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\u5c06 SIMILAR TO ... ESCAPE NULL \u6539\u4e3a\u8fd4\u56de NULL\uff08Tom Lane\uff09\u00a7

\n

\u8fd9\u4e00\u65b0\u884c\u4e3a\u7b26\u5408 SQL \u89c4\u8303\u3002\u4ee5\u524d\uff0cESCAPE \u4e3a\u7a7a\u503c\u65f6\uff0c\u88ab\u89e3\u91ca\u4e3a\u4f7f\u7528\u9ed8\u8ba4\u8f6c\u4e49\u5b57\u7b26\u4e32\uff08\u53cd\u659c\u6760\u5b57\u7b26\uff09\u3002\u8fd9\u4e5f\u9002\u7528\u4e8e substring(text FROM pattern ESCAPE text)\u3002\u901a\u8fc7\u4fdd\u6301\u539f\u51fd\u6570\u4e0d\u53d8\uff0c\u5728\u65e7\u89c6\u56fe\u4e2d\u4fdd\u7559\u4e86\u4ee5\u524d\u7684\u884c\u4e3a\u3002

", "text": "\u5c06 SIMILAR TO ... ESCAPE NULL \u6539\u4e3a\u8fd4\u56de NULL\uff08Tom Lane\uff09\u00a7 \u8fd9\u4e00\u65b0\u884c\u4e3a\u7b26\u5408 SQL \u89c4\u8303\u3002\u4ee5\u524d\uff0cESCAPE \u4e3a\u7a7a\u503c\u65f6\uff0c\u88ab\u89e3\u91ca\u4e3a\u4f7f\u7528\u9ed8\u8ba4\u8f6c\u4e49\u5b57\u7b26\u4e32\uff08\u53cd\u659c\u6760\u5b57\u7b26\uff09\u3002\u8fd9\u4e5f\u9002\u7528\u4e8e substring(text FROM pattern ESCAPE text)\u3002\u901a\u8fc7\u4fdd\u6301\u539f\u51fd\u6570\u4e0d\u53d8\uff0c\u5728\u65e7\u89c6\u56fe\u4e2d\u4fdd\u7559\u4e86\u4ee5\u524d\u7684\u884c\u4e3a\u3002", "title": "\u5c06 SIMILAR TO ... ESCAPE NULL \u6539\u4e3a\u8fd4\u56de NULL", "commits": ["ca70bdaef"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "3239b92d8dfa2b955503fed1b9647544aaf3f4d9bf9cc3c03c39d38985271d81", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["ca70bdaef"]], "identity_text": "Change SIMILAR TO ... ESCAPE NULL to return NULL (Tom Lane) This new behavior matches the SQL specification. Previously a null ESCAPE value was taken to mean using the default escape string (a backslash character). This also applies to substring(text FROM pattern ESCAPE text). The previous behavior has been retained in old views by keeping the original function unchanged.", "commit_aliases": ["ca70bdaef"], "source_commits": ["ca70bdaef"], "source_entry_id": "13.0/migration/001", "db_id": "002b80591bc6fee2e2ce080680a7ad46", "patch_ids": ["eeb400fcc67921acf6635ffdabaa5f5e"], "statement_hash": "44ce1777acf91f4c78ee797940714f9eca4eccd515b461fe601c69c438680ce1", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-33b58367d6134838", "migration": true}, {"id": "13.0-cff16c52bc843914", "cves": [], "html": "

\u4f7f json[b]_to_tsvector() \u5b8c\u6574\u68c0\u67e5\u5176 string \u9009\u9879\u7684\u62fc\u5199\uff08Dominik Czarnota\uff09\u00a7

", "text": "\u4f7f json[b]_to_tsvector() \u5b8c\u6574\u68c0\u67e5\u5176 string \u9009\u9879\u7684\u62fc\u5199\uff08Dominik Czarnota\uff09\u00a7", "title": "\u4f7f json[b]_to_tsvector() \u5b8c\u6574\u68c0\u67e5\u5176 string \u9009\u9879\u7684\u62fc\u5199", "commits": ["870ad6a59"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "3579faf3bac4ad82fadaa4a0d1357b7b6044b0b0788992215f1bb1ba52e40790", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["870ad6a59"]], "identity_text": "Make json[b]_to_tsvector() fully check the spelling of its string option (Dominik Czarnota)", "commit_aliases": ["870ad6a59"], "source_commits": ["870ad6a59"], "source_entry_id": "13.0/migration/002", "db_id": "e2cf4b32f04aff6b7c45a6ae1c7e99ce", "patch_ids": ["616c06ded99aeeb20cbb2862ee8abe37"], "statement_hash": "c9c9edb5e2391b4403d18b698234c6d9f4cf3a615017875b508fec85deda544b", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-cff16c52bc843914", "migration": true}, {"id": "13.0-5efddc7fe669340c", "cves": [], "html": "

\u6539\u53d8\u975e\u9ed8\u8ba4\u7684effective_io_concurrency\u503c\u5f71\u54cd\u5e76\u53d1\u5ea6\u7684\u65b9\u5f0f\uff08Thomas Munro\uff09\u00a7

\n

\u4ee5\u524d\uff0c\u8be5\u503c\u5728\u7528\u4e8e\u8bbe\u7f6e\u5e76\u53d1\u8bf7\u6c42\u6570\u4e4b\u524d\u4f1a\u7ecf\u8fc7\u8c03\u6574\u3002\u73b0\u5728\u76f4\u63a5\u4f7f\u7528\u8be5\u503c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5c06\u65e7\u503c\u8f6c\u6362\u4e3a\u65b0\u503c\uff1a

\n
SELECT round(sum(OLDVALUE / n::float)) AS newvalue FROM generate_series(1, OLDVALUE) s(n);\n
", "text": "\u6539\u53d8\u975e\u9ed8\u8ba4\u7684effective_io_concurrency\u503c\u5f71\u54cd\u5e76\u53d1\u5ea6\u7684\u65b9\u5f0f\uff08Thomas Munro\uff09\u00a7 \u4ee5\u524d\uff0c\u8be5\u503c\u5728\u7528\u4e8e\u8bbe\u7f6e\u5e76\u53d1\u8bf7\u6c42\u6570\u4e4b\u524d\u4f1a\u7ecf\u8fc7\u8c03\u6574\u3002\u73b0\u5728\u76f4\u63a5\u4f7f\u7528\u8be5\u503c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5c06\u65e7\u503c\u8f6c\u6362\u4e3a\u65b0\u503c\uff1a SELECT round(sum(OLDVALUE / n::float)) AS newvalue FROM generate_series(1, OLDVALUE) s(n);", "title": "\u6539\u53d8\u975e\u9ed8\u8ba4\u7684effective_io_concurrency\u503c\u5f71\u54cd\u5e76\u53d1\u5ea6\u7684\u65b9\u5f0f", "commits": ["b09ff5366"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "887d98f1c5f3458eeca123ae4b8ef91d64967e790cff24b3841e20144be679d8", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["b09ff5366"]], "identity_text": "Change the way non-default guc-effective-io-concurrency values affect concurrency (Thomas Munro) Previously, this value was adjusted before setting the number of concurrent requests. The value is now used directly. Conversion of old values to new ones can be done using: SELECT round(sum(OLDVALUE / n::float)) AS newvalue FROM generate_series(1, OLDVALUE) s(n);", "commit_aliases": ["b09ff5366"], "source_commits": ["b09ff5366"], "source_entry_id": "13.0/migration/003", "db_id": "62eeb3605c46c2db1d264b35b8f0eb40", "patch_ids": ["09811ae59f6e55e41d6231afcb24cf3b"], "statement_hash": "86f867b4d46c0f6eb3c9078cc12c90da564979ed93bf6b5d74c99015dd62daf6", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-5efddc7fe669340c", "migration": true}, {"id": "13.0-d3d1409eb3c66993", "cves": [], "html": "

\u4e0d\u518d\u5728pg_stat_ssl\u548cpg_stat_gssapi\u7cfb\u7edf\u89c6\u56fe\u4e2d\u663e\u793a\u8f85\u52a9\u8fdb\u7a0b\uff08Euler Taveira\uff09\u00a7

\n

\u5982\u679c\u67e5\u8be2\u5c06\u8fd9\u4e9b\u89c6\u56fe\u4e0epg_stat_activity\u8fde\u63a5\uff0c\u5e76\u5e0c\u671b\u770b\u5230\u8f85\u52a9\u8fdb\u7a0b\uff0c\u5c31\u9700\u8981\u4f7f\u7528\u5de6\u8fde\u63a5\u3002

", "text": "\u4e0d\u518d\u5728pg_stat_ssl\u548cpg_stat_gssapi\u7cfb\u7edf\u89c6\u56fe\u4e2d\u663e\u793a\u8f85\u52a9\u8fdb\u7a0b\uff08Euler Taveira\uff09\u00a7 \u5982\u679c\u67e5\u8be2\u5c06\u8fd9\u4e9b\u89c6\u56fe\u4e0epg_stat_activity\u8fde\u63a5\uff0c\u5e76\u5e0c\u671b\u770b\u5230\u8f85\u52a9\u8fdb\u7a0b\uff0c\u5c31\u9700\u8981\u4f7f\u7528\u5de6\u8fde\u63a5\u3002", "title": "\u4e0d\u518d\u5728pg_stat_ssl\u548cpg_stat_gssapi\u7cfb\u7edf\u89c6\u56fe\u4e2d\u663e\u793a\u8f85\u52a9\u8fdb\u7a0b", "commits": ["5c46e7d82"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "f143a020e659d77b071b21ca82777b03a4905c81240c8b6733a7b3067f59a8ed", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["5c46e7d82"]], "identity_text": "Prevent display of auxiliary processes in pg-stat-ssl-view and pg-stat-gssapi-view system views (Euler Taveira) Queries that join these views to pg-stat-activity-view and wish to see auxiliary processes will need to use left joins.", "commit_aliases": ["5c46e7d82"], "source_commits": ["5c46e7d82"], "source_entry_id": "13.0/migration/004", "db_id": "9313d0f386baf2e63f4d460b3f905624", "patch_ids": ["96747b44433d92350891ffedfc74bea6"], "statement_hash": "c8cd602d26bb43a8b55cdedc086a5b8f103cbcfcc8b07d3afe9ad23f0f0d5648", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-d3d1409eb3c66993", "migration": true}, {"id": "13.0-300271e52a32d70f", "cves": [], "html": "

\u91cd\u547d\u540d\u591a\u79cd\u7b49\u5f85\u4e8b\u4ef6\u4ee5\u63d0\u9ad8\u4e00\u81f4\u6027\uff08Fujii Masao\uff0cTom Lane\uff09\u00a7 \u00a7 \u00a7 \u00a7 \u00a7

", "text": "\u91cd\u547d\u540d\u591a\u79cd\u7b49\u5f85\u4e8b\u4ef6\u4ee5\u63d0\u9ad8\u4e00\u81f4\u6027\uff08Fujii Masao\uff0cTom Lane\uff09\u00a7 \u00a7 \u00a7 \u00a7 \u00a7", "title": "\u91cd\u547d\u540d\u591a\u79cd\u7b49\u5f85\u4e8b\u4ef6\u4ee5\u63d0\u9ad8\u4e00\u81f4\u6027", "commits": ["14a910109", "1d253bae5", "3048898e7", "36ac359d3", "474e7da64"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "71f0d0c1714b7dbcd63c7a1cf2b14a54dc09ff4fd9606d66064c5f930bcc8d5d", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["14a910109"], ["1d253bae5"], ["3048898e7"], ["36ac359d3"], ["474e7da64"]], "identity_text": "Rename various wait events to improve consistency (Fujii Masao, Tom Lane)", "commit_aliases": ["14a910109", "1d253bae5", "3048898e7", "36ac359d3", "474e7da64"], "source_commits": ["14a910109", "1d253bae5", "3048898e7", "36ac359d3", "474e7da64"], "source_entry_id": "13.0/migration/005", "db_id": "f1444cb151ee5ea496b7e4b3275b2b25", "patch_ids": ["195ace185d7f5b3a4da50890b98068c0", "243bd4fa4d8a5f651aab0f2ea7eb5404", "4217cca386c79401079c66baa5b24ded", "46cc2e60fc20da950850633e14c8925c", "c638cb4d385eefbf24b61f62574666cd"], "statement_hash": "34b21a81588e567c1ea58fc48e626cb5838521aea92107512b2f2c9d37de94ef", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-300271e52a32d70f", "migration": true}, {"id": "13.0-315c02f83f3e1e65-1", "cves": [], "html": "

\u4fee\u590d ALTER FOREIGN TABLE ... RENAME COLUMN\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u7684\u547d\u4ee4\u6807\u7b7e\uff08Fujii Masao\uff09\u00a7

\n

\u4ee5\u524d\u8fd4\u56de ALTER TABLE\uff1b\u73b0\u5728\u8fd4\u56de ALTER FOREIGN TABLE\u3002

", "text": "\u4fee\u590d ALTER FOREIGN TABLE ... RENAME COLUMN\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u7684\u547d\u4ee4\u6807\u7b7e\uff08Fujii Masao\uff09\u00a7 \u4ee5\u524d\u8fd4\u56de ALTER TABLE\uff1b\u73b0\u5728\u8fd4\u56de ALTER FOREIGN TABLE\u3002", "title": "\u4fee\u590d ALTER FOREIGN TABLE ... RENAME COLUMN\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u7684\u547d\u4ee4\u6807\u7b7e", "commits": ["979766c0a"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "5bdff730d497c3ae85e39ee89a7b7abc3156b283e8df56bca59a9568cf0da75b", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["979766c0a"]], "identity_text": "Fix ALTER FOREIGN TABLE ... RENAME COLUMN to return a more appropriate command tag (Fujii Masao) Previously it returned ALTER TABLE; now it returns ALTER FOREIGN TABLE.", "commit_aliases": ["979766c0a"], "source_commits": ["979766c0a"], "source_entry_id": "13.0/migration/006", "db_id": "51e4db761d371a4c2f201d0fc7486749", "patch_ids": ["8f4a02aa3d3a1d5200b89b1e95bc7cce"], "statement_hash": "0768a9870e858df0edac2ef034cd7a05b7035a71d4f77bed4b06817e2efd7286", "relations": [{"rule": 2, "type": "related", "target": "cbfeffa69ae1858c0ab9cb978bcb4d69", "evidence": {"same_day": true, "patch_ids": ["8f4a02aa3d3a1d5200b89b1e95bc7cce"], "ambiguous_patch_ids": ["8f4a02aa3d3a1d5200b89b1e95bc7cce"]}}], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-315c02f83f3e1e65-1", "migration": true}, {"id": "13.0-315c02f83f3e1e65-2", "cves": [], "html": "

\u4fee\u590d ALTER MATERIALIZED VIEW ... RENAME COLUMN\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u7684\u547d\u4ee4\u6807\u7b7e\uff08Fujii Masao\uff09\u00a7

\n

\u4ee5\u524d\u8fd4\u56de ALTER TABLE\uff1b\u73b0\u5728\u8fd4\u56de ALTER MATERIALIZED VIEW\u3002

", "text": "\u4fee\u590d ALTER MATERIALIZED VIEW ... RENAME COLUMN\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u7684\u547d\u4ee4\u6807\u7b7e\uff08Fujii Masao\uff09\u00a7 \u4ee5\u524d\u8fd4\u56de ALTER TABLE\uff1b\u73b0\u5728\u8fd4\u56de ALTER MATERIALIZED VIEW\u3002", "title": "\u4fee\u590d ALTER MATERIALIZED VIEW ... RENAME COLUMN\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u7684\u547d\u4ee4\u6807\u7b7e", "commits": ["979766c0a"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "52bec337a7f0afd45589a781987131e7852b81e00da5df8494e52a4b03e4d31f", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["979766c0a"]], "identity_text": "Fix ALTER MATERIALIZED VIEW ... RENAME COLUMN to return a more appropriate command tag (Fujii Masao) Previously it returned ALTER TABLE; now it returns ALTER MATERIALIZED VIEW.", "commit_aliases": ["979766c0a"], "source_commits": ["979766c0a"], "source_entry_id": "13.0/migration/007", "db_id": "cbfeffa69ae1858c0ab9cb978bcb4d69", "patch_ids": ["8f4a02aa3d3a1d5200b89b1e95bc7cce"], "statement_hash": "88ff6676d694c92a6cf84342a67f2b565f4d6ac51be5312b8b474314f5fa0d7c", "relations": [{"rule": 2, "type": "related", "target": "51e4db761d371a4c2f201d0fc7486749", "evidence": {"same_day": true, "patch_ids": ["8f4a02aa3d3a1d5200b89b1e95bc7cce"], "ambiguous_patch_ids": ["8f4a02aa3d3a1d5200b89b1e95bc7cce"]}}], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-315c02f83f3e1e65-2", "migration": true}, {"id": "13.0-611ec07ad6a9e83c", "cves": [], "html": "

\u5c06\u914d\u7f6e\u53c2\u6570 wal_keep_segments \u91cd\u547d\u540d\u4e3awal_keep_size\uff08Fujii Masao\uff09\u00a7

\n

\u8fd9\u51b3\u5b9a\u4e3a\u5907\u5e93\u4fdd\u7559\u591a\u5c11 WAL\u3002\u5b83\u4ee5 MB \u4e3a\u5355\u4f4d\u6307\u5b9a\uff0c\u800c\u65e7\u53c2\u6570\u4ee5\u6587\u4ef6\u6570\u91cf\u6307\u5b9a\u3002\u5982\u679c\u4ee5\u524d\u4f7f\u7528 wal_keep_segments\uff0c\u4ee5\u4e0b\u516c\u5f0f\u53ef\u4ee5\u5f97\u5230\u5927\u81f4\u7b49\u4ef7\u7684\u8bbe\u7f6e\uff1a

\n
wal_keep_size = wal_keep_segments * wal_segment_size (typically 16MB)\n
", "text": "\u5c06\u914d\u7f6e\u53c2\u6570 wal_keep_segments \u91cd\u547d\u540d\u4e3awal_keep_size\uff08Fujii Masao\uff09\u00a7 \u8fd9\u51b3\u5b9a\u4e3a\u5907\u5e93\u4fdd\u7559\u591a\u5c11 WAL\u3002\u5b83\u4ee5 MB \u4e3a\u5355\u4f4d\u6307\u5b9a\uff0c\u800c\u65e7\u53c2\u6570\u4ee5\u6587\u4ef6\u6570\u91cf\u6307\u5b9a\u3002\u5982\u679c\u4ee5\u524d\u4f7f\u7528 wal_keep_segments\uff0c\u4ee5\u4e0b\u516c\u5f0f\u53ef\u4ee5\u5f97\u5230\u5927\u81f4\u7b49\u4ef7\u7684\u8bbe\u7f6e\uff1a wal_keep_size = wal_keep_segments * wal_segment_size (typically 16MB)", "title": "\u5c06\u914d\u7f6e\u53c2\u6570 wal_keep_segments \u91cd\u547d\u540d\u4e3awal_keep_size", "commits": ["f5dff45962"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "5247db2ac5fe00062643e042cf5fa48abbadabf2d713b848e51877e0a199da8e", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["f5dff45962"]], "identity_text": "Rename configuration parameter wal_keep_segments to guc-wal-keep-size (Fujii Masao) This determines how much WAL to retain for standby servers. It is specified in megabytes, rather than number of files as with the old parameter. If you previously used wal_keep_segments, the following formula will give you an approximately equivalent setting: wal_keep_size = wal_keep_segments * wal_segment_size (typically 16MB)", "commit_aliases": ["f5dff45962"], "source_commits": ["f5dff45962"], "source_entry_id": "13.0/migration/008", "db_id": "87d08c201e2ac67f6d62188bb16926b9", "patch_ids": ["fea7ca80079c4413db2f8830f6353864"], "statement_hash": "83a238007d82d98ff7e12463b63c4b4c41cfe26f20e00841e3f2a08a5010dab1", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-611ec07ad6a9e83c", "migration": true}, {"id": "13.0-0deec1e0e7129d4b", "cves": [], "html": "

\u79fb\u9664\u4f7f\u7528 PostgreSQL 8.0 \u4e4b\u524d\u7684\u8bed\u6cd5\u5b9a\u4e49\u64cd\u4f5c\u7b26\u7c7b\u7684\u652f\u6301\uff08Daniel Gustafsson\uff09\u00a7

", "text": "\u79fb\u9664\u4f7f\u7528 PostgreSQL 8.0 \u4e4b\u524d\u7684\u8bed\u6cd5\u5b9a\u4e49\u64cd\u4f5c\u7b26\u7c7b\u7684\u652f\u6301\uff08Daniel Gustafsson\uff09\u00a7", "title": "\u79fb\u9664\u4f7f\u7528 PostgreSQL 8.0 \u4e4b\u524d\u7684\u8bed\u6cd5\u5b9a\u4e49\u64cd\u4f5c\u7b26\u7c7b\u7684\u652f\u6301", "commits": ["84eca14bc"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "74187af3391ddc0fa17fd55f5a5429942075681f777a0a8aa884e76e0ac5255e", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["84eca14bc"]], "identity_text": "Remove support for defining operator classes using pre-PostgreSQL 8.0 syntax (Daniel Gustafsson)", "commit_aliases": ["84eca14bc"], "source_commits": ["84eca14bc"], "source_entry_id": "13.0/migration/009", "db_id": "00cdd4565943a99c71ac24dd72c69a5d", "patch_ids": ["462d626bf85e27e1ecf4e17d1b973712"], "statement_hash": "4d1c6b3a631af6a14564f453c23960f5730654034dcc77957fbe83be5df44ffb", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-0deec1e0e7129d4b", "migration": true}, {"id": "13.0-181ce8a6cc7d16d5", "cves": [], "html": "

