DB관련 업무를 하다 사용하게 되었다.
create procedure sys.sp_lock --- 1996/04/08 00:00
@spid1 int = NULL, /* server process id to check for locks */
@spid2 int = NULL /* other process id to check for locks */
as
set nocount on
/*
** Show the locks for both parameters.
*/
set transaction isolation level read committed
if @spid1 is not NULL
begin
select convert (smallint, req_spid) As spid,
rsc_dbid As dbid,
rsc_objid As ObjId,
rsc_indid As IndId,
substring (v.name, 1, 4) As Type,
substring (rsc_text, 1, 32) as Resource,
substring (u.name, 1, 8) As Mode,
substring (x.name, 1, 5) As Status
from master.dbo.syslockinfo,
master.dbo.spt_values v,
master.dbo.spt_values x,
master.dbo.spt_values u
where master.dbo.syslockinfo.rsc_type = v.number
and v.type = 'LR'
and master.dbo.syslockinfo.req_status = x.number
and x.type = 'LS'
and master.dbo.syslockinfo.req_mode + 1 = u.number
and u.type = 'L'
and req_spid in (@spid1, @spid2)
end
/*
** No parameters, so show all the locks.
*/
else
begin
select convert (smallint, req_spid) As spid,
rsc_dbid As dbid,
rsc_objid As ObjId,
rsc_indid As IndId,
substring (v.name, 1, 4) As Type,
substring (rsc_text, 1, 32) as Resource,
substring (u.name, 1, 8) As Mode,
substring (x.name, 1, 5) As Status
from master.dbo.syslockinfo,
master.dbo.spt_values v,
master.dbo.spt_values x,
master.dbo.spt_values u
where master.dbo.syslockinfo.rsc_type = v.number
and v.type = 'LR'
and master.dbo.syslockinfo.req_status = x.number
and x.type = 'LS'
and master.dbo.syslockinfo.req_mode + 1 = u.number
and u.type = 'L'
order by spid
end
return (0) -- sp_lock
..
음.. 이쪽분야는 전문이 아닌데 그냥 SP로 만들어서 믿고쓰면된다라고 아직까지 잘 먹고 살고있긴한데.
