Re: PL/SQL question

"Jeff" <zheli2001_at_yahoo.com> ???????/???????? ? ???????? ?????????: news:41266446.0206060743.21750974_at_posting.google.com...
> Hello All:
>
> In a PL/SQL procedure, I was tring to use a "in" statment in a select
> query. But for some reason it did work. Here is my code:
>
> SQL> declare
> 2 v_addtype varchar2(100) := '''m'',''mb''';
> 3 i number;
> 4 Begin
> 5 SELECT count(*) into i
> 6 FROM UserAddr
> 7 WHERE addrtype in (v_addtype);
> 8 DBMS_OUTPUT.put_line('##### count = ' || i||' #####' );
> 9 End;
> 10 /
> ##### count = 0 #####
>
> PL/SQL procedure successfully completed.
>
> But if I put directly use the value instead of using the variable
> "v_addtype". It works fine:
>
> SQL> declare
> 2 i number;
> 3 Begin
> 4 SELECT count(*) into i
> 5 FROM UserAddr
> 6 WHERE addrtype in ('m','mb');
> 7 DBMS_OUTPUT.put_line('##### count = ' || i||' #####' );
> 8 End;
> 9 /
> ##### count = 265 #####
>
> PL/SQL procedure successfully completed.
>
> What was wrong in my first statement?
>
> Great thanks for any help.
>
> Jeff

What's the type of UserAddr.addrtype? Is it CHAR? If so try use TRIM or RTRIM functions:

       WHERE trim(addrtype) in (v_addtype);

Best regards,
Sergey Adamenko Received on Thu Jun 06 2002 - 13:26:30 CDT