sql处理数据库锁的存储过程

时间:2023-01-05 14:01:57

/*--处理死锁

 

 查看当前进程,或死锁进程,并能自动杀掉死进程

 

 因为是针对死的,所以如果有死锁进程,只能查看死锁进程

 当然,你可以通过参数控制,不管有没有死锁,都只查看死锁进程

 

--邹建 2004.4--*/

 

/*--调用示例

 

 exec p_lockinfo1

--*/

alter proc p_lockinfo1

@kill_lock_spid bit=1,  --是否杀掉死锁的进程,1 杀掉, 0 仅显示

@show_spid_if_nolock bit=1 --如果没有死锁的进程,是否显示正常进程信息,1 显示,0 不显示

as

declare @count int,@s nvarchar(max),@i int

select id=identity(int,1,1),标志,

 进程ID=spid,线程ID=kpid,块进程ID=blocked,数据库ID=dbid,

 数据库名=db_name(dbid),用户ID=uid,用户名=loginame,累计CPU时间=cpu,

 登陆时间=login_time,打开事务数=open_tran, 进程状态=status,

 工作站名=hostname,应用程序名=program_name,工作站进程ID=hostprocess,

 域名=nt_domain,网卡地址=net_address

into #t from(

 select 标志='死锁的进程',

  spid,kpid,a.blocked,dbid,uid,loginame,cpu,login_time,open_tran,

  status,hostname,program_name,hostprocess,nt_domain,net_address,

  s1=a.spid,s2=0

 from master..sysprocesses a join (

  select blocked from master..sysprocesses group by blocked

  )b on a.spid=b.blocked where a.blocked=0

 union all

 select '|_牺牲品_>',

  spid,kpid,blocked,dbid,uid,loginame,cpu,login_time,open_tran,

  status,hostname,program_name,hostprocess,nt_domain,net_address,

  s1=blocked,s2=1

 from master..sysprocesses a where blocked<>0

)a order by s1,s2

 

select @count=@@rowcount,@i=1

 

if @count=0 and @show_spid_if_nolock=1

begin

 insert #t

 select 标志='正常的进程',

  spid,kpid,blocked,dbid,db_name(dbid),uid,loginame,cpu,login_time,

  open_tran,status,hostname,program_name,hostprocess,nt_domain,net_address

 from master..sysprocesses

 set @count=@@rowcount

end

 

if @count>0

begin

 create table #t1(id int identity(1,1),a nvarchar(max),b Int,EventInfo nvarchar(max))

 if @kill_lock_spid=1

 begin

  declare @spid varchar(max),@标志 varchar(max)

  while @i<=@count

  begin

   select @spid=进程ID,@标志=标志 from #t where id=@i

   insert #t1 exec('dbcc inputbuffer('+@spid+')')

   if @标志='死锁的进程' exec('kill '+@spid)

   set @i=@i+1

  end

 end

 else

  while @i<=@count

  begin

   select @s='dbcc inputbuffer('+cast(进程ID as varchar(max))+')' from #t where id=@i

   insert #t1 exec(@s)

   set @i=@i+1

  end

 select a.*,进程的SQL语句=b.EventInfo

 from #t a join #t1 b on a.id=b.id

end

go