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死锁检测
/****** Object: StoredProcedure [dbo].[sp_who_lock] Script Date: 09/15/2014 11:55:46 ******/ SET ANSI_NULLS ON GO
SET QUOTED_IDENTIFIER ON GO
CREATE procedure [dbo].[sp_who_lock] as begin declare @spid int,@bl int, @intTransactionCountOnEntry int, @intRowcount int, @intCountProperties int, @intCounter int
create table #tmp_lock_who ( id int identity(1,1), spid smallint, bl smallint) IF @@ERROR<>0 RETURN @@ERROR insert into #tmp_lock_who(spid,bl) select 0 ,blocked from (select * from sys.sysprocesses where blocked>0 ) a where not exists(select * from (select * from sys.sysprocesses where blocked>0 ) b where a.blocked=spid) union select spid,blocked from sys.sysprocesses where blocked>0
IF @@ERROR<>0 RETURN @@ERROR -- 找到临时表的记录数 select @intCountProperties = Count(*),@intCounter = 1 from #tmp_lock_who IF @@ERROR<>0 RETURN @@ERROR if @intCountProperties=0 select ‘现在没有阻塞和死锁信息‘ as message
-- 循环开始 while @intCounter <= @intCountProperties begin -- 取第一条记录 select @spid = spid,@bl = bl from #tmp_lock_who where Id = @intCounter begin if @spid =0 select ‘引起数据库死锁的是: ‘+ CAST(@bl AS VARCHAR(10)) + ‘进程号,其执行的SQL语法如下‘ else select ‘进程号SPID:‘+ CAST(@spid AS VARCHAR(10))+ ‘被‘ + ‘进程号SPID:‘+ CAST(@bl AS VARCHAR(10)) +‘阻塞,其当前进程执行的SQL语法如下‘ DBCC INPUTBUFFER (@bl ) end
-- 循环指针下移 set @intCounter = @intCounter + 1 end
drop table #tmp_lock_who
return 0 end GO
死锁检测