Why not like Interbase ?
when you define a procedure in Interbase, you a the 'suspend' instruction,
it suspend execution of the stored procedure and returns variables, then
come back to the procedure.
select * from myfunc('ba ba');
select mycol from myfunc('dada');
escuse my poor english :)
....
Mike Mascari wrote:
> I see Tom Lane implemented the SQL92 feature of using subselects in
> FROM clauses:
>
> CREATE TABLE foo (
> key integer not null,
> value text);
>
> SELECT * FROM (SELECT * FROM foo) AS bar
> WHERE bar.key = 1;
>
> Perhaps this is how functions returning sets should operate:
>
> SELECT titles.* FROM titles, (SELECT funct_set('blah blah')) AS bar
> WHERE titles.title = bar.title;
>
> FWIW,
>
> Mike Mascari
> mascarm@mascari.com