拍拍尘土

/*--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_lockinfo
--*/
create proc p_lockinfo
@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(1000),@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(30),b Int,EventInfo nvarchar(255))
if @kill_lock_spid=1
begin
        declare @spid varchar(10),@标志 varchar(10)
        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)+ ') ' 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