\u79fb\u9664\u4f7f\u7528 PostgreSQL 7.3 \u4e4b\u524d\u7684\u8bed\u6cd5\u5b9a\u4e49\u5916\u952e\u7ea6\u675f\u7684\u652f\u6301\uff08Daniel Gustafsson\uff09\u00a7

", "text": "\u79fb\u9664\u4f7f\u7528 PostgreSQL 7.3 \u4e4b\u524d\u7684\u8bed\u6cd5\u5b9a\u4e49\u5916\u952e\u7ea6\u675f\u7684\u652f\u6301\uff08Daniel Gustafsson\uff09\u00a7", "title": "\u79fb\u9664\u4f7f\u7528 PostgreSQL 7.3 \u4e4b\u524d\u7684\u8bed\u6cd5\u5b9a\u4e49\u5916\u952e\u7ea6\u675f\u7684\u652f\u6301", "commits": ["e58a59975"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "62c50582b07ca26907178805fd3733688c10bafc434eaeb087814b47ff5198bd", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["e58a59975"]], "identity_text": "Remove support for defining foreign key constraints using pre-PostgreSQL 7.3 syntax (Daniel Gustafsson)", "commit_aliases": ["e58a59975"], "source_commits": ["e58a59975"], "source_entry_id": "13.0/migration/010", "db_id": "a4731981520d809b1764f36804869b0f", "patch_ids": ["b01af42c52dd802bb31bd86bdef135c6"], "statement_hash": "d1988126fb6693abe4be81ca0189d490c9b271a8b56ba72b11a717bc61458ea2", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-181ce8a6cc7d16d5", "migration": true}, {"id": "13.0-a4c99539e3f91994", "cves": [], "html": "

\u79fb\u9664\u5bf9 PostgreSQL 7.3 \u4e4b\u524d\u7684\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684 \"opaque\" \u4f2a\u7c7b\u578b\u7684\u652f\u6301\uff08Daniel Gustafsson\uff09\u00a7

", "text": "\u79fb\u9664\u5bf9 PostgreSQL 7.3 \u4e4b\u524d\u7684\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684 \"opaque\" \u4f2a\u7c7b\u578b\u7684\u652f\u6301\uff08Daniel Gustafsson\uff09\u00a7", "title": "\u79fb\u9664\u5bf9 PostgreSQL 7.3 \u4e4b\u524d\u7684\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684 \"opaque\" \u4f2a\u7c7b\u578b\u7684\u652f\u6301", "commits": ["bb03010b9"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "62be98f085cfb7121765762115068cf66f6e71ff82615faf7b3aabfbf4026cd8", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["bb03010b9"]], "identity_text": "Remove support for \"opaque\" pseudo-types used by pre-PostgreSQL 7.3 servers (Daniel Gustafsson)", "commit_aliases": ["bb03010b9"], "source_commits": ["bb03010b9"], "source_entry_id": "13.0/migration/011", "db_id": "a17abaa2942f10365a93775b57760c98", "patch_ids": ["841feb81d4817adce792d43370b2b3a1"], "statement_hash": "6d8b1f94d19be6214cb12adaf11ef0b636519d57ceb8e6d43819cb6d5457a05b", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-a4c99539e3f91994", "migration": true}, {"id": "13.0-e0e2f90b4addfeae", "cves": [], "html": "

\u79fb\u9664\u5bf9\u5347\u7ea7\u672a\u6253\u5305\u6269\u5c55\uff089.1 \u4e4b\u524d\u7684\u6269\u5c55\uff09\u7684\u652f\u6301\uff08Tom Lane\uff09\u00a7

\n

CREATE EXTENSION \u4e0d\u518d\u652f\u6301 FROM \u9009\u9879\u3002\u4efb\u4f55\u4ecd\u4f7f\u7528\u672a\u6253\u5305\u6269\u5c55\u7684\u5b89\u88c5\u5b9e\u4f8b\uff0c\u90fd\u5e94\u5728\u66f4\u65b0\u5230 PostgreSQL 13 \u4e4b\u524d\uff0c\u5c06\u8fd9\u4e9b\u6269\u5c55\u5347\u7ea7\u4e3a\u5df2\u6253\u5305\u7684\u7248\u672c\u3002

", "text": "\u79fb\u9664\u5bf9\u5347\u7ea7\u672a\u6253\u5305\u6269\u5c55\uff089.1 \u4e4b\u524d\u7684\u6269\u5c55\uff09\u7684\u652f\u6301\uff08Tom Lane\uff09\u00a7 CREATE EXTENSION \u4e0d\u518d\u652f\u6301 FROM \u9009\u9879\u3002\u4efb\u4f55\u4ecd\u4f7f\u7528\u672a\u6253\u5305\u6269\u5c55\u7684\u5b89\u88c5\u5b9e\u4f8b\uff0c\u90fd\u5e94\u5728\u66f4\u65b0\u5230 PostgreSQL 13 \u4e4b\u524d\uff0c\u5c06\u8fd9\u4e9b\u6269\u5c55\u5347\u7ea7\u4e3a\u5df2\u6253\u5305\u7684\u7248\u672c\u3002", "title": "\u79fb\u9664\u5bf9\u5347\u7ea7\u672a\u6253\u5305\u6269\u5c55\uff089.1 \u4e4b\u524d\u7684\u6269\u5c55\uff09\u7684\u652f\u6301", "commits": ["70a773200"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "6a8c53b62999753cb82cabf7dd9d03ebf3d23513e393ac50577d3507e7ffb9a7", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["70a773200"]], "identity_text": "Remove support for upgrading unpackaged (pre-9.1) extensions (Tom Lane) The FROM option of CREATE EXTENSION is no longer supported. Any installations still using unpackaged extensions should upgrade them to a packaged version before updating to PostgreSQL 13.", "commit_aliases": ["70a773200"], "source_commits": ["70a773200"], "source_entry_id": "13.0/migration/012", "db_id": "358f1a2edb8d44d028ddbb5a723810cd", "patch_ids": ["b55d5d8f2beb4548aa95c9d237e10be3"], "statement_hash": "f1cd8cea4ecd03f359eb207b8a8d3f1fca26f5dfba1b008abd1645847a92d139", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-e0e2f90b4addfeae", "migration": true}, {"id": "13.0-c5adedfa4dad8bb1", "cves": [], "html": "

\u79fb\u9664\u5bf9\u65f6\u533a\u6570\u636e\u5e93\u4e2d posixrules \u6587\u4ef6\u7684\u652f\u6301\uff08Tom Lane\uff09\u00a7

\n

IANA \u7684\u65f6\u533a\u5de5\u4f5c\u7ec4\u5df2\u5f03\u7528\u6b64\u7279\u6027\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06\u5728\u672a\u6765\u51e0\u5e74\u4e2d\u9010\u6e10\u4ece\u7cfb\u7edf\u7684\u65f6\u533a\u6570\u636e\u5e93\u4e2d\u6d88\u5931\u3002\u4e3a\u907f\u514d\u65f6\u533a\u6570\u636e\u66f4\u65b0\u610f\u5916\u5f15\u53d1\u884c\u4e3a\u53d8\u5316\uff0c\u6211\u4eec\u4ece\u7248\u672c 13 \u5f00\u59cb\u79fb\u9664\u4e86 PostgreSQL \u5bf9\u6b64\u7279\u6027\u7684\u652f\u6301\u3002\u8fd9\u53ea\u5f71\u54cd\u7f3a\u5c11\u663e\u5f0f\u590f\u4ee4\u65f6\u5207\u6362\u89c4\u5219\u7684 POSIX \u98ce\u683c\u65f6\u533a\u6307\u5b9a\u7684\u884c\u4e3a\uff1b\u4ee5\u524d\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5\u81ea\u5b9a\u4e49 posixrules \u6587\u4ef6\u6765\u786e\u5b9a\u5207\u6362\u89c4\u5219\uff0c\u73b0\u5728\u5219\u4f7f\u7528\u786c\u7f16\u7801\u89c4\u5219\u3002\u5bf9\u4e8e\u53d7\u5f71\u54cd\u7684\u5b89\u88c5\u5b9e\u4f8b\uff0c\u5efa\u8bae\u6539\u7528\u5730\u7406\u65f6\u533a\u540d\u79f0\u3002

", "text": "\u79fb\u9664\u5bf9\u65f6\u533a\u6570\u636e\u5e93\u4e2d posixrules \u6587\u4ef6\u7684\u652f\u6301\uff08Tom Lane\uff09\u00a7 IANA \u7684\u65f6\u533a\u5de5\u4f5c\u7ec4\u5df2\u5f03\u7528\u6b64\u7279\u6027\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06\u5728\u672a\u6765\u51e0\u5e74\u4e2d\u9010\u6e10\u4ece\u7cfb\u7edf\u7684\u65f6\u533a\u6570\u636e\u5e93\u4e2d\u6d88\u5931\u3002\u4e3a\u907f\u514d\u65f6\u533a\u6570\u636e\u66f4\u65b0\u610f\u5916\u5f15\u53d1\u884c\u4e3a\u53d8\u5316\uff0c\u6211\u4eec\u4ece\u7248\u672c 13 \u5f00\u59cb\u79fb\u9664\u4e86 PostgreSQL \u5bf9\u6b64\u7279\u6027\u7684\u652f\u6301\u3002\u8fd9\u53ea\u5f71\u54cd\u7f3a\u5c11\u663e\u5f0f\u590f\u4ee4\u65f6\u5207\u6362\u89c4\u5219\u7684 POSIX \u98ce\u683c\u65f6\u533a\u6307\u5b9a\u7684\u884c\u4e3a\uff1b\u4ee5\u524d\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5\u81ea\u5b9a\u4e49 posixrules \u6587\u4ef6\u6765\u786e\u5b9a\u5207\u6362\u89c4\u5219\uff0c\u73b0\u5728\u5219\u4f7f\u7528\u786c\u7f16\u7801\u89c4\u5219\u3002\u5bf9\u4e8e\u53d7\u5f71\u54cd\u7684\u5b89\u88c5\u5b9e\u4f8b\uff0c\u5efa\u8bae\u6539\u7528\u5730\u7406\u65f6\u533a\u540d\u79f0\u3002", "title": "\u79fb\u9664\u5bf9\u65f6\u533a\u6570\u636e\u5e93\u4e2d posixrules \u6587\u4ef6\u7684\u652f\u6301", "commits": ["21aac2ff9"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "51daf2ed426c4469ed563daea3d2df20e679e49787cd6352fd64256cde12464e", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["21aac2ff9"]], "identity_text": "Remove support for posixrules files in the timezone database (Tom Lane) IANA's timezone group has deprecated this feature, meaning that it will gradually disappear from systems' timezone databases over the next few years. Rather than have a behavioral change appear unexpectedly with a timezone data update, we have removed PostgreSQL's support for this feature as of version 13. This affects only the behavior of POSIX-style time zone specifications that lack an explicit daylight savings transition rule; formerly the transition rule could be determined by installing a custom posixrules file, but now it is hard-wired. The recommended fix for any affected installations is to start using a geographical time zone name.", "commit_aliases": ["21aac2ff9"], "source_commits": ["21aac2ff9"], "source_entry_id": "13.0/migration/013", "db_id": "c6a108a84b372a96c616b764a8c2e29f", "patch_ids": ["4c3cb7db97952e6ee49b12bec6ee41ff"], "statement_hash": "8c1eb545f9ac635f1a57b569d3e2687ede939d7c6553ad81d8574d9024741f5d", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-c5adedfa4dad8bb1", "migration": true}, {"id": "13.0-7969da79516db007", "cves": [], "html": "

\u5728ltree\u4e2d\uff0c\u5f53 lquery \u6a21\u5f0f\u5305\u542b\u76f8\u90bb\u7684\u5e26\u82b1\u62ec\u53f7\u661f\u53f7\u65f6\uff0c\u4f8b\u5982 *{2}.*{3}\uff0c\u5c06\u5176\u6b63\u786e\u89e3\u91ca\u4e3a *{5}\uff08Nikita Glukhov\uff09\u00a7

", "text": "\u5728ltree\u4e2d\uff0c\u5f53 lquery \u6a21\u5f0f\u5305\u542b\u76f8\u90bb\u7684\u5e26\u82b1\u62ec\u53f7\u661f\u53f7\u65f6\uff0c\u4f8b\u5982 *{2}.*{3}\uff0c\u5c06\u5176\u6b63\u786e\u89e3\u91ca\u4e3a *{5}\uff08Nikita Glukhov\uff09\u00a7", "title": "\u5728ltree\u4e2d\uff0c\u5f53 lquery \u6a21\u5f0f\u5305\u542b\u76f8\u90bb\u7684\u5e26\u82b1\u62ec\u53f7\u661f\u53f7\u65f6\uff0c\u4f8b\u5982 *{2}.*{3}\uff0c\u5c06\u5176\u6b63\u786e\u89e3\u91ca\u4e3a *{5}", "commits": ["9950c8aad"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "027524cc8373e1c28f7e5f68279308e636b317d16331e88c13cb18d73e1a7d5c", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["9950c8aad"]], "identity_text": "In ltree , when an lquery pattern contains adjacent asterisks with braces, e.g., *{2}.*{3}, properly interpret that as *{5} (Nikita Glukhov)", "commit_aliases": ["9950c8aad"], "source_commits": ["9950c8aad"], "source_entry_id": "13.0/migration/014", "db_id": "1bb06fafe760d8a4f29ad3fc346f4ffd", "patch_ids": ["7f9857baee0ae728daa2cd24a7a21101"], "statement_hash": "5b2d8c3d0f366318ce723a0975f877c1777432850dc2a4cff2606704af9a6e91", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-7969da79516db007", "migration": true}, {"id": "13.0-ff7a2c984c3d3a04", "cves": [], "html": "

\u4fee\u590dpageinspect\u7684 bt_metap()\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u3001\u4e0d\u6613\u6ea2\u51fa\u7684\u6570\u636e\u7c7b\u578b\uff08Peter Geoghegan\uff09\u00a7

", "text": "\u4fee\u590dpageinspect\u7684 bt_metap()\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u3001\u4e0d\u6613\u6ea2\u51fa\u7684\u6570\u636e\u7c7b\u578b\uff08Peter Geoghegan\uff09\u00a7", "title": "\u4fee\u590dpageinspect\u7684 bt_metap()\uff0c\u4f7f\u5176\u8fd4\u56de\u66f4\u5408\u9002\u3001\u4e0d\u6613\u6ea2\u51fa\u7684\u6570\u636e\u7c7b\u578b", "commits": ["691e8b2e1"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/13.0/#id-1.11.6.29.4", "source_hash": "f7fe09cc788d91411776d1e4528a830323aa9d18c8bc0569e0ccc5d1cde6e7c4", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["691e8b2e1"]], "identity_text": "Fix pageinspect 's bt_metap() to return more appropriate data types that are less likely to overflow (Peter Geoghegan)", "commit_aliases": ["691e8b2e1"], "source_commits": ["691e8b2e1"], "source_entry_id": "13.0/migration/015", "db_id": "30272e62115718c16aea57bf80affb17", "patch_ids": ["cd78a2c4c01e9fc325e81bc87c0418a3"], "statement_hash": "7f36c9d80e20274fcd83d94aae76c3e4b5db2a9d2dfca6246842bc92dbc17498", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=13.0#13.0-ff7a2c984c3d3a04", "migration": true}, {"id": "13.0-ad91b07ce0e06a59", "cves": [], "html": "

\u5141\u8bb8\u5728\u66f4\u591a\u60c5\u51b5\u4e0b\u8fdb\u884c\u5206\u533a\u526a\u679d\uff08Yuzuko Hosoya\uff0cAmit Langote\uff0c\u00c1lvaro Herrera\uff09\u00a7 \u00a7

", "text": "\u5141\u8bb8\u5728\u66f4\u591a\u60c5\u51b5\u4e0b\u8fdb\u884c\u5206\u533a\u526a\u679d\uff08Yuzuko Hosoya\uff0cAmit Langote\uff0c\u00c1lvaro Herrera\uff09\u00a7 \u00a7", "title": "\u5141\u8bb8\u5728\u66f4\u591a\u60c5\u51b5\u4e0b\u8fdb\u884c\u5206\u533a\u526a\u679d", "commits": ["4e85642d9", "815ef2f56"], "section": "\u670d\u52a1\u5668 / \u5206\u533a", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.2", "source_hash": "64c3c2751270ec5e94aa97d9bdd63bf4965d68adef735cf6f469eecb0a903365", "section_path": ["\u670d\u52a1\u5668", "\u5206\u533a"], "commit_groups": [["4e85642d9"], ["815ef2f56"]], "identity_text": "Allow pruning of partitions to happen in more cases (Yuzuko Hosoya, Amit Langote, \u00c1lvaro Herrera)", "commit_aliases": ["4e85642d9", "815ef2f56"], "source_commits": ["4e85642d9", "815ef2f56"], "source_entry_id": "13.0/changes/001", "db_id": "1163eca048c7512a1194c404ff4a5d31", "patch_ids": ["8d707c3ed0d6ed27bbc2208ab0715fe4", "be2d57e2e5b19a51edc2d004e9edbae8"], "statement_hash": "80cae61bcf28137813bdf2ee17baac735061de0f672b9bc52d324b7dfd2e7bdd", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-ad91b07ce0e06a59", "migration": false}, {"id": "13.0-a718c78c5f565762", "cves": [], "html": "

\u5141\u8bb8\u5728\u66f4\u591a\u60c5\u51b5\u4e0b\u8fdb\u884c\u9010\u5206\u533a\u8fde\u63a5\uff08Ashutosh Bapat\uff0cEtsuro Fujita\uff0cAmit Langote\uff0cTom Lane\uff09\u00a7 \u00a7

\n

\u4f8b\u5982\uff0c\u5373\u4f7f\u5206\u533a\u8fb9\u754c\u5e76\u4e0d\u5b8c\u5168\u5339\u914d\uff0c\u73b0\u5728\u4e5f\u53ef\u4ee5\u5728\u5206\u533a\u8868\u4e4b\u95f4\u8fdb\u884c\u9010\u5206\u533a\u8fde\u63a5\u3002

", "text": "\u5141\u8bb8\u5728\u66f4\u591a\u60c5\u51b5\u4e0b\u8fdb\u884c\u9010\u5206\u533a\u8fde\u63a5\uff08Ashutosh Bapat\uff0cEtsuro Fujita\uff0cAmit Langote\uff0cTom Lane\uff09\u00a7 \u00a7 \u4f8b\u5982\uff0c\u5373\u4f7f\u5206\u533a\u8fb9\u754c\u5e76\u4e0d\u5b8c\u5168\u5339\u914d\uff0c\u73b0\u5728\u4e5f\u53ef\u4ee5\u5728\u5206\u533a\u8868\u4e4b\u95f4\u8fdb\u884c\u9010\u5206\u533a\u8fde\u63a5\u3002", "title": "\u5141\u8bb8\u5728\u66f4\u591a\u60c5\u51b5\u4e0b\u8fdb\u884c\u9010\u5206\u533a\u8fde\u63a5", "commits": ["981643dcd", "c8434d64c"], "section": "\u670d\u52a1\u5668 / \u5206\u533a", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.2", "source_hash": "51285655786ce74d28ff0a20fd74ffd1cf0653a8b0dcc273c218ca53b5b410e4", "section_path": ["\u670d\u52a1\u5668", "\u5206\u533a"], "commit_groups": [["981643dcd"], ["c8434d64c"]], "identity_text": "Allow partitionwise joins to happen in more cases (Ashutosh Bapat, Etsuro Fujita, Amit Langote, Tom Lane) For example, partitionwise joins can now happen between partitioned tables even when their partition bounds do not match exactly.", "commit_aliases": ["981643dcd", "c8434d64c"], "source_commits": ["981643dcd", "c8434d64c"], "source_entry_id": "13.0/changes/002", "db_id": "013e9e4c0c64877c23c756c68b800b84", "patch_ids": ["5510e3129a6cd5fd7303183bb169773b", "cea05edc62e6634bae9280680618d3e9"], "statement_hash": "97d3c09ac8016dd55ea466ff69ec48804edf66491d17f9a611dda4ab420aca60", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-a718c78c5f565762", "migration": false}, {"id": "13.0-672ee0b9193bfb24", "cves": [], "html": "

\u652f\u6301\u5206\u533a\u8868\u4e0a\u7684\u884c\u7ea7 BEFORE \u89e6\u53d1\u5668\uff08\u00c1lvaro Herrera\uff09\u00a7

\n

\u4f46\u662f\uff0c\u4e0d\u5141\u8bb8\u6b64\u7c7b\u89e6\u53d1\u5668\u6539\u53d8\u76ee\u6807\u5206\u533a\u3002

