查看数据库里阻塞和死锁情况.sql

全栈程序员-用户IM • 2021年4月25日下午4:00 • 未分类

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