if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_who_lock]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop procedure [dbo].[sp_who_lock] GO /*************************************************************************** // 创建 : fengyu 邮件 : maggiefengyu@tom.com 日期 :2004-04-30 // 修改 : 从http://www.csdn.net/develop/Read_Article.asp?id=26566学习到并改写 // 说明 : 查看数据库里阻塞和死锁情况 ***************************************************************************/ use master go create procedure 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 sysprocesses where blocked>0 ) a where not exists(select * from (select * from sysprocesses where blocked>0 ) b where a.blocked=spid) union select spid,blocked from 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
exec sp_who_lock
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