{"format": 1, "version": {"branch": "19", "url": "/wiki/versions/19/", "state": "beta", "state_label": "\u9884\u89c8\u7248", "tag": "beta 4", "build": "19beta4", "first_release": "", "end_of_life": "", "latest_release_date": "", "manual_url": "/docs/19/index.html", "manual_slug": "19", "manual_pages": 1160, "manual_loaded_at": "2026-09-27T00:10:45.258078", "source_revision": "", "release_count": 1, "entry_count": 198, "initial": {"version": "19.0", "build": "19beta4", "status": "preview", "date": "", "source_as_of": "2026-09-14", "url": "/docs/compare/?release=19.0", "manual_url": "/docs/19/release-19.html", "source_url": "/docs/release/19.0/", "entry_count": 198, "categories": {"compatibility": 17, "feature": 161, "performance": 20}, "compatibility_count": 17, "cves": [], "cve_count": 0}, "latest": {"version": "19.0", "build": "19beta4", "status": "preview", "date": "", "source_as_of": "2026-09-14", "url": "/docs/compare/?release=19.0", "manual_url": "/docs/19/release-19.html", "source_url": "/docs/release/19.0/", "entry_count": 198, "categories": {"compatibility": 17, "feature": 161, "performance": 20}, "compatibility_count": 17, "cves": [], "cve_count": 0}, "comparison_url": ""}, "releases": [{"version": "19.0", "build": "19beta4", "status": "preview", "date": "", "source_as_of": "2026-09-14", "url": "/docs/compare/?release=19.0", "manual_url": "/docs/19/release-19.html", "source_url": "/docs/release/19.0/", "entry_count": 198, "categories": {"compatibility": 17, "feature": 161, "performance": 20}, "compatibility_count": 17, "cves": [], "cve_count": 0}], "initial_entries": [{"id": "19.0-c33e9c850ed0c4c0", "cves": [], "html": "

\u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf password_expiration_warning_threshold\uff0c\u7528\u4e8e\u63d0\u793a\u5bc6\u7801\u5373\u5c06\u8fc7\u671f\uff08Gilles Darold\uff0cNathan Bossart\uff09\u00a7

\n

\u9ed8\u8ba4\u8b66\u544a\u671f\u4e3a\u4e03\u5929\u3002

", "text": "\u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf password_expiration_warning_threshold\uff0c\u7528\u4e8e\u63d0\u793a\u5bc6\u7801\u5373\u5c06\u8fc7\u671f\uff08Gilles Darold\uff0cNathan Bossart\uff09\u00a7 \u9ed8\u8ba4\u8b66\u544a\u671f\u4e3a\u4e03\u5929\u3002", "title": "\u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf password_expiration_warning_threshold\uff0c\u7528\u4e8e\u63d0\u793a\u5bc6\u7801\u5373\u5c06\u8fc7\u671f", "commits": ["1d92e0c2c"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "7c339ee9b358a11a561d28ca346ffcac404600694f6da2b380ae9bb7cd6af403", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["1d92e0c2c"]], "identity_text": "Add server variable password_expiration_warning_threshold to warn about password expiration (Gilles Darold, Nathan Bossart) The default warning period is seven days.", "commit_aliases": ["1d92e0c2c"], "source_commits": ["1d92e0c2c"], "source_entry_id": "19.0/migration/001", "db_id": "0ee1d9c8286e1e1c3bca823c4ad8e489", "patch_ids": ["095ffa220dd9def37aacae10519edc44"], "statement_hash": "ed4b6567c72fb14f34d3ff078e46845e06ac97abc4729230f6ded8d82025c9a1", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-c33e9c850ed0c4c0", "migration": true}, {"id": "19.0-4ae2c09be676b418", "cves": [], "html": "

\u5728\u6210\u529f\u5b8c\u6210 MD5 \u5bc6\u7801\u8ba4\u8bc1\u540e\u53d1\u51fa\u8b66\u544a\uff08Nathan Bossart\uff09\u00a7

\n

\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u5668\u53d8\u91cf md5_password_warnings \u7981\u7528\u8be5\u8b66\u544a\u3002MD5 \u5bc6\u7801\u5df2\u5728 PostgreSQL 18 \u4e2d\u88ab\u6807\u8bb0\u4e3a\u5f03\u7528\u3002

", "text": "\u5728\u6210\u529f\u5b8c\u6210 MD5 \u5bc6\u7801\u8ba4\u8bc1\u540e\u53d1\u51fa\u8b66\u544a\uff08Nathan Bossart\uff09\u00a7 \u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u5668\u53d8\u91cf md5_password_warnings \u7981\u7528\u8be5\u8b66\u544a\u3002MD5 \u5bc6\u7801\u5df2\u5728 PostgreSQL 18 \u4e2d\u88ab\u6807\u8bb0\u4e3a\u5f03\u7528\u3002", "title": "\u5728\u6210\u529f\u5b8c\u6210 MD5 \u5bc6\u7801\u8ba4\u8bc1\u540e\u53d1\u51fa\u8b66\u544a", "commits": ["bc60ee860"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "60ee25c9ca51965424a96f772be18ed1f7e232d038ccecdab33d99841f5ca2ac", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["bc60ee860"]], "identity_text": "Issue a warning after successful MD5 password authentication (Nathan Bossart) The warning can be disabled via server variable md5_password_warnings. MD5 passwords were marked as deprecated in PostgreSQL 18.", "commit_aliases": ["bc60ee860"], "source_commits": ["bc60ee860"], "source_entry_id": "19.0/migration/002", "db_id": "0df2f58e5c4562435db359e9744c01ef", "patch_ids": ["267b13bdefd84f24147ca4222f8da5df"], "statement_hash": "1c58a524004805cb3f88bc6eb135171feb7d551a6e610c6e4172bcb2cdd09ffd", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-4ae2c09be676b418", "migration": true}, {"id": "19.0-22c41cab584065b7", "cves": [], "html": "

\u79fb\u9664 RADIUS \u652f\u6301\uff08Thomas Munro\uff09\u00a7

\n

PostgreSQL \u53ea\u652f\u6301\u901a\u8fc7 UDP \u7684 RADIUS\uff0c\u800c\u8fd9\u5b58\u5728\u65e0\u6cd5\u4fee\u590d\u7684\u5b89\u5168\u95ee\u9898\u3002

", "text": "\u79fb\u9664 RADIUS \u652f\u6301\uff08Thomas Munro\uff09\u00a7 PostgreSQL \u53ea\u652f\u6301\u901a\u8fc7 UDP \u7684 RADIUS\uff0c\u800c\u8fd9\u5b58\u5728\u65e0\u6cd5\u4fee\u590d\u7684\u5b89\u5168\u95ee\u9898\u3002", "title": "\u79fb\u9664 RADIUS \u652f\u6301", "commits": ["a1643d40b"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "b6868a5d55a4fbb9bf73a4ae19630c1778ac28754527bdd8b67b584d64f02e99", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["a1643d40b"]], "identity_text": "Remove RADIUS support (Thomas Munro) PostgreSQL only supported RADIUS over UDP, which is unfixably insecure.", "commit_aliases": ["a1643d40b"], "source_commits": ["a1643d40b"], "source_entry_id": "19.0/migration/003", "db_id": "46f63ce5de5d054a9ff5ef111cb12f89", "patch_ids": ["fa7631c26a75fe98210f67a23a547046"], "statement_hash": "bb5a1ec62f0b8029c0c2d01824ad69a33b4621e98c08fea042bb2990d855978d", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-22c41cab584065b7", "migration": true}, {"id": "19.0-2c213911526432f1", "cves": [], "html": "

\u5f3a\u5236\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d\u7684 standard_conforming_strings \u59cb\u7ec8\u4e3a on\uff08Tom Lane\uff09\u00a7

\n

\u4f7f\u7528 PostgreSQL 19 \u4e4b\u524d\u7248\u672c\u7684pg_dump\u6216pg_dumpall\u521b\u5efa\u3001\u4e14\u4f7f\u7528\u4e86 standard_conforming_strings = off \u7684\u8f6c\u50a8\uff0c\u5c06\u65e0\u6cd5\u6b63\u786e\u8f7d\u5165 PostgreSQL 19 \u53ca\u66f4\u9ad8\u7248\u672c\u7684\u670d\u52a1\u5668\u3002\u7528\u6237\u5e94\u4f7f\u7528\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u7684 PostgreSQL 19 \u6216\u66f4\u9ad8\u7248\u672c\u521b\u5efa\u8f6c\u50a8\uff0c\u6216\u8005\u4f7f\u7528 standard_conforming_strings = on\u3002

\n

\u4e3a\u4e86\u517c\u5bb9\u65e7\u670d\u52a1\u5668\uff0c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4ecd\u7136\u652f\u6301\u5728 standard_conforming_strings = off \u7684\u670d\u52a1\u5668\u4e0a\u6267\u884c\u64cd\u4f5c\u3002\u670d\u52a1\u5668\u53d8\u91cf escape_string_warning \u5df2\u88ab\u79fb\u9664\uff0c\u56e0\u4e3a\u5df2\u65e0\u5fc5\u8981\u3002

", "text": "\u5f3a\u5236\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d\u7684 standard_conforming_strings \u59cb\u7ec8\u4e3a on\uff08Tom Lane\uff09\u00a7 \u4f7f\u7528 PostgreSQL 19 \u4e4b\u524d\u7248\u672c\u7684pg_dump\u6216pg_dumpall\u521b\u5efa\u3001\u4e14\u4f7f\u7528\u4e86 standard_conforming_strings = off \u7684\u8f6c\u50a8\uff0c\u5c06\u65e0\u6cd5\u6b63\u786e\u8f7d\u5165 PostgreSQL 19 \u53ca\u66f4\u9ad8\u7248\u672c\u7684\u670d\u52a1\u5668\u3002\u7528\u6237\u5e94\u4f7f\u7528\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u7684 PostgreSQL 19 \u6216\u66f4\u9ad8\u7248\u672c\u521b\u5efa\u8f6c\u50a8\uff0c\u6216\u8005\u4f7f\u7528 standard_conforming_strings = on\u3002 \u4e3a\u4e86\u517c\u5bb9\u65e7\u670d\u52a1\u5668\uff0c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4ecd\u7136\u652f\u6301\u5728 standard_conforming_strings = off \u7684\u670d\u52a1\u5668\u4e0a\u6267\u884c\u64cd\u4f5c\u3002\u670d\u52a1\u5668\u53d8\u91cf escape_string_warning \u5df2\u88ab\u79fb\u9664\uff0c\u56e0\u4e3a\u5df2\u65e0\u5fc5\u8981\u3002", "title": "\u5f3a\u5236\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d\u7684 standard_conforming_strings \u59cb\u7ec8\u4e3a on", "commits": ["457620845"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "c4f9f9d32fefdf6df8ccf581a3a9d881e4c09bd24359b11641136a0fd1cb5db6", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["457620845"]], "identity_text": "Force standard_conforming_strings to always be on in the database server (Tom Lane) Dumps created using pre-PostgreSQL 19 versions of pg_dump or pg_dumpall, and using standard_conforming_strings = off, will not properly load into PostgreSQL 19 and later servers. Users should create dumps using PostgreSQL 19 or later versions of these applications, or use standard_conforming_strings = on. Client applications still support operations with servers having standard_conforming_strings = off, for compatibility with old servers. The server variable escape_string_warning has been removed as unnecessary.", "commit_aliases": ["457620845"], "source_commits": ["457620845"], "source_entry_id": "19.0/migration/004", "db_id": "5f25dd2107e85b9059d37535d1950ec9", "patch_ids": ["f5987b8788598cff2c835051633022a4"], "statement_hash": "696303749de67371484ae06d069e6d9d01ae9401a71810e825dcc4efda391fa3", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-2c213911526432f1", "migration": true}, {"id": "19.0-07f0137a38635d0b", "cves": [], "html": "

\u7981\u6b62\u6570\u636e\u5e93\u540d\u3001\u89d2\u8272\u540d\u548c\u8868\u7a7a\u95f4\u540d\u4e2d\u51fa\u73b0\u56de\u8f66\u548c\u6362\u884c\uff08Mahendra Singh Thalor\uff09\u00a7

\n

\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u907f\u514d\u5b89\u5168\u95ee\u9898\u3002pg_upgrade\u4e5f\u4f1a\u62d2\u7edd\u5347\u7ea7\u90a3\u4e9b\u4f7f\u7528\u6b64\u7c7b\u540d\u79f0\u7684\u6570\u636e\u5e93\u96c6\u7c07\u3002

", "text": "\u7981\u6b62\u6570\u636e\u5e93\u540d\u3001\u89d2\u8272\u540d\u548c\u8868\u7a7a\u95f4\u540d\u4e2d\u51fa\u73b0\u56de\u8f66\u548c\u6362\u884c\uff08Mahendra Singh Thalor\uff09\u00a7 \u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u907f\u514d\u5b89\u5168\u95ee\u9898\u3002pg_upgrade\u4e5f\u4f1a\u62d2\u7edd\u5347\u7ea7\u90a3\u4e9b\u4f7f\u7528\u6b64\u7c7b\u540d\u79f0\u7684\u6570\u636e\u5e93\u96c6\u7c07\u3002", "title": "\u7981\u6b62\u6570\u636e\u5e93\u540d\u3001\u89d2\u8272\u540d\u548c\u8868\u7a7a\u95f4\u540d\u4e2d\u51fa\u73b0\u56de\u8f66\u548c\u6362\u884c", "commits": ["b380a56a3"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "d9d6648afb875ea815d9ead2982f136ba6f41ae97c8305e53b58b65c7486235a", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["b380a56a3"]], "identity_text": "Disallow carriage returns and line feeds in database, role, and tablespace names (Mahendra Singh Thalor) pg_upgrade will also disallow upgrading of clusters that use such names. This was changed to avoid security problems.", "commit_aliases": ["b380a56a3"], "source_commits": ["b380a56a3"], "source_entry_id": "19.0/migration/005", "db_id": "0f8efb4cff76fe54d45530b1262f678a", "patch_ids": ["4c82032b0e66552171db30560a84fcf6"], "statement_hash": "ad32dd3c8f6a910d242148086becb69efd82cd95622b540fa6f3ad7a4e16f429", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-07f0137a38635d0b", "migration": true}, {"id": "19.0-e5009c4b0e44386f", "cves": [], "html": "

\u5c06 inet \u548c cidr \u6570\u636e\u7c7b\u578b\u7684\u9ed8\u8ba4\u7d22\u5f15\u64cd\u4f5c\u7b26\u7c7b\u4ecebtree_gist\u6539\u4e3a GiST\uff08Tom Lane\uff09\u00a7 \u00a7

\n

btree_gist\u7684 inet/cidr \u64cd\u4f5c\u7b26\u7c7b\u5b58\u5728\u7f3a\u9677\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u6392\u9664\u672c\u5e94\u8fd4\u56de\u7684\u884c\u3002pg_upgrade\u5c06\u62d2\u7edd\u5347\u7ea7\u5305\u542bbtree_gist inet/cidr \u7d22\u5f15\u7684\u6570\u636e\u5e93\u96c6\u7c07\u3002

", "text": "\u5c06 inet \u548c cidr \u6570\u636e\u7c7b\u578b\u7684\u9ed8\u8ba4\u7d22\u5f15\u64cd\u4f5c\u7b26\u7c7b\u4ecebtree_gist\u6539\u4e3a GiST\uff08Tom Lane\uff09\u00a7 \u00a7 btree_gist\u7684 inet/cidr \u64cd\u4f5c\u7b26\u7c7b\u5b58\u5728\u7f3a\u9677\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u6392\u9664\u672c\u5e94\u8fd4\u56de\u7684\u884c\u3002pg_upgrade\u5c06\u62d2\u7edd\u5347\u7ea7\u5305\u542bbtree_gist inet/cidr \u7d22\u5f15\u7684\u6570\u636e\u5e93\u96c6\u7c07\u3002", "title": "\u5c06 inet \u548c cidr \u6570\u636e\u7c7b\u578b\u7684\u9ed8\u8ba4\u7d22\u5f15\u64cd\u4f5c\u7b26\u7c7b\u4ecebtree_gist\u6539\u4e3a GiST", "commits": ["b352d3d80", "b3b0b4571"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "bcad9b83405cd9f68ea551fb80f30d2d8da8c52009e65b68dabd4e687f1f8110", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["b352d3d80"], ["b3b0b4571"]], "identity_text": "Change the default index opclasses for inet and cidr data types from btree-gist to GiST (Tom Lane) The btree-gist inet/cidr opclasses are broken because they can exclude rows that should be returned. pg_upgrade will disallow upgrading of clusters with btree-gist inet/cidr indexes.", "commit_aliases": ["b352d3d80", "b3b0b4571"], "source_commits": ["b352d3d80", "b3b0b4571"], "source_entry_id": "19.0/migration/006", "db_id": "bbd6b84aeeaf610165c06bae2b0299d6", "patch_ids": ["5f29df7f225f782b9684cc42760b7f96", "9c1098e770febac330c7cc44915cac6b"], "statement_hash": "1b48edee148244a08df9c9fc19d5499e8f3e93d313d216e6a12d4aea70e762bb", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-e5009c4b0e44386f", "migration": true}, {"id": "19.0-940009c2e7beae07", "cves": [], "html": "

