sql处理数据库锁的存储过程分享

邹建 2004.4

代码如下:

/*--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

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