{"Entry":{"collection":"metric","key":"pg_stat_sys_tables-last_vacuum","name":"pg_stat_sys_tables.last_vacuum","aliases":["last_vacuum","pg_stat_sys_tables"],"metadata":{"aliases":["last_vacuum","pg_stat_sys_tables"],"category":"pg_stat_sys_tables","content_hash":"3f553df94b3dc6fda2083901134173ed69816c1c85531ca55c2b23bd43c88724","imported_at":"2026-09-30T00:40:46.307264+08:00","name":"pg_stat_sys_tables.last_vacuum","name_zh":"","slug":"pg_stat_sys_tables-last_vacuum","summary":"Last time at which this table was manually vacuumed (not counting VACUUM FULL)"}},"Definition":{"Collection":"metric","Key":"pg_stat_sys_tables-last_vacuum","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_sys_tables-last_vacuum","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"last_vacuum","sql_type":"timestamp with time zone","units_mentioned":[],"view":"pg_stat_sys_tables"},"comparison_hash":"3dffc7355df3f22fa57c2c7e0a64f0afe2fb4840abcfd0d21ed3326579befa1e","description":["Last time at which this table was manually vacuumed (not counting VACUUM FULL)"],"documented":true,"facts":[{"label":"View","value":"pg_stat_sys_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"}],"field":"last_vacuum","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_sys_tables columns","url":"/wiki/catalog/pg_stat_sys_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":["Same as pg_stat_all_tables, except that only system tables are shown."],"title":"View semantics"},{"paragraphs":["Read the same-version statistics collection and view documentation below for reset scope and visibility. 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