\u7981\u6b62\u5728 COPY FROM ... WHERE \u4e2d\u4f7f\u7528\u7cfb\u7edf\u5217\uff08Tom Lane\uff09\u00a7

\n

\u8fd9\u4e9b\u5217\u7684\u503c\u5e76\u672a\u660e\u786e\u5b9a\u4e49\u3002

", "text": "\u7981\u6b62\u5728 COPY FROM ... WHERE \u4e2d\u4f7f\u7528\u7cfb\u7edf\u5217\uff08Tom Lane\uff09\u00a7 \u8fd9\u4e9b\u5217\u7684\u503c\u5e76\u672a\u660e\u786e\u5b9a\u4e49\u3002", "title": "\u7981\u6b62\u5728 COPY FROM ... WHERE \u4e2d\u4f7f\u7528\u7cfb\u7edf\u5217", "commits": ["21c69dc73"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "10e8dbc64b58cb2e6f2e54867daffca75598a704fdd023899c025327e183c54c", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["21c69dc73"]], "identity_text": "Disallow system columns from being used in COPY FROM ... WHERE (Tom Lane) The values of such columns were not well-defined.", "commit_aliases": ["21c69dc73"], "source_commits": ["21c69dc73"], "source_entry_id": "19.0/migration/007", "db_id": "778475a1b837861f70094d5ceb2c5e00", "patch_ids": ["4b03e5cd2822d97a82583c446462a0fc"], "statement_hash": "579a9ff0903438067962eb326e682f0081809e9b7f29423e0d2af99e7d40eed6", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-940009c2e7beae07", "migration": true}, {"id": "19.0-28887c6175f1aca5", "cves": [], "html": "

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\n

\u6b64\u524d\u4f1a\u8fd4\u56de NULL\u3002

", "text": "\u5c06\u4e0d\u8fd4\u56de\u4efb\u4f55\u884c\u7684 json_array() \u8c03\u7528\u6539\u4e3a\u8fd4\u56de\u7a7a JSON \u6570\u7ec4\uff08Richard Guo\uff09\u00a7 \u6b64\u524d\u4f1a\u8fd4\u56de NULL\u3002", "title": "\u5c06\u4e0d\u8fd4\u56de\u4efb\u4f55\u884c\u7684 json_array() \u8c03\u7528\u6539\u4e3a\u8fd4\u56de\u7a7a JSON \u6570\u7ec4", "commits": ["8d829f5a0"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "c9026a8f7dc5b8e5ee222913b32528ec83fd880eb76ec6075ea29ef169bc6302", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["8d829f5a0"]], "identity_text": "Change a json_array() call which returns no rows to return an empty JSON array (Richard Guo) This previously returned NULL.", "commit_aliases": ["8d829f5a0"], "source_commits": ["8d829f5a0"], "source_entry_id": "19.0/migration/008", "db_id": "211e837dc7f9cc71a096ad987b1144ac", "patch_ids": ["733a64f5cc78dfc189cdc0be1e7005a2"], "statement_hash": "91028f49e3f39916e3f88fd906dc82c048f83731d9e3eae83630f455228e1a60", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-28887c6175f1aca5", "migration": true}, {"id": "19.0-c8cd45a36d0a5393", "cves": [], "html": "

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\n

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", "text": "\u8ba9\u4e8b\u52a1\u628a\u5176 READ ONLY \u548c DEFERRABLE \u72b6\u6001\u4f20\u9012\u7ed9postgres_fdw\u4f1a\u8bdd\uff08Etsuro Fujita\uff09\u00a7 \u8fd9\u610f\u5473\u7740 READ ONLY \u4e8b\u52a1\u5c06\u4e0d\u80fd\u518d\u4fee\u6539\u7531postgres_fdw\u4f1a\u8bdd\u5904\u7406\u7684\u884c\u3002", "title": "\u8ba9\u4e8b\u52a1\u628a\u5176 READ ONLY \u548c DEFERRABLE \u72b6\u6001\u4f20\u9012\u7ed9postgres_fdw\u4f1a\u8bdd", "commits": ["de28140de"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "aedfab70eafb85c9a3ebed4170e316ccb68c5d66f2c9d87e1d276b2877ac8094", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["de28140de"]], "identity_text": "Cause transactions to pass their READ ONLY and DEFERRABLE status to postgres-fdw sessions (Etsuro Fujita) This means READ ONLY transactions can no longer modify rows processed by postgres-fdw sessions.", "commit_aliases": ["de28140de"], "source_commits": ["de28140de"], "source_entry_id": "19.0/migration/009", "db_id": "beedc195aa1ee31a93e09290f46c1a76", "patch_ids": ["efb80ef332b64868d899df491adab085"], "statement_hash": "a1cca77513b91f2bc10a1b05552526e2158b9c52c70de896bdbfddb837974d2b", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-c8cd45a36d0a5393", "migration": true}, {"id": "19.0-0f6fe2deb41d452f", "cves": [], "html": "

\u5c06 max_locks_per_transaction \u7684\u9ed8\u8ba4\u503c\u4ece 64 \u6539\u4e3a 128\uff08Heikki Linnakangas\uff09\u00a7

\n

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", "text": "\u5c06 max_locks_per_transaction \u7684\u9ed8\u8ba4\u503c\u4ece 64 \u6539\u4e3a 128\uff08Heikki Linnakangas\uff09\u00a7 \u9501\u5927\u5c0f\u5206\u914d\u65b9\u5f0f\u5df2\u7ecf\u6539\u53d8\uff0c\u56e0\u6b64\u8981\u8fbe\u5230\u4e0e\u5148\u524d\u7248\u672c\u76f8\u540c\u7684\u5bb9\u91cf\uff0c\u5b9e\u9645\u4e0a\u73b0\u5728\u5fc5\u987b\u5c06\u8bbe\u7f6e\u503c\u7ffb\u500d\u3002", "title": "\u5c06 max_locks_per_transaction \u7684\u9ed8\u8ba4\u503c\u4ece 64 \u6539\u4e3a 128", "commits": ["79534f906"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "77109b01dcfb7956ff1d2d5d39ab548e9520cfe4164c1927463934a1cf43e715", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["79534f906"]], "identity_text": "Change default of max_locks_per_transaction from 64 to 128 (Heikki Linnakangas) Lock size allocation has changed, so effectively settings must now be doubled to match their capacity in previous releases.", "commit_aliases": ["79534f906"], "source_commits": ["79534f906"], "source_entry_id": "19.0/migration/010", "db_id": "b49e1630d4751a0a3391d1c9cda2c73c", "patch_ids": ["39ca5de25df82eeade6fa15b148cba38"], "statement_hash": "b047f9fc149f0588327f77f9adf686e5da4c3cc852f9df57e36cee3c9a3ff845", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-0f6fe2deb41d452f", "migration": true}, {"id": "19.0-2d1995791bfba273", "cves": [], "html": "

\u9ed8\u8ba4\u7981\u7528 JIT\uff08Jelte Fennema-Nio\uff09\u00a7

\n

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", "text": "\u9ed8\u8ba4\u7981\u7528 JIT\uff08Jelte Fennema-Nio\uff09\u00a7 \u4e4b\u524d JIT \u9ed8\u8ba4\u542f\u7528\uff0c\u5e76\u6839\u636e\u4f18\u5316\u5668\u4ee3\u4ef7\u51b3\u5b9a\u662f\u5426\u6fc0\u6d3b\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u8fd9\u79cd\u4ee3\u4ef7\u4f30\u7b97\u88ab\u8ba4\u4e3a\u5e76\u4e0d\u53ef\u9760\uff0c\u56e0\u6b64\u9700\u8981\u5927\u91cf\u8fd0\u884c\u5927\u578b\u5206\u6790\u67e5\u8be2\u7684\u7ad9\u70b9\u624b\u5de5\u542f\u7528 JIT\u3002", "title": "\u9ed8\u8ba4\u7981\u7528 JIT", "commits": ["7f8c88c2b"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "d5d7f48ee4c1effa36bf0427d8b159eb540c0335fb0e7d37c451e2f950663546", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["7f8c88c2b"]], "identity_text": "Change JIT to be disabled by default (Jelte Fennema-Nio) Previously JIT was enabled by default, and activated based on optimizer costs, but this costing has been determined to be unreliable. This change requires sites that are doing many large analytical queries to manually enable JIT.", "commit_aliases": ["7f8c88c2b"], "source_commits": ["7f8c88c2b"], "source_entry_id": "19.0/migration/011", "db_id": "6b3e754eb033e05517d5e01c53cbb26f", "patch_ids": ["df6972f1b29556533e8f1d64ffe7c753"], "statement_hash": "532c84b6fa800a1060de0ff778f814cfac6bef59a00a8aff7b59d1e42bb1bef4", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-2d1995791bfba273", "migration": true}, {"id": "19.0-b1c1710fd414582c", "cves": [], "html": "

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\n

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", "text": "\u5c06 sync_error_count \u91cd\u547d\u540d\u4e3a sync_table_error_count\uff0c\u8be5\u5217\u4f4d\u4e8e\u7cfb\u7edf\u89c6\u56fe pg_stat_subscription_stats \u4e2d\uff08Vignesh C\uff09\u00a7 \u8fd9\u662f\u56e0\u4e3a\u73b0\u5728\u4f1a\u5355\u72ec\u8ddf\u8e2a\u5e8f\u5217\u9519\u8bef\u3002", "title": "\u5c06 sync_error_count \u91cd\u547d\u540d\u4e3a sync_table_error_count\uff0c\u8be5\u5217\u4f4d\u4e8e\u7cfb\u7edf\u89c6\u56fe pg_stat_subscription_stats \u4e2d", "commits": ["3edaf29fa"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "a14e8b11a625b613af50951c94510fbe64a46f611fc59e78fcaaffe25b659690", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["3edaf29fa"]], "identity_text": "Rename column sync_error_count to sync_table_error_count in system view pg_stat_subscription_stats (Vignesh C) This is necessary since sequence errors are now tracked separately.", "commit_aliases": ["3edaf29fa"], "source_commits": ["3edaf29fa"], "source_entry_id": "19.0/migration/012", "db_id": "70cd59be0b3b3c22c3c028193c91e416", "patch_ids": ["612943743e97964090c65bd7f4cdedca"], "statement_hash": "1f4f95c0813c6e77c441fd924e4b2ab8e496ff881eefbd3447d3f107e05fe57e", "relations": [{"rule": 2, "type": "related", "target": "9a6f7f73dea73507b7e7d161044aa58a", "evidence": {"same_day": false, "patch_ids": ["612943743e97964090c65bd7f4cdedca"]}}], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-b1c1710fd414582c", "migration": true}, {"id": "19.0-81577b68a3e9a3cd", "cves": [], "html": "

\u5c06\u7b49\u5f85\u4e8b\u4ef6\u7c7b\u578b BUFFERPIN \u91cd\u547d\u540d\u4e3a BUFFER\uff08Andres Freund\uff09\u00a7

", "text": "\u5c06\u7b49\u5f85\u4e8b\u4ef6\u7c7b\u578b BUFFERPIN \u91cd\u547d\u540d\u4e3a BUFFER\uff08Andres Freund\uff09\u00a7", "title": "\u5c06\u7b49\u5f85\u4e8b\u4ef6\u7c7b\u578b BUFFERPIN \u91cd\u547d\u540d\u4e3a BUFFER", "commits": ["6c5c393b7"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "1c827752bc91870e249ffe8959c9bb2f54d7f1d069aaf5d2e31c31dd3bb5f640", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["6c5c393b7"]], "identity_text": "Rename wait event type BUFFERPIN to BUFFER (Andres Freund)", "commit_aliases": ["6c5c393b7"], "source_commits": ["6c5c393b7"], "source_entry_id": "19.0/migration/013", "db_id": "1ecc37a4bc0681ac63229c9b83f896ff", "patch_ids": ["05a4d97cfbb6a11f234cd121c8a4175b"], "statement_hash": "f95959a5ae8abdf9d088444fdc699e05d3883f7bcc008adc16e100c5e8e5a2db", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-81577b68a3e9a3cd", "migration": true}, {"id": "19.0-02d55f924e33d8e5", "cves": [], "html": "

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", "text": "\u5c06\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5\u5904\u7406\u5668\u6539\u4e3a\u4f7f\u7528\u9759\u6001\u5206\u914d\u7684 IndexAmRoutines \u7ed3\u6784\u4f53\uff0c\u800c\u4e0d\u662f\u52a8\u6001\u5206\u914d\u7684\u7ed3\u6784\u4f53\uff08Matthias van de Meent\uff09\u00a7", "title": "\u5c06\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5\u5904\u7406\u5668\u6539\u4e3a\u4f7f\u7528\u9759\u6001\u5206\u914d\u7684 IndexAmRoutines \u7ed3\u6784\u4f53\uff0c\u800c\u4e0d\u662f\u52a8\u6001\u5206\u914d\u7684\u7ed3\u6784\u4f53", "commits": ["bc6374cd7"], "section": "\u517c\u5bb9\u6027", "category": "compatibility", "source_url": "/docs/release/19.0/#RELEASE-19-MIGRATION", "source_hash": "8d57149ef038da9610e4d527d1b77c67a259a9a2d5db45bfe77b68c2ac0f956a", "section_path": ["\u517c\u5bb9\u6027"], "commit_groups": [["bc6374cd7"]], "identity_text": "Change index access method handlers to use a static IndexAmRoutines structure, rather than dynamically allocated ones (Matthias van de Meent)", "commit_aliases": ["bc6374cd7"], "source_commits": ["bc6374cd7"], "source_entry_id": "19.0/migration/014", "db_id": "419bfd0eee41078235d947a0cb18b85a", "patch_ids": ["309ecd676dbc1e378df3e762b4e43d07"], "statement_hash": "77ac996dcd32cd0c913325b06fad5609fb2d0a07a577f342baba7263879bf0fc", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=19.0#19.0-02d55f924e33d8e5", "migration": true}, {"id": "19.0-6aed8df8f1048b04", "cves": [], "html": "

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\n

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\u6539\u8fdb\u534a\u8fde\u63a5\u89c4\u5212\uff08Richard Guo\uff09\u00a7

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\n

\u8fd9\u4e3a\u540e\u7eed\u4f18\u5316\u521b\u9020\u4e86\u6761\u4ef6\u3002

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\u5141\u8bb8 pg_aggregate.aggtransspace \u4e3a\u8d1f\u503c\uff0c\u4ee5\u8868\u793a\u5185\u5b58\u4f7f\u7528\u6ca1\u6709\u4e0a\u9650\uff08Richard Guo\uff09\u00a7

\n

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\u6539\u8fdb\u5916\u952e\u7ea6\u675f\u68c0\u67e5\u6027\u80fd\uff08Junwang Zhao\uff0cAmit Langote\uff0cChao Li\uff09\u00a7\u00a7