", "text": "\u652f\u6301\u5206\u533a\u8868\u4e0a\u7684\u884c\u7ea7 BEFORE \u89e6\u53d1\u5668\uff08\u00c1lvaro Herrera\uff09\u00a7 \u4f46\u662f\uff0c\u4e0d\u5141\u8bb8\u6b64\u7c7b\u89e6\u53d1\u5668\u6539\u53d8\u76ee\u6807\u5206\u533a\u3002", "title": "\u652f\u6301\u5206\u533a\u8868\u4e0a\u7684\u884c\u7ea7 BEFORE \u89e6\u53d1\u5668", "commits": ["487e9861d"], "section": "\u670d\u52a1\u5668 / \u5206\u533a", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.2", "source_hash": "7375c39dfdea7a22eda5060d1e383b507617eda7f4c53dbaa92837c2c26ec4b2", "section_path": ["\u670d\u52a1\u5668", "\u5206\u533a"], "commit_groups": [["487e9861d"]], "identity_text": "Support row-level BEFORE triggers on partitioned tables (\u00c1lvaro Herrera) However, such a trigger is not allowed to change which partition is the destination.", "commit_aliases": ["487e9861d"], "source_commits": ["487e9861d"], "source_entry_id": "13.0/changes/003", "db_id": "abb3546ba651a44c0b85673ae967e58b", "patch_ids": ["13594f035854cbbbd68f0945daceb87f"], "statement_hash": "b8576476e5ca0bb20544cc08df083f8993b8a732cbfaff7c89be1f618cfe841a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-672ee0b9193bfb24", "migration": false}, {"id": "13.0-765158cb68dd9e47", "cves": [], "html": "

\u5141\u8bb8\u901a\u8fc7\u53d1\u5e03\u5bf9\u5206\u533a\u8868\u8fdb\u884c\u903b\u8f91\u590d\u5236\uff08Amit Langote\uff09\u00a7 \u00a7

\n

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", "text": "\u5141\u8bb8\u901a\u8fc7\u53d1\u5e03\u5bf9\u5206\u533a\u8868\u8fdb\u884c\u903b\u8f91\u590d\u5236\uff08Amit Langote\uff09\u00a7 \u00a7 \u4ee5\u524d\uff0c\u5fc5\u987b\u9010\u4e2a\u590d\u5236\u5206\u533a\u3002\u73b0\u5728\u53ef\u4ee5\u663e\u5f0f\u53d1\u5e03\u5206\u533a\u8868\uff0c\u4ece\u800c\u81ea\u52a8\u53d1\u5e03\u5176\u6240\u6709\u5206\u533a\u3002\u6dfb\u52a0\u6216\u79fb\u9664\u5206\u533a\u65f6\uff0c\u4e5f\u4f1a\u5c06\u5176\u76f8\u5e94\u5730\u6dfb\u52a0\u5230\u53d1\u5e03\u6216\u4ece\u53d1\u5e03\u4e2d\u79fb\u9664\u3002CREATE PUBLICATION \u7684 publish_via_partition_root \u9009\u9879\u63a7\u5236\u5206\u533a\u53d8\u66f4\u662f\u4f5c\u4e3a\u5206\u533a\u81ea\u8eab\u7684\u53d8\u66f4\u53d1\u5e03\uff0c\u8fd8\u662f\u4f5c\u4e3a\u7236\u8868\u7684\u53d8\u66f4\u53d1\u5e03\u3002", "title": "\u5141\u8bb8\u901a\u8fc7\u53d1\u5e03\u5bf9\u5206\u533a\u8868\u8fdb\u884c\u903b\u8f91\u590d\u5236", "commits": ["17b9e7f9f", "83fd4532a"], "section": "\u670d\u52a1\u5668 / \u5206\u533a", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.2", "source_hash": "af221f1a6ede44db4b8025c4ee849342c696ffcbc69c55300f9297fb4605de03", "section_path": ["\u670d\u52a1\u5668", "\u5206\u533a"], "commit_groups": [["17b9e7f9f"], ["83fd4532a"]], "identity_text": "Allow partitioned tables to be logically replicated via publications (Amit Langote) Previously, partitions had to be replicated individually. Now a partitioned table can be published explicitly, causing all its partitions to be published automatically. Addition/removal of a partition causes it to be likewise added to or removed from the publication. The CREATE PUBLICATION option publish_via_partition_root controls whether changes to partitions are published as their own changes or their parent's.", "commit_aliases": ["17b9e7f9f", "83fd4532a"], "source_commits": ["17b9e7f9f", "83fd4532a"], "source_entry_id": "13.0/changes/004", "db_id": "e776d3a6e65553e82bc735c1931a3dac", "patch_ids": ["5154a5b10e14b0e087b1225afabf9b7b", "6461991c93daf94f79a59366d55d04ea"], "statement_hash": "7a27502769aeb7a3157d549e79e30d8ae3b75886b99ff11fa96c64a8bbc4edce", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-765158cb68dd9e47", "migration": false}, {"id": "13.0-191da786e2e58da2", "cves": [], "html": "

\u5141\u8bb8\u903b\u8f91\u590d\u5236\u5199\u5165\u8ba2\u9605\u8005\u4e0a\u7684\u5206\u533a\u8868\uff08Amit Langote\uff09\u00a7

\n

\u4ee5\u524d\uff0c\u8ba2\u9605\u8005\u53ea\u80fd\u5c06\u63a5\u6536\u5230\u7684\u884c\u5199\u5165\u975e\u5206\u533a\u8868\u3002

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\u5141\u8bb8\u5728\u5206\u533a\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u6574\u884c\u53d8\u91cf\uff08\u5373 table.*\uff09\uff08Amit Langote\uff09\u00a7

", "text": "\u5141\u8bb8\u5728\u5206\u533a\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u6574\u884c\u53d8\u91cf\uff08\u5373 table.*\uff09\uff08Amit Langote\uff09\u00a7", "title": "\u5141\u8bb8\u5728\u5206\u533a\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u6574\u884c\u53d8\u91cf\uff08\u5373 table.*\uff09", "commits": ["bb4114a4e"], "section": "\u670d\u52a1\u5668 / \u5206\u533a", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.2", "source_hash": "33f16080e5993ca3a30fb907914a336ac3b0425dd26d1c4df456c882f48edfc7", "section_path": ["\u670d\u52a1\u5668", "\u5206\u533a"], "commit_groups": [["bb4114a4e"]], "identity_text": "Allow whole-row variables (that is, table.*) to be used in partitioning expressions (Amit Langote)", "commit_aliases": ["bb4114a4e"], "source_commits": ["bb4114a4e"], "source_entry_id": "13.0/changes/006", "db_id": "f0b6fbb0929910f112fb4e6842ff8455", "patch_ids": ["d2ab49f1b25dbf9d3c9528250b821b3e"], "statement_hash": "e4ab1167aaf9f53c02fd9adbe35dcc11c9cc942db848daf76b63ec3e20d266d0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-a1565a98a769b9ff", "migration": false}, {"id": "13.0-04d951805307797d", "cves": [], "html": "

\u66f4\u9ad8\u6548\u5730\u5b58\u50a8 B-\u6811\u7d22\u5f15\u4e2d\u7684\u91cd\u590d\u9879\uff08Anastasia Lubennikova\uff0cPeter Geoghegan\uff09\u00a7

\n

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", "text": "\u66f4\u9ad8\u6548\u5730\u5b58\u50a8 B-\u6811\u7d22\u5f15\u4e2d\u7684\u91cd\u590d\u9879\uff08Anastasia Lubennikova\uff0cPeter Geoghegan\uff09\u00a7 \u8fd9\u901a\u8fc7\u53ea\u5b58\u50a8\u4e00\u6b21\u91cd\u590d\u952e\uff0c\u4f7f\u4f4e\u57fa\u6570\u5217\u80fd\u591f\u9ad8\u6548\u5730\u4f7f\u7528 B-\u6811\u7d22\u5f15\u3002\u4f7f\u7528pg_upgrade\u5347\u7ea7\u7684\u7528\u6237\uff0c\u9700\u8981\u6267\u884c REINDEX \u624d\u80fd\u8ba9\u73b0\u6709\u7d22\u5f15\u4f7f\u7528\u8fd9\u4e00\u7279\u6027\u3002", "title": "\u66f4\u9ad8\u6548\u5730\u5b58\u50a8 B-\u6811\u7d22\u5f15\u4e2d\u7684\u91cd\u590d\u9879", "commits": ["0d861bbb7"], "section": "\u670d\u52a1\u5668 / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.3", "source_hash": "457dba99f7a1805257fb259267a5c39ffdde8bb4a9151a9bd48da8d0c947c32a", "section_path": ["\u670d\u52a1\u5668", "\u7d22\u5f15"], "commit_groups": [["0d861bbb7"]], "identity_text": "More efficiently store duplicates in B-tree indexes (Anastasia Lubennikova, Peter Geoghegan) This allows efficient B-tree indexing of low-cardinality columns by storing duplicate keys only once. Users upgrading with pg_upgrade will need to use REINDEX to make an existing index use this feature.", "commit_aliases": ["0d861bbb7"], "source_commits": ["0d861bbb7"], "source_entry_id": "13.0/changes/007", "db_id": "d833bd0d99c4a57c1b761f159ec2f3c0", "patch_ids": ["acab2cc8b425271004686df6325d3bd1"], "statement_hash": "9e60858f6ca6abd1c2ba12d0ce0af8956a0f4c8b1b051c1997b8861bf2fc32f1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-04d951805307797d", "migration": false}, {"id": "13.0-300f8c5eb6e8d34f", "cves": [], "html": "

\u5141\u8bb8 box \u5217\u4e0a\u7684 GiST \u548c SP-GiST \u7d22\u5f15\u652f\u6301 ORDER BY box <-> point \u67e5\u8be2\uff08Nikita Glukhov\uff09\u00a7 \u00a7

", "text": "\u5141\u8bb8 box \u5217\u4e0a\u7684 GiST \u548c SP-GiST \u7d22\u5f15\u652f\u6301 ORDER BY box <-> point \u67e5\u8be2\uff08Nikita Glukhov\uff09\u00a7 \u00a7", "title": "\u5141\u8bb8 box \u5217\u4e0a\u7684 GiST \u548c SP-GiST \u7d22\u5f15\u652f\u6301 ORDER BY box <-> point \u67e5\u8be2", "commits": ["075f0a880", "c085e1c1c"], "section": "\u670d\u52a1\u5668 / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.3", "source_hash": "7605b2482cdc38bc6a0d0de772c27acc8e766bb63435ff9509ff08aadb632cd6", "section_path": ["\u670d\u52a1\u5668", "\u7d22\u5f15"], "commit_groups": [["075f0a880"], ["c085e1c1c"]], "identity_text": "Allow GiST and SP-GiST indexes on box columns to support ORDER BY box <-> point queries (Nikita Glukhov)", "commit_aliases": ["075f0a880", "c085e1c1c"], "source_commits": ["075f0a880", "c085e1c1c"], "source_entry_id": "13.0/changes/008", "db_id": "615d2aa1884c047755b722661c41251e", "patch_ids": ["3f3a46b0586643e90b417d932b11a8cc", "a29904bdb9b56e328355d0d2e0ff4bff"], "statement_hash": "dc0268b2baa8b6c98c269851125af3a3ea6158392ca3f708c32cf1a909249a38", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-300f8c5eb6e8d34f", "migration": false}, {"id": "13.0-8318d371c54f02c8", "cves": [], "html": "

\u5141\u8bb8 GIN \u7d22\u5f15\u66f4\u9ad8\u6548\u5730\u5904\u7406 tsquery \u641c\u7d22\u4e2d\u7684 !\uff08NOT\uff09\u5b50\u53e5\uff08Nikita Glukhov\uff0cAlexander Korotkov\uff0cTom Lane\uff0cJulien Rouhaud\uff09\u00a7

", "text": "\u5141\u8bb8 GIN \u7d22\u5f15\u66f4\u9ad8\u6548\u5730\u5904\u7406 tsquery \u641c\u7d22\u4e2d\u7684 !\uff08NOT\uff09\u5b50\u53e5\uff08Nikita Glukhov\uff0cAlexander Korotkov\uff0cTom Lane\uff0cJulien Rouhaud\uff09\u00a7", "title": "\u5141\u8bb8 GIN \u7d22\u5f15\u66f4\u9ad8\u6548\u5730\u5904\u7406 tsquery \u641c\u7d22\u4e2d\u7684 !\uff08NOT\uff09\u5b50\u53e5", "commits": ["4b754d6c1"], "section": "\u670d\u52a1\u5668 / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.3", "source_hash": "1dc0ac4918120ac49f0339b516cd8a92809f6a3f3d7193316568420d7766a9fc", "section_path": ["\u670d\u52a1\u5668", "\u7d22\u5f15"], "commit_groups": [["4b754d6c1"]], "identity_text": "Allow GIN indexes to more efficiently handle ! (NOT) clauses in tsquery searches (Nikita Glukhov, Alexander Korotkov, Tom Lane, Julien Rouhaud)", "commit_aliases": ["4b754d6c1"], "source_commits": ["4b754d6c1"], "source_entry_id": "13.0/changes/009", "db_id": "5585d45eb2a9826973b6e37e17836995", "patch_ids": ["3777fee47d2c18ce8371efd83b1860b3"], "statement_hash": "838742eb6724d663a97d7eb0c89892e5a0bfa9188f266279e4c7a46a328137d3", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-8318d371c54f02c8", "migration": false}, {"id": "13.0-00afdb908268ed96-1", "cves": [], "html": "

\u5141\u8bb8\u7d22\u5f15\u64cd\u4f5c\u7b26\u7c7b\u63a5\u53d7\u53c2\u6570\uff08Nikita Glukhov\uff09\u00a7

", "text": "\u5141\u8bb8\u7d22\u5f15\u64cd\u4f5c\u7b26\u7c7b\u63a5\u53d7\u53c2\u6570\uff08Nikita Glukhov\uff09\u00a7", "title": "\u5141\u8bb8\u7d22\u5f15\u64cd\u4f5c\u7b26\u7c7b\u63a5\u53d7\u53c2\u6570", "commits": ["911e70207"], "section": "\u670d\u52a1\u5668 / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.3", "source_hash": "0f9476c7168b00a1e61423650c5f35cd1e09dbf327ced72223f8c6f138414b3b", "section_path": ["\u670d\u52a1\u5668", "\u7d22\u5f15"], "commit_groups": [["911e70207"]], "identity_text": "Allow index operator classes to take parameters (Nikita Glukhov)", "commit_aliases": ["911e70207"], "source_commits": ["911e70207"], "source_entry_id": "13.0/changes/010", "db_id": "afc765d9b390c3bbd435caf0e408dff0", "patch_ids": ["5d17b7356f8a8c6cc4be66f2a9088b55"], "statement_hash": "9525aa704c4214fe4350f3e334c6d630248c39a93a9ef32c1e4c677c8c74c2f5", "relations": [{"rule": 2, "type": "related", "target": "c7ba4ea9be933a69c1ae4032bdf26ff9", "evidence": {"same_day": true, "patch_ids": ["5d17b7356f8a8c6cc4be66f2a9088b55"], "ambiguous_patch_ids": ["5d17b7356f8a8c6cc4be66f2a9088b55"]}}], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-00afdb908268ed96-1", "migration": false}, {"id": "13.0-00afdb908268ed96-2", "cves": [], "html": "

\u5141\u8bb8 CREATE INDEX \u6307\u5b9a GiST \u7b7e\u540d\u957f\u5ea6\u548c\u6574\u6570\u8303\u56f4\u7684\u6700\u5927\u6570\u91cf\uff08Nikita Glukhov\uff09\u00a7

\n

\u5728\u56db\u5b57\u8282\u548c\u516b\u5b57\u8282\u6574\u6570\u6570\u7ec4\u3001tsvector\u3001pg_trgm\u3001ltree\u548chstore\u5217\u4e0a\u521b\u5efa\u7684\u7d22\u5f15\uff0c\u73b0\u5728\u53ef\u4ee5\u63a7\u5236\u8fd9\u4e9b GiST \u7d22\u5f15\u53c2\u6570\uff0c\u800c\u4e0d\u518d\u53ea\u80fd\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002

", "text": "\u5141\u8bb8 CREATE INDEX \u6307\u5b9a GiST \u7b7e\u540d\u957f\u5ea6\u548c\u6574\u6570\u8303\u56f4\u7684\u6700\u5927\u6570\u91cf\uff08Nikita Glukhov\uff09\u00a7 \u5728\u56db\u5b57\u8282\u548c\u516b\u5b57\u8282\u6574\u6570\u6570\u7ec4\u3001tsvector\u3001pg_trgm\u3001ltree\u548chstore\u5217\u4e0a\u521b\u5efa\u7684\u7d22\u5f15\uff0c\u73b0\u5728\u53ef\u4ee5\u63a7\u5236\u8fd9\u4e9b GiST \u7d22\u5f15\u53c2\u6570\uff0c\u800c\u4e0d\u518d\u53ea\u80fd\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002", "title": "\u5141\u8bb8 CREATE INDEX \u6307\u5b9a GiST \u7b7e\u540d\u957f\u5ea6\u548c\u6574\u6570\u8303\u56f4\u7684\u6700\u5927\u6570\u91cf", "commits": ["911e70207"], "section": "\u670d\u52a1\u5668 / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.3", "source_hash": "47f7609aa0fed7770f1d7940bf6a78b2301df1870d1ef7c62d273ddf64c90ec8", "section_path": ["\u670d\u52a1\u5668", "\u7d22\u5f15"], "commit_groups": [["911e70207"]], "identity_text": "Allow CREATE INDEX to specify the GiST signature length and maximum number of integer ranges (Nikita Glukhov) Indexes created on four and eight-byte integer array, tsvector, pgtrgm , ltree , and hstore columns can now control these GiST index parameters, rather than using the defaults.", "commit_aliases": ["911e70207"], "source_commits": ["911e70207"], "source_entry_id": "13.0/changes/011", "db_id": "c7ba4ea9be933a69c1ae4032bdf26ff9", "patch_ids": ["5d17b7356f8a8c6cc4be66f2a9088b55"], "statement_hash": "4657e287462a6c024cbc4d7512fb6af446d72e0827a97dc15abd13095c084b98", "relations": [{"rule": 2, "type": "related", "target": "afc765d9b390c3bbd435caf0e408dff0", "evidence": {"same_day": true, "patch_ids": ["5d17b7356f8a8c6cc4be66f2a9088b55"], "ambiguous_patch_ids": ["5d17b7356f8a8c6cc4be66f2a9088b55"]}}], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-00afdb908268ed96-2", "migration": false}, {"id": "13.0-90aca664fe16e695", "cves": [], "html": "

\u7981\u6b62\u5c06\u4f7f\u7528\u975e\u9ed8\u8ba4\u6392\u5e8f\u89c4\u5219\u7684\u7d22\u5f15\u6dfb\u52a0\u4e3a\u8868\u7684\u552f\u4e00\u7ea6\u675f\u6216\u4e3b\u952e\u7ea6\u675f\uff08Tom Lane\uff09\u00a7

\n

\u7d22\u5f15\u7684\u6392\u5e8f\u89c4\u5219\u5fc5\u987b\u4e0e\u5e95\u5c42\u5217\u7684\u6392\u5e8f\u89c4\u5219\u5339\u914d\uff0c\u4f46 ALTER TABLE \u4ee5\u524d\u672a\u68c0\u67e5\u8fd9\u4e00\u70b9\u3002

", "text": "\u7981\u6b62\u5c06\u4f7f\u7528\u975e\u9ed8\u8ba4\u6392\u5e8f\u89c4\u5219\u7684\u7d22\u5f15\u6dfb\u52a0\u4e3a\u8868\u7684\u552f\u4e00\u7ea6\u675f\u6216\u4e3b\u952e\u7ea6\u675f\uff08Tom Lane\uff09\u00a7 \u7d22\u5f15\u7684\u6392\u5e8f\u89c4\u5219\u5fc5\u987b\u4e0e\u5e95\u5c42\u5217\u7684\u6392\u5e8f\u89c4\u5219\u5339\u914d\uff0c\u4f46 ALTER TABLE \u4ee5\u524d\u672a\u68c0\u67e5\u8fd9\u4e00\u70b9\u3002", "title": "\u7981\u6b62\u5c06\u4f7f\u7528\u975e\u9ed8\u8ba4\u6392\u5e8f\u89c4\u5219\u7684\u7d22\u5f15\u6dfb\u52a0\u4e3a\u8868\u7684\u552f\u4e00\u7ea6\u675f\u6216\u4e3b\u952e\u7ea6\u675f", "commits": ["fbbf68094"], "section": "\u670d\u52a1\u5668 / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.3", "source_hash": "4b2a2b835f60f4e244b0192b712a2f81e4b40bbe118c2b031a1f18dc4882400e", "section_path": ["\u670d\u52a1\u5668", "\u7d22\u5f15"], "commit_groups": [["fbbf68094"]], "identity_text": "Prevent indexes that use non-default collations from being added as a table's unique or primary key constraint (Tom Lane) The index's collation must match that of the underlying column, but ALTER TABLE previously failed to check this.", "commit_aliases": ["fbbf68094"], "source_commits": ["fbbf68094"], "source_entry_id": "13.0/changes/012", "db_id": "18782b2fdacfe578e9cfe56330a6800b", "patch_ids": ["209c4eded0352d27fdebc9be81626b6e"], "statement_hash": "cec6b4927e06e45032c5699bdf54a07d4ce44f7baf1012b2fa1dbc013b7e967b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-90aca664fe16e695", "migration": false}, {"id": "13.0-e9f30b93e74d433e", "cves": [], "html": "

