protected function hasNonSaveEntity() {
		foreach($this->rows as $row) {
			if ($row->toRow() === NULL) {
				return TRUE;
			} else {
				$reflection = $row->getColumns();
				$record = array();
				foreach ($reflection as $property) {
					$name = $property['name'];
					if ($row->toRow()->$name != $row->$name) {
						return TRUE;
					}
				}
			}
		}
		return FALSE;
	}