", "text": "\u6539\u8fdb\u5916\u952e\u7ea6\u675f\u68c0\u67e5\u6027\u80fd\uff08Junwang Zhao\uff0cAmit Langote\uff0cChao Li\uff09\u00a7\u00a7", "title": "\u6539\u8fdb\u5916\u952e\u7ea6\u675f\u68c0\u67e5\u6027\u80fd", "commits": ["2da86c1ef", "e484b0eea"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "4b1fa21f0dd9a6dc0c815850b02898286ac0f028cce3bf0a783f11095fbaf499", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["2da86c1ef"], ["e484b0eea"]], "identity_text": "Improve performance of foreign key constraint checks (Junwang Zhao, Amit Langote, Chao Li)", "commit_aliases": ["2da86c1ef", "e484b0eea"], "source_commits": ["2da86c1ef", "e484b0eea"], "source_entry_id": "19.0/changes/020", "db_id": "b1f9f55a512602ec9cd060bc2bc4371e", "patch_ids": ["00cf015ee47213a43181fb99b66a0771", "f4628d8586bd3ee7fa856a2b048ac468"], "statement_hash": "6721bd85527a6ca1358f80844fdc7e6fed859721c8241c12cec9e382035b32e7", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-e60811349444510a", "migration": false}, {"id": "19.0-f417f817672bff47", "cves": [], "html": "

\u6539\u8fdb\u5927\u8bf7\u6c42\u4e0b\u5f02\u6b65 I/O\u8bfb\u9884\u53d6\u8c03\u5ea6\uff08Andres Freund\uff09\u00a7\u00a7\u00a7

", "text": "\u6539\u8fdb\u5927\u8bf7\u6c42\u4e0b\u5f02\u6b65 I/O\u8bfb\u9884\u53d6\u8c03\u5ea6\uff08Andres Freund\uff09\u00a7\u00a7\u00a7", "title": "\u6539\u8fdb\u5927\u8bf7\u6c42\u4e0b\u5f02\u6b65 I/O\u8bfb\u9884\u53d6\u8c03\u5ea6", "commits": ["8ca147d58", "a9ee66881", "f63ca3379"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "387f271f171b23c761d21c0ad07898142ffcb42364770d68d60cc9d395101b9a", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["8ca147d58"], ["a9ee66881"], ["f63ca3379"]], "identity_text": "Improve asynchronous I/O read-ahead scheduling for large requests (Andres Freund)", "commit_aliases": ["8ca147d58", "a9ee66881", "f63ca3379"], "source_commits": ["8ca147d58", "a9ee66881", "f63ca3379"], "source_entry_id": "19.0/changes/021", "db_id": "b4d4b57a7f99bc9f44ad1314afae429b", "patch_ids": ["2072501f14b820f1bfe35915d8b30158", "e087def6571d3f6e5a061dae62c2fd7c", "fe9957778679eb91b18205b9537edb64"], "statement_hash": "6cfcc165edbe911269bd81960b16bec9e8a30a5f6f44ec922baa64b01873c0ed", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-f417f817672bff47", "migration": false}, {"id": "19.0-1a286e47a7833938", "cves": [], "html": "

\u5141\u8bb8 io_method = \"worker\" \u81ea\u52a8\u63a7\u5236\u6240\u9700\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b\uff08Thomas Munro\uff09\u00a7

\n

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", "text": "\u5141\u8bb8 io_method = \"worker\" \u81ea\u52a8\u63a7\u5236\u6240\u9700\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b\uff08Thomas Munro\uff09\u00a7 \u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf io_min_workers\u3001io_max_workers\u3001io_worker_idle_timeout \u548c io_worker_launch_interval\u3002", "title": "\u5141\u8bb8 io_method = \"worker\" \u81ea\u52a8\u63a7\u5236\u6240\u9700\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b", "commits": ["d1c01b79d"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "0a9bfdeaf6759e077b7807eee93e8e6e53ab1c3ce3e64d1437c539d72ffb6f32", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["d1c01b79d"]], "identity_text": "Allow io_method method worker to automatically control needed background workers (Thomas Munro) The new server variables are io_min_workers, io_max_workers, io_worker_idle_timeout, and io_worker_launch_interval.", "commit_aliases": ["d1c01b79d"], "source_commits": ["d1c01b79d"], "source_entry_id": "19.0/changes/022", "db_id": "c5e682edb6d0e753a07c754d48223848", "patch_ids": ["a169ee84ddbd574a455365395bab1dc4"], "statement_hash": "33d169ec095b66285e4a86bc4f2e5ede3e62f3090896d379a607543d557df376", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-1a286e47a7833938", "migration": false}, {"id": "19.0-552fbeaf9dd98203", "cves": [], "html": "

\u5141\u8bb8\u67e5\u8be2\u4e2d\u7684\u8868\u626b\u63cf\u5728\u53ef\u89c1\u6027\u6620\u5c04\u4e2d\u5c06\u9875\u9762\u6807\u8bb0\u4e3a\u5168\u53ef\u89c1\uff08Melanie Plageman\uff09\u00a7

\n

\u6b64\u524d\u53ea\u6709 VACUUM \u548c COPY ... FREEZE \u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\u3002

", "text": "\u5141\u8bb8\u67e5\u8be2\u4e2d\u7684\u8868\u626b\u63cf\u5728\u53ef\u89c1\u6027\u6620\u5c04\u4e2d\u5c06\u9875\u9762\u6807\u8bb0\u4e3a\u5168\u53ef\u89c1\uff08Melanie Plageman\uff09\u00a7 \u6b64\u524d\u53ea\u6709 VACUUM \u548c COPY ... FREEZE \u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\u3002", "title": "\u5141\u8bb8\u67e5\u8be2\u4e2d\u7684\u8868\u626b\u63cf\u5728\u53ef\u89c1\u6027\u6620\u5c04\u4e2d\u5c06\u9875\u9762\u6807\u8bb0\u4e3a\u5168\u53ef\u89c1", "commits": ["b46e1e54d"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "9273e2b732c863827162b3d04de6d8f12e99b5109b31cd73b73178ec8a593a8b", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["b46e1e54d"]], "identity_text": "Allow query table scans to mark pages as all-visible in the visibility map (Melanie Plageman) Previously only VACUUM and COPY ... FREEZE could do this.", "commit_aliases": ["b46e1e54d"], "source_commits": ["b46e1e54d"], "source_entry_id": "19.0/changes/023", "db_id": "76b13e4c8fc284cc32adc9b29d10b363", "patch_ids": ["6a8f27889e6200ee92a2c2b96e0a1e62"], "statement_hash": "f7b21665ddffe4d56df3b384fa639c09064ad5d485c15b1843643bba88575b1e", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-552fbeaf9dd98203", "migration": false}, {"id": "19.0-d02b208d03c2469f", "cves": [], "html": "

\u5141\u8bb8\u81ea\u52a8\u6e05\u7406\u4f7f\u7528\u5e76\u884c\u81ea\u52a8\u6e05\u7406\u5de5\u4f5c\u8fdb\u7a0b\uff08Daniil Davydov\uff09\u00a7\u00a7

\n

\u5de5\u4f5c\u8fdb\u7a0b\u7684\u6700\u5927\u6570\u91cf\u7531\u670d\u52a1\u5668\u53d8\u91cf autovacuum_max_parallel_workers \u548c\u6bcf\u8868\u5b58\u50a8\u53c2\u6570 autovacuum_parallel_workers \u63a7\u5236\u3002

", "text": "\u5141\u8bb8\u81ea\u52a8\u6e05\u7406\u4f7f\u7528\u5e76\u884c\u81ea\u52a8\u6e05\u7406\u5de5\u4f5c\u8fdb\u7a0b\uff08Daniil Davydov\uff09\u00a7\u00a7 \u5de5\u4f5c\u8fdb\u7a0b\u7684\u6700\u5927\u6570\u91cf\u7531\u670d\u52a1\u5668\u53d8\u91cf autovacuum_max_parallel_workers \u548c\u6bcf\u8868\u5b58\u50a8\u53c2\u6570 autovacuum_parallel_workers \u63a7\u5236\u3002", "title": "\u5141\u8bb8\u81ea\u52a8\u6e05\u7406\u4f7f\u7528\u5e76\u884c\u81ea\u52a8\u6e05\u7406\u5de5\u4f5c\u8fdb\u7a0b", "commits": ["1ff3180ca", "2a3d2f9f6"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "08cc8f291983d4a09b820ae5af6e83c5ad36422f0a9e2ba758dcf31316c34dda", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["1ff3180ca"], ["2a3d2f9f6"]], "identity_text": "Allow autovacuum to use parallel autovacuum workers (Daniil Davydov) The maximum number of workers is controlled by server variable autovacuum_max_parallel_workers and per-table storage parameter autovacuum_parallel_workers.", "commit_aliases": ["1ff3180ca", "2a3d2f9f6"], "source_commits": ["1ff3180ca", "2a3d2f9f6"], "source_entry_id": "19.0/changes/024", "db_id": "0d35219da77f982b814f937702009bc4", "patch_ids": ["d00bb448799a8e00977cd00e9bf68cfc", "e7ff818d9fede0e1f491e0948f7bf314"], "statement_hash": "20d308cd68e961bab7637b3cd372a4abdc0257b9ce19be99488cf441e1c53b74", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-d02b208d03c2469f", "migration": false}, {"id": "19.0-11c70cb05f85d692", "cves": [], "html": "

\u5141\u8bb8 TID \u8303\u56f4\u626b\u63cf\u5e76\u884c\u6267\u884c\uff08Cary Huang\uff0cDavid Rowley\uff09\u00a7

", "text": "\u5141\u8bb8 TID \u8303\u56f4\u626b\u63cf\u5e76\u884c\u6267\u884c\uff08Cary Huang\uff0cDavid Rowley\uff09\u00a7", "title": "\u5141\u8bb8 TID \u8303\u56f4\u626b\u63cf\u5e76\u884c\u6267\u884c", "commits": ["0ca3b1697"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "918f82ee3ea04c6a8849f3ae4cd14b49af4f4aa3425b9fef00f6a50f7543e71e", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["0ca3b1697"]], "identity_text": "Allow TID Range Scans to be parallelized (Cary Huang, David Rowley)", "commit_aliases": ["0ca3b1697"], "source_commits": ["0ca3b1697"], "source_entry_id": "19.0/changes/025", "db_id": "7c3eedfe04103a4350c1c749f105b5d3", "patch_ids": ["7d9994e362750e4bcfdb237f48d39ad0"], "statement_hash": "7152ed59ec02612602e221661cc104efc7e6a70fcc85a8a34f9ef6bac4c337da", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-11c70cb05f85d692", "migration": false}, {"id": "19.0-b1723e951085af50", "cves": [], "html": "

\u4f7f\u7528 SIMD CPU \u6307\u4ee4\u63d0\u5347 COPY FROM \u5904\u7406\u6587\u672c\u548c CSV \u8f93\u5165\u7684\u6027\u80fd\uff08Nazir Bilal Yavuz\uff0cShinya Kato\uff09\u00a7

", "text": "\u4f7f\u7528 SIMD CPU \u6307\u4ee4\u63d0\u5347 COPY FROM \u5904\u7406\u6587\u672c\u548c CSV \u8f93\u5165\u7684\u6027\u80fd\uff08Nazir Bilal Yavuz\uff0cShinya Kato\uff09\u00a7", "title": "\u4f7f\u7528 SIMD CPU \u6307\u4ee4\u63d0\u5347 COPY FROM \u5904\u7406\u6587\u672c\u548c CSV \u8f93\u5165\u7684\u6027\u80fd", "commits": ["e0a3a3fd5"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "861106e022a1790aa6ba93ac6e264c93e0c4aa74ee673d0a357f2c0b381127aa", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["e0a3a3fd5"]], "identity_text": "Improve COPY FROM performance for text and CSV input using SIMD CPU instructions (Nazir Bilal Yavuz, Shinya Kato)", "commit_aliases": ["e0a3a3fd5"], "source_commits": ["e0a3a3fd5"], "source_entry_id": "19.0/changes/026", "db_id": "45aec4e1ec99e2006c53a4a19c340728", "patch_ids": ["7c26e1aeba8ab71718c7ba308657e115"], "statement_hash": "7589e7db24f5e61f7e42a40c7d945736722c212686b401443969a3bdde2d3193", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-b1723e951085af50", "migration": false}, {"id": "19.0-74f15db550e51aa0", "cves": [], "html": "

\u6539\u8fdb NOTIFY\uff0c\u4f7f\u5176\u53ea\u5524\u9192\u6b63\u5728\u76d1\u542c\u6307\u5b9a\u901a\u77e5\u7684\u540e\u7aef\uff08Joel Jacobson\uff09\u00a7

\n

\u6b64\u524d\u5927\u591a\u6570\u540e\u7aef\u90fd\u4f1a\u88ab NOTIFY \u5524\u9192\u3002

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\u5c06 wal_compression \u7b49\u4e8e on \u65f6\u7684\u884c\u4e3a\u6539\u4e3a\u4f7f\u7528\u53ef\u7528\u7684\u6700\u4f73 WAL \u538b\u7f29\u65b9\u6cd5\uff08wenhui qiu\uff09\u00a7

\n

\u6b64\u524d\u59cb\u7ec8\u4f7f\u7528 pglz\u3002

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\u5c06 TOAST \u538b\u7f29\u9ed8\u8ba4\u65b9\u6cd5\u4ece pglz \u6539\u4e3a\u66f4\u9ad8\u6548\u7684 lz4\uff08Euler Taveira\uff09\u00a7

\n

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", "text": "\u5c06 TOAST \u538b\u7f29\u9ed8\u8ba4\u65b9\u6cd5\u4ece pglz \u6539\u4e3a\u66f4\u9ad8\u6548\u7684 lz4\uff08Euler Taveira\uff09\u00a7 \u901a\u8fc7\u4fee\u6539\u670d\u52a1\u5668\u53d8\u91cf default_toast_compression \u7684\u9ed8\u8ba4\u503c\u5b9e\u73b0\u3002", "title": "\u5c06 TOAST \u538b\u7f29\u9ed8\u8ba4\u65b9\u6cd5\u4ece pglz \u6539\u4e3a\u66f4\u9ad8\u6548\u7684 lz4", "commits": ["34dfca293"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "b88ef72eb13e9528daa12b0f19ac0801bd11b0aed4868c5689f961b303474e4b", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["34dfca293"]], "identity_text": "Change the default TOAST compression method from pglz to the more efficient lz4 (Euler Taveira) This is done by changing the default for server variable default_toast_compression.", "commit_aliases": ["34dfca293"], "source_commits": ["34dfca293"], "source_entry_id": "19.0/changes/029", "db_id": "7be022908421d8c0bc76e88a85d61f08", "patch_ids": ["bc9f523e595d44cb2f23bf171fd8252e"], "statement_hash": "539bef1bd8c30f8c6cd23968ebfa3e8c836fd4a0051075fc361a1b1574e36f0b", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-f9faf33f2e42f662", "migration": false}, {"id": "19.0-4790bea65d4b1b64", "cves": [], "html": "

\u6539\u8fdb\u5185\u90e8\u884c\u5c55\u5f00\u6027\u80fd\uff08David Rowley\uff09\u00a7

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", "text": "\u6539\u8fdb\u91cd\u590d\u6267\u884c UTF-8 \u5927\u5c0f\u5199\u6298\u53e0\u64cd\u4f5c\u7684\u6027\u80fd\uff08Andreas Karlsson\uff09\u00a7", "title": "\u6539\u8fdb\u91cd\u590d\u6267\u884c UTF-8 \u5927\u5c0f\u5199\u6298\u53e0\u64cd\u4f5c\u7684\u6027\u80fd", "commits": ["c4ff35f10"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "db8fbfa4cae3f4ce9ea41e2d7646f765107a8c90c00b50a26b5ab10d56937494", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["c4ff35f10"]], "identity_text": "Improve performance of repeated UTF-8 case-folding operations (Andreas Karlsson)", "commit_aliases": ["c4ff35f10"], "source_commits": ["c4ff35f10"], "source_entry_id": "19.0/changes/031", "db_id": "1910f331f0c069a5c4fed4524f4347c2", "patch_ids": ["ae87a7eb7068ebcf4d1d2b57fc639c7c"], "statement_hash": "9e3af8a44d0dedeb1741e935ea02b4dcc4de7cf406fe2bfb5e5b1435a115b5e0", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-395cf0cc621146d2", "migration": false}, {"id": "19.0-8bab904eae83bd1e", "cves": [], "html": "

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\u4f7f\u7528\u57fa\u6570\u6392\u5e8f\u6539\u8fdb\u6392\u5e8f\u6027\u80fd\uff08John Naylor\uff09\u00a7

