/** * Retrieve object using using composite pkey values. * @param string $ip @param int $comment_id * @param PropelPDO $con * @return CourseCommentDig */ public static function retrieveByPK($ip, $comment_id, PropelPDO $con = null) { $key = serialize(array((string) $ip, (string) $comment_id)); if (null !== ($obj = CourseCommentDigPeer::getInstanceFromPool($key))) { return $obj; } if ($con === null) { $con = Propel::getConnection(CourseCommentDigPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(CourseCommentDigPeer::DATABASE_NAME); $criteria->add(CourseCommentDigPeer::IP, $ip); $criteria->add(CourseCommentDigPeer::COMMENT_ID, $comment_id); $v = CourseCommentDigPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }