/** * Retrieve a single object by pkey. * * @param int $pk the primary key. * @param PropelPDO $con the connection to use * @return CourseRating */ public static function retrieveByPK($pk, PropelPDO $con = null) { if (null !== ($obj = CourseRatingPeer::getInstanceFromPool((string) $pk))) { return $obj; } if ($con === null) { $con = Propel::getConnection(CourseRatingPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(CourseRatingPeer::DATABASE_NAME); $criteria->add(CourseRatingPeer::ID, $pk); $v = CourseRatingPeer::doSelect($criteria, $con); return !empty($v) > 0 ? $v[0] : null; }
/** * Retrieve object using using composite pkey values. * @param int $id @param int $course_ins_id * @param PropelPDO $con * @return CourseRating */ public static function retrieveByPK($id, $course_ins_id, PropelPDO $con = null) { $key = serialize(array((string) $id, (string) $course_ins_id)); if (null !== ($obj = CourseRatingPeer::getInstanceFromPool($key))) { return $obj; } if ($con === null) { $con = Propel::getConnection(CourseRatingPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(CourseRatingPeer::DATABASE_NAME); $criteria->add(CourseRatingPeer::ID, $id); $criteria->add(CourseRatingPeer::COURSE_INS_ID, $course_ins_id); $v = CourseRatingPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }