postgresql查看锁表的进程

最新推荐文章于 2025-05-14 06:02:55 发布

原创最新推荐文章于 2025-05-14 06:02:55 发布 · 768 阅读

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#postgresql #数据库

本文解析了如何通过SQL查询获取特定表的名称、所属数据库、锁定进程信息、客户端地址及锁模式，重点在于针对'tablename'的表级锁定情况的详细查看。

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select pg_class.relname AS 表名,pg_database.datname AS 数据库,pg_locks.pid as pg进程,client_addr || ‘:’ || client_port as 客户端地址,mode,
pg_stat_activity.application_name as 程序名称 from pg_locks,pg_class,pg_database,pg_stat_activity
where pg_locks.relation = pg_class.oid and pg_class.reltype != 0 and pg_locks.database = pg_database.oid and pg_locks.pid = pg_stat_activity.pid
and pg_class.relname = ‘tablename’;