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