/** * Retrieve object using using composite pkey values. * @param int $id * @param int $main_type_id * @param PropelPDO $con * @return ItemSubType */ public static function retrieveByPK($id, $main_type_id, PropelPDO $con = null) { $_instancePoolKey = serialize(array((string) $id, (string) $main_type_id)); if (null !== ($obj = ItemSubTypePeer::getInstanceFromPool($_instancePoolKey))) { return $obj; } if ($con === null) { $con = Propel::getConnection(ItemSubTypePeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(ItemSubTypePeer::DATABASE_NAME); $criteria->add(ItemSubTypePeer::ID, $id); $criteria->add(ItemSubTypePeer::MAIN_TYPE_ID, $main_type_id); $v = ItemSubTypePeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }