--
-- content_type__unregister_mime_type/2
--
create or replace function content_type__unregister_mime_type(
  character varying,
  character varying
) returns int4 as $$

declare
  unregister_mime_type__content_type           alias for $1;  
  unregister_mime_type__mime_type              alias for $2;  
begin

  delete from cr_content_mime_type_map
    where content_type = unregister_mime_type__content_type
    and mime_type = unregister_mime_type__mime_type;

  return 0; 
end;$$ language plpgsql;