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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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