{"Entry":{"collection":"metric","key":"pg_stat_database-session_time","name":"pg_stat_database.session_time","aliases":["session_time","pg_stat_database"],"metadata":{"aliases":["session_time","pg_stat_database"],"category":"pg_stat_database","content_hash":"294718153abf5481076ed95a8ac62d24f82f4e8a2c573ab5596449c5e13f53d3","derived_content_hash":"29eccd14ce6615b1a81fe8d5d73d789d4baf267e16b433914194bb8523e9fd90","imported_at":"2026-09-30T00:40:45.571396+08:00","name":"pg_stat_database.session_time","name_zh":"","slug":"pg_stat_database-session_time","summary":"Time spent by database sessions in this database, in milliseconds (note that statistics are only updated when the state of a session changes, so if sessions have been idle for a long time, this idle time won't be included)"}},"Definition":{"Collection":"metric","Key":"pg_stat_database-session_time","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_database-session_time","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"session_time","sql_type":"double precision","units_mentioned":["milliseconds"],"view":"pg_stat_database"},"comparison_hash":"1beb272eb61c04d4c0b6863d42a323a5a1918beb15c7c845615e0078faecce23","description":["Time spent by database sessions in this database, in milliseconds (note that statistics are only updated when the state of a session changes, so if sessions have been idle for a long time, this idle time won't be included)"],"description_zh":"此数据库中数据库会话所消耗的时间，以毫秒计（注意统计信息仅在会话状态发生变化时更新，因此如果会话空闲很长时间，则不包括此空闲时间）","description_zh_html":"\u003cp\u003epg_stat_database.session_time 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_database\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003esession_time\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003edouble precision\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此数据库中数据库会话所消耗的时间，以毫秒计（注意统计信息仅在会话状态发生变化时更新，因此如果会话空闲很长时间，则不包括此空闲时间）\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_database"},{"label":"Field","value":"session_time"},{"label":"SQL type","value":"double precision"},{"label":"Units named in the field definition","value":"milliseconds"},{"label":"Reset observation","value":"Time at which these statistics were last reset"}],"facts_zh":[{"label":"视图","value":"pg_stat_database"},{"label":"字段","value":"session_time"},{"label":"SQL 类型","value":"double precision"},{"label":"字段定义记载的单位","value":"milliseconds"},{"label":"重置条件","value":"这些统计上次重置的时间"}],"field":"session_time","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_database columns","url":"/wiki/catalog/pg_stat_database/?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_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics."],"title":"View semantics"},{"paragraphs":["Read the same-version statistics collection and view documentation below for reset scope and visibility. 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