Re: [SQL] PL/PgSQL: selects into strings

> Hi list,
>
> I'm just added to the list and I'm not sure whether the following is a
> FAQ or not possible. Anyway, here it goes:
>
> Is there a way to execute a query stored in a string?
>
> I mean, something like:
>
> function test(text) as returns opaque as '
> declare
> v_weekday alias for $1;
> s_qry text;
> rec record;
> begin
> s_qry =3D ''select field1,field2, '' || v_weekday || '' from t_diary'';
> for rec in exec_sql(s_qry)
> -- ^ this is what I'm looking for...
> -- [do what is needed]
> loop
> end loop;
> end;
> ' language 'plpgsql';

PL/pgSQL doesn't support it. Could get implemented, in the
mean time look at PL/Tcl, it can do it already.

Jan

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