text: CREATE SCHEMA tester;
  
  CREATE FUNCTION public.my_support(internal) RETURNS internal
      LANGUAGE internal STRICT PARALLEL SAFE
      AS $$heap_tableam_handler$$;
  
  CREATE FUNCTION tester.my_support2(internal) RETURNS internal
      LANGUAGE internal STRICT PARALLEL SAFE
      AS $$heap_tableam_handler$$;
  
  CREATE OR REPLACE FUNCTION public.f_sp(s text) RETURNS text
      LANGUAGE plpgsql SUPPORT tester.my_support2
      AS $$begin return 'textttt'; end;$$;
  
  CREATE OR REPLACE FUNCTION public.f_sp_2(s text) RETURNS text
      LANGUAGE plpgsql SUPPORT public.my_support
      AS $$begin return 'textttt'; end;$$;