{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_all_tables-last_vacuum", "name": "pg_stat_all_tables.last_vacuum", "name_zh": "", "category": "pg_stat_all_tables", "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "aliases": ["last_vacuum", "pg_stat_all_tables"], "content_hash": "77ef673e6201f39f4578e3d01b917a5d86de51ede193d42ab859c6460107afa1", "versions": {"10": {"view": "pg_stat_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "last_vacuum", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_all_tables/?v=10", "label": "pg_stat_all_tables \u5b57\u6bb5"}, {"url": "/docs/10/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "stable", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 10 English manual", "sha256": "8b88457ddc21d8cbc59bc88fb9e07a79090419ef77c3d7f05b03e0f66a2bac3f"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/10/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": 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["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8bbf\u95ee\u8be5\u8868\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_all_tables \u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "10", "text_hash": "486d7750398355cffe60d7537d82368b485937e47ac47230db35f0b7f7641bd2", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/10/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "cf884834ed32c9ed9446bea488204432defca82b5fccd3075349b7b866653094", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5"}, "body_sha256": "d1867fe6a5245d86e76c83b29bfe375ad0557c3f02a8bf9af4b2888e5ef3ecf1", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8bbf\u95ee\u8be5\u8868\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_all_tables \u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "10", "link_map": {"/zh/docs/10/monitoring-stats.html": "/docs/10/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "71c0df0b0fdb99f7c0ffb7926c3c357a9b83fa5486d78231a0502242b8b672fd", "content_hash": "486d7750398355cffe60d7537d82368b485937e47ac47230db35f0b7f7641bd2", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/10/monitoring-stats.html", "sections_zh": 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semantic node", "sha256": "881c50196a1774b6cbfd40977523b79f34cd079195f91024d1e3c322c763a8b5", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[7]/div[1]/table[0]/tbody[2]/tr[4]/td[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/10/facts/0/label": "View", "/versions/10/facts/1/label": "Field", "/versions/10/facts/2/label": "SQL type", "/versions/10/facts/3/label": "Units named in the field definition", "/versions/10/facts/3/value": "Not specified", "/versions/10/facts/4/label": "Reset observation", "/versions/10/facts/4/value": "No stats_reset field is documented for this view", "/versions/10/related/0/label": "pg_stat_all_tables columns", "/versions/10/related/1/label": "Statistics collection and reset functions", "/versions/10/sections/0/title": "View semantics", "/versions/10/sections/1/title": "Collection and reset context", "/versions/10/sections/2/title": "Inspect this field", "/versions/10/sections/0/paragraphs/0": "One row for each table in the current database, showing statistics about accesses to that specific table. See pg_stat_all_tables for details.", "/versions/10/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/10/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2446e81f52c53509549b710ec70d5e46b1ce85d31ec2101529bf70f89f3392ea", "canonical_center_text_hash": "486d7750398355cffe60d7537d82368b485937e47ac47230db35f0b7f7641bd2"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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"zh-Hans", "version": "11", "build_id": 64, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2bd0ab0ada5d4a95c80dd511d5018532613c2753b6c2debc208355ba0cf80625", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1"}, "body_sha256": "93b049cb182570e0094bca9c470d70886898806ae8aae7dc21eade42fc765398", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": 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"center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "11", "text_hash": "56d96039c4bc801f21aa9bfe8d9733bf366724aa15d54057562d58a604774dd7", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/11/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2bd0ab0ada5d4a95c80dd511d5018532613c2753b6c2debc208355ba0cf80625", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1"}, "body_sha256": "93b049cb182570e0094bca9c470d70886898806ae8aae7dc21eade42fc765398", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8bbf\u95ee\u8be5\u8868\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_all_tables \u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": 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See pg_stat_all_tables for