{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_sys_tables-last_vacuum", "name": "pg_stat_sys_tables.last_vacuum", "name_zh": "", "category": "pg_stat_sys_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_sys_tables"], "content_hash": "8d684d0f72a10dca829b0172d718093f6337fff1c5e1d1a9aa27f7cd599949dc", "versions": {"10": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": 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pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "10", "text_hash": "5b2d8bc0becd9802e094f90569670ad3f00d80e42671353dceaf132e89316a07", 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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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "30783524dd1edcea9b23d65325b5cf67946a3d67eb22b15a192b80074558ea00", "content_hash": "5b2d8bc0becd9802e094f90569670ad3f00d80e42671353dceaf132e89316a07", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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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"/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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/versions/10/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. 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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": "a1f0443a2caf9b3acc98aebf8a603b9f1686c6fe684228be4749cae2815f1bcd", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": 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"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": "a1f0443a2caf9b3acc98aebf8a603b9f1686c6fe684228be4749cae2815f1bcd", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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/11/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": "11", "link_map": {"/zh/docs/11/monitoring-stats.html": "/docs/11/monitoring-stats.html"}, "body_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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/11/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "dc922b2758872cfe83f04a56b01a65c1d1ff4d67045e3b2aac0b0153c0128627", "content_hash": "d0d20e648d791cf31ddb3dbc42bed5e7201c5410457bfb509973213728f1f93e", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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/11/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "language": "zh", "original_text": {"/versions/11/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/11/facts/0/label": "View", "/versions/11/facts/1/label": "Field", "/versions/11/facts/2/label": "SQL type", "/versions/11/facts/3/label": "Units named in the field definition", "/versions/11/facts/3/value": "Not specified", "/versions/11/facts/4/label": "Reset observation", "/versions/11/facts/4/value": "No stats_reset field is documented for this view", "/versions/11/related/0/label": "pg_stat_sys_tables columns", "/versions/11/related/1/label": "Statistics collection and reset functions", "/versions/11/sections/0/title": "View semantics", "/versions/11/sections/1/title": "Collection and reset context", "/versions/11/sections/2/title": "Inspect this field", "/versions/11/sections/0/paragraphs/0": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "458060b5707a9deea5fcde73a6c8e502fd1425f7925d148fc2b5face1f820363", "canonical_center_text_hash": "d0d20e648d791cf31ddb3dbc42bed5e7201c5410457bfb509973213728f1f93e"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_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_sys_tables/?v=12", "label": "pg_stat_sys_tables \u5b57\u6bb5"}, {"url": "/docs/12/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "stable", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/monitoring-stats.html#id-1.6.14.7.6.8.2.2.6.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 12 English manual", "sha256": "3a764eaa784efc0eed1081cdfc2bf313c91bd17122d66dd16055d8b640320699"}], "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": 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"pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "12", "text_hash": "acc6685a7c463ca1c1588a80b366cf2b89d842169cbbf07289d473f8ebc14baf", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": "b43b41497cea0c417248f4d63a9e2739577c6594a68768430103ca1e89875077", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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/12/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": "12", "link_map": {"/zh/docs/12/monitoring-stats.html": "/docs/12/monitoring-stats.html"}, "body_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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/12/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "d8171c2f91276d05fd4c89e10895e20bfde4e4edd70bcd65ef2c667738e4fbbd", "content_hash": "acc6685a7c463ca1c1588a80b366cf2b89d842169cbbf07289d473f8ebc14baf", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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/12/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "language": "zh", "original_text": {"/versions/12/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", "/versions/12/facts/0/label": "View", "/versions/12/facts/1/label": "Field", "/versions/12/facts/2/label": "SQL type", "/versions/12/facts/3/label": "Units named in the field definition", "/versions/12/facts/3/value": "Not specified", "/versions/12/facts/4/label": "Reset observation", "/versions/12/facts/4/value": "No stats_reset field is documented for this view", "/versions/12/related/0/label": "pg_stat_sys_tables columns", "/versions/12/related/1/label": "Statistics collection and reset functions", "/versions/12/sections/0/title": "View semantics", "/versions/12/sections/1/title": "Collection and reset context", "/versions/12/sections/2/title": "Inspect this field", "/versions/12/sections/0/paragraphs/0": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "2184d60d9faa7e106bd76f0ec04c80b1777c0a8e31b35acab4b823a405b912f5", "canonical_center_text_hash": "acc6685a7c463ca1c1588a80b366cf2b89d842169cbbf07289d473f8ebc14baf"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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/12/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "13": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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_sys_tables/?v=13", "label": "pg_stat_sys_tables \u5b57\u6bb5"}, {"url": "/docs/13/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "stable", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/monitoring-stats.html#id-1.6.14.7.6.8.2.2.6.