Sql解锁 数据库死锁检测

ALTER procedure [dbo].[sp_check_deadlock]

  as
set nocount on

  /*
  select 
  spid As 被锁进程ID,
  blocked As 锁进程ID, 
  status  As 被锁状态, 
  SUBSTRING(SUSER_SNAME(sid),1,30) 被锁进程登陆帐号, 
  SUBSTRING(hostname,1,12) As 被锁进程用户机器名称, 
  SUBSTRING(DB_NAME(dbid),1,10) As 被锁进程数据名称, 
  cmd 被锁进程命令, 
  waittype 被锁进程等待类型
  FROM master..sysprocesses 
  WHERE blocked>0 
   
  –dbcc inputbuffer(66) 输出相关锁进程的语句

  — kill 24   杀掉被锁进程
   */
   
  –创建锁进程临时表
  CREATE TABLE #templocktracestatus (  
          EventType varchar(max),  
          Parameters INT,  
          EventInfo varchar(max)  
          )
  –创建被锁进程临时表
  CREATE TABLE #tempbelocktracestatus (  
          EventType varchar(max),  
          Parameters INT,
          EventInfo varchar(max)  
          )

–创建之间的关联表
CREATE TABLE #locktracestatus (  
        belockspid INT,  
        belockspidremark varchar(max),  
        belockEventType varchar(max),  
        belockEventInfo varchar(max),  
        lockspid INT,  
        lockspidremark varchar(max),  
        lockEventType varchar(max),  
        lockEventInfo varchar(max)  
        )
   
  –获取死锁进程
  DECLARE dbcc_inputbuffer CURSOR READ_ONLY
 FOR select spid 被锁进程ID,blocked 锁进程ID  FROM master..sysprocesses   WHERE blocked>0 
   
  DECLARE @lockedspid int
  DECLARE @belockedspid int
   
  OPEN dbcc_inputbuffer
   
  FETCH NEXT FROM dbcc_inputbuffer INTO  @belockedspid,@lockedspid    WHILE (@@fetch_status <> -1)
  BEGIN
  
  IF (@@fetch_status <> -2)
  BEGIN
–print ’被堵塞进程’  
–select @belockedspid  
–dbcc inputbuffer(@belockedspid)  
–print ’堵塞进程’  
–select @lockedspid  
–dbcc inputbuffer(@lockedspid)
   INSERT INTO #tempbelocktracestatus  
   EXEC(’DBCC INPUTBUFFER(’+@belockedspid+’)’)
  
   INSERT INTO #templocktracestatus   
   EXEC(’DBCC INPUTBUFFER(’+@lockedspid+’)’)
  
   INSERT INTO #locktracestatus  
   select @belockedspid,’被锁进程’,a.EventType,a.EventInfo,@lockedspid,’锁进程’,b.EventType,b.EventInfo
     from #tempbelocktracestatus  a,#templocktracestatus b
  END
  
  FETCH NEXT FROM dbcc_inputbuffer INTO @belockedspid,@lockedspid
  END
   
  CLOSE dbcc_inputbuffer
  DEALLOCATE dbcc_inputbuffer
  select * from #locktracestatus
   
  return (0) — sp_check_deadlock
  — sp_who

  — kill 24   杀掉被锁进程