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  • SQL检查死锁情况

    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
    
    exec sp_who_lock
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  • 原文地址:https://www.cnblogs.com/StupidsCat/p/2997242.html
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