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 13 English manual", "sha256": "a8ec0d199d592259f260a41ccb2821e582cd6dae1014a784e1e86203740afcb0"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/13/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "57373e7034db8002ff131250ff4fe83a8251455fad5580597598b0863a245ece", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "ef733ebfee5f00e906405656643dc8a125b084cd2de17c49e608c3fbc915b70b", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "13", "text_hash": "3ab9c5d8f42ca78ee7a204423f7462f6bd58c2ab8f994031411c87d56e00128f", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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/13/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "57373e7034db8002ff131250ff4fe83a8251455fad5580597598b0863a245ece", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "ef733ebfee5f00e906405656643dc8a125b084cd2de17c49e608c3fbc915b70b", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "874a1e55a11b57c3e8f2a1fc2165e6de3d2868ff274390fc883e5058339c8300", "content_hash": "3ab9c5d8f42ca78ee7a204423f7462f6bd58c2ab8f994031411c87d56e00128f", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "c5e9bb74f71872f64686130360d3f53302506ba7caadec5e3b80927dc6cb5c40", "canonical_center_text_hash": "3ab9c5d8f42ca78ee7a204423f7462f6bd58c2ab8f994031411c87d56e00128f"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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_sys_tables/?v=14", "label": "pg_stat_sys_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#id-1.6.15.7.6.8.2.2.7.1.2", "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": "zh-Hans", "version": "14", "build_id": 99, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "5d0b3feda6ee0197d76fdc68b8b0b9837def8844a3463bc79c380c92ca629dbb", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "446c03767d51181d9b555dce84067df817fdf83b0219c3a70db4b2057ca39b6a", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "14", "text_hash": "40ebe5f34bd33624daa79097b72c0fca12789eaeec4aa860af0e35e181a34238", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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/14/monitoring-stats.html#", "anchor": "", "column": "last_vacuum", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "5d0b3feda6ee0197d76fdc68b8b0b9837def8844a3463bc79c380c92ca629dbb", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "446c03767d51181d9b555dce84067df817fdf83b0219c3a70db4b2057ca39b6a", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "3523b60751250a91e47a8d0d2d09101bd88653552a99864f72f38c92e322e9e3", "content_hash": "40ebe5f34bd33624daa79097b72c0fca12789eaeec4aa860af0e35e181a34238", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "40b906aaaa02e5081397d04af9ad00703bf321d7d0ae037367ceb6f0c26b7790", "canonical_center_text_hash": "40ebe5f34bd33624daa79097b72c0fca12789eaeec4aa860af0e35e181a34238"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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_sys_tables/?v=15", "label": "pg_stat_sys_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#id-1.6.15.7.6.8.2.2.7.1.2", "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": "a52beb102743e32ba59a0f940119e414f9abdb3decf43a75023a3b90d88122d0", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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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"locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "15", "text_hash": "e03fa9b320c1f3c5e91f5d6b6cbbd7d02e33a909c3e272918b09934121734102", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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/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": "a52beb102743e32ba59a0f940119e414f9abdb3decf43a75023a3b90d88122d0", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time 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"/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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "8aa237dde2eb2e7db21bb897fa3c810a0a40a698114347578d4cbea71faee0cc", "canonical_center_text_hash": "e03fa9b320c1f3c5e91f5d6b6cbbd7d02e33a909c3e272918b09934121734102"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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_sys_tables/?v=16", "label": "pg_stat_sys_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#id-1.6.15.7.6.8.2.2.11.1.2", "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": "7126c855f839752d9afffd2c2060e0f9373e5bf5b305a3458e76a36c5d7691c5", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "16", "text_hash": "e7f3b39c3ea7a146a0e99e9b030118f589b96f5a9f463c820a8e51d7115a92a0", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": "7126c855f839752d9afffd2c2060e0f9373e5bf5b305a3458e76a36c5d7691c5", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "f9ab705fe7be83bf31fe774fb785094e146ff02111644fc674699a62fcb5d57a", "content_hash": "e7f3b39c3ea7a146a0e99e9b030118f589b96f5a9f463c820a8e51d7115a92a0", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "language": "zh", "original_text": {"/versions/16/description/0": "Last time at which this table was manually vacuumed (not counting VACUUM FULL)", 