details.", "/versions/11/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/11/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "c74642b4a344a76464b3247fc53be7841eac1ca620b3dfe5477b3b08968cee78", "canonical_center_text_hash": "56d96039c4bc801f21aa9bfe8d9733bf366724aa15d54057562d58a604774dd7"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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"center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "12", "text_hash": "5c74362eac1825d4bc64801dde69ba81b3c055cc9d06695f907d5af4ec0b6a8c", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/12/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "1807d9852353a1af2b64d546fb3be93143b4831734c8d432737488e3037ac9f1", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49"}, "body_sha256": "388ba0bfe931d6d1cbc648a600f515641efad165ecec4cd453bdcd30ea7c81a3", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8bbf\u95ee\u8be5\u8868\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_all_tables \u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": 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See pg_stat_all_tables for details.", "/versions/12/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/12/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "adea44f455abbf5bf5eb50bc8c9b033b11e03ec18e0e3c9a7da72380cf4eeee2", "canonical_center_text_hash": "5c74362eac1825d4bc64801dde69ba81b3c055cc9d06695f907d5af4ec0b6a8c"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "13", "text_hash": "a385693cc74e80f7bed6d83e172325ddd4169ada6ec980991008aad10b9bbd56", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/13/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "13", "link_map": {"/zh/docs/13/monitoring-stats.html": "/docs/13/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/13/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "f9962a3845650deee7cee1a9c8cc77f7042a057328d957d4d934c8ff23db2956", "content_hash": "a385693cc74e80f7bed6d83e172325ddd4169ada6ec980991008aad10b9bbd56", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/13/monitoring-stats.html", "sections_zh": 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"\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/13/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1afff4ad1a4bc0c7e04a62d13adebcc1d39c30aca969618fab0cca8d0a115a96", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[17]/p[2]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/13/facts/0/label": "View", "/versions/13/facts/1/label": "Field", "/versions/13/facts/2/label": "SQL type", "/versions/13/facts/3/label": "Units named in the field definition", "/versions/13/facts/3/value": "Not specified", "/versions/13/facts/4/label": "Reset observation", "/versions/13/facts/4/value": "No stats_reset field is documented for this view", "/versions/13/related/0/label": "pg_stat_all_tables columns", "/versions/13/related/1/label": "Statistics collection and reset functions", "/versions/13/sections/0/title": "View semantics", "/versions/13/sections/1/title": "Collection and reset context", "/versions/13/sections/2/title": "Inspect this field", "/versions/13/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/13/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/13/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "bab3e85d574f6009f3583574856fe2eb8fa44978a413ebc3b293c2d037862e41", "canonical_center_text_hash": "a385693cc74e80f7bed6d83e172325ddd4169ada6ec980991008aad10b9bbd56"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/13/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "14": {"view": "pg_stat_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "last_vacuum", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_all_tables/?v=14", "label": "pg_stat_all_tables \u5b57\u6bb5"}, {"url": "/docs/14/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 14 English manual", "sha256": "1852c6205d68e465d08dd8f75e3b6bfdd4a475ee8d79886e2dcff6bff8e2d243"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/14/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": 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"value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "14", "text_hash": "964e583a99f823cdf9f077edf162dc01113bbbefe9eabde7f3be3e139c85cfc9", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "b2498f121df39b6dbda69ed695deb9331b9f0b8adb248ff5d5d51c195d0c0918", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/14/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "14", "link_map": {"/zh/docs/14/monitoring-stats.html": "/docs/14/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/14/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "0b6a48a8e469bde9102f747d3b2437f344d3d7c61fe0828b821209899aff5fb8", "content_hash": "964e583a99f823cdf9f077edf162dc01113bbbefe9eabde7f3be3e139c85cfc9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/14/monitoring-stats.html", "method": "same-major semantic node", "sha256": "a622383556aa74bc5f0e402d9cb6c1e6ce1d111286c0f4e45f55b81e34d57922", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[19]/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/14/facts/0/label": "View", "/versions/14/facts/1/label": "Field", "/versions/14/facts/2/label": "SQL