\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u5305\u542b\u548c\u5339\u914d\u64cd\u4f5c\u7b26\u7684\u9009\u62e9\u7387\u4f30\u8ba1\uff08Tom Lane\uff09\u00a7

", "text": "\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u5305\u542b\u548c\u5339\u914d\u64cd\u4f5c\u7b26\u7684\u9009\u62e9\u7387\u4f30\u8ba1\uff08Tom Lane\uff09\u00a7", "title": "\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u5305\u542b\u548c\u5339\u914d\u64cd\u4f5c\u7b26\u7684\u9009\u62e9\u7387\u4f30\u8ba1", "commits": ["a80818605"], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.4", "source_hash": "db8598d459670ad5b71679fbbfb2011cf1b783a366e1368ef138427d63e06e8f", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [["a80818605"]], "identity_text": "Improve the optimizer's selectivity estimation for containment/match operators (Tom Lane)", "commit_aliases": ["a80818605"], "source_commits": ["a80818605"], "source_entry_id": "13.0/changes/013", "db_id": "e03a2f4748c20b9fa3d57bebb562d54d", "patch_ids": ["e0a203af7ecf47c845d60dffea038bd8"], "statement_hash": "d0efeabdaee1d449eb29f81fdd08331ec5d70d7df958c8731c07e08e2e2efae9", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-e9f30b93e74d433e", "migration": false}, {"id": "13.0-97394fe02733bbe0", "cves": [], "html": "

\u5141\u8bb8\u4e3a\u6269\u5c55\u7edf\u8ba1\u4fe1\u606f\u8bbe\u7f6e\u7edf\u8ba1\u76ee\u6807\uff08Tomas Vondra\uff09\u00a7

\n

\u8fd9\u901a\u8fc7\u65b0\u7684\u547d\u4ee4\u9009\u9879 ALTER STATISTICS ... SET STATISTICS \u63a7\u5236\u3002\u4ee5\u524d\uff0c\u5b83\u57fa\u4e8e\u66f4\u901a\u7528\u7684\u7edf\u8ba1\u76ee\u6807\u8bbe\u7f6e\u8ba1\u7b97\u5f97\u51fa\u3002

", "text": "\u5141\u8bb8\u4e3a\u6269\u5c55\u7edf\u8ba1\u4fe1\u606f\u8bbe\u7f6e\u7edf\u8ba1\u76ee\u6807\uff08Tomas Vondra\uff09\u00a7 \u8fd9\u901a\u8fc7\u65b0\u7684\u547d\u4ee4\u9009\u9879 ALTER STATISTICS ... SET STATISTICS \u63a7\u5236\u3002\u4ee5\u524d\uff0c\u5b83\u57fa\u4e8e\u66f4\u901a\u7528\u7684\u7edf\u8ba1\u76ee\u6807\u8bbe\u7f6e\u8ba1\u7b97\u5f97\u51fa\u3002", "title": "\u5141\u8bb8\u4e3a\u6269\u5c55\u7edf\u8ba1\u4fe1\u606f\u8bbe\u7f6e\u7edf\u8ba1\u76ee\u6807", "commits": ["d06215d03"], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.4", "source_hash": "d50bde3e1bcd3c65174901e0b9ed6e782af4e03a8a8e3e64b9df02201c65fab1", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [["d06215d03"]], "identity_text": "Allow setting the statistics target for extended statistics (Tomas Vondra) This is controlled with the new command option ALTER STATISTICS ... SET STATISTICS. Previously this was computed based on more general statistics target settings.", "commit_aliases": ["d06215d03"], "source_commits": ["d06215d03"], "source_entry_id": "13.0/changes/014", "db_id": "d1b8fe7431b3c7b3e9f713d6f2cd914b", "patch_ids": ["79fb7d0e773a57353956b6aaa9d857f0"], "statement_hash": "ac0933c8c7c890731e4fc0a4e3f8eb34b4e2106404775577b357aea6fe7fc26b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-97394fe02733bbe0", "migration": false}, {"id": "13.0-afd106a80b310e09", "cves": [], "html": "

\u5141\u8bb8\u5728\u5355\u4e2a\u67e5\u8be2\u4e2d\u4f7f\u7528\u591a\u4e2a\u6269\u5c55\u7edf\u8ba1\u5bf9\u8c61\uff08Tomas Vondra\uff09\u00a7 \u00a7

", "text": "\u5141\u8bb8\u5728\u5355\u4e2a\u67e5\u8be2\u4e2d\u4f7f\u7528\u591a\u4e2a\u6269\u5c55\u7edf\u8ba1\u5bf9\u8c61\uff08Tomas Vondra\uff09\u00a7 \u00a7", "title": "\u5141\u8bb8\u5728\u5355\u4e2a\u67e5\u8be2\u4e2d\u4f7f\u7528\u591a\u4e2a\u6269\u5c55\u7edf\u8ba1\u5bf9\u8c61", "commits": ["aaa676187", "eae056c19"], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.4", "source_hash": "a06a591b00c801eb07849c0caa2b451e1ff4837e89ae9e5aa85fc35909a5d0db", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [["aaa676187"], ["eae056c19"]], "identity_text": "Allow use of multiple extended statistics objects in a single query (Tomas Vondra)", "commit_aliases": ["aaa676187", "eae056c19"], "source_commits": ["aaa676187", "eae056c19"], "source_entry_id": "13.0/changes/015", "db_id": "ea0131e2b4726edb47e2476c2d94fb81", "patch_ids": ["0517460781f8025da7b77fa6bc8064f3", "93a0e941b5a99c891e70cb6275232dfd"], "statement_hash": "6291ceaadec03b1969b571f95fe0f7c568efd1c25a1ae62e3aa6a503bf2ca415", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-afd106a80b310e09", "migration": false}, {"id": "13.0-35b629657ada221a", "cves": [], "html": "

\u5141\u8bb8\u5c06\u6269\u5c55\u7edf\u8ba1\u5bf9\u8c61\u7528\u4e8e OR \u5b50\u53e5\u548c IN/ANY \u5e38\u91cf\u5217\u8868\uff08Pierre Ducroquet\uff0cTomas Vondra\uff09\u00a7 \u00a7 \u00a7

", "text": "\u5141\u8bb8\u5c06\u6269\u5c55\u7edf\u8ba1\u5bf9\u8c61\u7528\u4e8e OR \u5b50\u53e5\u548c IN/ANY \u5e38\u91cf\u5217\u8868\uff08Pierre Ducroquet\uff0cTomas Vondra\uff09\u00a7 \u00a7 \u00a7", "title": "\u5141\u8bb8\u5c06\u6269\u5c55\u7edf\u8ba1\u5bf9\u8c61\u7528\u4e8e OR \u5b50\u53e5\u548c IN/ANY \u5e38\u91cf\u5217\u8868", "commits": ["8f321bd16", "ccaa3569f", "e83daa7e3"], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.4", "source_hash": "14a997d01bcc94ffe3c626beb931c652705aa8ee5ded45e567874787a9072e22", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [["8f321bd16"], ["ccaa3569f"], ["e83daa7e3"]], "identity_text": "Allow use of extended statistics objects for OR clauses and IN/ANY constant lists (Pierre Ducroquet, Tomas Vondra)", "commit_aliases": ["8f321bd16", "ccaa3569f", "e83daa7e3"], "source_commits": ["8f321bd16", "ccaa3569f", "e83daa7e3"], "source_entry_id": "13.0/changes/016", "db_id": "6806eac80c0336a665b6e2df84c0f155", "patch_ids": ["150ac4fd4e0e8fdd34babedfa097818b", "38ac19fb8e12fec91d75e5f36fd168c9", "e7f243bba210fe45f85ae05d307c4ca2"], "statement_hash": "795fff38e7725fb791b96c7e2645c74a2465f441e7bab14004fb0a6f25aaeb97", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-35b629657ada221a", "migration": false}, {"id": "13.0-2015bf37cdd6ccee", "cves": [], "html": "

\u5982\u679c FROM \u5b50\u53e5\u4e2d\u7684\u51fd\u6570\u6c42\u503c\u4e3a\u5e38\u91cf\uff0c\u5219\u5141\u8bb8\u5c06\u5176\u4e0a\u62c9\uff08\u5185\u8054\uff09\uff08Alexander Kuzmenkov\uff0cAleksandr Parfenov\uff09\u00a7 \u00a7

", "text": "\u5982\u679c FROM \u5b50\u53e5\u4e2d\u7684\u51fd\u6570\u6c42\u503c\u4e3a\u5e38\u91cf\uff0c\u5219\u5141\u8bb8\u5c06\u5176\u4e0a\u62c9\uff08\u5185\u8054\uff09\uff08Alexander Kuzmenkov\uff0cAleksandr Parfenov\uff09\u00a7 \u00a7", "title": "\u5982\u679c FROM \u5b50\u53e5\u4e2d\u7684\u51fd\u6570\u6c42\u503c\u4e3a\u5e38\u91cf\uff0c\u5219\u5141\u8bb8\u5c06\u5176\u4e0a\u62c9\uff08\u5185\u8054\uff09", "commits": ["7266d0997", "a9ae99d01"], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.4", "source_hash": "0dce30a490d80789dc0670de01eb156848407463f779494fc42a5aabef06fdaa", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [["7266d0997"], ["a9ae99d01"]], "identity_text": "Allow functions in FROM clauses to be pulled up (inlined) if they evaluate to constants (Alexander Kuzmenkov, Aleksandr Parfenov)", "commit_aliases": ["7266d0997", "a9ae99d01"], "source_commits": ["7266d0997", "a9ae99d01"], "source_entry_id": "13.0/changes/017", "db_id": "4bad3aab680b71cc3601066e7e3a5065", "patch_ids": ["1348da700e41cce5f75d2f64f7e6cc31", "ac2fe31721e84f58dcff2b6ef7433b5c"], "statement_hash": "c65bcc23a4c1d5235891d4b7a71178641c78391779ea64934861403c844b8390", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-2015bf37cdd6ccee", "migration": false}, {"id": "13.0-fbd6a27f114123a3", "cves": [], "html": "

\u5b9e\u73b0\u589e\u91cf\u6392\u5e8f\uff08James Coleman\uff0cAlexander Korotkov\uff0cTomas Vondra\uff09\u00a7 \u00a7

\n

\u5982\u679c\u5df2\u77e5\u67e5\u8be2\u7684\u4e2d\u95f4\u7ed3\u679c\u6309\u7167\u6240\u9700\u6392\u5e8f\u987a\u5e8f\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u524d\u5bfc\u952e\u6392\u597d\u5e8f\uff0c\u5219\u53ef\u4ee5\u5c06\u524d\u5bfc\u952e\u76f8\u540c\u7684\u884c\u5206\u6279\u6392\u5e8f\uff0c\u53ea\u8003\u8651\u5269\u4f59\u952e\u5373\u53ef\u5b8c\u6210\u989d\u5916\u7684\u6392\u5e8f\u3002

\n

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", "text": "\u5b9e\u73b0\u589e\u91cf\u6392\u5e8f\uff08James Coleman\uff0cAlexander Korotkov\uff0cTomas Vondra\uff09\u00a7 \u00a7 \u5982\u679c\u5df2\u77e5\u67e5\u8be2\u7684\u4e2d\u95f4\u7ed3\u679c\u6309\u7167\u6240\u9700\u6392\u5e8f\u987a\u5e8f\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u524d\u5bfc\u952e\u6392\u597d\u5e8f\uff0c\u5219\u53ef\u4ee5\u5c06\u524d\u5bfc\u952e\u76f8\u540c\u7684\u884c\u5206\u6279\u6392\u5e8f\uff0c\u53ea\u8003\u8651\u5269\u4f59\u952e\u5373\u53ef\u5b8c\u6210\u989d\u5916\u7684\u6392\u5e8f\u3002 \u5982\u6709\u9700\u8981\uff0c\u53ef\u4ee5\u4f7f\u7528enable_incremental_sort\u63a7\u5236\u6b64\u884c\u4e3a\u3002", "title": "\u5b9e\u73b0\u589e\u91cf\u6392\u5e8f", "commits": ["94e454cdd", "d2d8a229b"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "7326147e882b0a4166ec3b84287d9b9d0920e4953c41bfd832ae421a2029ff7b", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["94e454cdd"], ["d2d8a229b"]], "identity_text": "Implement incremental sorting (James Coleman, Alexander Korotkov, Tomas Vondra) If an intermediate query result is known to be sorted by one or more leading keys of a required sort ordering, the additional sorting can be done considering only the remaining keys, if the rows are sorted in batches that have equal leading keys. If necessary, this can be controlled using guc-enable-incremental-sort .", "commit_aliases": ["94e454cdd", "d2d8a229b"], "source_commits": ["94e454cdd", "d2d8a229b"], "source_entry_id": "13.0/changes/018", "db_id": "6f3fd1946c685503344ef054a587b1dd", "patch_ids": ["278a92e39d69c168ad24a9167f2174b7", "3dc77609ae64140459d9a9afec908107"], "statement_hash": "b7d27834a05b9b8046d54286391fa61e92ec190e4bfa43505d0a8604e9f4ed8c", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-fbd6a27f114123a3", "migration": false}, {"id": "13.0-7cf2b4fcd6a90e43", "cves": [], "html": "

\u63d0\u9ad8 inet \u503c\u7684\u6392\u5e8f\u6027\u80fd\uff08Brandur Leach\uff09\u00a7

", "text": "\u63d0\u9ad8 inet \u503c\u7684\u6392\u5e8f\u6027\u80fd\uff08Brandur Leach\uff09\u00a7", "title": "\u63d0\u9ad8 inet \u503c\u7684\u6392\u5e8f\u6027\u80fd", "commits": ["71dcd7438"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "83a3067bfd228a4d71e4935e7691c9be60dd5b90024a43f53f37464ca3988502", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["71dcd7438"]], "identity_text": "Improve the performance of sorting inet values (Brandur Leach)", "commit_aliases": ["71dcd7438"], "source_commits": ["71dcd7438"], "source_entry_id": "13.0/changes/019", "db_id": "7be3e1713fbe303ab454a9c923d9a047", "patch_ids": ["6b8159f858e88c6984f443855e76682a"], "statement_hash": "fcdbcac1c219036114076c98db61e8bfcccee2b814ca49423663db86ecc69d1c", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-7cf2b4fcd6a90e43", "migration": false}, {"id": "13.0-15d590cb812ca7d3", "cves": [], "html": "

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\n

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", "text": "\u5141\u8bb8hash \u805a\u5408\u5bf9\u5927\u578b\u805a\u5408\u7ed3\u679c\u96c6\u4f7f\u7528\u78c1\u76d8\u5b58\u50a8\uff08Jeff Davis\uff09\u00a7 \u00a7 \u00a7 \u4ee5\u524d\uff0c\u5982\u679c\u9884\u8ba1 hash \u805a\u5408\u4f7f\u7528\u7684\u5185\u5b58\u4f1a\u8d85\u8fc7work_mem\uff0c\u5c31\u4f1a\u907f\u514d\u4f7f\u7528\u5b83\u3002\u73b0\u5728\uff0c\u5373\u4f7f\u5982\u6b64\u4e5f\u53ef\u4ee5\u9009\u62e9 hash \u805a\u5408\u8ba1\u5212\u3002\u5982\u679c hash \u8868\u8d85\u8fc7 work_mem \u4e58\u4ee5hash_mem_multiplier\u7684\u5927\u5c0f\uff0c\u5c31\u4f1a\u6ea2\u5199\u5230\u78c1\u76d8\u3002 \u8fd9\u4e00\u884c\u4e3a\u901a\u5e38\u4f18\u4e8e\u65e7\u884c\u4e3a\uff1a\u4ee5\u524d\uff0c\u4e00\u65e6\u9009\u62e9\u4e86 hash \u805a\u5408\uff0c\u65e0\u8bba hash \u8868\u589e\u957f\u5230\u591a\u5927\uff0c\u90fd\u4f1a\u4e00\u76f4\u4fdd\u7559\u5728\u5185\u5b58\u4e2d\uff1b\u5982\u679c\u89c4\u5212\u5668\u4f30\u8ba1\u6709\u8bef\uff0c\u5b83\u53ef\u80fd\u53d8\u5f97\u975e\u5e38\u5927\u3002\u5982\u6709\u9700\u8981\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u5927 hash_mem_multiplier \u6765\u83b7\u5f97\u7c7b\u4f3c\u65e7\u884c\u4e3a\u7684\u6548\u679c\u3002", "title": "\u5141\u8bb8hash \u805a\u5408\u5bf9\u5927\u578b\u805a\u5408\u7ed3\u679c\u96c6\u4f7f\u7528\u78c1\u76d8\u5b58\u50a8", "commits": ["1f39bce02", "78530c8e7", "dd8e19132"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "6505ea5cd4b84a9b5dc886175f0abcc90e064e5cc54d158934cfa5585220afae", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["1f39bce02"], ["78530c8e7"], ["dd8e19132"]], "identity_text": "Allow hash aggregation to use disk storage for large aggregation result sets (Jeff Davis) Previously, hash aggregation was avoided if it was expected to use more than guc-work-mem memory. Now, a hash aggregation plan can be chosen despite that. The hash table will be spilled to disk if it exceeds work_mem times guc-hash-mem-multiplier . This behavior is normally preferable to the old behavior, in which once hash aggregation had been chosen, the hash table would be kept in memory no matter how large it got \u2014 which could be very large if the planner had misestimated. If necessary, behavior similar to that can be obtained by increasing hash_mem_multiplier.", "commit_aliases": ["1f39bce02", "78530c8e7", "dd8e19132"], "source_commits": ["1f39bce02", "78530c8e7", "dd8e19132"], "source_entry_id": "13.0/changes/020", "db_id": "6442f5ad4bd8d8b4591ad34801b96bb9", "patch_ids": ["8b1a1c056d175ee893c832f51943a10f", "aea0626a54fed81f85e92bd61da850dd", "c7f1e60b068a27818a75177db44aedde"], "statement_hash": "36045a241dec61a916dd7330db7524f0c2dc5f27ad197295e958a18649895843", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-15d590cb812ca7d3", "migration": false}, {"id": "13.0-3ac633baec8f030f", "cves": [], "html": "

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\n

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\u5982\u6709\u9700\u8981\uff0c\u53ef\u4ee5\u901a\u8fc7\u65b0\u53c2\u6570autovacuum_vacuum_insert_threshold\u548cautovacuum_vacuum_insert_scale_factor\uff0c\u6216\u7b49\u4ef7\u7684\u8868\u5b58\u50a8\u9009\u9879\u6765\u8c03\u6574\u6b64\u884c\u4e3a\u3002

", "text": "\u5141\u8bb8\u63d2\u5165\u64cd\u4f5c\u4e5f\u89e6\u53d1\u81ea\u52a8\u6e05\u7406\u4e2d\u7684\u6e05\u7406\u6d3b\u52a8\uff0c\u800c\u4e0d\u518d\u4ec5\u7531\u66f4\u65b0\u548c\u5220\u9664\u89e6\u53d1\uff08Laurenz Albe\uff0cDarafei Praliaskouski\uff09\u00a7 \u4ee5\u524d\uff0c\u4ec5\u6709\u63d2\u5165\u6d3b\u52a8\u65f6\u4f1a\u89e6\u53d1\u81ea\u52a8\u5206\u6790\uff0c\u4f46\u4e0d\u4f1a\u89e6\u53d1\u81ea\u52a8\u6e05\u7406\uff0c\u7406\u7531\u662f\u4e0d\u5b58\u5728\u9700\u8981\u79fb\u9664\u7684\u6b7b\u5143\u7ec4\u3002\u7136\u800c\uff0c\u6e05\u7406\u626b\u63cf\u8fd8\u6709\u5176\u4ed6\u6709\u76ca\u7684\u526f\u4f5c\u7528\uff0c\u4f8b\u5982\u8bbe\u7f6e\u9875\u9762\u5168\u53ef\u89c1\u4f4d\uff0c\u4ece\u800c\u63d0\u9ad8\u4ec5\u7d22\u5f15\u626b\u63cf\u7684\u6548\u7387\u3002\u53e6\u5916\uff0c\u8ba9\u4ec5\u63d2\u5165\u7684\u8868\u63a5\u53d7\u5468\u671f\u6027\u6e05\u7406\uff0c\u6709\u52a9\u4e8e\u5206\u6563\u201c\u51bb\u7ed3\u201d\u65e7\u5143\u7ec4\u7684\u5de5\u4f5c\u91cf\uff0c\u907f\u514d\u6574\u4e2a\u8868\u540c\u65f6\u8fbe\u5230\u9632\u56de\u5377\u9608\u503c\u65f6\uff0c\u7a81\u7136\u9700\u8981\u6267\u884c\u5927\u91cf\u51bb\u7ed3\u5de5\u4f5c\u3002 \u5982\u6709\u9700\u8981\uff0c\u53ef\u4ee5\u901a\u8fc7\u65b0\u53c2\u6570autovacuum_vacuum_insert_threshold\u548cautovacuum_vacuum_insert_scale_factor\uff0c\u6216\u7b49\u4ef7\u7684\u8868\u5b58\u50a8\u9009\u9879\u6765\u8c03\u6574\u6b64\u884c\u4e3a\u3002", "title": "\u5141\u8bb8\u63d2\u5165\u64cd\u4f5c\u4e5f\u89e6\u53d1\u81ea\u52a8\u6e05\u7406\u4e2d\u7684\u6e05\u7406\u6d3b\u52a8\uff0c\u800c\u4e0d\u518d\u4ec5\u7531\u66f4\u65b0\u548c\u5220\u9664\u89e6\u53d1", "commits": ["b07642dbc"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "d039b6b317faabbf49abde232f85e0528f56777455f2ca9be46ada3232d18fdc", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["b07642dbc"]], "identity_text": "Allow inserts, not only updates and deletes, to trigger vacuuming activity in autovacuum (Laurenz Albe, Darafei Praliaskouski) Previously, insert-only activity would trigger auto-analyze but not auto-vacuum, on the grounds that there could not be any dead tuples to remove. However, a vacuum scan has other useful side-effects such as setting page-all-visible bits, which improves the efficiency of index-only scans. Also, allowing an insert-only table to receive periodic vacuuming helps to spread out the work of freezing old tuples, so that there is not suddenly a large amount of freezing work to do when the entire table reaches the anti-wraparound threshold all at once. If necessary, this behavior can be adjusted with the new parameters guc-autovacuum-vacuum-insert-threshold and guc-autovacuum-vacuum-insert-scale-factor , or the equivalent table storage options.", "commit_aliases": ["b07642dbc"], "source_commits": ["b07642dbc"], "source_entry_id": "13.0/changes/021", "db_id": "ff243b43c207ec3e528bcb615e41e0ad", "patch_ids": ["dd4a38c2cef7db1665e28a1a9ff16317"], "statement_hash": "a75fea2e370989e623b4dd0557b356397fde08d58f02154768c4bf5eeae19679", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-3ac633baec8f030f", "migration": false}, {"id": "13.0-2086e47d6fa03cdd", "cves": [], "html": "