", "text": "\u4f7f\u7528\u57fa\u6570\u6392\u5e8f\u6539\u8fdb\u6392\u5e8f\u6027\u80fd\uff08John Naylor\uff09\u00a7", "title": "\u4f7f\u7528\u57fa\u6570\u6392\u5e8f\u6539\u8fdb\u6392\u5e8f\u6027\u80fd", "commits": ["ef3c3cf6d"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "053bf7d1a7a9e0349a991795e9476aaf1a1d59d2c0987e3bd5b973099c87cc5a", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["ef3c3cf6d"]], "identity_text": "Improve sort performance using radix sort (John Naylor)", "commit_aliases": ["ef3c3cf6d"], "source_commits": ["ef3c3cf6d"], "source_entry_id": "19.0/changes/033", "db_id": "e92f77f792175055754151b811c7e66f", "patch_ids": ["e549bc058c224184a36dddee5ed0274a"], "statement_hash": "1e58055dc676b28011576896b1a0c5617750d18c1bc9d507b6607e36ed2e726f", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-3249f6c7511a5af6", "migration": false}, {"id": "19.0-cd84e486027cb3ba", "cves": [], "html": "

\u6539\u8fdb\u8ba1\u65f6\u6027\u80fd\u6d4b\u91cf\uff08Lukas Fittl\u3001Andres Freund\u3001David Geier\uff09\u00a7\u00a7

\n

\u8fd9\u6709\u5229\u4e8e EXPLAIN (ANALYZE, TIMING) \u548cpg_test_timing\uff0c\u5e76\u7531\u670d\u52a1\u5668\u53d8\u91cf timing_clock_source \u63a7\u5236\u3002

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\u4f18\u5316plpgsql\u8bed\u6cd5 SELECT simple-expression INTO var\uff08Tom Lane\uff09\u00a7

", "text": "\u4f18\u5316plpgsql\u8bed\u6cd5 SELECT simple-expression INTO var\uff08Tom Lane\uff09\u00a7", "title": "\u4f18\u5316plpgsql\u8bed\u6cd5 SELECT simple-expression INTO var", "commits": ["ce8d5fe0e"], "section": "\u670d\u52a1\u5668 / \u5e38\u89c4\u6027\u80fd", "category": "performance", "source_url": "/docs/release/19.0/#RELEASE-19-PERFORMANCE", "source_hash": "a7328fdab461c4a7f5765f22692be28bd8444c4ebc98090a9006fa9fcdfe017a", "section_path": ["\u670d\u52a1\u5668", "\u5e38\u89c4\u6027\u80fd"], "commit_groups": [["ce8d5fe0e"]], "identity_text": "Optimize plpgsql syntax SELECT simple-expression INTO var (Tom Lane)", "commit_aliases": ["ce8d5fe0e"], "source_commits": ["ce8d5fe0e"], "source_entry_id": "19.0/changes/035", "db_id": "4d225e8d71194b0baf4576a57c89ab79", "patch_ids": ["cd90e593838a9a8b99f37f022aa98785"], "statement_hash": "9a10d3f3b495e42819480723274145cddba7d6c1c40840d9c022fd9f3e77a500", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=19.0#19.0-bf3b7d599cc4c9b7", "migration": false}, {"id": "19.0-7eab7e5c5f2203f0", "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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\u65b0\u589e update_deleted \u5217\u5230\u7cfb\u7edf\u89c6\u56fe pg_stat_subscription_stats\uff08Zhijie Hou\uff09\u00a7

\n

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", "text": "\u65b0\u589e update_deleted \u5217\u5230\u7cfb\u7edf\u89c6\u56fe pg_stat_subscription_stats\uff08Zhijie Hou\uff09\u00a7 \u8be5\u5217\u62a5\u544a\u56e0\u5e76\u53d1\u5220\u9664\u800c\u5ffd\u7565\u66f4\u65b0\u7684\u884c\u6570\u3002\u8fd9\u8981\u6c42\u8ba2\u9605\u8005\u542f\u7528 retain_dead_tuples\u3002", "title": "\u65b0\u589e update_deleted \u5217\u5230\u7cfb\u7edf\u89c6\u56fe pg_stat_subscription_stats", "commits": ["fd5a1a0c3"], "section": "\u670d\u52a1\u5668 / \u7cfb\u7edf\u89c6\u56fe", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-SYSTEM-VIEWS", "source_hash": "eac82733178f8d7d2986eda92cbd034efffab1d4ee8f03d308bcac6f716879c7", "section_path": ["\u670d\u52a1\u5668", "\u7cfb\u7edf\u89c6\u56fe"], "commit_groups": [["fd5a1a0c3"]], "identity_text": "Add update_deleted column to system view pg_stat_subscription_stats (Zhijie Hou) This reports the number of rows where updates were ignored due to concurrent deletes. This requires the subscriber have retain_dead_tuples enabled.", "commit_aliases": ["fd5a1a0c3"], "source_commits": ["fd5a1a0c3"], "source_entry_id": "19.0/changes/044", "db_id": "f89a6e0c5a92f39d190d76e75a70f8a7", "patch_ids": ["37275251cc82b9be0c185ced82ebe5d1"], "statement_hash": "2f7dca5ad2be2e9b0291ba662276ebf16720d5ebbec006b272a0b9d0f4cc6a10", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-e92035bd8571211b", "migration": false}, {"id": "19.0-1e43385099e277ba", "cves": [], "html": "

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\n

\u5b83\u4e5f\u51fa\u73b0\u5728 sys \u548c user \u53d8\u4f53\u89c6\u56fe\u4e2d\u3002

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\n

\u53ef\u80fd\u7684\u503c\u4e3a full \u6216 incremental\u3002

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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\u914d\u7f6e\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b\uff0c\u4f7f\u5176\u5728\u6570\u636e\u5e93\u7ea7\u64cd\u4f5c\u4e4b\u524d\u7ec8\u6b62\uff08Aya Iwata\uff09\u00a7 \u7531\u4e8e\u73b0\u5728\u53ef\u4ee5\u7ec8\u6b62\u9020\u6210\u963b\u585e\u7684\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b\uff0c\u6570\u636e\u5e93\u7ea7\u64cd\u4f5c\u53ef\u4ee5\u66f4\u5feb\u5b8c\u6210\u3002", "title": "\u5141\u8bb8\u914d\u7f6e\u540e\u53f0\u5de5\u4f5c\u8fdb\u7a0b\uff0c\u4f7f\u5176\u5728\u6570\u636e\u5e93\u7ea7\u64cd\u4f5c\u4e4b\u524d\u7ec8\u6b62", "commits": ["f1e251be8"], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u914d\u7f6e", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-SERVER-CONFIG", "source_hash": "3b253bfaa88968971752451a8075a5a5a8c7c5e429269c6607cc4ca273a01257", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u914d\u7f6e"], "commit_groups": [["f1e251be8"]], "identity_text": "Allow background workers to be configured to terminate before database-level operations (Aya Iwata) This allows database-level operations to complete more quickly since blocking background workers can now be terminated.", "commit_aliases": ["f1e251be8"], "source_commits": ["f1e251be8"], "source_entry_id": "19.0/changes/069", "db_id": "94d0fbd1cd265761e78acc6492d37d07", "patch_ids": ["5a78770d7da2184228f0ab9685eafd9e"], "statement_hash": "828364cf1cc33ec4d8b84f8666275ef6a299eb947bab17da8e236dec761121c1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-e8ecfac629a33f48", "migration": false}, {"id": "19.0-64612256f1602740", "cves": [], "html": "

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", "text": "\u5141\u8bb8\u5c06\u8868\u793a\u5217\u8868\u7684\u670d\u52a1\u5668\u53d8\u91cf\u503c\u8bbe\u4e3a NULL \u6765\u6e05\u7a7a\u5b83\u4eec\uff08Tom Lane\uff09\u00a7", "title": "\u5141\u8bb8\u5c06\u8868\u793a\u5217\u8868\u7684\u670d\u52a1\u5668\u53d8\u91cf\u503c\u8bbe\u4e3a NULL \u6765\u6e05\u7a7a\u5b83\u4eec", "commits": ["ff4597acd"], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u914d\u7f6e", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-SERVER-CONFIG", "source_hash": "176c9e7d279e68d5d2a7b25b882d8a4254df4dcc4d87ef46cb8580a081f3a183", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u914d\u7f6e"], "commit_groups": [["ff4597acd"]], "identity_text": "Allow server variables that represent lists to be emptied by setting the value to NULL (Tom Lane)", "commit_aliases": ["ff4597acd"], "source_commits": ["ff4597acd"], "source_entry_id": "19.0/changes/070", "db_id": "a5d855186d463c3452a21cc5487e0301", "patch_ids": ["04793e08fa193196f782ebd8711ddfaf"], "statement_hash": "5816d3ee299a6bce320a65a558ad08dc9ac81ad2bcbe613dd407a003cf3c5cfd", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-64612256f1602740", "migration": false}, {"id": "19.0-2dbb2275f18e0901", "cves": [], "html": "

\u5c06GB18030 \u7f16\u7801\u4ece 2000 \u7248\u66f4\u65b0\u5230 2022 \u7248\uff08Chao Li\uff0cZheng Tao\uff09\u00a7

\n

\u517c\u5bb9\u6027\u7ec6\u8282\u8bf7\u53c2\u89c1\u63d0\u4ea4\u8bf4\u660e\u3002

", "text": "\u5c06GB18030 \u7f16\u7801\u4ece 2000 \u7248\u66f4\u65b0\u5230 2022 \u7248\uff08Chao Li\uff0cZheng Tao\uff09\u00a7 \u517c\u5bb9\u6027\u7ec6\u8282\u8bf7\u53c2\u89c1\u63d0\u4ea4\u8bf4\u660e\u3002", "title": "\u5c06GB18030 \u7f16\u7801\u4ece 2000 \u7248\u66f4\u65b0\u5230 2022 \u7248", "commits": ["5334620ee"], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u914d\u7f6e", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-SERVER-CONFIG", "source_hash": "ee2981026ec290bb348e89954c5b60c8d9c4483c6d0eaabe3b08b41689028924", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u914d\u7f6e"], "commit_groups": [["5334620ee"]], "identity_text": "Update GB18030 encoding from version 2000 to 2022 (Chao Li, Zheng Tao) See the commit message for compatibility details.", "commit_aliases": ["5334620ee"], "source_commits": ["5334620ee"], "source_entry_id": "19.0/changes/071", "db_id": "3cb57e2d01a6cd251c7c76adc4b04cd3", "patch_ids": ["48b8aca46ccc0401e45a940f9c75b966"], "statement_hash": "594deded9e558041e87867a80a07ef79e230cbd6044de59b45a32f09dc48c45e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-2dbb2275f18e0901", "migration": false}, {"id": "19.0-f16d6c76b149aa22", "cves": [], "html": "

\u65b0\u589e WAIT \u547d\u4ee4\uff0c\u5141\u8bb8\u5907\u5e93\u7b49\u5f85 LSN \u503c\u88ab\u5199\u5165\u3001\u5237\u76d8\u6216\u91cd\u653e\uff08Kartyshov Ivan\uff0cAlexander Korotkov\uff0cXuneng Zhou\uff09\u00a7 \u00a7

", "text": "\u65b0\u589e WAIT \u547d\u4ee4\uff0c\u5141\u8bb8\u5907\u5e93\u7b49\u5f85 LSN \u503c\u88ab\u5199\u5165\u3001\u5237\u76d8\u6216\u91cd\u653e\uff08Kartyshov Ivan\uff0cAlexander Korotkov\uff0cXuneng Zhou\uff09\u00a7 \u00a7", "title": "\u65b0\u589e WAIT \u547d\u4ee4\uff0c\u5141\u8bb8\u5907\u5e93\u7b49\u5f85 LSN \u503c\u88ab\u5199\u5165\u3001\u5237\u76d8\u6216\u91cd\u653e", "commits": ["447aae13b", "49a181b5d"], "section": "\u670d\u52a1\u5668 / \u6d41\u590d\u5236\u4e0e\u6062\u590d", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-REPLICATION", "source_hash": "7643753f4bdb59e3f5037f26f940fb5694e77c0975eb0cf59a6f9c0f6f1a166f", "section_path": ["\u670d\u52a1\u5668", "\u6d41\u590d\u5236\u4e0e\u6062\u590d"], "commit_groups": [["447aae13b"], ["49a181b5d"]], "identity_text": "Add WAIT command to allow standbys to wait for LSN values to be written, flushed, or replayed (Kartyshov Ivan, Alexander Korotkov, Xuneng Zhou)", "commit_aliases": ["447aae13b", "49a181b5d"], "source_commits": ["447aae13b", "49a181b5d"], "source_entry_id": "19.0/changes/072", "db_id": "8510af8d8e9389f36a5077fe08ccb6bb", "patch_ids": ["ab4333cd6963f42a7e4f86aa337dea68", "b64769bf59f0f77abf2b0a0a53a251d2"], "statement_hash": "4357b28480e90e33d602b88e9ee9bd5d1d009e4ee3b3ac8d0e4c2b48b44ae249", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-f16d6c76b149aa22", "migration": false}, {"id": "19.0-568de1b0b34a1f5f", "cves": [], "html": "

\u6539\u8fdb pg_sync_replication_slots()\uff0c\u4f7f\u5176\u7b49\u5f85\u540c\u6b65\u5b8c\u6210\uff08Ajin Cherian\uff0cZhijie Hou\uff09\u00a7

\n

\u6b64\u524d\u67d0\u4e9b\u540c\u6b65\u5931\u8d25\u4e0d\u4f1a\u88ab\u62a5\u544a\u3002

", "text": "\u6539\u8fdb pg_sync_replication_slots()\uff0c\u4f7f\u5176\u7b49\u5f85\u540c\u6b65\u5b8c\u6210\uff08Ajin Cherian\uff0cZhijie Hou\uff09\u00a7 \u6b64\u524d\u67d0\u4e9b\u540c\u6b65\u5931\u8d25\u4e0d\u4f1a\u88ab\u62a5\u544a\u3002", "title": "\u6539\u8fdb pg_sync_replication_slots()\uff0c\u4f7f\u5176\u7b49\u5f85\u540c\u6b65\u5b8c\u6210", "commits": ["0d2d4a0ec"], "section": "\u670d\u52a1\u5668 / \u6d41\u590d\u5236\u4e0e\u6062\u590d", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-REPLICATION", "source_hash": "d681defc763334271c6eabcffe2479e61a6f41208cdbe9de86a02faf459c7d7d", "section_path": ["\u670d\u52a1\u5668", "\u6d41\u590d\u5236\u4e0e\u6062\u590d"], "commit_groups": [["0d2d4a0ec"]], "identity_text": "Improve function pg_sync_replication_slots() to wait for replication synchronization completion (Ajin Cherian, Zhijie Hou) Previously, certain synchronization failures would not be reported.", "commit_aliases": ["0d2d4a0ec"], "source_commits": ["0d2d4a0ec"], "source_entry_id": "19.0/changes/073", "db_id": "45a31034a4672bd881e44cbe52066ccc", "patch_ids": ["338e3e19e235235f0275be20e543213b"], "statement_hash": "425b216f04b5fec1c9f6f6ba4f6eb2025d2d607e4b08e81c19bfc08de35595e5", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-568de1b0b34a1f5f", "migration": false}, {"id": "19.0-64eb720430cf7823", "cves": [], "html": "

\u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf wal_sender_shutdown_timeout\uff0c\u7528\u4e8e\u9650\u5236\u5173\u95ed\u671f\u95f4\u7684\u526f\u672c\u540c\u6b65\u7b49\u5f85\uff08Andrey Silitskiy\uff0cHayato Kuroda\uff09\u00a7

\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0csender \u4ecd\u4f1a\u4e00\u76f4\u7b49\u5f85\u540c\u6b65\u3002

