查询Sqlserver数据库死锁的一个存储过程分享

使用sqlserver作为数据库的应用系统,都避免不了有时候会产生死锁， 死锁出现以后，维护人员或者开发人员大多只会通过sp_who来查找死锁的进程，然后用sp_kill杀掉。利用sp_who_lock这个存储过程，可以很方便的知道哪个进程出现了死锁，出现死锁的问题在哪里.

创建sp_who_lock存储过程

CREATE procedure sp_who_lock asbegindeclare @spid intdeclare @blk intdeclare @count intdeclare @index intdeclare @lock tinyintset @lock=0create table #temp_who_lock(id int identity(1,1),spid int,blk int)if @@error<>0 return @@errorinsert into #temp_who_lock(spid,blk)select 0 ,blockedfrom (select * from master..sysprocesses where blocked>0)awhere not exists(select * from master..sysprocesses where a.blocked =spid and blocked>0)union select spid,blocked from master..sysprocesses where blocked>0if @@error<>0 return @@errorselect @count=count(*),@index=1 from #temp_who_lockif @@error<>0 return @@errorif @count=0beginselect '没有阻塞和死锁信息'return 0endwhile @index<=@countbeginif exists(select 1 from #temp_who_lock a where id>@index and exists(select 1 from #temp_who_lock where id<=@index and a.blk=spid))beginset @lock=1select @spid=spid,@blk=blk from #temp_who_lock where id=@indexselect '引起数据库死锁的是: '+ CAST(@spid AS VARCHAR(10)) + '进程号,其执行的SQL语法如下'select @spid, @blkdbcc inputbuffer(@spid)dbcc inputbuffer(@blk)endset @index=@index+1endif @lock=0beginset @index=1while @index<=@countbeginselect @spid=spid,@blk=blk from #temp_who_lock where id=@indexif @spid=0select '引起阻塞的是:'+cast(@blk as varchar(10))+ '进程号,其执行的SQL语法如下'elseselect '进程号SPID：'+ CAST(@spid AS VARCHAR(10))+ '被' + '进程号SPID：'+ CAST(@blk AS VARCHAR(10)) +'阻塞,其当前进程执行的SQL语法如下'dbcc inputbuffer(@spid)dbcc inputbuffer(@blk)set @index=@index+1endenddrop table #temp_who_lockreturn 0end GO

在查询分析器中执行:

exec sp_who_lock

直到最后的结果为：**