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  • SQLSERVER查询数据库死锁的存储过程

    USE [IdentityDemo]
    GO
    /****** Object:  StoredProcedure [dbo].[sp_who_lock]    Script Date: 2019/1/17 10:47:53 ******/
    SET ANSI_NULLS ON
    GO
    SET QUOTED_IDENTIFIER ON
    GO
    CREATE procedure [dbo].[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           
     
     

    使用方法:

    exec sp_who_lock  //执行死锁查询
    
    kill 54  //杀死阻塞的进程
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  • 原文地址:https://www.cnblogs.com/tangchun/p/10281021.html
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