type", "/versions/14/facts/3/label": "Units named in the field definition", "/versions/14/facts/3/value": "Not specified", "/versions/14/facts/4/label": "Reset observation", "/versions/14/facts/4/value": "No stats_reset field is documented for this view", "/versions/14/related/0/label": "pg_stat_all_tables columns", "/versions/14/related/1/label": "Statistics collection and reset functions", "/versions/14/sections/0/title": "View semantics", "/versions/14/sections/1/title": "Collection and reset context", "/versions/14/sections/2/title": "Inspect this field", "/versions/14/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/14/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/14/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "0718387baa9ec5b5b8b4b9d099b936e814b47419351de8666a5e5486ea71b469", "canonical_center_text_hash": "964e583a99f823cdf9f077edf162dc01113bbbefe9eabde7f3be3e139c85cfc9"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/14/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "15": {"view": "pg_stat_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "last_vacuum", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_all_tables/?v=15", "label": "pg_stat_all_tables \u5b57\u6bb5"}, {"url": "/docs/15/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 15 English manual", "sha256": "034c0a2e99e6707e637bf4d6cfd819d39eddc1b4b7c1ec2a00f0b4f0fdb0a078"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/15/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "a1f491ce4744d3b72b0eced7fad7c91762a4a8ba5ce0d61094b0616668450592", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "5d9278e84946ad42c06ebce278a6c7f8d2a55bb30e6ad1517d30acf5628ba196", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "15", "text_hash": "5c90200a664b175cb18813e2883c7426a3c429c7fe1f0011479125a0eb69b48b", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "5d9278e84946ad42c06ebce278a6c7f8d2a55bb30e6ad1517d30acf5628ba196", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/15/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "15", "link_map": {"/zh/docs/15/monitoring-stats.html": "/docs/15/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/15/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "ed24be6cc34142752a4bdcd6c898811f724972d8e891602af5ec385343a0fc27", "content_hash": "5c90200a664b175cb18813e2883c7426a3c429c7fe1f0011479125a0eb69b48b", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/15/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/15/monitoring-stats.html", "method": "same-major semantic node", "sha256": "373028581d43d13a3f098f997d5912fca6c8c1bf42a129d9336834c119bcaf6b", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[21]/p[2]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/15/facts/0/label": "View", "/versions/15/facts/1/label": "Field", "/versions/15/facts/2/label": "SQL type", "/versions/15/facts/3/label": "Units named in the field definition", "/versions/15/facts/3/value": "Not specified", "/versions/15/facts/4/label": "Reset observation", "/versions/15/facts/4/value": "No stats_reset field is documented for this view", "/versions/15/related/0/label": "pg_stat_all_tables columns", "/versions/15/related/1/label": "Statistics collection and reset functions", "/versions/15/sections/0/title": "View semantics", "/versions/15/sections/1/title": "Collection and reset context", "/versions/15/sections/2/title": "Inspect this field", "/versions/15/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/15/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/15/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3f915b0c4e502b28c6c6579f4e2a026dce63e4ac6b7a14f45e3e29b072c330ce", "canonical_center_text_hash": "5c90200a664b175cb18813e2883c7426a3c429c7fe1f0011479125a0eb69b48b"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/15/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "16": {"view": "pg_stat_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "last_vacuum", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_all_tables/?v=16", "label": "pg_stat_all_tables \u5b57\u6bb5"}, {"url": "/docs/16/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 16 English