs/release/9.6.2/#AEN135699"}]}, {"id": "9.5.6-5ed61f82ebcb61d3", "cves": [], "html": "Check for serializability conflicts before reporting constraint-violation failures (Thomas Munro)
\nWhen using serializable transaction isolation, it is desirable that any error due to concurrent transactions should manifest as a serialization failure, thereby cueing the application that a retry might succeed. Unfortunately, this does not reliably happen for duplicate-key failures caused by concurrent insertions. This change ensures that such an error will be reported as a serialization error if the application explicitly checked for the presence of a conflicting key (and did not find it) earlier in the transaction.
", "text": "Check for serializability conflicts before reporting constraint-violation failures (Thomas Munro) When using serializable transaction isolation, it is desirable that any error due to concurrent transactions should manifest as a serialization failure, thereby cueing the application that a retry might succeed. Unfortunately, this does not reliably happen for duplicate-key failures caused by concurrent insertions. This change ensures that such an error will be reported as a serialization error if the application explicitly checked for the presence of a conflicting key (and did not find it) earlier in the transaction.", "title": "Check for serializability conflicts before reporting constraint-violation failures", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "71bf023d0031e4cc9c7ed078cfd5b47105409cd1127558741b5a3fc3e328afba", "section_path": ["Changes"], "commit_groups": [["4b9d466c1", "5d80171ad", "60314e28e", "bed2a0b06"]], "identity_text": "Check for serializability conflicts before reporting constraint-violation failures (Thomas Munro) When using serializable transaction isolation, it is desirable that any error due to concurrent transactions should manifest as a serialization failure, thereby cueing the application that a retry might succeed. Unfortunately, this does not reliably happen for duplicate-key failures caused by concurrent insertions. This change ensures that such an error will be reported as a serialization error if the application explicitly checked for the presence of a conflicting key (and did not find it) earlier in the transaction.", "commit_aliases": ["4b9d466c1", "5d80171ad", "60314e28e", "bed2a0b06"], "source_commits": ["bed2a0b06"], "source_entry_id": "9.5.6/changes/019", "db_id": "4d63bb02b1af635fed27372e121b41c5", "patch_ids": ["7395c60ee134f8fbd25bf3fd7054fc2c"], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba", "relations": [{"rule": 2, "type": "equivalent", "target": "008dbfc76ffd89bfe151accb80c7bb3d", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba"}}, {"rule": 2, "type": "equivalent", "target": "3608fee921876dfcd7e8c9d523aeca81", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba"}}, {"rule": 2, "type": "equivalent", "target": "a7fe2494ccb82bbd660a301b0082de85", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba"}}], "version": "9.5.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "008dbfc76ffd89bfe151accb80c7bb3d", "kind": "equivalent", "version": "9.4.11", "label": "9.4.11", "title": "Check for serializability conflicts before reporting constraint-violation failures", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba"}, "url": "/docs/compare/?release=9.4.11#9.4.11-5ed61f82ebcb61d3", "source_url": "/docs/release/9.4.11/#AEN121884"}, {"db_id": "a7fe2494ccb82bbd660a301b0082de85", "kind": "equivalent", "version": "9.3.16", "label": "9.3.16", "title": "Check for serializability conflicts before reporting constraint-violation failures", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba"}, "url": "/docs/compare/?release=9.3.16#9.3.16-5ed61f82ebcb61d3", "source_url": "/docs/release/9.3.16/#AEN116242"}, {"db_id": "3608fee921876dfcd7e8c9d523aeca81", "kind": "equivalent", "version": "9.2.20", "label": "9.2.20", "title": "Check for serializability conflicts before reporting constraint-violation failures", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "7b9b2c500fbdea8d99ce0b203d2a1adb8acb559963c6f180422d3b31173803ba"}, "url": "/docs/compare/?release=9.2.20#9.2.20-5ed61f82ebcb61d3", "source_url": "/docs/release/9.2.20/#AEN111255"}]}, {"id": "9.5.6-58ca655368c0b874", "cves": [], "html": "Fix incorrect use of view reloptions as regular table reloptions (Tom Lane)
\nThe symptom was spurious \"ON CONFLICT is not supported on table ... used as a catalog table\" errors when the target of INSERT ... ON CONFLICT is a view with cascade option.