", "text": "\u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf wal_sender_shutdown_timeout\uff0c\u7528\u4e8e\u9650\u5236\u5173\u95ed\u671f\u95f4\u7684\u526f\u672c\u540c\u6b65\u7b49\u5f85\uff08Andrey Silitskiy\uff0cHayato Kuroda\uff09\u00a7 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0csender \u4ecd\u4f1a\u4e00\u76f4\u7b49\u5f85\u540c\u6b65\u3002", "title": "\u65b0\u589e\u670d\u52a1\u5668\u53d8\u91cf wal_sender_shutdown_timeout\uff0c\u7528\u4e8e\u9650\u5236\u5173\u95ed\u671f\u95f4\u7684\u526f\u672c\u540c\u6b65\u7b49\u5f85", "commits": ["a8f45dee9"], "section": "\u670d\u52a1\u5668 / \u6d41\u590d\u5236\u4e0e\u6062\u590d", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-REPLICATION", "source_hash": "f041fedc21d2d911223dcb4d84e0a674aa4569686f06d1f85deeea135f2a1bd5", "section_path": ["\u670d\u52a1\u5668", "\u6d41\u590d\u5236\u4e0e\u6062\u590d"], "commit_groups": [["a8f45dee9"]], "identity_text": "Add server variable wal_sender_shutdown_timeout to limit replica synchronization waits during shutdown (Andrey Silitskiy, Hayato Kuroda) By default, senders still wait forever for synchronization.", "commit_aliases": ["a8f45dee9"], "source_commits": ["a8f45dee9"], "source_entry_id": "19.0/changes/074", "db_id": "203a2adcedefdb3edd8d755c8e8d5ca4", "patch_ids": ["08ebe665d7e0f34213e1790cadf03a27"], "statement_hash": "9e31240cd0f7357f5add0456a9f2241263b7e5ee8e97793d13a6536581761a05", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-64eb720430cf7823", "migration": false}, {"id": "19.0-a87bfb7f681749d4", "cves": [], "html": "

\u5141\u8bb8\u8ba2\u9605\u8005\u4e2d\u5b58\u50a8\u7684\u5e8f\u5217\u503c\u4e0e\u53d1\u5e03\u8005\u4e00\u81f4\uff08Vignesh C\uff09\u00a7\u00a7\u00a7

\n

\u53ef\u5728 CREATE SUBSCRIPTION\u3001ALTER SUBSCRIPTION ... REFRESH PUBLICATION \u548c ALTER SUBSCRIPTION ... REFRESH SEQUENCES \u4e2d\u542f\u7528\u3002\u540e\u8005\u53ea\u66f4\u65b0\u503c\uff0c\u4e0d\u66f4\u65b0\u5e8f\u5217\u5b58\u5728\u6027\u3002\u51fd\u6570 pg_get_sequence_data() \u53ef\u7528\u4e8e\u68c0\u67e5\u5e8f\u5217\u540c\u6b65\u3002

", "text": "\u5141\u8bb8\u8ba2\u9605\u8005\u4e2d\u5b58\u50a8\u7684\u5e8f\u5217\u503c\u4e0e\u53d1\u5e03\u8005\u4e00\u81f4\uff08Vignesh C\uff09\u00a7\u00a7\u00a7 \u53ef\u5728 CREATE SUBSCRIPTION\u3001ALTER SUBSCRIPTION ... REFRESH PUBLICATION \u548c ALTER SUBSCRIPTION ... REFRESH SEQUENCES \u4e2d\u542f\u7528\u3002\u540e\u8005\u53ea\u66f4\u65b0\u503c\uff0c\u4e0d\u66f4\u65b0\u5e8f\u5217\u5b58\u5728\u6027\u3002\u51fd\u6570 pg_get_sequence_data() \u53ef\u7528\u4e8e\u68c0\u67e5\u5e8f\u5217\u540c\u6b65\u3002", "title": "\u5141\u8bb8\u8ba2\u9605\u8005\u4e2d\u5b58\u50a8\u7684\u5e8f\u5217\u503c\u4e0e\u53d1\u5e03\u8005\u4e00\u81f4", "commits": ["5509055d6", "55cefadde", "f0b3573c3"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "9f09aa078415ea67b6079c74b3e7a62a610d470763926babca29ef1182402f68", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["5509055d6"], ["55cefadde"], ["f0b3573c3"]], "identity_text": "Allow sequence values stored in subscribers to match the publisher (Vignesh C) This is enabled during CREATE SUBSCRIPTION, ALTER SUBSCRIPTION ... REFRESH PUBLICATION, and ALTER SUBSCRIPTION ... REFRESH SEQUENCES. The latter only updates values, not sequence existence. Function pg_get_sequence_data() allows inspection of sequence synchronization.", "commit_aliases": ["5509055d6", "55cefadde", "f0b3573c3"], "source_commits": ["5509055d6", "55cefadde", "f0b3573c3"], "source_entry_id": "19.0/changes/075", "db_id": "1bcb34dd87395b8706657d95a9d380c8", "patch_ids": ["7396c95164ecdf33b3c5be1ac8d17db2", "75a3ccc0bc352fa3cf35ea1fcd009658", "ba5b8b155d6cfe4af0fbdc66344dd227"], "statement_hash": "c563c445b3e3a69a7e0fda4a2cd8bc8569be441cc025ac431f63a6f4608f6ff3", "relations": [{"rule": 2, "type": "related", "target": "996e3bd3bf7e98b761d055951e1f5713", "evidence": {"same_day": false, "patch_ids": ["7396c95164ecdf33b3c5be1ac8d17db2"], "ambiguous_patch_ids": ["7396c95164ecdf33b3c5be1ac8d17db2"]}}], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-a87bfb7f681749d4", "migration": false}, {"id": "19.0-3b2ad2c40d11ee7d", "cves": [], "html": "

\u5141\u8bb8 CREATE/ALTER PUBLICATION \u53d1\u5e03\u6240\u6709\u5e8f\u5217\uff08Vignesh C\uff0cTomas Vondra\uff09\u00a7

\n

\u6b64\u529f\u80fd\u901a\u8fc7 ALL SEQUENCES \u5b50\u53e5\u542f\u7528\u3002

", "text": "\u5141\u8bb8 CREATE/ALTER PUBLICATION \u53d1\u5e03\u6240\u6709\u5e8f\u5217\uff08Vignesh C\uff0cTomas Vondra\uff09\u00a7 \u6b64\u529f\u80fd\u901a\u8fc7 ALL SEQUENCES \u5b50\u53e5\u542f\u7528\u3002", "title": "\u5141\u8bb8 CREATE/ALTER PUBLICATION \u53d1\u5e03\u6240\u6709\u5e8f\u5217", "commits": ["96b378497"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "9b69c386997655647beb8bc0fee83b1bab50a968b584732f01516c72429673a2", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["96b378497"]], "identity_text": "Allow CREATE/ALTER PUBLICATION to publish all sequences (Vignesh C, Tomas Vondra) This is enabled with the ALL SEQUENCES clause.", "commit_aliases": ["96b378497"], "source_commits": ["96b378497"], "source_entry_id": "19.0/changes/076", "db_id": "bcd2c7510de55a68e35c9f1706065cdc", "patch_ids": ["bbabaab10a2510ae96a8a0ebf6cde506"], "statement_hash": "dc7e697f8265c2a641e236dfb948a4a9c664ff306099fef7d6b46615a71f6ab7", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-3b2ad2c40d11ee7d", "migration": false}, {"id": "19.0-c3728c7f7fa4218a", "cves": [], "html": "

\u5141\u8bb8\u9488\u5bf9\u53d1\u5e03\u6267\u884c ALTER SUBSCRIPTION\uff0c\u4ee5\u540c\u6b65\u8ba2\u9605\u7aef\u4e0a\u7684\u5e8f\u5217\u5b58\u5728\u6027\uff0c\u4f7f\u5176\u4e0e\u53d1\u5e03\u7aef\u4e00\u81f4\uff08Vignesh C\uff09\u00a7

\n

\u901a\u8fc7 REFRESH SEQUENCES \u5b50\u53e5\u542f\u7528\u6b64\u529f\u80fd\u3002

", "text": "\u5141\u8bb8\u9488\u5bf9\u53d1\u5e03\u6267\u884c ALTER SUBSCRIPTION\uff0c\u4ee5\u540c\u6b65\u8ba2\u9605\u7aef\u4e0a\u7684\u5e8f\u5217\u5b58\u5728\u6027\uff0c\u4f7f\u5176\u4e0e\u53d1\u5e03\u7aef\u4e00\u81f4\uff08Vignesh C\uff09\u00a7 \u901a\u8fc7 REFRESH SEQUENCES \u5b50\u53e5\u542f\u7528\u6b64\u529f\u80fd\u3002", "title": "\u5141\u8bb8\u9488\u5bf9\u53d1\u5e03\u6267\u884c ALTER SUBSCRIPTION\uff0c\u4ee5\u540c\u6b65\u8ba2\u9605\u7aef\u4e0a\u7684\u5e8f\u5217\u5b58\u5728\u6027\uff0c\u4f7f\u5176\u4e0e\u53d1\u5e03\u7aef\u4e00\u81f4", "commits": ["f0b3573c3"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "f4844fb9e2636fc38fec0e95b86852d706e56d6c194ba248889c29bee565099d", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["f0b3573c3"]], "identity_text": "Allow ALTER SUBSCRIPTION on publications to synchronize the existence of sequences on subscribers to match the publisher (Vignesh C) This is enabled with the REFRESH SEQUENCES clause.", "commit_aliases": ["f0b3573c3"], "source_commits": ["f0b3573c3"], "source_entry_id": "19.0/changes/077", "db_id": "996e3bd3bf7e98b761d055951e1f5713", "patch_ids": ["7396c95164ecdf33b3c5be1ac8d17db2"], "statement_hash": "ba372e33556cba1bdbe885f8e042be73fa28b81551562a51792dd829c022c4b9", "relations": [{"rule": 2, "type": "related", "target": "1bcb34dd87395b8706657d95a9d380c8", "evidence": {"same_day": false, "patch_ids": ["7396c95164ecdf33b3c5be1ac8d17db2"], "ambiguous_patch_ids": ["7396c95164ecdf33b3c5be1ac8d17db2"]}}], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-c3728c7f7fa4218a", "migration": false}, {"id": "19.0-fbe241b2726d6df5", "cves": [], "html": "

\u5141\u8bb8 CREATE/ALTER PUBLICATION \u6392\u9664\u67d0\u4e9b\u8868\uff08Vignesh C\uff0cShlok Kyal\uff09\u00a7\u00a7\u00a7\u00a7

\n

\u8be5\u529f\u80fd\u901a\u8fc7 EXCEPT \u5b50\u53e5\u63a7\u5236\uff0c\u5728\u6307\u5b9a ALL TABLES \u65f6\u5c24\u5176\u6709\u7528\u3002

", "text": "\u5141\u8bb8 CREATE/ALTER PUBLICATION \u6392\u9664\u67d0\u4e9b\u8868\uff08Vignesh C\uff0cShlok Kyal\uff09\u00a7\u00a7\u00a7\u00a7 \u8be5\u529f\u80fd\u901a\u8fc7 EXCEPT \u5b50\u53e5\u63a7\u5236\uff0c\u5728\u6307\u5b9a ALL TABLES \u65f6\u5c24\u5176\u6709\u7528\u3002", "title": "\u5141\u8bb8 CREATE/ALTER PUBLICATION \u6392\u9664\u67d0\u4e9b\u8868", "commits": ["493f8c643", "5984ea868", "6b0550c45", "fd366065e"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "0de1497e8d29c5a4aeb513914368dbc21745118d78d5885334c14eb0159ef2da", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["493f8c643"], ["5984ea868"], ["6b0550c45"], ["fd366065e"]], "identity_text": "Allow CREATE/ALTER PUBLICATION to exclude some tables (Vignesh C, Shlok Kyal) This is controlled with the EXCEPT clause, and is useful when specifying ALL TABLES.", "commit_aliases": ["493f8c643", "5984ea868", "6b0550c45", "fd366065e"], "source_commits": ["493f8c643", "5984ea868", "6b0550c45", "fd366065e"], "source_entry_id": "19.0/changes/078", "db_id": "1427e7989a842983af15cb751ae5f406", "patch_ids": ["0cc6456fa8230d1d1c8abfc4830c412c", "4c8d1d6d522d1fa72b10f6199add0dae", "aa0b79f04fd24f394e1bab0e0bacd569", "cb0a176eb8ce94beca71d1b54ed6b044"], "statement_hash": "24c8ffacbc9b8016d921e666d8c2941e4f7b5186c872d16d56b00b545261893f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-fbe241b2726d6df5", "migration": false}, {"id": "19.0-7698dbd9370caee7", "cves": [], "html": "

\u4e3a CREATE/ALTER SUBSCRIPTION \u65b0\u589e\u8bbe\u7f6e retain_dead_tuples\uff0c\u7528\u4e8e\u4fdd\u7559\u51b2\u7a81\u68c0\u6d4b\u6240\u9700\u7684\u4fe1\u606f\uff08Zhijie Hou\uff09\u00a7 \u00a7 \u00a7

\n

\u540c\u65f6\u65b0\u589e\u8bbe\u7f6e max_retention_duration\uff0c\u7528\u4e8e\u9650\u5236 retain_dead_tuples \u7684\u4fdd\u7559\u65f6\u95f4\u3002

", "text": "\u4e3a CREATE/ALTER SUBSCRIPTION \u65b0\u589e\u8bbe\u7f6e retain_dead_tuples\uff0c\u7528\u4e8e\u4fdd\u7559\u51b2\u7a81\u68c0\u6d4b\u6240\u9700\u7684\u4fe1\u606f\uff08Zhijie Hou\uff09\u00a7 \u00a7 \u00a7 \u540c\u65f6\u65b0\u589e\u8bbe\u7f6e max_retention_duration\uff0c\u7528\u4e8e\u9650\u5236 retain_dead_tuples \u7684\u4fdd\u7559\u65f6\u95f4\u3002", "title": "\u4e3a CREATE/ALTER SUBSCRIPTION \u65b0\u589e\u8bbe\u7f6e retain_dead_tuples\uff0c\u7528\u4e8e\u4fdd\u7559\u51b2\u7a81\u68c0\u6d4b\u6240\u9700\u7684\u4fe1\u606f", "commits": ["0d48d393d", "228c37086", "a850be2fe"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "f974b2519f95c5aac7fddc360e4b12efd1a9b3e267363b398ba7d49fc5e96945", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["0d48d393d"], ["228c37086"], ["a850be2fe"]], "identity_text": "Add CREATE/ALTER SUBSCRIPTION setting retain_dead_tuples to retain information needed for conflict detection (Zhijie Hou) Also add setting max_retention_duration to limit retain_dead_tuples retention.", "commit_aliases": ["0d48d393d", "228c37086", "a850be2fe"], "source_commits": ["0d48d393d", "228c37086", "a850be2fe"], "source_entry_id": "19.0/changes/079", "db_id": "dd5f5929f31ea1804fa29e15ecb4f18d", "patch_ids": ["09547163b0a75be144bc2b3b8ce00313", "853a232d0ea1e00bce5d08b65c0617bd", "a43f06af255c6d3e05fd6bd4199d1a4d"], "statement_hash": "55936f865412ede59d3c85f0b4d0644af7a4caac91a936d93d398f109a24808a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-7698dbd9370caee7", "migration": false}, {"id": "19.0-8af09db87ea2dee8", "cves": [], "html": "

\u5141\u8bb8 CREATE SUBSCRIPTION \u4f7f\u7528postgres_fdw\u5916\u90e8\u6570\u636e\u5305\u88c5\u5668\u8fde\u63a5\u53c2\u6570\uff08Jeff Davis\uff09\u00a7

\n

\u8fde\u63a5\u53c2\u6570\u901a\u8fc7 CREATE SUBSCRIPTION ... SERVER \u5f15\u7528\u3002

", "text": "\u5141\u8bb8 CREATE SUBSCRIPTION \u4f7f\u7528postgres_fdw\u5916\u90e8\u6570\u636e\u5305\u88c5\u5668\u8fde\u63a5\u53c2\u6570\uff08Jeff Davis\uff09\u00a7 \u8fde\u63a5\u53c2\u6570\u901a\u8fc7 CREATE SUBSCRIPTION ... SERVER \u5f15\u7528\u3002", "title": "\u5141\u8bb8 CREATE SUBSCRIPTION \u4f7f\u7528postgres_fdw\u5916\u90e8\u6570\u636e\u5305\u88c5\u5668\u8fde\u63a5\u53c2\u6570", "commits": ["8185bb534"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "5b59a781b1ae38d4a222ffe38b2c4316f3e5eeb8064465fad551e729ace5fcc4", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["8185bb534"]], "identity_text": "Allow CREATE SUBSCRIPTION to use postgres-fdw foreign data wrapper connection parameters (Jeff Davis) The connection parameters are referenced via CREATE SUBSCRIPTION ... SERVER.", "commit_aliases": ["8185bb534"], "source_commits": ["8185bb534"], "source_entry_id": "19.0/changes/080", "db_id": "47e454508abec09ac7daa7c10f5ece63", "patch_ids": ["febd0018cba9b0e2ffbea6dcc5062e97"], "statement_hash": "852b9e6768aabc1f7c2ba1560b8e9081767eb0bdb63c10c78dff5f1f945a53bb", "relations": [{"rule": 2, "type": "related", "target": "5f133f6beeea4e4cfc7c17b4fc43de69", "evidence": {"same_day": false, "patch_ids": ["febd0018cba9b0e2ffbea6dcc5062e97"], "ambiguous_patch_ids": ["febd0018cba9b0e2ffbea6dcc5062e97"]}}], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-8af09db87ea2dee8", "migration": false}, {"id": "19.0-f0a2911ec12b1891", "cves": [], "html": "

