--
-- content_item__is_index_page/2
--
create or replace function content_item__is_index_page(
  integer,
  integer
) returns bool as $$

declare
  is_index_page__item_id                alias for $1;  
  is_index_page__folder_id              alias for $2;  
begin
  if content_folder__get_index_page(is_index_page__folder_id) = is_index_page__item_id then
    return 't';
  else
    return 'f';
  end if;
 
end;$$ language plpgsql;