--查询阻塞的sql( 死锁了,没有执行通过的sql )

select * from pg_stat_activity aa,

(

select a.locktype,a.database,a.pid,a.mode,a.relation,b.relname from pg_locks a join pg_class b on a.relation=b.oid

 where upper(b.relname)='FX_WDSJ_DSZH'

) bb

where aa.pid=bb.pid

 and aa.waiting='t'



--释放 死锁的sql

select pg_cancel_backend(上面查询到的pid)

--查询是否锁表了

select oid from pg_class where relname='可能锁表了的表' --oid是每个表隐藏的id

select pid from pg_locks where relation='上面查出的oid'

--如果查询到了结果 则释放锁定

select pg_cancel_backend(上面查到的pid)
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