\u589e\u52a0maintenance_io_concurrency\u53c2\u6570\uff0c\u4ee5\u63a7\u5236\u7ef4\u62a4\u64cd\u4f5c\u7684 I/O \u5e76\u53d1\u5ea6\uff08Thomas Munro\uff09\u00a7

", "text": "\u589e\u52a0maintenance_io_concurrency\u53c2\u6570\uff0c\u4ee5\u63a7\u5236\u7ef4\u62a4\u64cd\u4f5c\u7684 I/O \u5e76\u53d1\u5ea6\uff08Thomas Munro\uff09\u00a7", "title": "\u589e\u52a0maintenance_io_concurrency\u53c2\u6570\uff0c\u4ee5\u63a7\u5236\u7ef4\u62a4\u64cd\u4f5c\u7684 I/O \u5e76\u53d1\u5ea6", "commits": ["fc34b0d9d"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "efd0b9ce10b052bb1682f544584949baad36d92419138589c516bf10911ee3ea", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["fc34b0d9d"]], "identity_text": "Add guc-maintenance-io-concurrency parameter to control I/O concurrency for maintenance operations (Thomas Munro)", "commit_aliases": ["fc34b0d9d"], "source_commits": ["fc34b0d9d"], "source_entry_id": "13.0/changes/022", "db_id": "295f700db62c2f12965dacb55956fa60", "patch_ids": ["12c1a95ce51d50f455dccf8066eba9e7"], "statement_hash": "1d736eb5805e08baea756c991a9fbab291d5b7e7cb5fb9f84c3ba70281036636", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-2086e47d6fa03cdd", "migration": false}, {"id": "13.0-b85de750769c20fe", "cves": [], "html": "

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\n

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", "text": "\u5982\u679cwal_level\u4e3a minimal\uff0c\u5219\u5141\u8bb8\u5728\u521b\u5efa\u6216\u91cd\u5199\u5173\u7cfb\u7684\u4e8b\u52a1\u671f\u95f4\u8df3\u8fc7 WAL \u5199\u5165\uff08Kyotaro Horiguchi\uff09\u00a7 \u5bf9\u4e8e\u5927\u4e8ewal_skip_threshold\u7684\u5173\u7cfb\uff0c\u4f1a\u5bf9\u5176\u6587\u4ef6\u6267\u884c fsync\uff0c\u800c\u4e0d\u751f\u6210 WAL\u3002\u4ee5\u524d\uff0c\u53ea\u6709 COPY \u64cd\u4f5c\u4f1a\u8fd9\u6837\u5904\u7406\uff0c\u4f46\u5176\u5b9e\u73b0\u6709\u4e00\u4e2a\u7f3a\u9677\uff0c\u53ef\u80fd\u5728\u5d29\u6e83\u6062\u590d\u671f\u95f4\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002", "title": "\u5982\u679cwal_level\u4e3a minimal\uff0c\u5219\u5141\u8bb8\u5728\u521b\u5efa\u6216\u91cd\u5199\u5173\u7cfb\u7684\u4e8b\u52a1\u671f\u95f4\u8df3\u8fc7 WAL \u5199\u5165", "commits": ["c6b92041d"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "cd126d964c1306b4eb5abb3509e5c4f2239cf7bcd5930659493c8ade889a8c1f", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["c6b92041d"]], "identity_text": "Allow WAL writes to be skipped during a transaction that creates or rewrites a relation, if guc-wal-level is minimal (Kyotaro Horiguchi) Relations larger than guc-wal-skip-threshold will have their files fsync'ed rather than generating WAL. Previously this was done only for COPY operations, but the implementation had a bug that could cause data loss during crash recovery.", "commit_aliases": ["c6b92041d"], "source_commits": ["c6b92041d"], "source_entry_id": "13.0/changes/023", "db_id": "30220ba09b5895e9693d456c854b4b9a", "patch_ids": ["3102d077d66fee2dfbbf3f49416f0976"], "statement_hash": "7bc93299750a74078e761ced8ff9f816bc9639125caec32a7497914dcc49918a", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-b85de750769c20fe", "migration": false}, {"id": "13.0-2bd61199dd73324a", "cves": [], "html": "

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", "text": "\u63d0\u9ad8\u4f7f\u7528\u5927\u91cf\u8868\u7a7a\u95f4\u65f6\u91cd\u653e DROP DATABASE \u547d\u4ee4\u7684\u6027\u80fd\uff08Fujii Masao\uff09\u00a7", "title": "\u63d0\u9ad8\u4f7f\u7528\u5927\u91cf\u8868\u7a7a\u95f4\u65f6\u91cd\u653e DROP DATABASE \u547d\u4ee4\u7684\u6027\u80fd", "commits": ["e6d806952"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "6344f97399fa516ff4358f637f8bbd4f4a7e21b925a687f1c72cb710a7191dba", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["e6d806952"]], "identity_text": "Improve performance when replaying DROP DATABASE commands when many tablespaces are in use (Fujii Masao)", "commit_aliases": ["e6d806952"], "source_commits": ["e6d806952"], "source_entry_id": "13.0/changes/024", "db_id": "a9b6bade4ee22fc67b760b2ea0980f08", "patch_ids": ["c669522b6d5e90b906fc018e3b7c0f1a"], "statement_hash": "9e4369a1bad90e265f2f0a1414b2171057535813f740f6d06bd1d84171530514", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-2bd61199dd73324a", "migration": false}, {"id": "13.0-48efa86846d0f12a", "cves": [], "html": "

\u63d0\u9ad8\u622a\u65ad\u8d85\u5927\u5173\u7cfb\u7684\u6027\u80fd\uff08Kirk Jamison\uff09\u00a7

", "text": "\u63d0\u9ad8\u622a\u65ad\u8d85\u5927\u5173\u7cfb\u7684\u6027\u80fd\uff08Kirk Jamison\uff09\u00a7", "title": "\u63d0\u9ad8\u622a\u65ad\u8d85\u5927\u5173\u7cfb\u7684\u6027\u80fd", "commits": ["6d05086c0"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "a74fce7166d12ebc59a9d7e2e907fa8a8b9248991de7cd81df67a8eb6e400cef", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["6d05086c0"]], "identity_text": "Improve performance for truncation of very large relations (Kirk Jamison)", "commit_aliases": ["6d05086c0"], "source_commits": ["6d05086c0"], "source_entry_id": "13.0/changes/025", "db_id": "1e9006896a1af69d834a155edb3255de", "patch_ids": ["10115d396c71180e50c1b8fcf075a3fb"], "statement_hash": "df9c6284cc83d08f40b230c5abfba2165dd6eba4883666826d24e121acb12f69", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-48efa86846d0f12a", "migration": false}, {"id": "13.0-78e12abcf4795b00", "cves": [], "html": "

\u6539\u8fdb\u5bf9\u7ecf\u8fc7 TOAST \u5904\u7406\u7684\u503c\u7684\u8d77\u59cb\u5b57\u8282\u7684\u83b7\u53d6\uff08Binguo Bao\uff0cAndrey Borodin\uff09\u00a7

\n

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", "text": "\u6539\u8fdb\u5bf9\u7ecf\u8fc7 TOAST \u5904\u7406\u7684\u503c\u7684\u8d77\u59cb\u5b57\u8282\u7684\u83b7\u53d6\uff08Binguo Bao\uff0cAndrey Borodin\uff09\u00a7 \u4ee5\u524d\uff0c\u5373\u4f7f\u5df2\u77e5\u53ea\u9700\u8981\u8d77\u59cb\u7684\u4e00\u90e8\u5206\u5b57\u8282\uff0c\u4e5f\u4f1a\u5b8c\u6574\u83b7\u53d6\u538b\u7f29\u7684\u884c\u5916 TOAST \u503c\u3002\u73b0\u5728\uff0c\u53ea\u83b7\u53d6\u8db3\u4ee5\u751f\u6210\u7ed3\u679c\u7684\u6570\u636e\u3002", "title": "\u6539\u8fdb\u5bf9\u7ecf\u8fc7 TOAST \u5904\u7406\u7684\u503c\u7684\u8d77\u59cb\u5b57\u8282\u7684\u83b7\u53d6", "commits": ["11a078cf8"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "1c388da4bcfbb54bdeeb8251d35ba6b66b5eb69951c3822509bad3e4ba0841a1", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["11a078cf8"]], "identity_text": "Improve retrieval of the leading bytes of TOAST'ed values (Binguo Bao, Andrey Borodin) Previously, compressed out-of-line TOAST values were fully fetched even when it's known that only some leading bytes are needed. Now, only enough data to produce the result is fetched.", "commit_aliases": ["11a078cf8"], "source_commits": ["11a078cf8"], "source_entry_id": "13.0/changes/026", "db_id": "f5fb1b1f9ded8c1ceb227b00db1c2958", "patch_ids": ["cef0836907cdb9beac39ce5b71086988"], "statement_hash": "bc342db307b119cd9c25d5ce61994249266ffa0a3ce8a83153209bcbf0b1dccd", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-78e12abcf4795b00", "migration": false}, {"id": "13.0-d2feeed792795170", "cves": [], "html": "

\u63d0\u9ad8 LISTEN/NOTIFY \u7684\u6027\u80fd\uff08Martijn van Oosterhout\uff0cTom Lane\uff09\u00a7 \u00a7 \u00a7

", "text": "\u63d0\u9ad8 LISTEN/NOTIFY \u7684\u6027\u80fd\uff08Martijn van Oosterhout\uff0cTom Lane\uff09\u00a7 \u00a7 \u00a7", "title": "\u63d0\u9ad8 LISTEN/NOTIFY \u7684\u6027\u80fd", "commits": ["51004c717", "bb5ae8f6c", "bca6e6435"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "fb780bf746f5a3624ca523ace8bb3d3e687c835561624a0c1d6c593142e963f3", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["51004c717"], ["bb5ae8f6c"], ["bca6e6435"]], "identity_text": "Improve performance of LISTEN/NOTIFY (Martijn van Oosterhout, Tom Lane)", "commit_aliases": ["51004c717", "bb5ae8f6c", "bca6e6435"], "source_commits": ["51004c717", "bb5ae8f6c", "bca6e6435"], "source_entry_id": "13.0/changes/027", "db_id": "39aeeff4a065d1e88fa614ebd7e37a10", "patch_ids": ["7d646f6c58ff910e7dd9a5d0eb625fdc", "94ae3f18f3c79d85a0a3e73c7c28a07b", "df7551865fdd0590b5acb5ca137f3280"], "statement_hash": "2d6903fd34b84130f869ce3b12c71d550a0cf93bc58ec4e5d79572f69d85773f", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-d2feeed792795170", "migration": false}, {"id": "13.0-de96200c21fa67b5", "cves": [], "html": "

\u52a0\u5feb\u6574\u6570\u5230\u6587\u672c\u7684\u8f6c\u6362\uff08David Fetter\uff09\u00a7

", "text": "\u52a0\u5feb\u6574\u6570\u5230\u6587\u672c\u7684\u8f6c\u6362\uff08David Fetter\uff09\u00a7", "title": "\u52a0\u5feb\u6574\u6570\u5230\u6587\u672c\u7684\u8f6c\u6362", "commits": ["1fd687a03"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "36af82f7d62ee80b507e36be1c04de924bb9f167a72733bf906cf2a10d3d03a4", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["1fd687a03"]], "identity_text": "Speed up conversions of integers to text (David Fetter)", "commit_aliases": ["1fd687a03"], "source_commits": ["1fd687a03"], "source_entry_id": "13.0/changes/028", "db_id": "146793203d27f4483566ccde04c0a80f", "patch_ids": ["45afb2686c385bef49fee44bcead94ed"], "statement_hash": "cb987b4d56de264131e4a585e21034140003fee4012425d64f137d8229b137a4", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-de96200c21fa67b5", "migration": false}, {"id": "13.0-a6da1f40d67c9421", "cves": [], "html": "

\u51cf\u5c11\u5305\u542b\u5927\u91cf SQL \u8bed\u53e5\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u548c\u6269\u5c55\u811a\u672c\u7684\u5185\u5b58\u7528\u91cf\uff08Amit Langote\uff09\u00a7

", "text": "\u51cf\u5c11\u5305\u542b\u5927\u91cf SQL \u8bed\u53e5\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u548c\u6269\u5c55\u811a\u672c\u7684\u5185\u5b58\u7528\u91cf\uff08Amit Langote\uff09\u00a7", "title": "\u51cf\u5c11\u5305\u542b\u5927\u91cf SQL \u8bed\u53e5\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u548c\u6269\u5c55\u811a\u672c\u7684\u5185\u5b58\u7528\u91cf", "commits": ["b5810de3f"], "section": "\u670d\u52a1\u5668 / \u4e00\u822c\u6027\u80fd", "category": "performance", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.5", "source_hash": "8fb7798c19e322d4dd0521369b4269d3f226e165d46a42e66bf6eeedf484aebd", "section_path": ["\u670d\u52a1\u5668", "\u4e00\u822c\u6027\u80fd"], "commit_groups": [["b5810de3f"]], "identity_text": "Reduce memory usage for query strings and extension scripts that contain many SQL statements (Amit Langote)", "commit_aliases": ["b5810de3f"], "source_commits": ["b5810de3f"], "source_entry_id": "13.0/changes/029", "db_id": "15e468abbb5e4eccab6f4881331a59fd", "patch_ids": ["1ab927c2f38b29e4895f038a2f2ec8e2"], "statement_hash": "fef69d605d385fbcff9f772a04be8789d4733cd24dae1d94a1f66041d951ffe2", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=13.0#13.0-a6da1f40d67c9421", "migration": false}, {"id": "13.0-8954db92bf2ae4b2", "cves": [], "html": "

\u5141\u8bb8 EXPLAIN\u3001auto_explain\u3001\u81ea\u52a8\u6e05\u7406\u548cpg_stat_statements\u8ddf\u8e2a WAL \u4f7f\u7528\u7edf\u8ba1\u4fe1\u606f\uff08Kirill Bychik\uff0cJulien Rouhaud\uff09\u00a7 \u00a7 \u00a7

", "text": "\u5141\u8bb8 EXPLAIN\u3001auto_explain\u3001\u81ea\u52a8\u6e05\u7406\u548cpg_stat_statements\u8ddf\u8e2a WAL \u4f7f\u7528\u7edf\u8ba1\u4fe1\u606f\uff08Kirill Bychik\uff0cJulien Rouhaud\uff09\u00a7 \u00a7 \u00a7", "title": "\u5141\u8bb8 EXPLAIN\u3001auto_explain\u3001\u81ea\u52a8\u6e05\u7406\u548cpg_stat_statements\u8ddf\u8e2a WAL \u4f7f\u7528\u7edf\u8ba1\u4fe1\u606f", "commits": ["33e05f89c", "6b466bf5f", "b7ce6de93"], "section": "\u670d\u52a1\u5668 / \u76d1\u63a7", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.3.6", "source_hash": "fe57ed5e272beb286e871294fb61af1e52d3915327a84f1534d0c7254cee6e56", "section_path": ["\u670d\u52a1\u5668", "\u76d1\u63a7"], "commit_groups": [["33e05f89c"], ["6b466bf5f"], ["b7ce6de93"]], "identity_text": "Allow EXPLAIN, auto-explain , autovacuum, and pgstatstatements to track WAL usage statistics (Kirill Bychik, Julien Rouhaud)", "commit_aliases": ["33e05f89c", "6b466bf5f", "b7ce6de93"], "source_commits": ["33e05f89c", "6b466bf5f", "b7ce6de93"], "source_entry_id": "13.0/changes/030", "db_id": "a81bca950723330723a396880d7230a2", "patch_ids": ["31925c9b2818b267801035402c499e9e", "6c03acae0cf345cf70fa5c0ee8270beb", "fb3d78d447fffec325ed73861b82ea2a"], "statement_hash": "ad6c2f4a105ad1fbba32edbf61724b4df3fc58f2f02ab482297d761eceedfbf0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-8954db92bf2ae4b2", "migration": false}, {"id": "13.0-40cc7222acb2a242", "cves": [], "html": "

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\n

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\n

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\n

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\n

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\n

\u8fd9\u901a\u8fc7 FORCE \u9009\u9879\u542f\u7528\u3002

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\n

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\n

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\u589e\u52a0\u6570\u636e\u7c7b\u578b regcollation \u53ca\u76f8\u5173\u51fd\u6570\uff0c\u4ee5\u8868\u793a\u6392\u5e8f\u89c4\u5219\u5bf9\u8c61\u7684 OID\uff08Julien Rouhaud\uff09\u00a7

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\n

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\u589e\u52a0 Windows \u4e0a\u7684\u6392\u5e8f\u89c4\u5219\u7248\u672c\u652f\u6301\uff08Thomas Munro\uff09\u00a7

", "text": "\u589e\u52a0 Windows \u4e0a\u7684\u6392\u5e8f\u89c4\u5219\u7248\u672c\u652f\u6301\uff08Thomas Munro\uff09\u00a7", "title": "\u589e\u52a0 Windows \u4e0a\u7684\u6392\u5e8f\u89c4\u5219\u7248\u672c\u652f\u6301", "commits": ["352f6f2df"], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.6", "source_hash": "f57ec1495bdec4185ecebbf0268db20021bb74709d940f241a3d6df45980796a", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [["352f6f2df"]], "identity_text": "Add support for collation versions on Windows (Thomas Munro)", "commit_aliases": ["352f6f2df"], "source_commits": ["352f6f2df"], "source_entry_id": "13.0/changes/077", "db_id": "5876645bd72a51f36c3b30f431806d2d", "patch_ids": ["579e9e0e30f65b8135af1391d8f77abc"], "statement_hash": "1010e98f9be3c000eaf6586981afde64f65de803b8e85baf09fce89610b8e53f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-93a5b7a8fe2a314b", "migration": false}, {"id": "13.0-dbf1c697d2a7896a", "cves": [], "html": "

\u5141\u8bb8\u901a\u8fc7\u540e\u7f00\u8bb0\u6cd5\u63d0\u53d6 ROW \u8868\u8fbe\u5f0f\u7684\u6210\u5458\uff08Tom Lane\uff09\u00a7

\n

\u4f8b\u5982\uff0c(ROW(4, 5.0)).f1 \u73b0\u5728\u8fd4\u56de 4\u3002

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\n

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\u589e\u52a0 jsonpath \u7684 .datetime() \u65b9\u6cd5\uff08Nikita Glukhov\uff0cTeodor Sigaev\uff0cOleg Bartunov\uff0cAlexander Korotkov\uff09\u00a7

\n

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\u589e\u52a0 SQL \u51fd\u6570 NORMALIZE()\uff0c\u4ee5\u89c4\u8303\u5316 Unicode \u5b57\u7b26\u4e32\uff0c\u5e76\u589e\u52a0 IS NORMALIZED \u6765\u68c0\u67e5\u662f\u5426\u5df2\u89c4\u8303\u5316\uff08Peter Eisentraut\uff09\u00a7

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\u4e3a pg_lsn \u589e\u52a0 min() \u548c max() \u805a\u5408\uff08Fabr\u00edzio de Royes Mello\uff09\u00a7

\n

\u8fd9\u4e9b\u805a\u5408\u5728\u76d1\u63a7\u67e5\u8be2\u4e2d\u7279\u522b\u6709\u7528\u3002