manual", "sha256": "a4c274defe8a41ff2895040cd542b5499063b844669ff3336de1a1317c3fe086"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/16/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "bc7073c776c27e13a8c84203c68f4913e8ee7601c38364f2b4e397c4851c8e08", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "97f397d1eb788f7a044ea446a32e77ba786efd82b179789171c79dfcd184a04e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "16", "text_hash": "7f5e036db8d2db5bad8c529ce4491bc58474074f621bdfd9bcfe3ec0f3f4945e", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/16/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "bc7073c776c27e13a8c84203c68f4913e8ee7601c38364f2b4e397c4851c8e08", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "97f397d1eb788f7a044ea446a32e77ba786efd82b179789171c79dfcd184a04e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/16/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "16", "link_map": {"/zh/docs/16/monitoring-stats.html": "/docs/16/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/16/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "b67bef74836829dee0a278d73a1e95f3cf526fbe9ee950e539a0fc61da9441dc", "content_hash": "7f5e036db8d2db5bad8c529ce4491bc58474074f621bdfd9bcfe3ec0f3f4945e", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/16/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/16/monitoring-stats.html", "method": "same-major semantic node", "sha256": "602e708943074767e7aad252e93938422e388dae22bd99fc583e93f7689395ba", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[22]/p[2]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/16/facts/0/label": "View", "/versions/16/facts/1/label": "Field", "/versions/16/facts/2/label": "SQL type", "/versions/16/facts/3/label": "Units named in the field definition", "/versions/16/facts/3/value": "Not specified", "/versions/16/facts/4/label": "Reset observation", "/versions/16/facts/4/value": "No stats_reset field is documented for this view", "/versions/16/related/0/label": "pg_stat_all_tables columns", "/versions/16/related/1/label": "Statistics collection and reset functions", "/versions/16/sections/0/title": "View semantics", "/versions/16/sections/1/title": "Collection and reset context", "/versions/16/sections/2/title": "Inspect this field", "/versions/16/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/16/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/16/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "0b40dddb902acc655ea9cc50a02fbb68514a75cba771969e3330ef0e1f190d7d", "canonical_center_text_hash": "7f5e036db8d2db5bad8c529ce4491bc58474074f621bdfd9bcfe3ec0f3f4945e"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "last_vacuum", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_all_tables/?v=17", "label": "pg_stat_all_tables \u5b57\u6bb5"}, {"url": "/docs/17/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 17 English manual", "sha256": "007af6e8ab39b925963273ec3ba7f06f8ee6fbfaad821f07a1dc78383dbb9b99"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/17/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "ad63a74417862b28cba663bd779186633505e5da37845bce5f2e4bf62ee55c2b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "a582eecf9ff110f6a15173c535928222c1101c29adeaf190c1f52eb1aba81a29", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "17", "text_hash": "6d99870a1c19301b68e7c2cd2c8912c01b75844c0344e9aee4d96c10d37bf7a7", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/17/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "ad63a74417862b28cba663bd779186633505e5da37845bce5f2e4bf62ee55c2b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "a582eecf9ff110f6a15173c535928222c1101c29adeaf190c1f52eb1aba81a29", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/17/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "17", "link_map": {"/zh/docs/17/monitoring-stats.html": "/docs/17/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/17/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "1ab22c00e07196c63b83fd99c434a109d7b260a235acd78eb714c4e6b3efd52c", "content_hash": "6d99870a1c19301b68e7c2cd2c8912c01b75844c0344e9aee4d96c10d37bf7a7", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/17/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/17/monitoring-stats.html", "method": "same-major semantic node", "sha256": "5cd346cc373a5a006b07664d9969d4c630c8ea55dea33b8f3211f061ce43e54f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[23]/p[2]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/17/facts/0/label": "View", "/versions/17/facts/1/label": "Field", "/versions/17/facts/2/label": "SQL type", "/versions/17/facts/3/label": "Units named in the field definition", "/versions/17/facts/3/value": "Not specified", "/versions/17/facts/4/label": "Reset observation", "/versions/17/facts/4/value": "No stats_reset field is documented for this view", "/versions/17/related/0/label": "pg_stat_all_tables columns", "/versions/17/related/1/label": "Statistics collection and reset functions", "/versions/17/sections/0/title": "View semantics", "/versions/17/sections/1/title": "Collection and reset context", "/versions/17/sections/2/title": "Inspect this