{"Entry":{"collection":"metric","key":"pg_stat_progress_copy-datname","name":"pg_stat_progress_copy.datname","aliases":["datname","pg_stat_progress_copy"],"metadata":{"aliases":["datname","pg_stat_progress_copy"],"category":"pg_stat_progress_copy","content_hash":"e1ce45238022d671f48c751fcc18a036c4570bd28d52124ac3f270c2c060c8eb","derived_content_hash":"407e223ee4159db98dc8c2775ae6d7233e9b42e0c4a9593f4cb28b9d083f46a7","imported_at":"2026-09-30T00:40:45.848791+08:00","name":"pg_stat_progress_copy.datname","name_zh":"","slug":"pg_stat_progress_copy-datname","summary":"Name of the database to which this backend is connected."}},"Definition":{"Collection":"metric","Key":"pg_stat_progress_copy-datname","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_progress_copy-datname","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"datname","sql_type":"name","units_mentioned":[],"view":"pg_stat_progress_copy"},"comparison_hash":"6af4b735d16ddc28a328998ab296e2ea84f75266d3985ee2aa167672aab95b6f","description":["Name of the database to which this backend is connected."],"description_zh":"后端连接到的数据库的名称。","description_zh_html":"\u003cp\u003epg_stat_progress_copy.datname 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_progress_copy\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003edatname\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003ename\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后端连接到的数据库的名称。\u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/progress-reporting.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_progress_copy"},{"label":"Field","value":"datname"},{"label":"SQL type","value":"name"},{"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_progress_copy"},{"label":"字段","value":"datname"},{"label":"SQL 类型","value":"name"},{"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":"datname","manual_html":"","manual_path":"/docs/18/progress-reporting.html","related":[{"label":"pg_stat_progress_copy columns","url":"/wiki/catalog/pg_stat_progress_copy/?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":["Whenever COPY is running, the pg_stat_progress_copy view will contain one row for each backend that is currently running a COPY command. The table below describes the information that will be reported and provides information about how to interpret it."],"title":"View semantics"},{"paragraphs":["Read the same-version statistics collection and view documentation below for reset scope and visibility. 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