\u5f53 wal_level \u4e3a \"replica\" \u65f6\uff0c\u5141\u8bb8\u5728\u9700\u8981\u65f6\u81ea\u52a8\u542f\u7528\u903b\u8f91\u590d\u5236\uff08Masahiko Sawada\uff09\u00a7

\n

\u65b0\u589e\u7684\u670d\u52a1\u5668\u53d8\u91cf effective_wal_level\uff0c\u4ee5\u53ca\u7a0b\u5e8fpg_controldata\u548c\u51fd\u6570 pg_control_checkpoint()\uff0c\u90fd\u4f1a\u62a5\u544a\u6709\u6548 WAL \u7ea7\u522b\u3002

", "text": "\u5f53 wal_level \u4e3a \"replica\" \u65f6\uff0c\u5141\u8bb8\u5728\u9700\u8981\u65f6\u81ea\u52a8\u542f\u7528\u903b\u8f91\u590d\u5236\uff08Masahiko Sawada\uff09\u00a7 \u65b0\u589e\u7684\u670d\u52a1\u5668\u53d8\u91cf effective_wal_level\uff0c\u4ee5\u53ca\u7a0b\u5e8fpg_controldata\u548c\u51fd\u6570 pg_control_checkpoint()\uff0c\u90fd\u4f1a\u62a5\u544a\u6709\u6548 WAL \u7ea7\u522b\u3002", "title": "\u5f53 wal_level \u4e3a \"replica\" \u65f6\uff0c\u5141\u8bb8\u5728\u9700\u8981\u65f6\u81ea\u52a8\u542f\u7528\u903b\u8f91\u590d\u5236", "commits": ["67c20979c"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "f54aa21d322b5e6cb226b1ba121bfe28deaa378fb85d008cf390f29a8eca5e7f", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["67c20979c"]], "identity_text": "When server variable wal_level is replica, allow automatic enablement of logical replication when needed (Masahiko Sawada) New server variable effective_wal_level, application pg_controldata, and function pg_control_checkpoint() report the effective WAL level.", "commit_aliases": ["67c20979c"], "source_commits": ["67c20979c"], "source_entry_id": "19.0/changes/081", "db_id": "b156408eaee32da05c4e148c9ad5cb4e", "patch_ids": ["1b447ce3fc7c212bd0078cbf09acbada"], "statement_hash": "fb8817161b2c95ca04bc5e654fe4ff0277fffbd2d23afd38885de50ebbc5f9d3", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-f0a2911ec12b1891", "migration": false}, {"id": "19.0-85073c238ff45842", "cves": [], "html": "

\u5141\u8bb8\u6309\u8ba2\u9605\u548c\u7528\u6237\u8bbe\u7f6e wal_receiver_timeout\uff08Fujii Masao\uff09\u00a7\u00a7

\n

\u8fd9\u5141\u8bb8\u4e0d\u540c\u8ba2\u9605\u7aef\u4f7f\u7528\u4e0d\u540c\u7684 wal_receiver_timeout \u503c\u3002

", "text": "\u5141\u8bb8\u6309\u8ba2\u9605\u548c\u7528\u6237\u8bbe\u7f6e wal_receiver_timeout\uff08Fujii Masao\uff09\u00a7\u00a7 \u8fd9\u5141\u8bb8\u4e0d\u540c\u8ba2\u9605\u7aef\u4f7f\u7528\u4e0d\u540c\u7684 wal_receiver_timeout \u503c\u3002", "title": "\u5141\u8bb8\u6309\u8ba2\u9605\u548c\u7528\u6237\u8bbe\u7f6e wal_receiver_timeout", "commits": ["8a6af3ad0", "fb80f388f"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "b5d367b96ca6484ffda31390e759a24cc6f2f77736a0faf4f738e66f3bc52cd0", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["8a6af3ad0"], ["fb80f388f"]], "identity_text": "Allow wal_receiver_timeout to be set per-subscription and user (Fujii Masao) This allows subscribers to use different wal_receiver_timeout values.", "commit_aliases": ["8a6af3ad0", "fb80f388f"], "source_commits": ["8a6af3ad0", "fb80f388f"], "source_entry_id": "19.0/changes/082", "db_id": "fff6b4278c91db1954d8a063023528f7", "patch_ids": ["4762611feb8b656d7d6576e269990dbc", "9b99cbeed684d26ae90dd81120affee5"], "statement_hash": "a975a735faf6ba59286ec0651e9050d9e76e6a39880097aca6149a2f5a313191", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-85073c238ff45842", "migration": false}, {"id": "19.0-6f7107a4eb17af78", "cves": [], "html": "

\u65b0\u589e\u53ef\u9009 pid \u53c2\u6570\u5230 pg_replication_origin_session_setup()\uff0c\u4ee5\u5141\u8bb8 SQL \u7ea7\u590d\u5236\u65b9\u6848\u5e76\u884c\u5316\uff08Doruk Yilmaz\uff0cHayato Kuroda\uff09\u00a7

", "text": "\u65b0\u589e\u53ef\u9009 pid \u53c2\u6570\u5230 pg_replication_origin_session_setup()\uff0c\u4ee5\u5141\u8bb8 SQL \u7ea7\u590d\u5236\u65b9\u6848\u5e76\u884c\u5316\uff08Doruk Yilmaz\uff0cHayato Kuroda\uff09\u00a7", "title": "\u65b0\u589e\u53ef\u9009 pid \u53c2\u6570\u5230 pg_replication_origin_session_setup()\uff0c\u4ee5\u5141\u8bb8 SQL \u7ea7\u590d\u5236\u65b9\u6848\u5e76\u884c\u5316", "commits": ["5b148706c"], "section": "\u670d\u52a1\u5668 / \u903b\u8f91\u590d\u5236", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LOGICAL", "source_hash": "6cf0cc99aa0de0d81c2c485689858b16ca6e18ff12b32acd03cdef1406881557", "section_path": ["\u670d\u52a1\u5668", "\u903b\u8f91\u590d\u5236"], "commit_groups": [["5b148706c"]], "identity_text": "Add optional pid parameter to pg_replication_origin_session_setup() to allow parallelization of SQL-level replication solutions (Doruk Yilmaz, Hayato Kuroda)", "commit_aliases": ["5b148706c"], "source_commits": ["5b148706c"], "source_entry_id": "19.0/changes/083", "db_id": "10e10044a97f6745d8d2a55bb0a4a335", "patch_ids": ["6f814eee337708f4b09c14341d2d4d56"], "statement_hash": "1ef80b924bc3348cedd377c2225455261f04f7fb4d562626cbaa193aee11d86b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-6f7107a4eb17af78", "migration": false}, {"id": "19.0-8df9a60d26022ffb", "cves": [], "html": "

\u5141\u8bb8 GROUP BY \u5904\u7406\u76ee\u6807\u5217\u8868\u4e2d\u7684\u5b50\u67e5\u8be2\uff0c\u5373\u4f7f\u5176\u4e2d\u7684\u8868\u8fbe\u5f0f\u5f15\u7528\u4e86\u5b50\u67e5\u8be2\u4e4b\u5916\u7684\u5217\uff08Tom Lane\uff09\u00a7

\n

\u540c\u65f6\u4fee\u590d\u4e86 GROUPING() \u5904\u7406\u76ee\u6807\u5217\u8868\u4e2d\u7684\u5b50\u67e5\u8be2\u522b\u540d\u65f6\u7684\u4e00\u4e2a bug\u3002

", "text": "\u5141\u8bb8 GROUP BY \u5904\u7406\u76ee\u6807\u5217\u8868\u4e2d\u7684\u5b50\u67e5\u8be2\uff0c\u5373\u4f7f\u5176\u4e2d\u7684\u8868\u8fbe\u5f0f\u5f15\u7528\u4e86\u5b50\u67e5\u8be2\u4e4b\u5916\u7684\u5217\uff08Tom Lane\uff09\u00a7 \u540c\u65f6\u4fee\u590d\u4e86 GROUPING() \u5904\u7406\u76ee\u6807\u5217\u8868\u4e2d\u7684\u5b50\u67e5\u8be2\u522b\u540d\u65f6\u7684\u4e00\u4e2a bug\u3002", "title": "\u5141\u8bb8 GROUP BY \u5904\u7406\u76ee\u6807\u5217\u8868\u4e2d\u7684\u5b50\u67e5\u8be2\uff0c\u5373\u4f7f\u5176\u4e2d\u7684\u8868\u8fbe\u5f0f\u5f15\u7528\u4e86\u5b50\u67e5\u8be2\u4e4b\u5916\u7684\u5217", "commits": ["415100aa6"], "section": "\u67e5\u8be2\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-QUERY", "source_hash": "c969b731a919d4ee9e9931d9dada8bf77efa7eb7867882237d8059c12abbfb8d", "section_path": ["\u67e5\u8be2\u547d\u4ee4"], "commit_groups": [["415100aa6"]], "identity_text": "Allow GROUP BY to process target list subqueries that have expressions referencing non-subquery columns (Tom Lane) Also fix a bug in how GROUPING() handles target list subquery aliases.", "commit_aliases": ["415100aa6"], "source_commits": ["415100aa6"], "source_entry_id": "19.0/changes/084", "db_id": "7b826edf8ca7e11fa78fcdb327a6542f", "patch_ids": ["ff9a81072e25cbb2930ae0d12bea809e"], "statement_hash": "2eeda24a87cfc5d18569e86160dfbbe9f810adef674ac89d561dc2bccf0ab1b5", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-8df9a60d26022ffb", "migration": false}, {"id": "19.0-45dd0b4675226480", "cves": [], "html": "

\u5141\u8bb8\u7a97\u53e3\u51fd\u6570\u4f7f\u7528 IGNORE NULLS/RESPECT NULLS \u5b50\u53e5\u5ffd\u7565 NULL\uff08Oliver Ford\uff0cTatsuo Ishii\uff09\u00a7

\n

\u652f\u6301\u7684\u7a97\u53e3\u51fd\u6570\u6709 lead()\u3001lag()\u3001first_value()\u3001last_value() \u548c nth_value()\u3002

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\u65b0\u589e INSERT ... ON CONFLICT DO SELECT ... RETURNING \u652f\u6301\uff08Andreas Karlsson\uff0cMarko Tiikkaja\uff0cViktor Holmberg\uff09\u00a7

\n

\u8fd9\u5141\u8bb8\u8fd4\u56de\u51b2\u7a81\u884c\uff0c\u5e76\u53ef\u9009\u7528 FOR UPDATE/SHARE \u52a0\u9501\u3002

", "text": "\u65b0\u589e INSERT ... ON CONFLICT DO SELECT ... RETURNING \u652f\u6301\uff08Andreas Karlsson\uff0cMarko Tiikkaja\uff0cViktor Holmberg\uff09\u00a7 \u8fd9\u5141\u8bb8\u8fd4\u56de\u51b2\u7a81\u884c\uff0c\u5e76\u53ef\u9009\u7528 FOR UPDATE/SHARE \u52a0\u9501\u3002", "title": "\u65b0\u589e INSERT ... ON CONFLICT DO SELECT ... RETURNING \u652f\u6301", "commits": ["88327092f"], "section": "\u67e5\u8be2\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-QUERY", "source_hash": "a31d264335380289e428eab9a7ff3fb352cf20d8401904d1c591637d0d678504", "section_path": ["\u67e5\u8be2\u547d\u4ee4"], "commit_groups": [["88327092f"]], "identity_text": "Add support for INSERT ... ON CONFLICT DO SELECT ... RETURNING (Andreas Karlsson, Marko Tiikkaja, Viktor Holmberg) This allows conflicting rows to be returned, and optionally locked with FOR UPDATE/SHARE.", "commit_aliases": ["88327092f"], "source_commits": ["88327092f"], "source_entry_id": "19.0/changes/086", "db_id": "e2a3b88e98a0effa6c84811c4014a0a5", "patch_ids": ["8f40ec27c413c9929a8aae9b9d6d2f9f"], "statement_hash": "12622a20ef823f3e1cd7aa5d9891b3e572a5ebac45e07240eaf4e2179df0acb7", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-c8ac3f6cefddf54f", "migration": false}, {"id": "19.0-2b5a7cb482da1aa9", "cves": [], "html": "

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\n

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", "text": "\u65b0\u589e REPACK \u547d\u4ee4\uff0c\u7528\u4e8e\u66ff\u4ee3 VACUUM FULL \u548c CLUSTER\uff08Antonin Houska\uff09\u00a7 \u524d\u4e24\u4e2a\u547d\u4ee4\u6267\u884c\u7c7b\u4f3c\u7684\u64cd\u4f5c\uff0c\u4f46\u540d\u79f0\u5bb9\u6613\u5f15\u8d77\u6df7\u6dc6\uff0c\u56e0\u6b64\u5c06\u5b83\u4eec\u7edf\u4e00\u4e3a REPACK\u3002\u65e7\u547d\u4ee4\u4ecd\u4e88\u4fdd\u7559\uff0c\u4ee5\u4fdd\u6301\u517c\u5bb9\u6027\u3002", "title": "\u65b0\u589e REPACK \u547d\u4ee4\uff0c\u7528\u4e8e\u66ff\u4ee3 VACUUM FULL \u548c CLUSTER", "commits": ["ac58465e0"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "630cec51a1602d8623f7f85c8f4365837bb6923352b6c1aafca77489a08c6cdf", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["ac58465e0"]], "identity_text": "Add REPACK command which replaces VACUUM FULL and CLUSTER (Antonin Houska) The two former commands did similar things, but with confusing names, so unify them as REPACK. The old commands have been retained for compatibility.", "commit_aliases": ["ac58465e0"], "source_commits": ["ac58465e0"], "source_entry_id": "19.0/changes/087", "db_id": "8f43f4e6977627cde85434089db0dcbe", "patch_ids": ["72720531b76f8f1ae5f8cfe24294dead"], "statement_hash": "8aa8d080a5763457851b51f1b6e3fbad9975b3f716044e9630d4dfcaa39b4069", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-2b5a7cb482da1aa9", "migration": false}, {"id": "19.0-1012c7ab2bdf0c62", "cves": [], "html": "

\u5141\u8bb8 REPACK \u5728\u4e0d\u83b7\u53d6 ACCESS EXCLUSIVE \u9501\u7684\u60c5\u51b5\u4e0b\u91cd\u5efa\u8868\uff08Antonin Houska\uff0cMihail Nikalayeu\uff0c\u00c1lvaro Herrera\uff09\u00a7\u00a7\u00a7

\n

\u901a\u8fc7 CONCURRENTLY \u9009\u9879\u542f\u7528\u3002\u8fd8\u65b0\u589e\u4e86\u670d\u52a1\u5668\u53d8\u91cf max_repack_replication_slots\u3002

