String *Item_func_udf_int::val_str(String *str)
{
  DBUG_ASSERT(fixed == 1);
  longlong nr=val_int();
  if (null_value)
    return 0;
  str->set_int(nr, unsigned_flag, &my_charset_bin);
  return str;
}
String *Item_func_udf_int::val_str(String *str)
{
  DBUG_ASSERT(fixed == 1);
  longlong nr=val_int();
  if (null_value)
    return 0;
  str->set_int(nr, unsigned_flag, &my_charset_bin);
  return str;
}