/**
  * Find object by primary key using raw SQL to go fast.
  * Bypass doSelect() and the object formatter by using generated code.
  *
  * @param     mixed $key Primary key to use for the query
  * @param     ConnectionInterface $con A connection object
  *
  * @return   ChildOrderVersion A model object, or null if the key is not found
  */
 protected function findPkSimple($key, $con)
 {
     $sql = 'SELECT `ID`, `REF`, `CUSTOMER_ID`, `INVOICE_ORDER_ADDRESS_ID`, `DELIVERY_ORDER_ADDRESS_ID`, `INVOICE_DATE`, `CURRENCY_ID`, `CURRENCY_RATE`, `TRANSACTION_REF`, `DELIVERY_REF`, `INVOICE_REF`, `DISCOUNT`, `POSTAGE`, `POSTAGE_TAX`, `POSTAGE_TAX_RULE_TITLE`, `PAYMENT_MODULE_ID`, `DELIVERY_MODULE_ID`, `STATUS_ID`, `LANG_ID`, `CART_ID`, `CREATED_AT`, `UPDATED_AT`, `VERSION`, `VERSION_CREATED_AT`, `VERSION_CREATED_BY`, `CUSTOMER_ID_VERSION` FROM `order_version` WHERE `ID` = :p0 AND `VERSION` = :p1';
     try {
         $stmt = $con->prepare($sql);
         $stmt->bindValue(':p0', $key[0], PDO::PARAM_INT);
         $stmt->bindValue(':p1', $key[1], PDO::PARAM_INT);
         $stmt->execute();
     } catch (Exception $e) {
         Propel::log($e->getMessage(), Propel::LOG_ERR);
         throw new PropelException(sprintf('Unable to execute SELECT statement [%s]', $sql), 0, $e);
     }
     $obj = null;
     if ($row = $stmt->fetch(\PDO::FETCH_NUM)) {
         $obj = new ChildOrderVersion();
         $obj->hydrate($row);
         OrderVersionTableMap::addInstanceToPool($obj, serialize(array((string) $key[0], (string) $key[1])));
     }
     $stmt->closeCursor();
     return $obj;
 }