Sqlserver 锁表查询代码记录

--方法1
WITH    CTE_SID ( BSID, SID, sql_handle )
          AS ( SELECT   blocking_session_id ,
                        session_id ,
                        sql_handle
               FROM     sys.dm_exec_requests
               WHERE    blocking_session_id <> 0
               UNION ALL
               SELECT   A.blocking_session_id ,
                        A.session_id ,
                        A.sql_handle
               FROM     sys.dm_exec_requests A
                        JOIN CTE_SID B ON A.SESSION_ID = B.BSID
             )
    SELECT  C.BSID ,
            C.SID ,
            S.login_name ,
            S.host_name ,
            S.status ,
            S.cpu_time ,
            S.memory_usage ,
            S.last_request_start_time ,
            S.last_request_end_time ,
            S.logical_reads ,
            S.row_count ,
            q.text
    FROM    CTE_SID C 
            JOIN sys.dm_exec_sessions S ON C.sid = s.session_id
            CROSS APPLY sys.dm_exec_sql_text(C.sql_handle) Q
    ORDER BY sid



--方法二

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 print @@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 print @@ERROR 

  

-- 找到临时表的记录数
 select  @intCountProperties = Count(*),@intCounter = 1

 from #tmp_lock_who

 

 IF @@ERROR<>0 print @@ERROR 

 

 if @intCountProperties=0

  select N'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 N'引起数据库死锁的是: '+ CAST(@bl AS VARCHAR(10)) + N'进程号,其执行的SQL语法如下'

 else

            select N'进程号SPID：'+ CAST(@spid AS VARCHAR(10))+ N'被进程号SPID：'+ CAST(@bl AS VARCHAR(10)) +N'阻塞,其当前进程执行的SQL语法如下'

 DBCC INPUTBUFFER (@bl )

 end 



-- 循环指针下移
 set @intCounter = @intCounter + 1

end



drop table #tmp_lock_who