public static function pager_with_count($count, array $keyvalues, array $order_limit = array([], 0, 0))
{
$model_name = self::get_model_name();
list($pager, $records) = rdb::pager_with_count($count, $model_name, $keyvalues, $order_limit);
return array($pager, self::create_models($model_name, $records));
}