这篇文章主要介绍了PostgreSQL查看正在执行的任务并强制结束的操作方法,本文给大家介绍的非常详细，对大家的学习或工作具有一定的参考借鉴价值，需要的朋友可以参考下
查看任务sql语句：
SELECT procpid, start, now() - start AS lap, current_query FROM (SELECT backendid, pg_stat_get_backend_pid(S.backendid) AS procpid, pg_stat_get_backend_activity_start(S.backendid) AS start, pg_stat_get_backend_activity(S.backendid) AS current_query FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS S ) AS S WHERE current_query <> '' ORDER BY lap DESC;
其中
procpid：进程id
start：进程开始时间
lap：经过时间
current_query：执行中的sql
强制停止某一个任务：
SELECT pg_cancel_backend(进程id);
补充：
SELECT pid, datname AS db, query_start AS start, now() - query_start AS lap, query FROM pg_stat_activity WHERE state <> 'idle' and query not like '%pg_stat_activity%' and (now() - query_start) > interval '10 seconds';
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