死锁会报这样的信息: deadlock detected while updating tuple(187833,42) in relation "xx" Query: update .... ---------------- select ctid,* from xx where ctid > '(187830,11)' and ctid < '(187833,88)' order by ctid ---------------- tuple(187833,42)这是个存储位置信息,数据貌似会变吧。