查看死锁的存储过程

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))+ ‘被‘ + ‘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