Thread: returning a resultset from a function

Hi,

How do I return a result set? Is there a better way in 'plpgsql' than the one described below?
I do not want to make a select from a function(which pretty useful in many cases):
SELECT * FROM getfoo();
, but I want to just call the function with SELECT getfoo();


--DROP FUNCTION getfoo();
--DROP type compfoo;

CREATE TYPE compfoo AS (f1 integer,f2 integer);

CREATE OR REPLACE FUNCTION getfoo() RETURNS SETOF compfoo
AS
$BODY$
declare
    ret_row record;
BEGIN

     FOR ret_row IN SELECT id,mun_id FROM mytable LOOP

          RETURN next ret_row;

     END LOOP;
     
RETURN;
END;
$BODY$
  LANGUAGE 'plpgsql';

On Feb 15, 2008, at 2:56 PM, Anton Andreev wrote:

> Hi,
>
> How do I return a result set? Is there a better way in 'plpgsql'
> than the one described below?
> I do not want to make a select from a function(which pretty useful
> in many cases):
> SELECT * FROM getfoo();
> , but I want to just call the function with SELECT getfoo();

This article covers a way to do that: http://www.postgresonline.com/
journal/index.php?/categories/9-advanced.

Erik Jones

DBA | Emma®
erik@myemma.com
800.595.4401 or 615.292.5888
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