create
procedure
sp_updatebulletinbyworkid
@workid
varchar(6
),@id
int,
@retflag
intout
asdeclare
@pointerprev
intdeclare
@pointercurr
intdeclare
@workreader
varchar
(100
)declare
@temp
varchar(10
)set
@pointerprev=1
set@pointercurr=1
begin
transaction
setnocount
onif
exists
(select
@workreader
=workidreader
from
bulletin
whereid=
@id)
begin
set@pointercurr
=charindex('
,'
,@workreader
,@pointerprev+1
)set
@temp
=cast
(substring
(@workreader
,@pointerprev
,@pointercurr
-@pointerprev
) as
varchar)if
@temp
=@workid
begin
set@retflag=0
return
endset
@pointerprev
=@pointercurr
while
(@pointerprev+1
<
len(
@workreader
))begin
set@pointercurr
=charindex('
,'
,@workreader
,@pointerprev+1
)if
(@pointercurr
>0)
begin
set@temp
=cast
(substring
(@workreader
,@pointerprev+1
,@pointercurr
-@pointerprev-1
) as
varchar)if
@temp
=@workid
begin
set@retflag=0
return
endend
endset
@temp
=cast
(substring
(@workreader
,@pointerprev+1
,len
(@workreader)-
@pointerprev
) as
varchar)if
@temp
=@workid
begin
set@retflag=0
return
endend
update
bulletin
setworkidreader
=workidreader+'
,'
+@workid
select
*from
bulletin
whereid=
@idset
nocount
offbegin
set@retflag=1
return
endif
@@error=0
begin
commit
transaction
endelse
begin
rollback
transaction
endgo
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