", "text": "\u4e3a pg_lsn \u589e\u52a0 min() \u548c max() \u805a\u5408\uff08Fabr\u00edzio de Royes Mello\uff09\u00a7 \u8fd9\u4e9b\u805a\u5408\u5728\u76d1\u63a7\u67e5\u8be2\u4e2d\u7279\u522b\u6709\u7528\u3002", "title": "\u4e3a pg_lsn \u589e\u52a0 min() \u548c max() \u805a\u5408", "commits": ["313f87a17"], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.7", "source_hash": "0db90e1d5d7f0c0d3ac48485aea537c933467addc708dcb35625ef7da45424b0", "section_path": ["\u51fd\u6570"], "commit_groups": [["313f87a17"]], "identity_text": "Add min() and max() aggregates for pg_lsn (Fabr\u00edzio de Royes Mello) These are particularly useful in monitoring queries.", "commit_aliases": ["313f87a17"], "source_commits": ["313f87a17"], "source_entry_id": "13.0/changes/082", "db_id": "8275cf4baee9025dd4071968c61fa1a3", "patch_ids": ["1e0bf1ac81a6ea2abc9254b35d3ba621"], "statement_hash": "06932c69ae6af7967400d799d342082fcbd48cdb2c584041e9e473e7624d7aa1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-90b0801a54d29e00", "migration": false}, {"id": "13.0-f4d4dc34e5a3ad8a", "cves": [], "html": "

\u5141\u8bb8Unicode \u8f6c\u4e49\uff0c\u4f8b\u5982 E'\\unnnn' \u6216 U&'\\nnnn'\uff0c\u6307\u5b9a\u6570\u636e\u5e93\u7f16\u7801\u4e2d\u53ef\u7528\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u7f16\u7801\u4e0d\u662f UTF-8\uff08Tom Lane\uff09\u00a7

", "text": "\u5141\u8bb8Unicode \u8f6c\u4e49\uff0c\u4f8b\u5982 E'\\unnnn' \u6216 U&'\\nnnn'\uff0c\u6307\u5b9a\u6570\u636e\u5e93\u7f16\u7801\u4e2d\u53ef\u7528\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u7f16\u7801\u4e0d\u662f UTF-8\uff08Tom Lane\uff09\u00a7", "title": "\u5141\u8bb8Unicode \u8f6c\u4e49\uff0c\u4f8b\u5982 E'\\unnnn' \u6216 U&'\\nnnn'\uff0c\u6307\u5b9a\u6570\u636e\u5e93\u7f16\u7801\u4e2d\u53ef\u7528\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u7f16\u7801\u4e0d\u662f UTF-8", "commits": ["a6525588b"], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.7", "source_hash": "78c51e482847e1cbae2906a81f36ee8ed065babc31cd17894165e0481f28cd8e", "section_path": ["\u51fd\u6570"], "commit_groups": [["a6525588b"]], "identity_text": "Allow Unicode escapes, e.g., E'\\unnnn' or U&'\\nnnn', to specify any character available in the database encoding, even when the database encoding is not UTF-8 (Tom Lane)", "commit_aliases": ["a6525588b"], "source_commits": ["a6525588b"], "source_entry_id": "13.0/changes/083", "db_id": "282403394cfc6fd7dc464eb42353d0ad", "patch_ids": ["d253b738a0be3e73ddc9e130347e9da0"], "statement_hash": "e4872c6d02098a8e67976907b7622a9bd3a05c4d730a060c07e6cf22e721d56c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-f4d4dc34e5a3ad8a", "migration": false}, {"id": "13.0-1ddc6186d17373d2", "cves": [], "html": "

\u5141\u8bb8 to_date() \u548c to_timestamp() \u8bc6\u522b\u975e\u82f1\u8bed\u7684\u6708\u4efd\u540d\u548c\u661f\u671f\u540d\uff08Juan Jos\u00e9 Santamar\u00eda Flecha\uff0cTom Lane\uff09\u00a7

\n

\u53ef\u8bc6\u522b\u7684\u540d\u79f0\u4e0e to_char() \u4f7f\u7528\u76f8\u540c\u683c\u5f0f\u6a21\u5f0f\u8f93\u51fa\u7684\u540d\u79f0\u76f8\u540c\u3002

", "text": "\u5141\u8bb8 to_date() \u548c to_timestamp() \u8bc6\u522b\u975e\u82f1\u8bed\u7684\u6708\u4efd\u540d\u548c\u661f\u671f\u540d\uff08Juan Jos\u00e9 Santamar\u00eda Flecha\uff0cTom Lane\uff09\u00a7 \u53ef\u8bc6\u522b\u7684\u540d\u79f0\u4e0e to_char() \u4f7f\u7528\u76f8\u540c\u683c\u5f0f\u6a21\u5f0f\u8f93\u51fa\u7684\u540d\u79f0\u76f8\u540c\u3002", "title": "\u5141\u8bb8 to_date() \u548c to_timestamp() \u8bc6\u522b\u975e\u82f1\u8bed\u7684\u6708\u4efd\u540d\u548c\u661f\u671f\u540d", "commits": ["d67755049"], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.7", "source_hash": "fbb938c212b23a464eeb753b76ea29fb903ba3281ae071d3e17089048c5ed5d0", "section_path": ["\u51fd\u6570"], "commit_groups": [["d67755049"]], "identity_text": "Allow to_date() and to_timestamp() to recognize non-English month/day names (Juan Jos\u00e9 Santamar\u00eda Flecha, Tom Lane) The names recognized are the same as those output by to_char() with the same format patterns.", "commit_aliases": ["d67755049"], "source_commits": ["d67755049"], "source_entry_id": "13.0/changes/084", "db_id": "a5b65c37623bf85f4d3b73e83cad2c7d", "patch_ids": ["3f18056cd37a6e0636f54a68e4d70d4f"], "statement_hash": "842e3b3c0d66e85d98e8419bd896ee5d69ddcffe92cd02c3b1fe6f57b49aafef", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-1ddc6186d17373d2", "migration": false}, {"id": "13.0-dcc0d72a1f1a27ed", "cves": [], "html": "

\u589e\u52a0\u65e5\u671f\u65f6\u95f4\u683c\u5f0f\u6a21\u5f0f FF1 \u2013 FF6\uff0c\u4ee5\u6307\u5b9a\u8f93\u5165\u6216\u8f93\u51fa 1 \u5230 6 \u4f4d\u5c0f\u6570\u79d2\uff08Alexander Korotkov\uff0cNikita Glukhov\uff0cTeodor Sigaev\uff0cOleg Bartunov\uff09\u00a7

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\n

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\n

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\n

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\n

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\n

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\n

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", "text": "\u5141\u8bb8 psql \u7684 \\g \u548c \\gx \u547d\u4ee4\u53ea\u5728\u8be5\u6761\u547d\u4ee4\u6267\u884c\u671f\u95f4\u66f4\u6539 \\pset \u8f93\u51fa\u9009\u9879\uff08Tom Lane\uff09\u00a7 \u6b64\u7279\u6027\u5141\u8bb8\u4f7f\u7528 \\g (expand=on) \u8fd9\u6837\u7684\u8bed\u6cd5\uff0c\u5b83\u7b49\u4ef7\u4e8e \\gx\u3002", "title": "\u5141\u8bb8 psql \u7684 \\g \u548c \\gx \u547d\u4ee4\u53ea\u5728\u8be5\u6761\u547d\u4ee4\u6267\u884c\u671f\u95f4\u66f4\u6539 \\pset \u8f93\u51fa\u9009\u9879", "commits": ["b63c293bc"], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / psql", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.10.2", "source_hash": "de12c4600f38140041b06a457df2fba1bc6aca39682f8d60ae58db2e3c54426b", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "psql"], "commit_groups": [["b63c293bc"]], "identity_text": "Allow psql's \\g and \\gx commands to change \\pset output options for the duration of that single command (Tom Lane) This feature allows syntax like \\g (expand=on), which is equivalent to \\gx.", "commit_aliases": ["b63c293bc"], "source_commits": ["b63c293bc"], "source_entry_id": "13.0/changes/106", "db_id": "86ff892176ab0c0488eb5fbb4b2ea0a8", "patch_ids": ["16d61987d6fd407dd5a429c83c16fb00"], "statement_hash": "08503c9d63970e568ecb54d1fb0874b985871e34251090a226e3c1e4a59a9562", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-a091ebc7307c0055", "migration": false}, {"id": "13.0-b280f1437ad4d798", "cves": [], "html": "

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\n

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\n

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\u6539\u8fdb psql \u7684 \\d \u5bf9 TOAST \u8868\u7684\u8f93\u51fa\uff08Justin Pryzby\uff09\u00a7

", "text": "\u6539\u8fdb psql \u7684 \\d \u5bf9 TOAST \u8868\u7684\u8f93\u51fa\uff08Justin Pryzby\uff09\u00a7", "title": "\u6539\u8fdb psql \u7684 \\d \u5bf9 TOAST \u8868\u7684\u8f93\u51fa", "commits": ["eb5472da9"], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / psql", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.10.2", "source_hash": "2b81881e4fcc170c1c112b56064ac80a95277004c370bdd3609193db66497397", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "psql"], "commit_groups": [["eb5472da9"]], "identity_text": "Improve output of psql's \\d for TOAST tables (Justin Pryzby)", "commit_aliases": ["eb5472da9"], "source_commits": ["eb5472da9"], "source_entry_id": "13.0/changes/109", "db_id": "fbcd332d7d74f3111d803df6e3dbe808", "patch_ids": ["b6ef59184739690fa5407e034dbf6d7e"], "statement_hash": "465150c1eabe6234e0e28b65b6ec537ac221c4b473dfcda34b6c53c92061dbca", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-d0d90c43e9dca9f2", "migration": false}, {"id": "13.0-f1e23be8ae7b4c59", "cves": [], "html": "

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\n

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\u8fd9\u901a\u8fc7\u65b0\u589e\u7684 --parallel \u9009\u9879\u542f\u7528\u3002

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\u8fd9\u901a\u8fc7 -f \u9009\u9879\u542f\u7528\u3002

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\u79fb\u9664\u5bf9 OpenSSL 0.9.8 \u548c 1.0.0 \u7684\u652f\u6301\uff08Michael Paquier\uff09\u00a7

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\u79fb\u9664 configure \u9009\u9879 --disable-float8-byval \u548c --disable-float4-byval\uff08Peter Eisentraut\uff09\u00a7 \u00a7

\n

\u8fd9\u4e9b\u5185\u5bb9\u66fe\u7528\u4e8e\u517c\u5bb9\u67d0\u4e9b\u7248\u672c\u96f6 C \u51fd\u6570\uff0c\u4f46\u90a3\u4e9b\u51fd\u6570\u5df2\u4e0d\u518d\u53d7\u652f\u6301\u3002

", "text": "\u79fb\u9664 configure \u9009\u9879 --disable-float8-byval \u548c --disable-float4-byval\uff08Peter Eisentraut\uff09\u00a7 \u00a7 \u8fd9\u4e9b\u5185\u5bb9\u66fe\u7528\u4e8e\u517c\u5bb9\u67d0\u4e9b\u7248\u672c\u96f6 C \u51fd\u6570\uff0c\u4f46\u90a3\u4e9b\u51fd\u6570\u5df2\u4e0d\u518d\u53d7\u652f\u6301\u3002", "title": "\u79fb\u9664 configure \u9009\u9879 --disable-float8-byval \u548c --disable-float4-byval", "commits": ["2e4db241b", "4513d8b07"], "section": "\u6e90\u4ee3\u7801", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.13", "source_hash": "5d4709133c6411130ae0ae01c76fb76a6a21dec287fc4e0f0418e01acaf48536", "section_path": ["\u6e90\u4ee3\u7801"], "commit_groups": [["2e4db241b"], ["4513d8b07"]], "identity_text": "Remove configure options --disable-float8-byval and --disable-float4-byval (Peter Eisentraut) These were needed for compatibility with some version-zero C functions, but those are no longer supported.", "commit_aliases": ["2e4db241b", "4513d8b07"], "source_commits": ["2e4db241b", "4513d8b07"], "source_entry_id": "13.0/changes/141", "db_id": "c1b496f2458af3a94ba223eff21c1362", "patch_ids": ["585b70c91cf2f1c95454b7ac7e9fed04", "84ce571e5a93a239d3cc7d06a19e8edd"], "statement_hash": "d38171c935857423547798c35f561acd76586d907b9023259abd4ecd4f7e05df", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-47bc59439febf2d9", "migration": false}, {"id": "13.0-d5c5dbf4056c38b3", "cves": [], "html": "

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\u589e\u52a0 TLS \u521d\u59cb\u5316\u94a9\u5b50\uff08Andrew Dunstan\uff09\u00a7

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\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7edf\u51fd\u6570\u53ef\u9760\u5730\u64e6\u9664\u5305\u542b\u654f\u611f\u4fe1\u606f\u7684\u5185\u5b58\uff08Peter Eisentraut\uff09\u00a7

\n

\u4f8b\u5982\uff0c\u53ef\u7528\u5b83\u6e05\u9664\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u5bc6\u7801\u3002

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\u5c06\u5185\u90e8\u5217\u8868\u5b9e\u73b0\u4e3a\u6570\u7ec4\uff0c\u800c\u4e0d\u518d\u91c7\u7528\u5355\u5143\u94fe\u8868\uff08Tom Lane\uff09\u00a7

\n

\u8fd9\u63d0\u9ad8\u4e86\u8bbf\u95ee\u5927\u91cf\u5bf9\u8c61\u7684\u67e5\u8be2\u7684\u6027\u80fd\u3002

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\u4fee\u6539 TS_execute() \u7684 API\uff08Tom Lane\uff0cPavel Borisov\uff09\u00a7 \u00a7

\n

TS_execute \u56de\u8c03\u73b0\u5728\u5fc5\u987b\u63d0\u4f9b\u4e09\u503c\uff08\u662f\u3001\u5426\u3001\u53ef\u80fd\uff09\u903b\u8f91\u3002\u73b0\u5728\u9ed8\u8ba4\u51c6\u786e\u8ba1\u7b97 NOT \u67e5\u8be2\u3002

", "text": "\u4fee\u6539 TS_execute() \u7684 API\uff08Tom Lane\uff0cPavel Borisov\uff09\u00a7 \u00a7 TS_execute \u56de\u8c03\u73b0\u5728\u5fc5\u987b\u63d0\u4f9b\u4e09\u503c\uff08\u662f\u3001\u5426\u3001\u53ef\u80fd\uff09\u903b\u8f91\u3002\u73b0\u5728\u9ed8\u8ba4\u51c6\u786e\u8ba1\u7b97 NOT \u67e5\u8be2\u3002", "title": "\u4fee\u6539 TS_execute() \u7684 API", "commits": ["70eca6a9a", "92fe6895d"], "section": "\u6e90\u4ee3\u7801", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.13", "source_hash": "033ea1cb930dc6cde616ee6321cbfe9aaab7f7ee2afbb977d786af31edf84790", "section_path": ["\u6e90\u4ee3\u7801"], "commit_groups": [["70eca6a9a"], ["92fe6895d"]], "identity_text": "Change the API for TS_execute() (Tom Lane, Pavel Borisov) TS_execute callbacks must now provide ternary (yes/no/maybe) logic. Calculating NOT queries accurately is now the default.", "commit_aliases": ["70eca6a9a", "92fe6895d"], "source_commits": ["70eca6a9a", "92fe6895d"], "source_entry_id": "13.0/changes/150", "db_id": "0064c983de34fa708629d862de1c76c8", "patch_ids": ["16cb724676b10026a01a3b8e1e64e9a0", "779c94bac88b432128cc8037d7548c2e"], "statement_hash": "0d04a7f46f651390631b3e048898ede9cbef7abd4fecb038f51bf471d4f79426", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-d438a0e2943979f6", "migration": false}, {"id": "13.0-f6efc6b220a9879c", "cves": [], "html": "

\u5141\u8bb8\u5c06\u6269\u5c55\u6307\u5b9a\u4e3a\u53ef\u4fe1\uff08Tom Lane\uff09\u00a7

\n

\u62e5\u6709\u6570\u636e\u5e93\u7ea7 CREATE \u6743\u9650\u7684\u7528\u6237\uff0c\u5373\u4f7f\u4e0d\u662f\u8d85\u7ea7\u7528\u6237\uff0c\u4e5f\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u4e2d\u5b89\u88c5\u8fd9\u7c7b\u6269\u5c55\u3002\u6b64\u9879\u4fee\u6539\u8fd8\u79fb\u9664\u4e86 pg_pltemplate \u7cfb\u7edf\u76ee\u5f55\u3002

", "text": "\u5141\u8bb8\u5c06\u6269\u5c55\u6307\u5b9a\u4e3a\u53ef\u4fe1\uff08Tom Lane\uff09\u00a7 \u62e5\u6709\u6570\u636e\u5e93\u7ea7 CREATE \u6743\u9650\u7684\u7528\u6237\uff0c\u5373\u4f7f\u4e0d\u662f\u8d85\u7ea7\u7528\u6237\uff0c\u4e5f\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u4e2d\u5b89\u88c5\u8fd9\u7c7b\u6269\u5c55\u3002\u6b64\u9879\u4fee\u6539\u8fd8\u79fb\u9664\u4e86 pg_pltemplate \u7cfb\u7edf\u76ee\u5f55\u3002", "title": "\u5141\u8bb8\u5c06\u6269\u5c55\u6307\u5b9a\u4e3a\u53ef\u4fe1", "commits": ["50fc694e4"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "563675a14bd6d9ae39f9ee65d4b43e16bd1255934a10551f9954adb49cb4b854", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["50fc694e4"]], "identity_text": "Allow extensions to be specified as trusted (Tom Lane) Such extensions can be installed in a database by users with database-level CREATE privileges, even if they are not superusers. This change also removes the pg_pltemplate system catalog.", "commit_aliases": ["50fc694e4"], "source_commits": ["50fc694e4"], "source_entry_id": "13.0/changes/151", "db_id": "8b076c285c8a78e6af9aab2947565079", "patch_ids": ["7076d99d9291dfce070ea0831c6fecfd"], "statement_hash": "84d40697540d974b09e0a841d209176d1f2a1007cd6c3856481d20a919b7f090", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-f6efc6b220a9879c", "migration": false}, {"id": "13.0-cea87d654fc87bc7", "cves": [], "html": "

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\n

\u5177\u4f53\u6765\u8bf4\uff0c\u5141\u8bb8\u8d85\u7ea7\u7528\u6237\u5c06\u67d0\u4e2a\u7528\u6237\u6620\u5c04\u7684 password_required \u8bbe\u7f6e\u4e3a false\u3002\u4ecd\u987b\u6ce8\u610f\u9632\u6b62\u975e\u8d85\u7ea7\u7528\u6237\u4f7f\u7528\u8d85\u7ea7\u7528\u6237\u51ed\u636e\u8fde\u63a5\u5230\u5916\u90e8\u670d\u52a1\u5668\u3002

", "text": "\u5141\u8bb8\u975e\u8d85\u7ea7\u7528\u6237\u4e0d\u4f7f\u7528\u5bc6\u7801\u5c31\u8fde\u63a5\u5230postgres_fdw\u5916\u90e8\u670d\u52a1\u5668\uff08Craig Ringer\uff09\u00a7 \u5177\u4f53\u6765\u8bf4\uff0c\u5141\u8bb8\u8d85\u7ea7\u7528\u6237\u5c06\u67d0\u4e2a\u7528\u6237\u6620\u5c04\u7684 password_required \u8bbe\u7f6e\u4e3a false\u3002\u4ecd\u987b\u6ce8\u610f\u9632\u6b62\u975e\u8d85\u7ea7\u7528\u6237\u4f7f\u7528\u8d85\u7ea7\u7528\u6237\u51ed\u636e\u8fde\u63a5\u5230\u5916\u90e8\u670d\u52a1\u5668\u3002", "title": "\u5141\u8bb8\u975e\u8d85\u7ea7\u7528\u6237\u4e0d\u4f7f\u7528\u5bc6\u7801\u5c31\u8fde\u63a5\u5230postgres_fdw\u5916\u90e8\u670d\u52a1\u5668", "commits": ["6136e94dc"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "8a5a09c9e0a1fdaed16ca9e691bace467010960d276497c347576e227afe35cf", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["6136e94dc"]], "identity_text": "Allow non-superusers to connect to postgres-fdw foreign servers without using a password (Craig Ringer) Specifically, allow a superuser to set password_required to false for a user mapping. Care must still be taken to prevent non-superusers from using superuser credentials to connect to the foreign server.", "commit_aliases": ["6136e94dc"], "source_commits": ["6136e94dc"], "source_entry_id": "13.0/changes/152", "db_id": "3053e6db53bf87012ea2c5effe42c461", "patch_ids": ["c7030cbc1a42a89a5b7d68956d5207df"], "statement_hash": "6033b5045cfd9cc8316aa9b168f3643b8d9ef970e1b88bdd56d29a41cf5f4976", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-cea87d654fc87bc7", "migration": false}, {"id": "13.0-843df936da02d03d", "cves": [], "html": "

\u5141\u8bb8 postgres_fdw \u4f7f\u7528\u8bc1\u4e66\u8ba4\u8bc1\uff08Craig Ringer\uff09\u00a7

\n

\u4e0d\u540c\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u8bc1\u4e66\u3002

