public function hasRatingData(PropelPDO $conn = null) { if ($conn === null) { $conn = Propel::getConnection(); } $c = new Criteria(); $c->add(AutoCourseRatingPeer::FIELD_ID, $this->getId()); $result = AutoCourseRatingPeer::doSelectOne($c, $conn); if ($result === null || !is_object($result)) { return false; } else { return true; } }