{"Entry":{"collection":"metric","key":"pg_stat_sys_indexes-last_idx_scan","name":"pg_stat_sys_indexes.last_idx_scan","aliases":["last_idx_scan","pg_stat_sys_indexes"],"metadata":{"aliases":["last_idx_scan","pg_stat_sys_indexes"],"category":"pg_stat_sys_indexes","content_hash":"96f08345ea532668a5bd0f90aa2962f06e554bc29988adce5885397af5995031","derived_content_hash":"973558d1fdf1f800c0cba03d5a22b360561c62ba172ddea48b3ba03a2d5095c6","imported_at":"2026-09-30T00:40:46.267254+08:00","name":"pg_stat_sys_indexes.last_idx_scan","name_zh":"","slug":"pg_stat_sys_indexes-last_idx_scan","summary":"The time of the last scan on this index, based on the most recent transaction stop time"}},"Definition":{"Collection":"metric","Key":"pg_stat_sys_indexes-last_idx_scan","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_sys_indexes-last_idx_scan","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"last_idx_scan","sql_type":"timestamp with time zone","units_mentioned":[],"view":"pg_stat_sys_indexes"},"comparison_hash":"3d6181569449b68908865bc499aada4fb0cfd97fdefcf263409d8e20a90f7138","description":["The time of the last scan on this index, based on the most recent transaction stop time"],"description_zh":"此索引上最后一次扫描的时间，基于最近的事务停止时间","description_zh_html":"\u003cp\u003epg_stat_sys_indexes.last_idx_scan 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_sys_indexes\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003elast_idx_scan\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此索引上最后一次扫描的时间，基于最近的事务停止时间\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_sys_indexes"},{"label":"Field","value":"last_idx_scan"},{"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_sys_indexes"},{"label":"字段","value":"last_idx_scan"},{"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_idx_scan","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_sys_indexes columns","url":"/wiki/catalog/pg_stat_sys_indexes/?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_indexes, except that only indexes on system tables are shown."],"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_idx_scan FROM pg_catalog.pg_stat_sys_indexes;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"sections_zh":[{"paragraphs":["与 pg_stat_all_indexes 相同，但仅显示系统表的索引。"],"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_idx_scan FROM pg_catalog.pg_stat_sys_indexes;","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_idx_scan FROM pg_catalog.pg_stat_sys_indexes;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#id-1.6.14.7.6.8.2.2.18.1.2"}],"sql_type":"timestamp with time zone","tables":[],"tables_zh":[],"units_mentioned":[],"view":"pg_stat_sys_indexes","zh_from":{"authored_translation":"source-derived-structured-summary","body_sha256":"4944b138e7dbd41b43999b8a669d3c65597699c4cc14420f849e99200253bd1f","kind":"same-version-chinese-manual-with-source-derived-structured-summary","manual":{"anchor":"","build_id":107,"column":"last_idx_scan","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#id-1.6.14.7.6.8.2.2.18.1.2"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_sys_indexes-last_idx_scan","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_sys_indexes.last_idx_scan","Summary":"The time of the last scan on this index, based on the most recent transaction stop time","BodyHTML":"\u003cp\u003eThe time of the last scan on this index, based on the most recent transaction stop time\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"d20a4045dd1031ab001f0b3ea499662ce0970830a13d76d7af19df6756dce93c","Payload":{"description":["The time of the last scan on this index, based on the most recent transaction stop time"],"manual_html":"","related":[{"label":"pg_stat_sys_indexes columns","url":"/wiki/catalog/pg_stat_sys_indexes/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["Same as pg_stat_all_indexes, except that only indexes on system tables are shown."],"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_idx_scan FROM pg_catalog.pg_stat_sys_indexes;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"en","Fallback":false,"Versions":["16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}