", "text": "\u5141\u8bb8 postgres_fdw \u4f7f\u7528\u8bc1\u4e66\u8ba4\u8bc1\uff08Craig Ringer\uff09\u00a7 \u4e0d\u540c\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u8bc1\u4e66\u3002", "title": "\u5141\u8bb8 postgres_fdw \u4f7f\u7528\u8bc1\u4e66\u8ba4\u8bc1", "commits": ["f5fd995a1"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "cc4fc45a4787970a479564d80749f8893fc09523c3b03ed0c0e8bd04b3f232db", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["f5fd995a1"]], "identity_text": "Allow postgres_fdw to use certificate authentication (Craig Ringer) Different users can use different certificates.", "commit_aliases": ["f5fd995a1"], "source_commits": ["f5fd995a1"], "source_entry_id": "13.0/changes/153", "db_id": "e3157a621bfc4b0e48d8d1968be62a5d", "patch_ids": ["fb541ac14495efce2c844284cdb033bc"], "statement_hash": "2882d2fb2887bd01d52ce7612ecb61c312d203d5b8733db1f9e8edcde7dabc04", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-843df936da02d03d", "migration": false}, {"id": "13.0-b7c34f1acd2466d6", "cves": [], "html": "

\u5141\u8bb8sepgsql\u63a7\u5236\u5bf9 TRUNCATE \u547d\u4ee4\u7684\u8bbf\u95ee\uff08Yuli Khodorkovskiy\uff09\u00a7

", "text": "\u5141\u8bb8sepgsql\u63a7\u5236\u5bf9 TRUNCATE \u547d\u4ee4\u7684\u8bbf\u95ee\uff08Yuli Khodorkovskiy\uff09\u00a7", "title": "\u5141\u8bb8sepgsql\u63a7\u5236\u5bf9 TRUNCATE \u547d\u4ee4\u7684\u8bbf\u95ee", "commits": ["4f66c93f6"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "8cdc4d5e793ec33c2c0184a5f9af7b0630fa50ac2d7c71ce13b85a7294b46654", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["4f66c93f6"]], "identity_text": "Allow sepgsql to control access to the TRUNCATE command (Yuli Khodorkovskiy)", "commit_aliases": ["4f66c93f6"], "source_commits": ["4f66c93f6"], "source_entry_id": "13.0/changes/154", "db_id": "be79f6dcccc0d85d703aa85c3e876126", "patch_ids": ["3429efab0a30f048c637a68b7aebea88"], "statement_hash": "189df84dd7ecfb28118fc575c13a682343792ac2143ac50ee8273d35880e73ad", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-b7c34f1acd2466d6", "migration": false}, {"id": "13.0-5cdad682978c774a", "cves": [], "html": "

\u589e\u52a0\u6269\u5c55bool_plperl\uff0c\u4ee5\u5728 SQL \u5e03\u5c14\u503c\u548c PL/Perl \u5e03\u5c14\u503c\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u8f6c\u6362\uff08Ivan Panchenko\uff09\u00a7

", "text": "\u589e\u52a0\u6269\u5c55bool_plperl\uff0c\u4ee5\u5728 SQL \u5e03\u5c14\u503c\u548c PL/Perl \u5e03\u5c14\u503c\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u8f6c\u6362\uff08Ivan Panchenko\uff09\u00a7", "title": "\u589e\u52a0\u6269\u5c55bool_plperl\uff0c\u4ee5\u5728 SQL \u5e03\u5c14\u503c\u548c PL/Perl \u5e03\u5c14\u503c\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u8f6c\u6362", "commits": ["36058a3c5"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "5d7cfef8f8ee67a8e6325180eba4c6d0cead7c1a497accc70f96c11a80ca24f8", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["36058a3c5"]], "identity_text": "Add extension bool_plperl which transforms SQL booleans to/from PL/Perl booleans (Ivan Panchenko)", "commit_aliases": ["36058a3c5"], "source_commits": ["36058a3c5"], "source_entry_id": "13.0/changes/155", "db_id": "e2a47dde31dcea2d1e8e1f21c50dfb94", "patch_ids": ["8e7fa16296712d228a9d562996648c1b"], "statement_hash": "cc15f6c126ea53e9687f3eac3e78edfdf3754da6f74d3ef398b75e15140dcf57", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-5cdad682978c774a", "migration": false}, {"id": "13.0-ca38fa185a19eba9", "cves": [], "html": "

\u4f7fpg_stat_statements\u5c06 SELECT ... FOR UPDATE \u547d\u4ee4\u4e0e\u4e0d\u5e26 FOR UPDATE \u7684\u547d\u4ee4\u5206\u522b\u5904\u7406\uff08Andrew Gierth\uff0cVik Fearing\uff09\u00a7

", "text": "\u4f7fpg_stat_statements\u5c06 SELECT ... FOR UPDATE \u547d\u4ee4\u4e0e\u4e0d\u5e26 FOR UPDATE \u7684\u547d\u4ee4\u5206\u522b\u5904\u7406\uff08Andrew Gierth\uff0cVik Fearing\uff09\u00a7", "title": "\u4f7fpg_stat_statements\u5c06 SELECT ... FOR UPDATE \u547d\u4ee4\u4e0e\u4e0d\u5e26 FOR UPDATE \u7684\u547d\u4ee4\u5206\u522b\u5904\u7406", "commits": ["6e74c64bc"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "d59a3b9ce1cf5f1fe0b4fa6a7b28901cafa353d6411395beff2b21fbac62761b", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["6e74c64bc"]], "identity_text": "Have pgstatstatements treat SELECT ... FOR UPDATE commands as distinct from those without FOR UPDATE (Andrew Gierth, Vik Fearing)", "commit_aliases": ["6e74c64bc"], "source_commits": ["6e74c64bc"], "source_entry_id": "13.0/changes/156", "db_id": "d9d24bfdbedc70b2b5f2dc3159dfa649", "patch_ids": ["dc282d739c80d59b1f4f1f77486151f2"], "statement_hash": "058ad31dd80ae6595d83c132aa990188b77b9d2a3b378c128706f127ffb12beb", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-ca38fa185a19eba9", "migration": false}, {"id": "13.0-e540c7d179622c6e", "cves": [], "html": "

\u5141\u8bb8 pg_stat_statements \u9009\u62e9\u6027\u5730\u8ddf\u8e2a\u8bed\u53e5\u7684\u89c4\u5212\u65f6\u95f4\uff08Julien Rouhaud\uff0cPascal Legrand\uff0cThomas Munro\uff0cFujii Masao\uff09\u00a7 \u00a7

\n

\u4ee5\u524d\u53ea\u8ddf\u8e2a\u6267\u884c\u65f6\u95f4\u3002

", "text": "\u5141\u8bb8 pg_stat_statements \u9009\u62e9\u6027\u5730\u8ddf\u8e2a\u8bed\u53e5\u7684\u89c4\u5212\u65f6\u95f4\uff08Julien Rouhaud\uff0cPascal Legrand\uff0cThomas Munro\uff0cFujii Masao\uff09\u00a7 \u00a7 \u4ee5\u524d\u53ea\u8ddf\u8e2a\u6267\u884c\u65f6\u95f4\u3002", "title": "\u5141\u8bb8 pg_stat_statements \u9009\u62e9\u6027\u5730\u8ddf\u8e2a\u8bed\u53e5\u7684\u89c4\u5212\u65f6\u95f4", "commits": ["17e032822", "8d459762b"], "section": "\u9644\u52a0\u6a21\u5757", "category": "feature", "source_url": "/docs/release/13.0/#id-1.11.6.29.5.14", "source_hash": "c43392615420cb2e615056351f336ea6c7dc56e7c5e8997893d81c200cf544e9", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [["17e032822"], ["8d459762b"]], "identity_text": "Allow pg_stat_statements to optionally track the planning time of statements (Julien Rouhaud, Pascal Legrand, Thomas Munro, Fujii Masao) Previously only execution time was tracked.", "commit_aliases": ["17e032822", "8d459762b"], "source_commits": ["17e032822", "8d459762b"], "source_entry_id": "13.0/changes/157", "db_id": "5d4c20dbfae566a19499635a43943294", "patch_ids": ["2c5084b85da3e647e08bfdd0949d7ed1", "3ce97064db6107eb46a4cf9416f445a9"], "statement_hash": "798ac47e4ca60267a53260d14a1e9913cd7f7e515021e697ad83c33bd0757327", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=13.0#13.0-e540c7d179622c6e", "migration": false}, {"id": "13.0-e5d101191efbc29b", "cves": [], "html": "

\u5168\u9762\u4fee\u6539ltree\u7684 lquery \u8bed\u6cd5\uff0c\u4f7f\u5176\u5bf9 NOT\uff08!\uff09\u7684\u5904\u7406\u66f4\u7b26\u5408\u903b\u8f91\uff08Filip Rembialkowski\uff0cTom Lane\uff0cNikita Glukhov\uff09\u00a7 \u00a7

\n

\u53e6\u5916\uff0c\u5141\u8bb8\u975e * \u67e5\u8be2\u4f7f\u7528\u6570\u503c\u8303\u56f4\uff08{}\uff09\u6307\u5b9a\u5339\u914d\u6b21\u6570\u3002