", "text": "\u5141\u8bb8 REPACK \u5728\u4e0d\u83b7\u53d6 ACCESS EXCLUSIVE \u9501\u7684\u60c5\u51b5\u4e0b\u91cd\u5efa\u8868\uff08Antonin Houska\uff0cMihail Nikalayeu\uff0c\u00c1lvaro Herrera\uff09\u00a7\u00a7\u00a7 \u901a\u8fc7 CONCURRENTLY \u9009\u9879\u542f\u7528\u3002\u8fd8\u65b0\u589e\u4e86\u670d\u52a1\u5668\u53d8\u91cf max_repack_replication_slots\u3002", "title": "\u5141\u8bb8 REPACK \u5728\u4e0d\u83b7\u53d6 ACCESS EXCLUSIVE \u9501\u7684\u60c5\u51b5\u4e0b\u91cd\u5efa\u8868", "commits": ["28d534e2a", "8fb95a8ab", "e76d8c749"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "081c3bafd32fe09532f32fb03fe4d58c1641f1f052e558c04f89901ae5b9223c", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["28d534e2a"], ["8fb95a8ab"], ["e76d8c749"]], "identity_text": "Allow REPACK to rebuild tables without access-exclusive locking (Antonin Houska, Mihail Nikalayeu, \u00c1lvaro Herrera) This is enabled via the CONCURRENTLY option. Server variable max_repack_replication_slots was also added.", "commit_aliases": ["28d534e2a", "8fb95a8ab", "e76d8c749"], "source_commits": ["28d534e2a", "8fb95a8ab", "e76d8c749"], "source_entry_id": "19.0/changes/088", "db_id": "4fa6b1815627146fe52e9fa63e15bab3", "patch_ids": ["5470d4b92cfc988f8d5b09d391acfc28", "92693606a33231c9a1b5a5ea7331dc3c", "ed58e7ae4e17679a610cb766e27eabdb"], "statement_hash": "75e285708c4cb3bba55af078faf2ad320270e52b74c12f70f18246f26317851f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-1012c7ab2bdf0c62", "migration": false}, {"id": "19.0-408b6ed4fa9fd82a", "cves": [], "html": "

\u5141\u8bb8 GRANT/REVOKE \u6307\u5b9a\u6267\u884c\u6743\u9650\u8c03\u6574\u7684\u6709\u6548\u89d2\u8272\uff08Nathan Bossart\uff0cTom Lane\uff09\u00a7

\n

\u901a\u8fc7 GRANTED BY \u5b50\u53e5\u63a7\u5236\u3002

", "text": "\u5141\u8bb8 GRANT/REVOKE \u6307\u5b9a\u6267\u884c\u6743\u9650\u8c03\u6574\u7684\u6709\u6548\u89d2\u8272\uff08Nathan Bossart\uff0cTom Lane\uff09\u00a7 \u901a\u8fc7 GRANTED BY \u5b50\u53e5\u63a7\u5236\u3002", "title": "\u5141\u8bb8 GRANT/REVOKE \u6307\u5b9a\u6267\u884c\u6743\u9650\u8c03\u6574\u7684\u6709\u6548\u89d2\u8272", "commits": ["dd1398f13"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "3a2dee1a3fd7222bc6f27819d0deb2413a9634a278d7dce7f891c6af8f2cd504", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["dd1398f13"]], "identity_text": "Allow GRANT/REVOKE to specify the effective role performing the privileges adjustment (Nathan Bossart, Tom Lane) The GRANTED BY clause controls this.", "commit_aliases": ["dd1398f13"], "source_commits": ["dd1398f13"], "source_entry_id": "19.0/changes/089", "db_id": "1d507c7d53dc5fc242fe1e2c4534361a", "patch_ids": ["5552f58b479fba69c769bcdfa079b225"], "statement_hash": "32de521e03d44fc8a9ad53f5deb3dbfb0c896a52d61a7efe01bbd3393a281b40", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-408b6ed4fa9fd82a", "migration": false}, {"id": "19.0-3b57314d11cf41de", "cves": [], "html": "

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", "text": "\u652f\u6301\u5728 CREATE SCHEMA \u5185\u7684 FOREIGN KEY \u7ea6\u675f\u5b50\u53e5\u4e2d\u4f7f\u7528\u524d\u5411\u5f15\u7528\uff08Jian He\uff0cTom Lane\uff09\u00a7", "title": "\u652f\u6301\u5728 CREATE SCHEMA \u5185\u7684 FOREIGN KEY \u7ea6\u675f\u5b50\u53e5\u4e2d\u4f7f\u7528\u524d\u5411\u5f15\u7528", "commits": ["404db8f9e"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "d92be051c84d6e86ddc18f18fd59abc10cd6814ab671684806459bd44e452a0f", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["404db8f9e"]], "identity_text": "Support forward references in FOREIGN KEY constraint clauses within CREATE SCHEMA (Jian He, Tom Lane)", "commit_aliases": ["404db8f9e"], "source_commits": ["404db8f9e"], "source_entry_id": "19.0/changes/090", "db_id": "a030d232dae44097057e87c961e0d719", "patch_ids": ["417529d51611637068ea91e3a5598101"], "statement_hash": "0d2d12d555ba647d0361bc0b3997cccd7bbcb911e591eae0a057ee864d34eaca", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-3b57314d11cf41de", "migration": false}, {"id": "19.0-cd8612a9c2790622", "cves": [], "html": "

\u5141\u8bb8 CHECKPOINT \u63a5\u53d7\u9009\u9879\u5217\u8868\uff08Christoph Berg\uff09\u00a7\u00a7\u00a7

\n

\u652f\u6301\u7684\u9009\u9879\u4e3a MODE \u548c FLUSH_UNLOGGED\u3002

", "text": "\u5141\u8bb8 CHECKPOINT \u63a5\u53d7\u9009\u9879\u5217\u8868\uff08Christoph Berg\uff09\u00a7\u00a7\u00a7 \u652f\u6301\u7684\u9009\u9879\u4e3a MODE \u548c FLUSH_UNLOGGED\u3002", "title": "\u5141\u8bb8 CHECKPOINT \u63a5\u53d7\u9009\u9879\u5217\u8868", "commits": ["2f698d7f4", "8d33fbacb", "a4f126516"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "d644ff2d10dc9c00ea6bdccc7367cb8353977e582a571dd09c11613d4db1e645", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["2f698d7f4"], ["8d33fbacb"], ["a4f126516"]], "identity_text": "Allow CHECKPOINT to accept a list of options (Christoph Berg) Supported options are MODE and FLUSH_UNLOGGED.", "commit_aliases": ["2f698d7f4", "8d33fbacb", "a4f126516"], "source_commits": ["2f698d7f4", "8d33fbacb", "a4f126516"], "source_entry_id": "19.0/changes/091", "db_id": "16c0c2ab318ab0b6abb8481c56eb3c73", "patch_ids": ["6530b6dd276ce99090984339db4f966a", "b2ea7f4532560e0f93f946bd1ad65cf3", "d5e89446328e23bde303f46ae736809a"], "statement_hash": "ae2ff63033ae887ee2e199bed6feb1e7647b6ee074f37b1e0ba6acfa534bfd7a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-cd8612a9c2790622", "migration": false}, {"id": "19.0-e8531725126db94b", "cves": [], "html": "

\u65b0\u589e CONNECTION \u5b50\u53e5\u5230 CREATE FOREIGN DATA WRAPPER\uff0c\u7528\u4e8e\u6307\u5b9a\u5c06\u4e3a\u8ba2\u9605\u8fde\u63a5\u53c2\u6570\u8c03\u7528\u7684\u51fd\u6570\uff08Jeff Davis\uff0cNoriyoshi Shinoda\uff09\u00a7\u00a7

", "text": "\u65b0\u589e CONNECTION \u5b50\u53e5\u5230 CREATE FOREIGN DATA WRAPPER\uff0c\u7528\u4e8e\u6307\u5b9a\u5c06\u4e3a\u8ba2\u9605\u8fde\u63a5\u53c2\u6570\u8c03\u7528\u7684\u51fd\u6570\uff08Jeff Davis\uff0cNoriyoshi Shinoda\uff09\u00a7\u00a7", "title": "\u65b0\u589e CONNECTION \u5b50\u53e5\u5230 CREATE FOREIGN DATA WRAPPER\uff0c\u7528\u4e8e\u6307\u5b9a\u5c06\u4e3a\u8ba2\u9605\u8fde\u63a5\u53c2\u6570\u8c03\u7528\u7684\u51fd\u6570", "commits": ["8185bb534", "90630ec42"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "2331510708ff3568fdc62c43abaa6ebd99180a57a890a61d72b21b15de2256d2", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["8185bb534"], ["90630ec42"]], "identity_text": "Add CONNECTION clause to CREATE FOREIGN DATA WRAPPER to specify a function to be called for subscription connection parameters (Jeff Davis, Noriyoshi Shinoda)", "commit_aliases": ["8185bb534", "90630ec42"], "source_commits": ["8185bb534", "90630ec42"], "source_entry_id": "19.0/changes/092", "db_id": "5f133f6beeea4e4cfc7c17b4fc43de69", "patch_ids": ["faf351cd42e202b83aa8a85635d9341f", "febd0018cba9b0e2ffbea6dcc5062e97"], "statement_hash": "39146283f620f6e16d5d9cbd8d10a71b483147562f21949a6306fc1cfa4756c5", "relations": [{"rule": 2, "type": "related", "target": "47e454508abec09ac7daa7c10f5ece63", "evidence": {"same_day": false, "patch_ids": ["febd0018cba9b0e2ffbea6dcc5062e97"], "ambiguous_patch_ids": ["febd0018cba9b0e2ffbea6dcc5062e97"]}}], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-e8531725126db94b", "migration": false}, {"id": "19.0-12f838aaeeda6aa4", "cves": [], "html": "

\u4e3a CREATE AGGREGATE \u65b0\u589e SUPPORT \u5b50\u53e5\uff0c\u4f7f\u6269\u5c55\u53ef\u4ee5\u6307\u5b9a\u652f\u6301\u51fd\u6570\u6765\u4f18\u5316\u805a\u5408\u8c03\u7528\uff08Tom Lane\uff09\u00a7

", "text": "\u4e3a CREATE AGGREGATE \u65b0\u589e SUPPORT \u5b50\u53e5\uff0c\u4f7f\u6269\u5c55\u53ef\u4ee5\u6307\u5b9a\u652f\u6301\u51fd\u6570\u6765\u4f18\u5316\u805a\u5408\u8c03\u7528\uff08Tom Lane\uff09\u00a7", "title": "\u4e3a CREATE AGGREGATE \u65b0\u589e SUPPORT \u5b50\u53e5\uff0c\u4f7f\u6269\u5c55\u53ef\u4ee5\u6307\u5b9a\u652f\u6301\u51fd\u6570\u6765\u4f18\u5316\u805a\u5408\u8c03\u7528", "commits": ["165aa5040"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "4adbfa7e4ed74b2d875ed4083192fb236db8707a0c5c8528784ebe9d7ecc2215", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["165aa5040"]], "identity_text": "Add SUPPORT clause to CREATE AGGREGATE so extensions can specify support functions to optimize aggregate calls (Tom Lane)", "commit_aliases": ["165aa5040"], "source_commits": ["165aa5040"], "source_entry_id": "19.0/changes/093", "db_id": "7f34663e8a95242f473169207150d9a7", "patch_ids": ["1242e00c743fcef88eeae6549eac1176"], "statement_hash": "db54531e43c8455dcea0bd59907b76c1a88adc0cc3f2394613a019143d573d7f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-12f838aaeeda6aa4", "migration": false}, {"id": "19.0-14f0420e91cf5aeb", "cves": [], "html": "

\u5728 VACUUM (VERBOSE) \u548c\u81ea\u52a8\u6e05\u7406\u65e5\u5fd7\u4e2d\u65b0\u589e\u5185\u5b58\u4f7f\u7528\u548c\u5e76\u884c\u5ea6\u62a5\u544a\uff08Tatsuya Kawata\uff0cDaniil Davydov\uff09\u00a7\u00a7

", "text": "\u5728 VACUUM (VERBOSE) \u548c\u81ea\u52a8\u6e05\u7406\u65e5\u5fd7\u4e2d\u65b0\u589e\u5185\u5b58\u4f7f\u7528\u548c\u5e76\u884c\u5ea6\u62a5\u544a\uff08Tatsuya Kawata\uff0cDaniil Davydov\uff09\u00a7\u00a7", "title": "\u5728 VACUUM (VERBOSE) \u548c\u81ea\u52a8\u6e05\u7406\u65e5\u5fd7\u4e2d\u65b0\u589e\u5185\u5b58\u4f7f\u7528\u548c\u5e76\u884c\u5ea6\u62a5\u544a", "commits": ["736f754ee", "adcdbe938"], "section": "\u5b9e\u7528\u547d\u4ee4", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-UTILITY", "source_hash": "f38585cef8c7f3c0270764dfc3e34c97746d6937951213f4b671a16953c738bb", "section_path": ["\u5b9e\u7528\u547d\u4ee4"], "commit_groups": [["736f754ee"], ["adcdbe938"]], "identity_text": "Add memory usage and parallelism reporting to VACUUM (VERBOSE) and autovacuum logs (Tatsuya Kawata, Daniil Davydov)", "commit_aliases": ["736f754ee", "adcdbe938"], "source_commits": ["736f754ee", "adcdbe938"], "source_entry_id": "19.0/changes/094", "db_id": "0cdc44f7c352ccf972b3f4e4cab7ec3a", "patch_ids": ["5eb6a0527d43cf5479bc4c9a473687e4", "c374375304847fc9131392904a492452"], "statement_hash": "0b0bdf3d64a37736b65e0ec58cc8802287e0f9201ecf288c3d66011967c83d74", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-14f0420e91cf5aeb", "migration": false}, {"id": "19.0-6802e760e47743f8", "cves": [], "html": "

\u5141\u8bb8\u4f7f\u7528 ALTER TABLE ALTER CONSTRAINT ... [NOT] ENFORCED \u4fee\u6539 CHECK \u7ea6\u675f\uff08Jian He\uff09\u00a7

\n

\u6b64\u524d\u53ea\u6709\u5916\u952e\u7ea6\u675f\u652f\u6301\u66f4\u6539\u5f3a\u5236\u6267\u884c\u72b6\u6001\u3002

", "text": "\u5141\u8bb8\u4f7f\u7528 ALTER TABLE ALTER CONSTRAINT ... [NOT] ENFORCED \u4fee\u6539 CHECK \u7ea6\u675f\uff08Jian He\uff09\u00a7 \u6b64\u524d\u53ea\u6709\u5916\u952e\u7ea6\u675f\u652f\u6301\u66f4\u6539\u5f3a\u5236\u6267\u884c\u72b6\u6001\u3002", "title": "\u5141\u8bb8\u4f7f\u7528 ALTER TABLE ALTER CONSTRAINT ... [NOT] ENFORCED \u4fee\u6539 CHECK \u7ea6\u675f", "commits": ["342051d73"], "section": "\u5b9e\u7528\u547d\u4ee4 / \u7ea6\u675f", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-CONSTRAINTS", "source_hash": "59987e86b56cfee4e8c516b2af161abe361b198473f75625fa488ce050eda323", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "\u7ea6\u675f"], "commit_groups": [["342051d73"]], "identity_text": "Allow ALTER TABLE ALTER CONSTRAINT ... [NOT] ENFORCED for CHECK constraints (Jian He) Previously enforcement changes were only supported for foreign key constraints.", "commit_aliases": ["342051d73"], "source_commits": ["342051d73"], "source_entry_id": "19.0/changes/095", "db_id": "55915420081329c439adbcc41b75c155", "patch_ids": ["250565e38eddc1be4c0b9329b8d17ed9"], "statement_hash": "08ad7dcf1b13ccb659e6746561b917ccdb0988d6f6241b71489006dc339388cc", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-6802e760e47743f8", "migration": false}, {"id": "19.0-e6014fdde753cd9e", "cves": [], "html": "

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\n

\u6b64\u524d\u8fd9\u662f\u88ab\u7981\u6b62\u7684\u3002

", "text": "\u5141\u8bb8\u5728\u865a\u62df\u5217\u4e0a\u6210\u529f\u6267\u884c ALTER TABLE ... COLUMN SET EXPRESSION\uff0c\u5373\u4f7f\u5b83\u5e26\u6709 CHECK \u7ea6\u675f\uff08Jian He\uff09\u00a7 \u6b64\u524d\u8fd9\u662f\u88ab\u7981\u6b62\u7684\u3002", "title": "\u5141\u8bb8\u5728\u865a\u62df\u5217\u4e0a\u6210\u529f\u6267\u884c ALTER TABLE ... COLUMN SET EXPRESSION\uff0c\u5373\u4f7f\u5b83\u5e26\u6709 CHECK \u7ea6\u675f", "commits": ["f80bedd52"], "section": "\u5b9e\u7528\u547d\u4ee4 / \u7ea6\u675f", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-CONSTRAINTS", "source_hash": "14269a8de80a7ac83d0de53334935a73013e09e60261599a0695a77127c07d37", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "\u7ea6\u675f"], "commit_groups": [["f80bedd52"]], "identity_text": "Allow ALTER TABLE ... COLUMN SET EXPRESSION to succeed on virtual columns with CHECK constraints (Jian He) This was previously prohibited.", "commit_aliases": ["f80bedd52"], "source_commits": ["f80bedd52"], "source_entry_id": "19.0/changes/096", "db_id": "719650dd55687b1d229757e6fc2b2d76", "patch_ids": ["638ada60613f5b5c1d2e3938cfc3c57d"], "statement_hash": "b7e3c7509d7d7a6f40c833dc8faf0c1b6189d02d88ec226ae4acae22ccc46dde", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-e6014fdde753cd9e", "migration": false}, {"id": "19.0-07cba192165856da", "cves": [], "html": "

