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