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Versions before PostgreSQL 17.3, 16.7, 15.11, 14.16, and 13.19 are affected.", "description_language": "en", "fixed": "13.19", "fixed_url": "/docs/compare/?release=13.19", "affected": "13", "component": "core server", "mentions": [{"build": "13.20", "version": "13.20", "title": "\u6539\u8fdb libpq \u5f15\u7528\u51fd\u6570\u7684\u884c\u4e3a", "url": "/docs/compare/?release=13.20#13.20-27312e34c6df83be"}, {"build": "13.19", "version": "13.19", "title": "\u52a0\u5f3a PQescapeString \u53ca\u76f8\u5173\u51fd\u6570\u5bf9\u65e0\u6548\u7f16\u7801\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u9632\u62a4", "url": "/docs/compare/?release=13.19#13.19-53e824654163768f"}], "evidence": "branch-matrix"}, {"id": "CVE-2024-7348", "title": "PostgreSQL relation replacement during pg_dump executes arbitrary SQL", "url": "https://www.postgresql.org/support/security/CVE-2024-7348/", "score": 8.8, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "description": "Time-of-check Time-of-use (TOCTOU) race condition in pg_dump in PostgreSQL allows an object creator to execute arbitrary SQL functions as the user running pg_dump, which is often a superuser. The attack involves replacing another relation type with a view or foreign table. The attack requires waiting for pg_dump to start, but winning the race condition is trivial if the attacker retains an open transaction. Versions before PostgreSQL 16.4, 15.8, 14.13, 13.16, and 12.20 are affected.\n\nThe PostgreSQL project thanks Noah Misch for reporting this problem.", "description_language": "en", "fixed": "13.16", "fixed_url": "/docs/compare/?release=13.16", "affected": "13", "component": "core server", "mentions": [{"build": "13.16", "version": "13.16", "title": "\u9632\u6b62\u5728 pg_dump \u671f\u95f4\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u4ee3\u7801", "url": "/docs/compare/?release=13.16#13.16-2e433a29b91b07a9"}], "evidence": "branch-matrix"}, {"id": "CVE-2024-10979", "title": "PostgreSQL PL/Perl environment variable changes execute arbitrary code", "url": "https://www.postgresql.org/support/security/CVE-2024-10979/", "score": 8.8, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "description": "Incorrect control of environment variables in PostgreSQL PL/Perl allows an unprivileged database user to change sensitive process environment variables (e.g. PATH ). That often suffices to enable arbitrary code execution, even if the attacker lacks a database server operating system user. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.\n\nThe PostgreSQL project thanks Coby Abrams for reporting this problem.", "description_language": "en", "fixed": "13.17", "fixed_url": "/docs/compare/?release=13.17", "affected": "13", "component": "core server", "mentions": [{"build": "13.17", "version": "13.17", "title": "\u9632\u6b62\u53d7\u4fe1\u4efb\u7684 PL/Perl \u4ee3\u7801\u66f4\u6539\u73af\u5883\u53d8\u91cf", "url": "/docs/compare/?release=13.17#13.17-458fde2a378dd869"}], "evidence": "branch-matrix"}, {"id": "CVE-2024-10978", "title": "PostgreSQL SET ROLE, SET SESSION AUTHORIZATION reset to wrong user ID", "url": "https://www.postgresql.org/support/security/CVE-2024-10978/", "score": 4.2, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "description": "Incorrect privilege assignment in PostgreSQL allows a less-privileged application user to view or change different rows from those intended. An attack requires the application to use SET ROLE , SET SESSION AUTHORIZATION , or an equivalent feature. The problem arises when an application query uses parameters from the attacker or conveys query results to the attacker. If that query reacts to current_setting('role') or the current user ID, it may modify or return data as though the session had not used SET ROLE or SET SESSION AUTHORIZATION . The attacker does not control which incorrect user ID applies. Query text from less-privileged sources is not a concern here, because SET ROLE and SET SESSION AUTHORIZATION are not sandboxes for unvetted queries. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "description_language": "en", "fixed": "13.17", "fixed_url": "/docs/compare/?release=13.17", "affected": "13", "component": "core server", "mentions": [{"build": "13.18", "version": "13.18", "title": "\u6062\u590d ALTER {ROLE|DATABASE} SET role \u7684\u529f\u80fd", "url": "/docs/compare/?release=13.18#13.18-2dcb90b343e7bf55"}, {"build": "13.17", "version": "13.17", "title": "\u4fee\u590d SET SESSION AUTHORIZATION \u4e0e SET ROLE \u4e4b\u95f4\u610f\u5916\u7684\u4ea4\u4e92", "url": "/docs/compare/?release=13.17#13.17-d57adda36139a851"}], "evidence": "branch-matrix"}, {"id": "CVE-2024-10977", "title": "PostgreSQL libpq retains an error message from man-in-the-middle", "url": "https://www.postgresql.org/support/security/CVE-2024-10977/", "score": 3.1, "vector": "AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "description": "Client use of server error message in PostgreSQL allows a server not trusted under current SSL or GSS settings to furnish arbitrary non-NUL bytes to the libpq application. For example, a man-in-the-middle attacker could send a long error message that a human or screen-scraper user of psql mistakes for valid query results. This is probably not a concern for clients where the user interface unambiguously indicates the boundary between one error message and other text. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "description_language": "en", "fixed": "13.17", "fixed_url": "/docs/compare/?release=13.17", "affected": "13", "component": "client", "mentions": [{"build": "13.17", "version": "13.17", "title": "\u4f7f libpq \u4e22\u5f03\u5728 SSL \u6216 GSS \u534f\u8bae\u534f\u5546\u671f\u95f4\u6536\u5230\u7684\u9519\u8bef\u6d88\u606f", "url": "/docs/compare/?release=13.17#13.17-6c940adbb9729591"}], "evidence": "branch-matrix"}, {"id": "CVE-2024-10976", "title": "PostgreSQL row security below e.g. subqueries disregards user ID changes", "url": "https://www.postgresql.org/support/security/CVE-2024-10976/", "score": 4.2, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "description": "Incomplete tracking in PostgreSQL of tables with row security allows a reused query to view or change different rows from those intended. CVE-2023-2455 and CVE-2016-2193 fixed most interaction between row security and user ID changes. They missed cases where a subquery, WITH query, security invoker view, or SQL-language function references a table with a row-level security policy. This has the same consequences as the two earlier CVEs. That is to say, it leads to potentially incorrect policies being applied in cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLEs.\n\nApplying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy. An attacker must tailor an attack to a particular application's pattern of query plan reuse, user ID changes, and role-specific row security policies. Versions before PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 are affected.", "description_language": "en", "fixed": "13.17", "fixed_url": "/docs/compare/?release=13.17", "affected": "13", "component": "core server", "mentions": [{"build": "13.17", "version": "13.17", "title": "\u786e\u4fdd\u5f53 RLS \u5e94\u7528\u4e8e\u975e\u9876\u7ea7\u8868\u5f15\u7528\u65f6\uff0c\u7f13\u5b58\u7684\u6267\u884c\u8ba1\u5212\u88ab\u6807\u8bb0\u4e3a\u4f9d\u8d56\u4e8e\u8c03\u7528\u89d2\u8272", "url": "/docs/compare/?release=13.17#13.17-262bcda4a82de7e4"}], "evidence": "branch-matrix"}, {"id": "CVE-2024-0985", "title": "PostgreSQL non-owner REFRESH MATERIALIZED VIEW CONCURRENTLY executes arbitrary SQL", "url": "https://www.postgresql.org/support/security/CVE-2024-0985/", "score": 8.0, "vector": "AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "description": "UPDATE (June 19, 2024) : Added v16 as impacted. Updated description to clarify the attack vector.\n\nLate privilege drop in REFRESH MATERIALIZED VIEW CONCURRENTLY in PostgreSQL allows an object creator to execute arbitrary SQL functions as the command issuer. The command intends to run SQL functions as the owner of the materialized view, enabling safe refresh of untrusted materialized views. The victim is a superuser or member of one of the attacker's roles. The attack requires luring the victim into running REFRESH MATERIALIZED VIEW CONCURRENTLY on the attacker's materialized view.", "description_language": "en", "fixed": "13.14", "fixed_url": "/docs/compare/?release=13.14", "affected": "13", "component": "core server", "mentions": [{"build": "13.14", "version": "13.14", "title": "\u52a0\u5f3a REFRESH MATERIALIZED VIEW CONCURRENTLY \u4e2d\u7684\u5b89\u5168\u9650\u5236", "url": "/docs/compare/?release=13.14#13.14-06344fff7d0f1e00"}], "evidence": "branch-matrix"}, {"id": "CVE-2023-5870", "title": "Role \"pg_signal_backend\" can signal certain superuser processes", "url": "https://www.postgresql.org/support/security/CVE-2023-5870/", "score": 2.2, "vector": "AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "description": "Documentation says the pg_signal_backend role cannot signal \"a backend owned by a superuser\". On the contrary, it can signal background workers, including the logical replication launcher. It can signal autovacuum workers and the autovacuum launcher. Signaling autovacuum workers and those two launchers provides no meaningful exploit, so exploiting this vulnerability requires a non-core extension with a less-resilient background worker. For example, a non-core background worker that does not auto-restart would experience a denial of service with respect to that particular background worker.\n\nThe PostgreSQL project thanks Hemanth Sandrana and Mahendrakar Srinivasarao for reporting this problem.", "description_language": "en", "fixed": "13.13", "fixed_url": "/docs/compare/?release=13.13", "affected": "13", "component": "core server", "mentions": [{"build": "13.13", "version": "13.13", "title": "\u9632\u6b62 pg_signal_backend \u89d2\u8272\u5411\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b\u548c\u81ea\u52a8\u6e05\u7406\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7", "url": "/docs/compare/?release=13.13#13.13-2024116eff31fd4f"}], "evidence": "branch-matrix"}, {"id": "CVE-2023-5869", "title": "Buffer overrun from integer overflow in array modification", "url": "https://www.postgresql.org/support/security/CVE-2023-5869/", "score": 8.8, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "description": "While modifying certain SQL array values, missing overflow checks let authenticated database users write arbitrary bytes to a memory area that facilitates arbitrary code execution. Missing overflow checks also let authenticated database users read a wide area of server memory. The CVE-2021-32027 fix covered some attacks of this description, but it missed others.\n\nThe PostgreSQL project thanks Pedro Gallegos for reporting this problem.", "description_language": "en", "fixed": "13.13", "fixed_url": "/docs/compare/?release=13.13", "affected": "13", "component": "core server", "mentions": [{"build": "13.16", "version": "13.16", "title": "\u68c0\u6d4b\u8ba1\u7b97\u65b0\u6570\u7ec4\u7ef4\u5ea6\u65f6\u7684\u53e6\u4e00\u4e2a\u6574\u6570\u6ea2\u51fa\u60c5\u51b5", "url": "/docs/compare/?release=13.16#13.16-27841b5006f6d0ca"}, {"build": "13.13", "version": "13.13", "title": "\u68c0\u6d4b\u8ba1\u7b97\u65b0\u6570\u7ec4\u7ef4\u5ea6\u65f6\u7684\u6574\u6570\u6ea2\u51fa", "url": "/docs/compare/?release=13.13#13.13-b3cd77d12b62df2b"}], "evidence": "branch-matrix"}, {"id": "CVE-2023-5868", "title": "Memory disclosure in aggregate function calls", "url": "https://www.postgresql.org/support/security/CVE-2023-5868/", "score": 4.3, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "description": "Certain aggregate function calls receiving \"unknown\"-type arguments could disclose bytes of server memory from the end of the \"unknown\"-type value to the next zero byte. One typically gets an \"unknown\"-type value via a string literal having no type designation. We have not confirmed or ruled out viability of attacks that arrange for presence of notable, confidential information in disclosed bytes.\n\nThe PostgreSQL project thanks Jingzhou Fu for reporting this problem.", "description_language": "en", "fixed": "13.13", "fixed_url": "/docs/compare/?release=13.13", "affected": "13", "component": "core server", "mentions": [{"build": "13.13", "version": "13.13", "title": "\u4fee\u590d DISTINCT \"any\" \u805a\u5408\u51fd\u6570\u4e2d\u5bf9\u672a\u77e5\u7c7b\u578b\u53c2\u6570\u7684\u5904\u7406", "url": "/docs/compare/?release=13.13#13.13-cb74a975d65eb2b7"}], "evidence": "branch-matrix"}, {"id": "CVE-2023-39417", "title": "Extension script @substitutions@ within quoting allow SQL injection", "url": "https://www.postgresql.org/support/security/CVE-2023-39417/", "score": 7.5, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "description": "An extension script is vulnerable if it uses @extowner@ , @extschema@ , or @extschema:...@ inside a quoting construct (dollar quoting, '' , or \"\" ). No bundled extension is vulnerable. Vulnerable uses do appear in a documentation example and in non-bundled extensions. Hence, the attack prerequisite is an administrator having installed files of a vulnerable, trusted, non-bundled extension. Subject to that prerequisite, this enables an attacker having database-level CREATE privilege to execute arbitrary code as the bootstrap superuser. PostgreSQL will block this attack in the core server, so there's no need to modify individual extensions.\n\nThe PostgreSQL project thanks Micah Gates, Valerie Woolard, Tim Carey-Smith, and Christoph Berg for reporting this problem.", "description_language": "en", "fixed": "13.12", "fixed_url": "/docs/compare/?release=13.12", "affected": "13", "component": "core server", "mentions": [{"build": "13.12", "version": "13.12", "title": "\u5982\u679c\u6a21\u5f0f\u6216\u6240\u6709\u8005\u540d\u79f0\u5305\u542b\u5f15\u53f7\u3001\u53cd\u659c\u6760\u6216\u7f8e\u5143\u7b26\u53f7\uff0c\u5219\u4e0d\u5141\u8bb8\u5c06\u5176\u66ff\u6362\u5230\u6269\u5c55\u811a\u672c\u4e2d", "url": "/docs/compare/?release=13.12#13.12-7e7794e398a17981"}], "evidence": "branch-matrix"}, {"id": "CVE-2023-2455", "title": "Row security policies disregard user ID changes after inlining", "url": "https://www.postgresql.org/support/security/CVE-2023-2455/", "score": 4.2, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "description": "While CVE-2016-2193 fixed most interaction between row security and user ID changes, it missed a scenario involving function inlining. This leads to potentially incorrect policies being applied in cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLE s. Applying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy.\n\nThe PostgreSQL project thanks Wolfgang Walther for reporting this problem.", "description_language": "en", "fixed": "13.11", "fixed_url": "/docs/compare/?release=13.11", "affected": "13", "component": "core server", "mentions": [{"build": "13.11", "version": "13.11", "title": "\u5728\u5185\u8054\u96c6\u5408\u8fd4\u56de\u51fd\u6570\u540e\u6b63\u786e\u6267\u884c\u884c\u7ea7\u5b89\u5168\u7b56\u7565", "url": "/docs/compare/?release=13.11#13.11-dceb56ebe5dfd791"}], "evidence": "branch-matrix"}, {"id": "CVE-2023-2454", "title": "CREATE SCHEMA ... schema_element defeats protective search_path changes", "url": "https://www.postgresql.org/support/security/CVE-2023-2454/", "score": 7.2, "vector": "AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "description": "This enabled an attacker having database-level CREATE privilege to execute arbitrary code as the bootstrap superuser. Database owners have that right by default, and explicit grants may extend it to other users.\n\nThe PostgreSQL project thanks Alexander Lakhin for reporting this problem.", "description_language": "en", "fixed": "13.11", "fixed_url": "/docs/compare/?release=13.11", "affected": "13", "component": "core server", "mentions": [{"build": "13.11", "version": "13.11", "title": "\u9632\u6b62 CREATE SCHEMA \u7ed5\u8fc7 search_path \u7684\u66f4\u6539", "url": "/docs/compare/?release=13.11#13.11-960180571a622bb8"}], "evidence": "branch-matrix"}, {"id": "CVE-2022-41862", "title": "Client memory disclosure when connecting, with Kerberos, to modified server", "url": "https://www.postgresql.org/support/security/CVE-2022-41862/", "score": 3.7, "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "description": "A modified, unauthenticated server can send an unterminated string during the establishment of Kerberos transport encryption. When a libpq client application has a Kerberos credential cache and doesn't explicitly disable option gssencmode , a server can cause libpq to over-read and report an error message containing uninitialized bytes from and following its receive buffer. If libpq's caller somehow makes that message accessible to the attacker, this achieves a disclosure of the over-read bytes. We have not confirmed or ruled out viability of attacks that arrange for a crash or for presence of notable, confidential information in disclosed bytes.\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "description_language": "en", "fixed": "13.10", "fixed_url": "/docs/compare/?release=13.10", "affected": "13", "component": "client", "mentions": [{"build": "13.10", "version": "13.10", "title": "libpq \u5728 GSSAPI \u4f20\u8f93\u52a0\u5bc6\u521d\u59cb\u5316\u5931\u8d25\u540e\u53ef\u80fd\u6cc4\u6f0f\u5185\u5b58\u5185\u5bb9", "url": "/docs/compare/?release=13.10#13.10-23596c45357945bb"}], "evidence": "branch-matrix"}, {"id": "CVE-2022-2625", "title": "Extension scripts replace objects not belonging to the extension", "url": "https://www.postgresql.org/support/security/CVE-2022-2625/", "score": 7.1, "vector": "AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "description": "Some extensions use CREATE OR REPLACE or CREATE IF NOT EXISTS commands. Some don't adhere to the documented rule to target only objects known to be extension members already. An attack requires permission to create non-temporary objects in at least one schema, ability to lure or wait for an administrator to create or update an affected extension in that schema, and ability to lure or wait for a victim to use the object targeted in CREATE OR REPLACE or CREATE IF NOT EXISTS . Given all three prerequisites, the attacker can run arbitrary code as the victim role, which may be a superuser. Known-affected extensions include both PostgreSQL-bundled and non-bundled extensions. PostgreSQL is blocking this attack in the core server, so there's no need to modify individual extensions.\n\nThe PostgreSQL project thanks Sven Klemm for reporting this problem.", "description_language": "en", "fixed": "13.8", "fixed_url": "/docs/compare/?release=13.8", "affected": "13", "component": "core server", "mentions": [{"build": "13.8", "version": "13.8", "title": "\u4e0d\u5141\u8bb8\u6269\u5c55\u811a\u672c\u66ff\u6362\u4e0d\u5c5e\u4e8e\u8be5\u6269\u5c55\u7684\u5df2\u6709\u5bf9\u8c61", "url": "/docs/compare/?release=13.8#13.8-d7fa2ab8d0b929c9"}], "evidence": "branch-matrix"}, {"id": "CVE-2022-1552", "title": "Autovacuum, REINDEX, and others omit \"security restricted operation\" sandbox", "url": "https://www.postgresql.org/support/security/CVE-2022-1552/", "score": 8.8, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "description": "Autovacuum, REINDEX , CREATE INDEX , REFRESH MATERIALIZED VIEW , CLUSTER , and pg_amcheck made incomplete efforts to operate safely when a privileged user is maintaining another user's objects. Those commands activated relevant protections too late or not at all. An attacker having permission to create non-temp objects in at least one schema could execute arbitrary SQL functions under a superuser identity.\n\nWhile promptly updating PostgreSQL is the best remediation for most users, a user unable to do that can work around the vulnerability by disabling autovacuum, not manually running the above commands, and not restoring from output of the pg_dump command. Performance may degrade quickly under this workaround. VACUUM is safe, and all commands are fine when a trusted user owns the target object.\n\nThe PostgreSQL project thanks Alexander Lakhin for reporting this problem.", "description_language": "en", "fixed": "13.7", "fixed_url": "/docs/compare/?release=13.7", "affected": "13", "component": "core server", "mentions": [{"build": "13.8", "version": "13.8", "title": "\u4fee\u590d CREATE INDEX \u4e2d\u7684\u6743\u9650\u68c0\u67e5", "url": "/docs/compare/?release=13.8#13.8-47bf1f9c7f7a3b12"}, {"build": "13.7", "version": "13.7", "title": "\u5c06\u66f4\u591a\u64cd\u4f5c\u9650\u5236\u5728\u201c\u5b89\u5168\u53d7\u9650\u64cd\u4f5c\u201d\u6c99\u7bb1\u5185", "url": "/docs/compare/?release=13.7#13.7-7c751a4817cbcd26"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-3677", "title": "Memory disclosure in certain queries", "url": "https://www.postgresql.org/support/security/CVE-2021-3677/", "score": 6.5, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "description": "A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0 , the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting.", "description_language": "en", "fixed": "13.4", "fixed_url": "/docs/compare/?release=13.4", "affected": "13", "component": "core server", "mentions": [{"build": "13.4", "version": "13.4", "title": "\u4fee\u590d\u91cd\u590d\u5e94\u7528\u6295\u5f71\u6b65\u9aa4\u65f6\u4ea7\u751f\u9519\u8bef\u8ba1\u5212\u7684\u95ee\u9898", "url": "/docs/compare/?release=13.4#13.4-ae65d01fc545f778"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-3449", "title": "CVE-2021-3449", "url": "https://www.postgresql.org/support/security/CVE-2021-3449/", "score": null, "vector": "", "description": "", "description_language": "en", "fixed": "", "fixed_url": "", "affected": "", "component": "", "mentions": [{"build": "13.4", "version": "13.4", "title": "\u66f4\u5f7b\u5e95\u5730\u7981\u6b62 SSL \u91cd\u65b0\u534f\u5546", "url": "/docs/compare/?release=13.4#13.4-a0b88642ddb5cf86"}], "evidence": "release-note-mention"}, {"id": "CVE-2021-3393", "title": "Partition constraint violation errors leak values of denied columns", "url": "https://www.postgresql.org/support/security/CVE-2021-3393/", "score": 3.1, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "description": "A user having an UPDATE privilege on a partitioned table but lacking the SELECT privilege on some column may be able to acquire denied-column values from an error message. This is similar to CVE-2014-8161 , but the conditions to exploit are more rare.\n\nThe PostgreSQL project thanks Heikki Linnakangas for reporting this problem.", "description_language": "en", "fixed": "13.2", "fixed_url": "/docs/compare/?release=13.2", "affected": "13", "component": "core server", "mentions": [{"build": "13.2", "version": "13.2", "title": "\u4fee\u590d\u8fdd\u53cd\u7ea6\u675f\u7684\u9519\u8bef\u6d88\u606f\u4e2d\u7684\u4fe1\u606f\u6cc4\u6f0f", "url": "/docs/compare/?release=13.2#13.2-360109c41051c8db"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-32029", "title": "Memory disclosure in partitioned-table UPDATE ... RETURNING", "url": "https://www.postgresql.org/support/security/CVE-2021-32029/", "score": 6.5, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "description": "Using an UPDATE ... RETURNING on a purpose-crafted partitioned table, an attacker can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will. A user lacking the CREATE and TEMPORARY privileges on all databases and the CREATE privilege on all schemas typically cannot use this attack at will.\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "description_language": "en", "fixed": "13.3", "fixed_url": "/docs/compare/?release=13.3", "affected": "13", "component": "core server", "mentions": [{"build": "13.3", "version": "13.3", "title": "\u4fee\u590d\u6d89\u53ca\u8fde\u63a5\u7684\u8de8\u5206\u533a\u66f4\u65b0\u4e2d UPDATE ... RETURNING \u8f93\u51fa\u53ef\u80fd\u8ba1\u7b97\u4e0d\u6b63\u786e\u7684\u95ee\u9898", "url": "/docs/compare/?release=13.3#13.3-461a1b783bb96232"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-32028", "title": "Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE", "url": "https://www.postgresql.org/support/security/CVE-2021-32028/", "score": 6.5, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "description": "Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an attacker can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will. A user lacking the CREATE and TEMPORARY privileges on all databases and the CREATE privilege on all schemas cannot use this attack at will.\n\nThe PostgreSQL project thanks Andres Freund for reporting this problem.", "description_language": "en", "fixed": "13.3", "fixed_url": "/docs/compare/?release=13.3", "affected": "13", "component": "core server", "mentions": [{"build": "13.3", "version": "13.3", "title": "\u4fee\u590d INSERT ... ON CONFLICT ... UPDATE \u76ee\u6807\u5217\u8868\u4e2d\u5bf9 \u201cjunk\u201d \u5217\u7684\u9519\u8bef\u5904\u7406", "url": "/docs/compare/?release=13.3#13.3-0f677eeae1faab2b"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-32027", "title": "Buffer overrun from integer overflow in array subscripting calculations", "url": "https://www.postgresql.org/support/security/CVE-2021-32027/", "score": 6.5, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "description": "While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory.\n\nThe PostgreSQL project thanks Tom Lane for reporting this problem.", "description_language": "en", "fixed": "13.3", "fixed_url": "/docs/compare/?release=13.3", "affected": "13", "component": "core server", "mentions": [{"build": "13.3", "version": "13.3", "title": "\u9632\u6b62\u6570\u7ec4\u4e0b\u6807\u8ba1\u7b97\u4e2d\u7684\u6574\u6570\u6ea2\u51fa", "url": "/docs/compare/?release=13.3#13.3-662fbe650093c58f"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-23222", "title": "libpq processes unencrypted bytes from man-in-the-middle", "url": "https://www.postgresql.org/support/security/CVE-2021-23222/", "score": 3.7, "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "description": "A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.\n\nIf more preconditions hold, the attacker can exfiltrate the client's password or other confidential data that might be transmitted early in a session. The attacker must have a way to trick the client's intended server into making the confidential data accessible to the attacker. A known implementation having that property is a PostgreSQL configuration vulnerable to CVE-2021-23214 . As with any exploitation of CVE-2021-23214 , the server must be using trust authentication with a clientcert requirement or using cert authentication. To disclose a password, the client must be in possession of a password, which is atypical when using an authentication configuration vulnerable to CVE-2021-23214 . The attacker must have some other way to access the server to retrieve the exfiltrated data (a valid, unprivileged login account would be sufficient).\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "description_language": "en", "fixed": "13.5", "fixed_url": "/docs/compare/?release=13.5", "affected": "13", "component": "client", "mentions": [{"build": "13.5", "version": "13.5", "title": "\u4f7f libpq \u5728 SSL \u6216 GSS \u52a0\u5bc6\u63e1\u624b\u540e\u62d2\u7edd\u591a\u4f59\u7684\u6570\u636e", "url": "/docs/compare/?release=13.5#13.5-32b7064eba088818"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-23214", "title": "Server processes unencrypted bytes from man-in-the-middle", "url": "https://www.postgresql.org/support/security/CVE-2021-23214/", "score": 8.1, "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "description": "When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption. This is similar to CVE-2011-0411 (different product).\n\nThe PostgreSQL project thanks Jacob Champion for reporting this problem.", "description_language": "en", "fixed": "13.5", "fixed_url": "/docs/compare/?release=13.5", "affected": "13", "component": "core server", "mentions": [{"build": "13.5", "version": "13.5", "title": "\u4f7f\u670d\u52a1\u5668\u5728 SSL \u6216 GSS \u52a0\u5bc6\u63e1\u624b\u540e\u62d2\u7edd\u591a\u4f59\u7684\u6570\u636e", "url": "/docs/compare/?release=13.5#13.5-39a07d46c9c5e38f"}, {"build": "13.5", "version": "13.5", "title": "\u4f7f libpq \u5728 SSL \u6216 GSS \u52a0\u5bc6\u63e1\u624b\u540e\u62d2\u7edd\u591a\u4f59\u7684\u6570\u636e", "url": "/docs/compare/?release=13.5#13.5-32b7064eba088818"}], "evidence": "branch-matrix"}, {"id": "CVE-2021-20229", "title": "Single-column SELECT privilege enables reading all columns", "url": "https://www.postgresql.org/support/security/CVE-2021-20229/", "score": 3.1, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "description": "A user having a SELECT privilege on an individual column can craft a special query that returns all columns of the table.\n\nAdditionally, a stored view that uses column-level privileges will have incomplete column-usage bitmaps. In installations that depend on column-level permissions for security, it is recommended to execute CREATE OR REPLACE on all user-defined views to force them to be re-parsed.\n\nThe PostgreSQL project thanks Sven Klemm for reporting this problem.", "description_language": "en", "fixed": "13.2", "fixed_url": "/docs/compare/?release=13.2", "affected": "13", "component": "core server", "mentions": [{"build": "13.2", "version": "13.2", "title": "\u4fee\u590d\u67d0\u4e9b\u8fde\u63a5\u67e5\u8be2\u4e2d\u672a\u68c0\u67e5\u9010\u5217 SELECT \u6743\u9650\u7684\u95ee\u9898", "url": "/docs/compare/?release=13.2#13.2-d5a989a0616fcbe6"}], "evidence": "branch-matrix"}, {"id": "CVE-2020-25696", "title": "psql's \\gset allows overwriting specially treated variables", "url": "https://www.postgresql.org/support/security/CVE-2020-25696/", "score": 7.5, "vector": "AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "description": "The \\gset meta-command, which sets psql variables based on query results, does not distinguish variables that control psql behavior. If an interactive psql session uses \\gset when querying a compromised server, the attacker can execute arbitrary code as the operating system account running psql . Using \\gset with a prefix not found among specially treated variables, e.g. any lowercase string, precludes the attack in an unpatched psql .\n\nThe PostgreSQL project thanks Nick Cleaton for reporting this problem.", "description_language": "en", "fixed": "13.1", "fixed_url": "/docs/compare/?release=13.1", "affected": "13", "component": "client", "mentions": [{"build": "13.1", "version": "13.1", "title": "\u9632\u6b62 psql \u7684 \\gset \u547d\u4ee4\u4fee\u6539\u5177\u6709\u7279\u6b8a\u5904\u7406\u65b9\u5f0f\u7684\u53d8\u91cf", "url": "/docs/compare/?release=13.1#13.1-9070105c8a130c54"}], "evidence": "branch-matrix"}, {"id": "CVE-2020-25695", "title": "Multiple features escape \"security restricted operation\" sandbox", "url": "https://www.postgresql.org/support/security/CVE-2020-25695/", "score": 8.8, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "description": "An attacker having permission to create non-temporary objects in at least one schema can execute arbitrary SQL functions under the identity of a superuser.\n\nWhile promptly updating PostgreSQL is the best remediation for most users, a user unable to do that can work around the vulnerability by disabling autovacuum and not manually running ANALYZE , CLUSTER , REINDEX , CREATE INDEX , VACUUM FULL , REFRESH MATERIALIZED VIEW , or a restore from output of the pg_dump command. Performance may degrade quickly under this workaround.\n\nVACUUM without the FULL option is safe, and all commands are fine when a trusted user owns the target object.\n\nThe PostgreSQL project thanks Etienne Stalmans for reporting this problem.", "description_language": "en", "fixed": "13.1", "fixed_url": "/docs/compare/?release=13.1", "affected": "13", "component": "core server", "mentions": [{"build": "13.1", "version": "13.1", "title": "\u7981\u6b62\u5728\u7d22\u5f15\u8868\u8fbe\u5f0f\u548c\u7269\u5316\u89c6\u56fe\u67e5\u8be2\u4e2d\u6267\u884c DECLARE CURSOR ... WITH HOLD \u4ee5\u53ca\u89e6\u53d1\u5ef6\u8fdf\u89e6\u53d1\u5668", "url": "/docs/compare/?release=13.1#13.1-72b4bd56189200a8"}], "evidence": "branch-matrix"}, {"id": "CVE-2020-25694", "title": "Reconnection can downgrade connection security settings", "url": "https://www.postgresql.org/support/security/CVE-2020-25694/", "score": 8.1, "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "description": "Many PostgreSQL-provided client applications have options that create additional database connections. Some of those applications reuse only the basic connection parameters (e.g. host , user , port ), dropping others. If this drops a security-relevant parameter (e.g. channel_binding , sslmode , requirepeer , gssencmode ), the attacker has an opportunity to complete a MITM attack or observe cleartext transmission.\n\nAffected applications are clusterdb , pg_dump , pg_restore , psql , reindexdb , and vacuumdb . The vulnerability arises only if one invokes an affected client application with a connection string containing a security-relevant parameter.\n\nThis also fixes how the \\connect command of psql reuses connection parameters, i.e. all non-overridden parameters from a previous connection string now re-used.\n\nThe PostgreSQL project thanks Peter Eisentraut for reporting this problem.", "description_language": "en", "fixed": "13.1", "fixed_url": "/docs/compare/?release=13.1", "affected": "13", "component": "client", "mentions": [{"build": "13.1", "version": "13.1", "title": "\u4fee\u590d pg_dump\u3001pg_restore\u3001clusterdb\u3001reindexdb \u548c vacuumdb \u5bf9\u590d\u6742\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u7684\u4f7f\u7528", "url": "/docs/compare/?release=13.1#13.1-1006a71ccc1ec016"}, {"build": "13.1", "version": "13.1", "title": "\u5f53 psql \u7684 \\connect 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a pg_dump file.", "url": "https://www.postgresql.org/support/security/CVE-2012-0868/", "score": null, "vector": "", "description": "", "description_language": "en", "fixed": "", "fixed_url": "", "affected": "", "component": "", "mentions": [{"build": "13.22", "version": "13.22", "title": "\u5728 pg_dump \u8f93\u51fa\u7684\u6ce8\u91ca\u4e2d\uff0c\u5c06\u540d\u79f0\u4e2d\u5305\u542b\u7684\u6362\u884c\u7b26\u8f6c\u6362\u4e3a\u7a7a\u683c", "url": "/docs/compare/?release=13.22#13.22-a726243ec1d439af"}], "evidence": "release-note-mention"}, {"id": "CVE-2006-2313", "title": "An attacker able to submit crafted strings to an application that will embed those strings in SQL commands can use invalidly-encoded multibyte characters to bypass standard string-escaping methods, resulting in possible SQL injection.", "url": "https://www.postgresql.org/support/security/CVE-2006-2313/", "score": null, "vector": "", "description": "", "description_language": "en", "fixed": "", "fixed_url": "", "affected": 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