\u5141\u8bb8 COPY FROM \u8df3\u8fc7\u591a\u884c\u8868\u5934\uff08Shinya Kato\uff0cFujii Masao\uff09\u00a7

\n

\u6b64\u524d\u53ea\u80fd\u8df3\u8fc7\u4e00\u884c\u8868\u5934\u3002

", "text": "\u5141\u8bb8 COPY FROM \u8df3\u8fc7\u591a\u884c\u8868\u5934\uff08Shinya Kato\uff0cFujii Masao\uff09\u00a7 \u6b64\u524d\u53ea\u80fd\u8df3\u8fc7\u4e00\u884c\u8868\u5934\u3002", "title": "\u5141\u8bb8 COPY FROM \u8df3\u8fc7\u591a\u884c\u8868\u5934", "commits": ["bc2f348e8"], "section": "\u5b9e\u7528\u547d\u4ee4 / COPY", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-COPY", "source_hash": "a5ea76193731276bde664acb67390f8ca66e4b28e5fe6f2356bd94e59c267a28", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "COPY"], "commit_groups": [["bc2f348e8"]], "identity_text": "Allow multiple headers lines to be skipped by COPY FROM (Shinya Kato, Fujii Masao) Previously only a single header line could be skipped.", "commit_aliases": ["bc2f348e8"], "source_commits": ["bc2f348e8"], "source_entry_id": "19.0/changes/097", "db_id": "9e69371e828ab9188c2acff849734796", "patch_ids": ["05e2d08f24f6389cee7e47f4b967632f"], "statement_hash": "8b018f13b141716433f2b822df1fff84f0687b9057f813d40f36d04cf818f38c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-07cba192165856da", "migration": false}, {"id": "19.0-7ed8f05578b99096", "cves": [], "html": "

\u5141\u8bb8 COPY FROM \u628a\u65e0\u6548\u8f93\u5165\u503c\u8bbe\u7f6e\u4e3a NULL\uff08Jian He\uff0cKirill Reshke\uff09\u00a7

\n

\u901a\u8fc7 COPY \u9009\u9879 ON_ERROR SET_NULL \u5b9e\u73b0\u3002

", "text": "\u5141\u8bb8 COPY FROM \u628a\u65e0\u6548\u8f93\u5165\u503c\u8bbe\u7f6e\u4e3a NULL\uff08Jian He\uff0cKirill Reshke\uff09\u00a7 \u901a\u8fc7 COPY \u9009\u9879 ON_ERROR SET_NULL \u5b9e\u73b0\u3002", "title": "\u5141\u8bb8 COPY FROM \u628a\u65e0\u6548\u8f93\u5165\u503c\u8bbe\u7f6e\u4e3a NULL", "commits": ["2a525cc97"], "section": "\u5b9e\u7528\u547d\u4ee4 / COPY", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-COPY", "source_hash": "411b5af6288019d0864a318b65117743e196f4be2b09d7b3b6e3d5b25b3c076c", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "COPY"], "commit_groups": [["2a525cc97"]], "identity_text": "Allow COPY FROM to set invalid input values to NULL (Jian He, Kirill Reshke) This is done using the COPY option ON_ERROR SET_NULL.", "commit_aliases": ["2a525cc97"], "source_commits": ["2a525cc97"], "source_entry_id": "19.0/changes/098", "db_id": "21a312a7b331df0eb0ab4f6b89ed7a9a", "patch_ids": ["8602a6751d550c8bec8f9776978131c9"], "statement_hash": "37b776ff346f7746bbc976b9ff80fa7f92e77f43be6e8fcf030e58963a57a4f9", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-7ed8f05578b99096", "migration": false}, {"id": "19.0-1006776340ef2fd6", "cves": [], "html": "

\u5141\u8bb8 COPY TO \u8f93\u51fa JSON \u683c\u5f0f\uff08Joe Conway\uff0cJian He\uff0cAndrew Dunstan\uff09\u00a7 \u00a7

\n

\u8fd8\u53ef\u4ee5\u628a JSON \u8f93\u51fa\u751f\u6210\u4e3a\u5355\u4e2a JSON \u6570\u7ec4\uff0c\u65b9\u6cd5\u662f\u4f7f\u7528 COPY \u9009\u9879 FORCE_ARRAY\u3002

", "text": "\u5141\u8bb8 COPY TO \u8f93\u51fa JSON \u683c\u5f0f\uff08Joe Conway\uff0cJian He\uff0cAndrew Dunstan\uff09\u00a7 \u00a7 \u8fd8\u53ef\u4ee5\u628a JSON \u8f93\u51fa\u751f\u6210\u4e3a\u5355\u4e2a JSON \u6570\u7ec4\uff0c\u65b9\u6cd5\u662f\u4f7f\u7528 COPY \u9009\u9879 FORCE_ARRAY\u3002", "title": "\u5141\u8bb8 COPY TO \u8f93\u51fa JSON \u683c\u5f0f", "commits": ["4c0390ac5", "7dadd38cd"], "section": "\u5b9e\u7528\u547d\u4ee4 / COPY", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-COPY", "source_hash": "ab055af4a41ee3cf8d0b6f8f004d9489d1ec3215b4c8114329921042bbba57fe", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "COPY"], "commit_groups": [["4c0390ac5"], ["7dadd38cd"]], "identity_text": "Allow COPY TO to output JSON format (Joe Conway, Jian He, Andrew Dunstan) JSON output can also be a single JSON array using the COPY option FORCE_ARRAY.", "commit_aliases": ["4c0390ac5", "7dadd38cd"], "source_commits": ["4c0390ac5", "7dadd38cd"], "source_entry_id": "19.0/changes/099", "db_id": "e626db65bdfc5b639ca4b0cbe3b065b4", "patch_ids": ["1003eee16009c6b31935c95d41625114", "6044d610c82a493183f9c7c70d296766"], "statement_hash": "df60771a015c095320f31f7048d459f41332f9116fc2e2044f18cca22d561d55", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-1006776340ef2fd6", "migration": false}, {"id": "19.0-49731de35745273a", "cves": [], "html": "

\u5141\u8bb8 COPY TO \u5904\u7406\u5206\u533a\u8868\uff08Jian He\uff0cAjin Cherian\uff09\u00a7\u00a7

\n

\u6b64\u524d\u5fc5\u987b\u4f7f\u7528 COPY (SELECT ...) \u624d\u80fd\u8f93\u51fa\u5206\u533a\u8868\u3002\u8fd9\u4e5f\u6539\u8fdb\u4e86\u903b\u8f91\u590d\u5236\u4e2d\u7684\u8868\u540c\u6b65\u3002

", "text": "\u5141\u8bb8 COPY TO \u5904\u7406\u5206\u533a\u8868\uff08Jian He\uff0cAjin Cherian\uff09\u00a7\u00a7 \u6b64\u524d\u5fc5\u987b\u4f7f\u7528 COPY (SELECT ...) \u624d\u80fd\u8f93\u51fa\u5206\u533a\u8868\u3002\u8fd9\u4e5f\u6539\u8fdb\u4e86\u903b\u8f91\u590d\u5236\u4e2d\u7684\u8868\u540c\u6b65\u3002", "title": "\u5141\u8bb8 COPY TO \u5904\u7406\u5206\u533a\u8868", "commits": ["266543a62", "4bea91f21"], "section": "\u5b9e\u7528\u547d\u4ee4 / COPY", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-COPY", "source_hash": "7a4ba98538e27af3bd81def2671ad53f82e42a871643d389b015310364eac4ca", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "COPY"], "commit_groups": [["266543a62"], ["4bea91f21"]], "identity_text": "Allow COPY TO to process partitioned tables (Jian He, Ajin Cherian) Previously COPY (SELECT ...) had to be used to output partitioned tables. This also improves logical replication table synchronization.", "commit_aliases": ["266543a62", "4bea91f21"], "source_commits": ["266543a62", "4bea91f21"], "source_entry_id": "19.0/changes/100", "db_id": "8df18db3c5920c2d3bf566be085cbf59", "patch_ids": ["c5244890a1aa2e88fa88e9e30eae7984", "eb19ba34134e942c28c15630c0426e62"], "statement_hash": "dccc14b6c8331925af51c0c6ff36c27bd88b1cbf57b993533a80d9344d85a4a0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-49731de35745273a", "migration": false}, {"id": "19.0-fc47b3b359c27c50", "cves": [], "html": "

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", "text": "\u65b0\u589e EXPLAIN ANALYZE \u9009\u9879 IO\uff0c\u7528\u4e8e\u62a5\u544a\u5f02\u6b65 I/O \u6d3b\u52a8\uff08Tomas Vondra\uff09\u00a7\u00a7\u00a7", "title": "\u65b0\u589e EXPLAIN ANALYZE \u9009\u9879 IO\uff0c\u7528\u4e8e\u62a5\u544a\u5f02\u6b65 I/O \u6d3b\u52a8", "commits": ["3b1117d6e", "681daed93", "e157fe6f7"], "section": "\u5b9e\u7528\u547d\u4ee4 / EXPLAIN", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-EXPLAIN", "source_hash": "f8980607d55d286c44c2a04d3b3a9922e326c46c929064a5dadafbd369927376", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "EXPLAIN"], "commit_groups": [["3b1117d6e"], ["681daed93"], ["e157fe6f7"]], "identity_text": "Add EXPLAIN ANALYZE option IO to report asynchronous IO activity (Tomas Vondra)", "commit_aliases": ["3b1117d6e", "681daed93", "e157fe6f7"], "source_commits": ["3b1117d6e", "681daed93", "e157fe6f7"], "source_entry_id": "19.0/changes/101", "db_id": "c9b9920fd71621cadfa3de7d17106ca3", "patch_ids": ["745c7a44fb371afe8c071e28f06f4a6c", "af71abcd051d247322ca2cd12e6de750", "b9076b39125167b5cdcc0e73079d6a8e"], "statement_hash": "dbff7373edcc5dd7d5c612c6fd3bca3cb5adab38c509ca897095c97b0285c01d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-fc47b3b359c27c50", "migration": false}, {"id": "19.0-075a42807f7dfb1b", "cves": [], "html": "

\u65b0\u589e WAL \u6574\u9875\u5199\u5165\u5b57\u8282\u6570\u62a5\u544a\u5230 EXPLAIN (ANALYZE, WAL) \u8f93\u51fa\uff08Shinya Kato\uff09\u00a7

", "text": "\u65b0\u589e WAL \u6574\u9875\u5199\u5165\u5b57\u8282\u6570\u62a5\u544a\u5230 EXPLAIN (ANALYZE, WAL) \u8f93\u51fa\uff08Shinya Kato\uff09\u00a7", "title": "\u65b0\u589e WAL \u6574\u9875\u5199\u5165\u5b57\u8282\u6570\u62a5\u544a\u5230 EXPLAIN (ANALYZE, WAL) \u8f93\u51fa", "commits": ["5ab0b6a24"], "section": "\u5b9e\u7528\u547d\u4ee4 / EXPLAIN", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-EXPLAIN", "source_hash": "81d3d84f5f8e85de761bdae08c324c764f3b282aaf75f9abe1031e30be1efcf3", "section_path": ["\u5b9e\u7528\u547d\u4ee4", "EXPLAIN"], "commit_groups": [["5ab0b6a24"]], "identity_text": "Add reporting of WAL full-page write bytes to EXPLAIN (ANALYZE, WAL) output (Shinya Kato)", "commit_aliases": ["5ab0b6a24"], "source_commits": ["5ab0b6a24"], "source_entry_id": "19.0/changes/102", "db_id": "94538c466d0b9338c05a6dea60115cfd", "patch_ids": ["0b3579e25d92b2b18f9325522f393db7"], "statement_hash": "42a88618a9feab76a812fbe5b2bf9abc433def60f07cb5e9931d660906fe19e9", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-075a42807f7dfb1b", "migration": false}, {"id": "19.0-0bf95c0eca4485a9", "cves": [], "html": "

\u5728 EXPLAIN \u8f93\u51fa\u4e2d\u65b0\u589e Memoize \u7f13\u5b58\u548c\u67e5\u627e\u4f30\u8ba1\u503c\uff08Ilia Evdokimov\uff0cLukas Fittl\uff09\u00a7

\n

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\n

\u8fd9\u79cd\u683c\u5f0f\u4fdd\u7559\u987a\u5e8f\uff0c\u4e0d\u50cf base32\u3002

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\n

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", "text": "\u65b0\u589e\u51fd\u6570 error_on_null()\uff0c\u7528\u4e8e\u8fd4\u56de\u63d0\u4f9b\u7684\u53c2\u6570\uff0c\u6216\u5728 NULL \u8f93\u5165\u65f6\u62a5\u544a\u9519\u8bef\uff08Joel Jacobson\uff09\u00a7", "title": "\u65b0\u589e\u51fd\u6570 error_on_null()\uff0c\u7528\u4e8e\u8fd4\u56de\u63d0\u4f9b\u7684\u53c2\u6570\uff0c\u6216\u5728 NULL \u8f93\u5165\u65f6\u62a5\u544a\u9519\u8bef", "commits": ["2b75c38b7"], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-FUNCTIONS", "source_hash": "18379dabd622e75ef2578dd813807bc8cd6e51cdd6060b11537b65747f8f659f", "section_path": ["\u51fd\u6570"], "commit_groups": [["2b75c38b7"]], "identity_text": "Add function error_on_null() to return the supplied parameter, or error on NULL input (Joel Jacobson)", "commit_aliases": ["2b75c38b7"], "source_commits": ["2b75c38b7"], "source_entry_id": "19.0/changes/112", "db_id": "def0cd69c9e13dfd108b029da100d566", "patch_ids": ["6668deefdb92b652d44a461e17f0b45e"], "statement_hash": "21543872002d12a61698a6d28fe0645e37793660d25fb3dd2469478e28cc4748", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-e349fca28342cccb", "migration": false}, {"id": "19.0-d5217054d55d5050", "cves": [], "html": "

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\n

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\n

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\n

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", "text": "\u65b0\u589e libpq \u51fd\u6570 PQgetThreadLock()\uff0c\u7528\u4e8e\u83b7\u53d6\u5f53\u524d\u9501\u56de\u8c03\uff08Jacob Champion\uff09\u00a7", "title": "\u65b0\u589e libpq \u51fd\u6570 PQgetThreadLock()\uff0c\u7528\u4e8e\u83b7\u53d6\u5f53\u524d\u9501\u56de\u8c03", "commits": ["b8d768583"], "section": "Libpq", "category": "feature", "source_url": "/docs/release/19.0/#RELEASE-19-LIBPQ", "source_hash": "b605e57baf7603c715fdd592105dd4dab4277da7891a18252729b60a8770f918", "section_path": ["Libpq"], "commit_groups": [["b8d768583"]], "identity_text": "Add libpq function PQgetThreadLock() to retrieve the current locking callback (Jacob Champion)", "commit_aliases": ["b8d768583"], "source_commits": ["b8d768583"], "source_entry_id": "19.0/changes/121", "db_id": "ddedf63a2aa70db34c67ca3ebfd0db4e", "patch_ids": ["2d7dd199d041254f4fabcbaee9bcaeda"], "statement_hash": "df92459494c7e653bc93f7bb1339e3e8ed5f706822a15207c7bb240dbc224e2f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=19.0#19.0-2d877d014001d350", "migration": false}, {"id": "19.0-798dbb9364a5d9c5", "cves": [], "html": "

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