", "text": "Fix incorrect use of view reloptions as regular table reloptions (Tom Lane) The symptom was spurious \"ON CONFLICT is not supported on table ... used as a catalog table\" errors when the target of INSERT ... ON CONFLICT is a view with cascade option.", "title": "Fix incorrect use of view reloptions as regular table reloptions", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "754ba2b258d7817cd40bdb952c0669e6b7a5f5d221696e84eb11cc4db8865343", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix incorrect use of view reloptions as regular table reloptions (Tom Lane) The symptom was spurious ON CONFLICT is not supported on table ... used as a catalog table errors when the target of INSERT ... ON CONFLICT is a view with cascade option.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/020", "db_id": "ecdaef209caef3b08cb12df3fc96f7ad", "patch_ids": [], "statement_hash": "f7e042a730242f0586aa4f953f1c456b555e5aba1578c50769471028c7baecc6", "relations": [{"rule": 2, "type": "equivalent", "target": "960f222e49b420add23c68d26e007a76", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f7e042a730242f0586aa4f953f1c456b555e5aba1578c50769471028c7baecc6"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "960f222e49b420add23c68d26e007a76", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Fix incorrect use of view reloptions as regular table reloptions", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f7e042a730242f0586aa4f953f1c456b555e5aba1578c50769471028c7baecc6"}, "url": "/docs/compare/?release=9.6.2#9.6.2-58ca655368c0b874", "source_url": "/docs/release/9.6.2/#AEN135699"}]}, {"id": "9.5.6-0763f32a54fe88c4", "cves": [], "html": "Fix incorrect \"target lists can have at most N entries\" complaint when using ON CONFLICT with wide tables (Tom Lane)
", "text": "Fix incorrect \"target lists can have at most N entries\" complaint when using ON CONFLICT with wide tables (Tom Lane)", "title": "Fix incorrect \"target lists can have at most N entries\" complaint when using ON CONFLICT with wide tables", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "e9df4916d4a3f24a716a91e301c45cbe47a2b675a8ac04f28ae6e317ccb5098e", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix incorrect target lists can have at most N entries complaint when using ON CONFLICT with wide tables (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/021", "db_id": "6d6e8c04cf9e3754f5925124a13013b8", "patch_ids": [], "statement_hash": "9ffd56bc6b5d5bd6a5be9df33a4d96dbf38b1ce083d2ad5392a1be7478623eeb", "relations": [{"rule": 2, "type": "equivalent", "target": "d1f83b41d977c9fd302ceb7a6f2818c5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ffd56bc6b5d5bd6a5be9df33a4d96dbf38b1ce083d2ad5392a1be7478623eeb"}}], "version": "9.5.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d1f83b41d977c9fd302ceb7a6f2818c5", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Fix incorrect \"target lists can have at most N entries\" complaint when using ON CONFLICT with wide tables", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "9ffd56bc6b5d5bd6a5be9df33a4d96dbf38b1ce083d2ad5392a1be7478623eeb"}, "url": "/docs/compare/?release=9.6.2#9.6.2-0763f32a54fe88c4", "source_url": "/docs/release/9.6.2/#AEN135699"}]}, {"id": "9.5.6-411384763f27c018", "cves": [], "html": "Prevent multicolumn expansion of foo.* in an UPDATE source expression (Tom Lane)
\nThis led to \"UPDATE target count mismatch --- internal error\". Now the syntax is understood as a whole-row variable, as it would be in other contexts.
", "text": "Prevent multicolumn expansion of foo.* in an UPDATE source expression (Tom Lane) This led to \"UPDATE target count mismatch --- internal error\". Now the syntax is understood as a whole-row variable, as it would be in other contexts.", "title": "Prevent multicolumn expansion of foo.* in an UPDATE source expression", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "49eb9be58b58476458a1d156da8aaf2e95dfb2b6ae5c24222db257b391aa1b64", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Prevent multicolumn expansion of foo.* in an UPDATE source expression (Tom Lane) This led to UPDATE target count mismatch --- internal error. Now the syntax is understood as a whole-row variable, as it would be in other contexts.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/022", "db_id": "0e1af8c5f71f8102604aa64825a37032", "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc", "relations": [{"rule": 2, "type": "equivalent", "target": "dfa06e7e2ff2c24b68c8e9f2afbfda7f", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc"}}, {"rule": 2, "type": "equivalent", "target": "e56e6bc6059fb602437ebbe14f154465", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc"}}, {"rule": 2, "type": "equivalent", "target": "ebda0d74d7cabb3a7fcac47d0f664d6c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc"}}], "version": "9.5.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e56e6bc6059fb602437ebbe14f154465", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Prevent multicolumn expansion of foo.* in an UPDATE source expression", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc"}, "url": "/docs/compare/?release=9.6.2#9.6.2-411384763f27c018", "source_url": "/docs/release/9.6.2/#AEN135699"}, {"db_id": "dfa06e7e2ff2c24b68c8e9f2afbfda7f", "kind": "equivalent", "version": "9.4.11", "label": "9.4.11", "title": "Prevent multicolumn expansion of foo.* in an UPDATE source expression", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc"}, "url": "/docs/compare/?release=9.4.11#9.4.11-411384763f27c018", "source_url": "/docs/release/9.4.11/#AEN121884"}, {"db_id": "ebda0d74d7cabb3a7fcac47d0f664d6c", "kind": "equivalent", "version": "9.3.16", "label": "9.3.16", "title": "Prevent multicolumn expansion of foo.* in an UPDATE source expression", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "dc89b82ddcf87448a357e8516ce3da9e20e7356c70c5be2b53dff2d2cda181bc"}, "url": "/docs/compare/?release=9.3.16#9.3.16-411384763f27c018", "source_url": "/docs/release/9.3.16/#AEN116242"}]}, {"id": "9.5.6-54a91231cc88563d", "cves": [], "html": "Ensure that column typmods are determined accurately for multi-row VALUES constructs (Tom Lane)
\nThis fixes problems occurring when the first value in a column has a determinable typmod (e.g., length for a varchar value) but later values don't share the same limit.
