{"Entry":{"collection":"metric","key":"pg_stat_all_tables-last_vacuum","name":"pg_stat_all_tables.last_vacuum","aliases":["last_vacuum","pg_stat_all_tables"],"metadata":{"aliases":["last_vacuum","pg_stat_all_tables"],"category":"pg_stat_all_tables","content_hash":"40adab65147738ebb9075881a64875b715b667fd2243002afa53c9a272510ab0","derived_content_hash":"a59bf1b0161c3c536a5ce957ab3456c802493e89f7651a42f2666dd675e4b312","imported_at":"2026-09-30T00:40:45.361212+08:00","name":"pg_stat_all_tables.last_vacuum","name_zh":"","slug":"pg_stat_all_tables-last_vacuum","summary":"Last time at which this table was manually vacuumed (not counting VACUUM FULL)"}},"Definition":{"Collection":"metric","Key":"pg_stat_all_tables-last_vacuum","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_all_tables-last_vacuum","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"last_vacuum","sql_type":"timestamp with time zone","units_mentioned":[],"view":"pg_stat_all_tables"},"comparison_hash":"6ebbf1cbe717250269711f7e730ce80a1a1ae5413b38ac36579030aa29e03027","description":["Last time at which this table was manually vacuumed (not counting VACUUM FULL)"],"description_zh":"最后一次手动清理这个表的时间（不包括 VACUUM FULL）","description_zh_html":"\u003cp\u003epg_stat_all_tables.last_vacuum 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_all_tables\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003elast_vacuum\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003etimestamp with time zone\u003c/code\u003e\u003c/dd\u003e\u003c/dl\u003e\u003ch3\u003e同版本中文手册定义\u003c/h3\u003e\u003cp\u003e最后一次手动清理这个表的时间（不包括 VACUUM FULL）\u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/monitoring-stats.html#\"\u003e查看完整中文手册与上下文\u003c/a\u003e。\u003c/p\u003e","documented":true,"facts":[{"label":"View","value":"pg_stat_all_tables"},{"label":"Field","value":"last_vacuum"},{"label":"SQL type","value":"timestamp with time zone"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"facts_zh":[{"label":"视图","value":"pg_stat_all_tables"},{"label":"字段","value":"last_vacuum"},{"label":"SQL 类型","value":"timestamp with time zone"},{"label":"字段定义记载的单位","value":"未指定"},{"label":"重置条件","value":"手册未为此视图记载 stats_reset 字段"}],"field":"last_vacuum","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_all_tables columns","url":"/wiki/catalog/pg_stat_all_tables/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"sections_zh":[{"paragraphs":["pg_stat_all_tables 视图将为当前数据库中的每一个表（包括 TOAST 表）包含一行，该行显示与对该表的访问相关的统计信息。 pg_stat_user_tables 和 pg_stat_sys_tables 视图包含相同的信息，但经过过滤，分别只显示用户和系统表。"],"title":"视图语义"},{"paragraphs":["重置范围和可见性请参阅下方同版本的统计信息收集与视图文档。不根据字段名称推断各字段的重置规则。"],"title":"采集与重置语义"},{"code":"SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;","paragraphs":["示例查询；不表示已执行，也不提供实测值。"],"title":"查看此字段"}],"signature":"SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW"}],"sql_type":"timestamp with time zone","tables":[],"tables_zh":[],"units_mentioned":[],"view":"pg_stat_all_tables","zh_from":{"authored_translation":"source-derived-structured-summary","body_sha256":"21266db3a8d6bfe4a5fcb4ff0e9b038030f161675d582e9c8a53da9645e495fe","kind":"same-version-chinese-manual-with-source-derived-structured-summary","manual":{"anchor":"","build_id":107,"column":"last_vacuum","extraction":"exact-catalog-field","locale":"zh-Hans","page_key":"monitoring-stats.html","source_hash":"0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53","source_revision":"unknown:rendered-translation-baseline","translation_revision":"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b","url":"/zh/docs/18/monitoring-stats.html#","version":"18"},"runtime_rerun":false,"source_facts_revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}},"ManualEvidence":{"manual_path":"/docs/18/monitoring-stats.html","release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_all_tables-last_vacuum","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_all_tables.last_vacuum","Summary":"Last time at which this table was manually vacuumed (not counting VACUUM FULL)","BodyHTML":"\u003cp\u003eLast time at which this table was manually vacuumed (not counting VACUUM FULL)\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"5c28597dea382e5a05a81814f94b839bf903a28e7a9428ed7fa1ec3156676e40","Payload":{"description":["Last time at which this table was manually vacuumed (not counting VACUUM FULL)"],"manual_html":"","related":[{"label":"pg_stat_all_tables columns","url":"/wiki/catalog/pg_stat_all_tables/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about accesses to that specific table. The pg_stat_user_tables and pg_stat_sys_tables views contain the same information, but filtered to only show user and system tables respectively."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT last_vacuum FROM pg_catalog.pg_stat_all_tables;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}