REVOKE ALL ON FUNCTION public.has_role(uuid, public.app_role) FROM PUBLIC, anon; GRANT EXECUTE ON FUNCTION public.has_role(uuid, public.app_role) TO authenticated, service_role; REVOKE ALL ON FUNCTION public.handle_new_user() FROM PUBLIC, anon, authenticated; REVOKE ALL ON FUNCTION public.update_updated_at_column() FROM PUBLIC, anon, authenticated;