", "text": "Ensure that column typmods are determined accurately for multi-row VALUES constructs (Tom Lane) This fixes problems occurring when the first value in a column has a determinable typmod (e.g., length for a varchar value) but later values don't share the same limit.", "title": "Ensure that column typmods are determined accurately for multi-row VALUES constructs", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.5.6/#AEN130268", "source_hash": "b51fe756e68aa6a36ab96cb222101f6d9113068705a3cc87b5d3ef10cdaa1f68", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Ensure that column typmods are determined accurately for multi-row VALUES constructs (Tom Lane) This fixes problems occurring when the first value in a column has a determinable typmod (e.g., length for a varchar value) but later values don't share the same limit.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.5.6/changes/023", "db_id": "07d63ba33c77c1124b368f5d69c3ae8e", "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d", "relations": [{"rule": 2, "type": "equivalent", "target": "005b71ae9dbe2bb708300e53c6fe3b79", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}}, {"rule": 2, "type": "equivalent", "target": "2aeff17dc6647c2d1a2ad0dd3f2c66c5", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}}, {"rule": 2, "type": "equivalent", "target": "b88d2f5af913237effe99220b3d82494", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}}, {"rule": 2, "type": "equivalent", "target": "be57f1e4a79a11465f1a7d407d68c2df", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}}], "version": "9.5.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "be57f1e4a79a11465f1a7d407d68c2df", "kind": "equivalent", "version": "9.6.2", "label": "9.6.2", "title": "Ensure that column typmods are determined accurately for multi-row VALUES constructs", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}, "url": "/docs/compare/?release=9.6.2#9.6.2-54a91231cc88563d", "source_url": "/docs/release/9.6.2/#AEN135699"}, {"db_id": "b88d2f5af913237effe99220b3d82494", "kind": "equivalent", "version": "9.4.11", "label": "9.4.11", "title": "Ensure that column typmods are determined accurately for multi-row VALUES constructs", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}, "url": "/docs/compare/?release=9.4.11#9.4.11-54a91231cc88563d", "source_url": "/docs/release/9.4.11/#AEN121884"}, {"db_id": "005b71ae9dbe2bb708300e53c6fe3b79", "kind": "equivalent", "version": "9.3.16", "label": "9.3.16", "title": "Ensure that column typmods are determined accurately for multi-row VALUES constructs", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}, "url": "/docs/compare/?release=9.3.16#9.3.16-54a91231cc88563d", "source_url": "/docs/release/9.3.16/#AEN116242"}, {"db_id": "2aeff17dc6647c2d1a2ad0dd3f2c66c5", "kind": "equivalent", "version": "9.2.20", "label": "9.2.20", "title": "Ensure that column typmods are determined accurately for multi-row VALUES constructs", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ac965dfb5872115ef803cac9c64e4d2c31e3c10941e2b46ccc8b4592c8f1ca0d"}, "url": "/docs/compare/?release=9.2.20#9.2.20-54a91231cc88563d", "source_url": "/docs/release/9.2.20/#AEN111255"}]}, {"id": "9.5.6-a3f412d0e5785dbc", "cves": [], "html": "Throw error for an unfinished Unicode surrogate pair at the end of a Unicode string (Tom Lane)
\nNormally, a Unicode surrogate leading character must be followed by a Unicode surrogate trailing character, but the check for this was missed if the leading character was the last character in a Unicode string literal (U&'...') or Unicode identifier (U&\"...\").
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\nSuch matches were found by GIN index searches, but not by sequential scans or GiST index searches.
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Fix performance problems in ts_rewrite() (Tom Lane)
Fix ts_rewrite()'s handling of nested NOT operators (Tom Lane)
Improve speed of user-defined aggregates that use array_append() as transition function (Tom Lane)
Fix array_fill() to handle empty arrays properly (Tom Lane)
Fix possible crash in array_position() or array_positions() when processing arrays of records (Junseok Yang)
Fix one-byte buffer overrun in quote_literal_cstr() (Heikki Linnakangas)
The overrun occurred only if the input consisted entirely of single quotes and/or backslashes.
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This avoids an assertion failure, and possibly worse things, if someone tries to run these functions in parallel.
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\nThis resulted in wrong answers when the simplified expression was used in an index condition.
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