CREATE OR REPLACE FUNCTION if(cond boolean DEFAULT NULL::boolean, "then" anyelement DEFAULT NULL::unknown, "else" anyelement DEFAULT NULL::unknown)

  RETURNS anyelement AS

$BODY$

SELECT util._if($1, $2, $3)

$BODY$

  LANGUAGE sql IMMUTABLE

  COST 100;

COMMENT ON FUNCTION if(boolean, anyelement, anyelement) IS '

wrapper that prevents views from getting dropped when the util schema is reinstalled

';

CREATE OR REPLACE FUNCTION ifnull(value anyelement, null_ anyelement)

  RETURNS anyelement AS

$BODY$

SELECT util.ifnull($1, $2)

$BODY$

  LANGUAGE sql IMMUTABLE

  COST 100;

COMMENT ON FUNCTION ifnull(anyelement, anyelement) IS '

wrapper that prevents views from getting dropped when the util schema is reinstalled

';