field", "/versions/17/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/17/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/17/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "538944c4c4a79fe6285cdf25f1b0b48d5acd8f443dbcd4789cced181c64cb766", "canonical_center_text_hash": "6d99870a1c19301b68e7c2cd2c8912c01b75844c0344e9aee4d96c10d37bf7a7"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "18", "text_hash": "3bd4b7dfb59c393b8b75ea40e5cbc8d550720babd92c6c9c15266d8d2a088728", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "21266db3a8d6bfe4a5fcb4ff0e9b038030f161675d582e9c8a53da9645e495fe", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "be651f950bd74bc87fafd9a989f04e966ee9405fb30d8e780491d36be30003ff", "content_hash": "3bd4b7dfb59c393b8b75ea40e5cbc8d550720babd92c6c9c15266d8d2a088728", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[23]/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "SQL type", "/versions/18/facts/3/label": "Units named in the field definition", "/versions/18/facts/3/value": "Not specified", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "No stats_reset field is documented for this view", "/versions/18/related/0/label": "pg_stat_all_tables columns", "/versions/18/related/1/label": "Statistics collection and reset functions", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and reset context", "/versions/18/sections/2/title": "Inspect this field", "/versions/18/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/18/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/18/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "8d81e74a8a77c6eac3e196c1d88525c7a0774e6f88c30555ac8673ab5b5248fe", "canonical_center_text_hash": "3bd4b7dfb59c393b8b75ea40e5cbc8d550720babd92c6c9c15266d8d2a088728"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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"version": "19", "build_id": 109, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "38f7e14f495b50d93ec5fe73e5630957512a3cbd01aa83c8d7dd33abfeedbb62", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c"}, "body_sha256": "988d708e8a54b6d94ce2f924cc12875c5ed4e00feda09096a8b70398f64481c2", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": 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["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "19", "text_hash": "95ac65f594efd6808f45e80f420bb0327b19ee3d9d5537bdeadb4b8a54245e3d", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c"}, "body_sha256": "988d708e8a54b6d94ce2f924cc12875c5ed4e00feda09096a8b70398f64481c2", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/19/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "19", "link_map": {"/zh/docs/19/monitoring-stats.html": "/docs/19/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/19/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "36055ead933b53963472a7395ede521ec49a276115b0c2195266265c3d679460", "content_hash": "95ac65f594efd6808f45e80f420bb0327b19ee3d9d5537bdeadb4b8a54245e3d", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/19/monitoring-stats.html", "sections_zh": 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"\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/19/monitoring-stats.html", "method": "same-major semantic node", "sha256": "024434288428f15560d48c78af2e836ca669a4217589cfaeb2f16b72123b501a", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/p[2]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/19/facts/0/label": "View", "/versions/19/facts/1/label": "Field", "/versions/19/facts/2/label": "SQL type", "/versions/19/facts/3/label": "Units named in the field definition", "/versions/19/facts/3/value": "Not specified", "/versions/19/facts/4/label": "Reset observation", "/versions/19/facts/4/value": "Time at which these statistics were last reset", "/versions/19/related/0/label": "pg_stat_all_tables columns", "/versions/19/related/1/label": "Statistics collection and reset functions", "/versions/19/sections/0/title": "View semantics", "/versions/19/sections/1/title": "Collection and reset context", "/versions/19/sections/2/title": "Inspect this field", "/versions/19/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/19/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/19/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "acbd1a872e4bc3f6e64e3280041d6a60f6e6b412eb59300e139474870c7e33e9", "canonical_center_text_hash": "95ac65f594efd6808f45e80f420bb0327b19ee3d9d5537bdeadb4b8a54245e3d"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum 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"translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "8ecc807ec6e1943229106dfe5ab95f8e0ce5b5143892d3d638bae7900fbc630d", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "20", "text_hash": "f6c80d34968c953357c723bf21bb97da94ce30f3694a2efec99cadcaf701f865", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/devel/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2c8d45a2fe11aec2ee727b94ac68e60b7a0523a1aa2d43629f9368d42f544d40", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "8ecc807ec6e1943229106dfe5ab95f8e0ce5b5143892d3d638bae7900fbc630d", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/devel/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "20", "link_map": {"/zh/docs/devel/monitoring-stats.html": "/docs/devel/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/devel/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "d126cbaa542216b02e89b5dd6dd0463ec291e790b30b90dd46ea0384021ac50a", "content_hash": "f6c80d34968c953357c723bf21bb97da94ce30f3694a2efec99cadcaf701f865", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/devel/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/devel/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1d9a086fb4c6fdd9a56d3a7a28e8c164354ef0bf50c402f06ebe174538f96a4f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[26]/p[2]"]}], "language": "zh", "original_text": {"/summary": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/20/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/20/facts/0/label": "View", "/versions/20/facts/1/label": "Field", "/versions/20/facts/2/label": "SQL type", "/versions/20/facts/3/label": "Units named in the field definition", "/versions/20/facts/3/value": "Not specified", "/versions/20/facts/4/label": "Reset observation", "/versions/20/facts/4/value": "Time at which these statistics were last reset", "/versions/20/related/0/label": "pg_stat_all_tables columns", "/versions/20/related/1/label": "Statistics collection and reset functions", "/versions/20/sections/0/title": "View semantics", "/versions/20/sections/1/title": "Collection and reset context", "/versions/20/sections/2/title": "Inspect this field", "/versions/20/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/20/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/20/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "e4ade6a0e6dc3e8d75828d06b6c98e05b23104bf5e65152a8f4efed64e83b7b1", "canonical_center_text_hash": "f6c80d34968c953357c723bf21bb97da94ce30f3694a2efec99cadcaf701f865"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/devel/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "documented field type and description, source-only view expressions", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "previous_source_revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}}}}, "snapshot": {"view": "pg_stat_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "last_vacuum", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_all_tables/?v=18", "label": "pg_stat_all_tables \u5b57\u6bb5"}, {"url": "/docs/18/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 18 English manual", "sha256": "aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "21266db3a8d6bfe4a5fcb4ff0e9b038030f161675d582e9c8a53da9645e495fe", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "center_zh": {"title": "pg_stat_all_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_all_tables-last_vacuum", "locale": "zh-Hans", "version": "18", "text_hash": "3bd4b7dfb59c393b8b75ea40e5cbc8d550720babd92c6c9c15266d8d2a088728", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_all_tables"}, {"label": "\u5b57\u6bb5", "value": "last_vacuum"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "21266db3a8d6bfe4a5fcb4ff0e9b038030f161675d582e9c8a53da9645e495fe", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "be651f950bd74bc87fafd9a989f04e966ee9405fb30d8e780491d36be30003ff", "content_hash": "3bd4b7dfb59c393b8b75ea40e5cbc8d550720babd92c6c9c15266d8d2a088728", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "tables_zh": [], "documented": true, "description": ["\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u4e0e\u5bf9\u8be5\u8868\u7684\u8bbf\u95ee\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_stat_user_tables \u548c pg_stat_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[23]/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "SQL type", "/versions/18/facts/3/label": "Units named in the field definition", "/versions/18/facts/3/value": "Not specified", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "No stats_reset field is documented for this view", "/versions/18/related/0/label": "pg_stat_all_tables columns", "/versions/18/related/1/label": "Statistics collection and reset functions", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and reset context", "/versions/18/sections/2/title": "Inspect this field", "/versions/18/sections/0/paragraphs/0": "The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/18/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/18/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "8d81e74a8a77c6eac3e196c1d88525c7a0774e6f88c30555ac8673ab5b5248fe", "canonical_center_text_hash": "3bd4b7dfb59c393b8b75ea40e5cbc8d550720babd92c6c9c15266d8d2a088728"}, "description_zh": "\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09", "comparison_data": {"view": "pg_stat_all_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>pg_stat_all_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time zone</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u6700\u540e\u4e00\u6b21\u624b\u52a8\u6e05\u7406\u8fd9\u4e2a\u8868\u7684\u65f6\u95f4\uff08\u4e0d\u5305\u62ec VACUUM FULL\uff09</p><p><a href=\"/docs/18/monitoring-stats.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}