From: | "Joshua b(dot) Jore" <josh(at)greentechnologist(dot)org> |
---|---|
To: | Jeff Post <postjeff(at)uwm(dot)edu> |
Cc: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: Pl/Pgsql function troubles: FOLLOW UP |
Date: | 2002-04-17 12:26:44 |
Message-ID: | Pine.BSO.4.40.0204161840140.24267-100000@kitten.greentechnologist.org |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-novice |
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Consider this:
DROP FUNCTION list_of_membership(INTEGER,TEXT);
CREATE FUNCTION list_of_membership(INTEGER,TEXT) RETURNS TEXT AS '
DECLARE
membership_rec RECORD;
membership TEXT;
BEGIN
FOR membership_rec IN EXECUTE
''SELECT name FROM org_details WHERE person_id = ''::text
|| CAST($1 AS TEXT)
|| '' AND type = ''::text
|| quote_literal($2)
|| '' ORDER BY name;'';
LOOP
IF membership IS NULL THEN
membership := membership_rec.name;
ELSE
membership := membership
|| '', ''::text
|| membership_rec.name;
END IF;
END LOOP;
RETURN membership;
END;
' LANGUAGE 'plpgsql' WITH (isstrict);
And here is how you want to be calling the function.
SELECT list_of_membership(1,'department');
Joshua b. Jore
http://www.greentechnologist.org
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