Re: Multi-column returns from pgsql

Mark,

Instead of RETURN NEXT rec.txt1; RETURN NEXT rec.txt2; just use RETURN NEXT rec;

then your select statement would be
select * from my_func() as (txt1 text,txt2 text);

Jim

---------- Original Message -----------
From: "Mark R. Dingee" <mark(dot)dingee(at)cox(dot)net>
To: pgsql-sql(at)postgresql(dot)org
Sent: Fri, 22 Jul 2005 11:49:21 -0400
Subject: [SQL] Multi-column returns from pgsql

> Hi Everyone,
>
> Does anyone know if/how it's possible to return multi-column sets from a pgsql
> function? Right now I'm using something like the following as a work around
>
> CREATE OR REPLACE FUNCTION my_func() returns SETOF TEXT AS '
> DECLARE
> rec record;
> BEGIN
> FOR rec IN SELECT txt1, txt2 FROM mytable LOOP
> RETURN NEXT rec.txt1;
> RETURN NEXT rec.txt2;
> END LOOP;
> RETURN;
> END;' language 'plpgsql';
>
> which leaves me parsing multiple records to achieve the desired end result.
>
> Anyone have any thoughts?
>
> Thanks,
> Mark
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
------- End of Original Message -------