Sql Server 死锁查询和解除示例

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/*

exec master.dbo.p_lockinfo 0,0  ---显示死锁的进程,不显示正常的进程

exec master.dbo.p_lockinfo 1,0  ---杀死死锁的进程,不显示正常的进程

*/

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
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