bool Item_field::get_date_result(MYSQL_TIME *ltime, ulonglong fuzzydate)
{
  if ((null_value= result_field->is_null()) ||
      result_field->get_date(ltime, fuzzydate))
  {
    bzero((char*) ltime,sizeof(*ltime));
    return true;
  }
  return false;
}
bool Item_field::get_date_result(MYSQL_TIME *ltime, ulonglong fuzzydate)
{
  if ((null_value= result_field->is_null()) ||
      result_field->get_date(ltime, fuzzydate))
  {
    bzero((char*) ltime,sizeof(*ltime));
    return true;
  }
  return false;
}