CREATE OR REPLACE VIEW pg_group_long AS
	SELECT ''::name AS groname
			, 1::integer AS grosysid
			, 1::integer AS usesysid;

CREATE OR REPLACE FUNCTION pg_group_long()
  RETURNS setof pg_group_long
  AS 'MODULE_PATHNAME','pg_group_long' LANGUAGE 'c' VOLATILE;

CREATE OR REPLACE FUNCTION expand_array(text,int)
  RETURNS setof record
  AS 'MODULE_PATHNAME','expand_array_srf' LANGUAGE 'c' VOLATILE;

--
-- examples of use on pg_group
--

select * from pg_group;

select * from pg_group_long();

select * from expand_array('select groname, grosysid, grolist from pg_group', 3) AS grps(grp name, grpid int, useid int);