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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": "124a19de2efd57227e0c71da806f024f15ac254cd8bb59423ec9604618b1dfc8", "canonical_center_text_hash": "e7f3b39c3ea7a146a0e99e9b030118f589b96f5a9f463c820a8e51d7115a92a0"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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>"}, "17": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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_sys_tables/?v=17", "label": "pg_stat_sys_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#id-1.6.14.7.6.8.2.2.12.1.2", "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": "c059a5cff62567457bfe17d274529a4fe73932da935f3c37dbb4625ea8ecaa16", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "17", "text_hash": "31481cfe07bd5af524016d0705aecb2f2775f628e833d844eb22edb44b9e8e0e", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": "c059a5cff62567457bfe17d274529a4fe73932da935f3c37dbb4625ea8ecaa16", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "fd2b4cae4883384b55db126d0ca998ad271dd0a65f9ad7f6007002d096dedcd3", "content_hash": "31481cfe07bd5af524016d0705aecb2f2775f628e833d844eb22edb44b9e8e0e", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "78c109ab03ce93bce62334efd22731d28c78f5e6302fc1b7b062c1df2c3deddc", "canonical_center_text_hash": "31481cfe07bd5af524016d0705aecb2f2775f628e833d844eb22edb44b9e8e0e"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_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_sys_tables/?v=18", "label": "pg_stat_sys_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#id-1.6.14.7.6.8.2.2.12.1.2", "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": 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"\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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "18", "text_hash": "4bfaa11245f542cc58fe81430c83845ea7d8acc2ef4a1a6de99fca20a9aa2184", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": 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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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>last_vacuum</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>timestamp with time 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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": "43edfcccffbd2a04c4a8f0c5f964710f069a164b172c6fc878ba04557883e93c", "content_hash": "4bfaa11245f542cc58fe81430c83845ea7d8acc2ef4a1a6de99fca20a9aa2184", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": 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"/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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "daea03d53106f06bab0c319d315bbaa67e1b0aa8ba89eaafb252ce8bdfc1d210", "canonical_center_text_hash": "4bfaa11245f542cc58fe81430c83845ea7d8acc2ef4a1a6de99fca20a9aa2184"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "2392488e3ccb189d14f4022291b1f9b7531126e6be5458976635f0dcbb6a7960", "content_hash": "13632740bb646a81342de2c5c4bd76f0451e4e9ae29c08dfaa3e843152b6f608", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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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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": "ac3e8911da218676b1293b60b2deac1f25da7057efa551b8c06f60679893270a", "canonical_center_text_hash": "13632740bb646a81342de2c5c4bd76f0451e4e9ae29c08dfaa3e843152b6f608"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum 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"sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "000823a5875cb6722628f3e44fed980c4e0cb5ee8c84319475e937ef81402ad4", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "a47cb0da23c562f391f9c48dfb2be197f09a091356031551f51ed10e2e27dc75", "content_hash": "a5d164cfe49943d855b846272911669b745e501808cbcc37a6a57d4834418984", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "2f462afb977350ea317a5eb7930ab52152ac4ad6ba57ce7d31db4ee22309a9e2", "canonical_center_text_hash": "a5d164cfe49943d855b846272911669b745e501808cbcc37a6a57d4834418984"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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_sys_tables/?v=18", "label": "pg_stat_sys_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#id-1.6.14.7.6.8.2.2.12.1.2", "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": "10a96dbe7dbfde8742df253bc417b3fb5cead6d08eb17da5dfdadfe59b3c3e11", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_vacuum", "locale": "zh-Hans", "version": "18", "text_hash": "4bfaa11245f542cc58fe81430c83845ea7d8acc2ef4a1a6de99fca20a9aa2184", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_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": "10a96dbe7dbfde8742df253bc417b3fb5cead6d08eb17da5dfdadfe59b3c3e11", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": "43edfcccffbd2a04c4a8f0c5f964710f069a164b172c6fc878ba04557883e93c", "content_hash": "4bfaa11245f542cc58fe81430c83845ea7d8acc2ef4a1a6de99fca20a9aa2184", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT last_vacuum FROM pg_catalog.pg_stat_sys_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": ["\u4e0e pg_stat_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\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_sys_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": [], "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_sys_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": "Same as pg_stat_all_tables, except that only system tables are shown.", "/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": "daea03d53106f06bab0c319d315bbaa67e1b0aa8ba89eaafb252ce8bdfc1d210", "canonical_center_text_hash": "4bfaa11245f542cc58fe81430c83845ea7d8acc2ef4a1a6de99fca20a9aa2184"}, "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_sys_tables", "field": "last_vacuum", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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_sys_tables.last_vacuum \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_sys_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": ""}}