protected final function get_order($order = null, $cascade = false)
{
$order = moojon_db_driver::escapes($order, $this->get_table(), $this->get_column_names());
if (!$order) {
$order_columns = $this->get_order_column_names();
if (count($order_columns)) {
foreach ($order_columns as $key => $value) {
$order_columns[$key] = $order_columns[$key] . ' ' . $this->order_direction;
}
$order = implode(', ', $order_columns);
} else {
$order = $this->order_column . ' ' . $this->order_direction;
}
$order = moojon_db_driver::escapes($order, $this->get_table(), $this->get_column_names());
}
if ($cascade) {
foreach ($this->get_relationships() as $relationship) {
$instance = self::factory($relationship->get_foreign_class());
$order = moojon_db_driver::escapes($order, $instance->get_table(), $instance->get_column_names());
}
}
return $order;
}
