查看数据库里阻塞和死锁情况.sql

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