{"Entry":{"collection":"role","key":"pg_stat_scan_tables","name":"pg_stat_scan_tables","aliases":[],"metadata":{"aliases":[],"category":"Monitoring and statistics","content_hash":"02d8b39ab1178693e7d01101c4cad60e4749e97dff1287001352d0b576fc0ac2","derived_content_hash":"24172600d7064651df0068cded0f9aa0338384a487ec718c57a29b05754c7b9d","imported_at":"2026-09-27T17:57:59.063031+08:00","name":"pg_stat_scan_tables","name_zh":"pg_stat_scan_tables","repair_provenance":{"original_source_revision":"","receipt_sha256":"e8b0ef09383072e12a9e65cbe6e50bb5e5c9895f44de3622ea0318d2e6edcf61","repair":"wiki-repair-20261023"},"slug":"pg_stat_scan_tables","source_rev":"wiki-repair-20261023:9dc8e3c7c98c282acf1f85f584324c92a95fa82d9b38e99596cd49105583d534","summary":"pg_stat_scan_tables allows executing monitoring functions that may take ACCESS SHARE locks on tables, potentially for a long time (e.g., pgrowlocks(text) in the pgrowlocks extension)."}},"Definition":{"Collection":"role","Key":"pg_stat_scan_tables","SourceDatabase":"center","Version":"18","SourceTable":"predefined_role","SourceKey":"pg_stat_scan_tables","SourceRevision":"b7ebd726e6017f55081b4034b96d6a3289ae7937a26adaf72e58b9a08e009c75","Facts":{"description":["pg_stat_scan_tables allows executing monitoring functions that may take ACCESS SHARE locks on tables, potentially for a long time (e.g., pgrowlocks(text) in the pgrowlocks extension)."],"description_zh":"这些角色旨在让管理员能够方便地为监控数据库服务器配置一个角色。它们授予一组常见权限，使该角色能够读取各种有用的配置设置、统计信息以及其他通常仅限超级用户查看的系统信息。","description_zh_html":"\u003cp\u003e\n       这些角色旨在让管理员能够方便地为监控数据库服务器配置一个角色。它们授予一组常见权限，使该角色能够读取各种有用的配置设置、统计信息以及其他通常仅限超级用户查看的系统信息。\n      \u003c/p\u003e\u003cp\u003e\n\u003ccode class=\"literal\"\u003epg_stat_scan_tables\u003c/code\u003e 允许执行可能在表上持有 \u003ccode class=\"literal\"\u003eACCESS SHARE\u003c/code\u003e 锁并持续较长时间的监控函数（例如 \u003ccode class=\"function\"\u003epgrowlocks(text)\u003c/code\u003e，见 \u003ca class=\"xref\" href=\"/zh/docs/18/pgrowlocks.html\" title=\"F.31. pgrowlocks — 显示表的行锁信息\"\u003epgrowlocks\u003c/a\u003e 扩展）。\n      \u003c/p\u003e","facts":[{"label":"Name","value":"pg_stat_scan_tables"},{"label":"Manual terminology","value":"Predefined roles"}],"related":[{"label":"pgrowlocks","url":"/docs/18/pgrowlocks.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"PostgreSQL 18.6 Documentation","revision":"b7ebd726e6017f55081b4034b96d6a3289ae7937a26adaf72e58b9a08e009c75"},"sections":[{"paragraphs":["These roles are intended to allow administrators to easily configure a role for the purpose of monitoring the database server. 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