>You could prevent that using a cast. However calling such a function wouldn't be feasible. Instead youı might do somethging like:
>
>

select rta_elements.*, cast(nvl(tmp.amount,0) as y) as expended ;
>  from rta_elements ;
>  left join ;
>  (select  cast(val(substr(sponsor_id,5,2)) as int) as sponsor_id, sum(amount) as amount ;
>     from tip ;
>         inner join ledger on ledger.tip_id = tip.tip_id and source="RTA" ;
>         group by 1) tmp ;
>  on tmp.sponsor_id = rta_elements.elementnum ;
>  order by elementnum
>

Cetin

Re: Functions in a select Thread #1341594 Message #1341631

:)