select pg_cancel_backend(140650678843136) --- 来查看有哪些SQL正在执行。 waiting='t' select pid,backend_start,application_name,query_start,waiting,state ,query from pg_stat_activity where query <>'' order by query_start as
杀掉指定表指定锁的进程 selectpg_cancel_backend(a.pid)frompg_locks ajoinpg_class bona.relation= b.oidjoinpg_stat_activity cona.pid = c.pidwhereb.relname ilike'表名'anda.mode like'%ExclusiveLock%'; AI代码助手复制代码 --或者使用更加霸道的pg_terminate_backend(): selectpg_terminate_backend(a...
sql -- 取消锁定的后台进程 SELECT pg_cancel_backend(process_id) FROM ( SELECT pg_locks.pid AS process_id FROM pg_locks JOIN pg_class ON pg_locks.relation = pg_class.oid WHERE pg_locks.granted = false AND pg_class.relname = '你的表名' ) AS locked_processes; -- 如果需要强制终止 SEL...
-- 以下358009为步骤1中查询到的死锁表的oid select 'select pg_cancel_backend( '''|| pid ||''');' pid from pg_locks where relation='358009'
SELECT pid FROM PG_LOCKS WHERE relation in ( SELECT relnamespace, reltype, oid FROM PG_CLASS WHERE RELNAME LIKE '%tablename%'); 然后,将pid数组 select pg_cancel_backend(pid[0]); select pg_cancel_backend(pid[1]); select pg_cancel_backend(pid[i]);...
对于上面的方法查出来的慢SQL,首先需要做的可能是Cancel或Kill掉他们,使业务先恢复: selectpg_cancel_backend(pid)frompg_stat_activitywherequerylike'%<query text>%'andpid != pg_backend_pid();selectpg_terminate_backend(pid)frompg_stat_activitywherequerylike'%<query text>%'andpid != pg_backend_pid...
1)pg_cancel_backend(pid):取消一个正在执行的SQL; 2)pg_terminate_backend(pid):终止一个后台服务进程,同时释放此后台服务进程的资源。 这两个函数的区别是:pg_cancel_backend()函数实际上是给正在执行的SQL任务配置一个取消标志,正在执行的任务是在合适的时候检测到此标志后主动退出;但如果这个任务没有主动检测...
pg_blocking_pids(pid) as blocked_by,query as blocked_query from pg_stat_activity where cardinality(pg_blocking_pids(pid)) > 0;释放锁：kill 命令，SELECT pg_cancel_backend(PID); 或 SELECT pg_terminate_backend(PID);十、查询 PostgreSQL 版本信息 执行查询：show server_version;
kill有两种方式,第一种是: SELECT pg_cancel_backend(PID); 这种方式只能kill select查询,对update、delete 及DML不生效) 第二种是: SELECT pg_terminate_backend(PID); 这种可以kill掉各种操作(select、update、delete、drop等)操作 10、查询pgsql的版本 show server_version发布于 2023-08-22 10:51・河北 ...
pg_stat_get_backend_activity_start(S.backendid)ASSTART, pg_stat_get_backend_activity(S.backendid)AScurrent_queryFROM(SELECTpg_stat_get_backend_idset()ASbackendid)ASS )ASSWHEREcurrent_query<>'<IDLE>'ORDERBYlapDESC; SELECT pg_cancel_backend(25749); ...