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  • 查询Sqlserver数据库死锁的一个存储过程

    使用sqlserver作为数据库的应用系统,都避免不了有时候会产生死锁, 死锁出现以后,维护人员或者开发人员大多只会通过sp_who来查找死锁的进程,然后用sp_kill杀掉。利用sp_who_lock这个存储过程,可以很方便的知道哪个进程出现了死锁,出现死锁的问题在哪里.

    创建sp_who_lock存储过程 

    CREATE procedure sp_who_lock 
    as     
    begin     
    declare @spid int     
       declare @blk int     
       declare @count int     
       declare @index int     
       declare @lock tinyint      
       set @lock=0      
       create table #temp_who_lock      
       (      
          id int identity(1,1),      
          spid int,      
    blk
    int ) if @@error<>0 return @@error insert into #temp_who_lock(spid,blk) select 0 ,blocked from (select * from master..sysprocesses where blocked>0)a where not exists(select * from master..sysprocesses where a.blocked =spid and blocked>0) union select spid,blocked from master..sysprocesses where blocked>0 if @@error<>0 return @@error select @count=count(*),@index=1 from #temp_who_lock if @@error<>0 return @@error if @count=0 begin select '没有阻塞和死锁信息' return 0 end while @index<=@count begin if exists(select 1 from #temp_who_lock a where id>@index and exists(select 1 from #temp_who_lock where id<=@index and a.blk=spid)) begin set @lock=1 select @spid=spid,@blk=blk from #temp_who_lock where id=@index select '引起数据库死锁的是: '+ CAST(@spid AS VARCHAR(10)) + '进程号,其执行的SQL语法如下' select @spid, @blk dbcc inputbuffer(@spid) dbcc inputbuffer(@blk) end set @index=@index+1 end if @lock=0 begin   set @index=1 while @index<=@count begin select @spid=spid,@blk=blk from #temp_who_lock where id=@index if @spid=0 select '引起阻塞的是:'+cast(@blk 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))+ '' + '进程号SPID:'+ CAST(@blk AS VARCHAR(10)) +'阻塞,其当前进程执行的SQL语法如下' dbcc inputbuffer(@spid) dbcc inputbuffer(@blk) set @index=@index+1 end end drop table #temp_who_lock return 0 end GO

    在查询分析器中执行:

    exec sp_who_lock

    Image_thumb

    直到最后的结果为:

    Image1_thumb

    转自博客园:http://www.cnblogs.com/mzhanker/archive/2011/06/04/2072739.html

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  • 原文地址:https://www.cnblogs.com/aaronguo/p/3863639.html
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