SQL檢查死鎖情況

create

procedure
sp_who_lock 
asbegin
declare
@spid
intdeclare
@blk
intdeclare
@count
intdeclare
@index
intdeclare
@lock
tinyint
set@lock=0
create
table
#temp_who_lock 
( id 
intidentity(1,1
), spid 
int, 
blk 
int) 
if@@error
<>
0return
@@error
insert
into
#temp_who_lock(spid,blk) 
select
0,blocked 
from (select
*from master..sysprocesses where blocked>
0)a 
where
notexists(select
*from master..sysprocesses where a.blocked =spid and blocked>0) 
union
select spid,blocked from master..sysprocesses where blocked>0if
@@error
<>
0return
@@error
select
@count
=count(*),@index=1
from
#temp_who_lock 
if@@error
<>
0return
@@error
if@count=0
begin
select
'沒有阻塞和死鎖資訊
'return
0end
while
@index
<=
@count
begin
ifexists(select
1from #temp_who_lock a where id>
@index
andexists(select
1from #temp_who_lock where id<=
@index
and a.blk=
spid)) 
begin
set@lock=1
select
@spid
=spid,@blk
=blk from #temp_who_lock where id=
@index
select
'引起資料庫死鎖的是: '+
cast(@spid
asvarchar(10)) +
'程序號,其執行的sql語法如下
'select
@spid, @blk
dbcc inputbuffer(@spid
) dbcc inputbuffer(@blk
) end
set@index
=@index+1
endif
@lock=0
begin
set@index=1
while
@index
<=
@count
begin
select
@spid
=spid,@blk
=blk from #temp_who_lock where id=
@index
if@spid=0
select
'引起阻塞的是:'+
cast(@blk
asvarchar(10))+
'程序號,其執行的sql語法如下
'else
select
'程序號spid：'+
cast(@spid
asvarchar(10))+'被
'+'程序號spid：'+
cast(@blk
asvarchar(10)) +
'阻塞,其當前程序執行的sql語法如下
'dbcc inputbuffer(@spid
) dbcc inputbuffer(@blk
) set
@index
=@index+1
endend
drop
table
#temp_who_lock 
return
0end
goexec sp_who_lock

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