SELECT f1(1);			-- this does load balance
NOTICE:  DB node id: 1 statement: SELECT f1(1);
 f1 
----
  1
(1 row)

SELECT public.f2(1);	-- this does load balance
NOTICE:  DB node id: 1 statement: SELECT public.f2(1);
 f2 
----
  1
(1 row)

