public function removeItemFromOrder($itemName)
 {
     $selector = new DBSelect('localhost', 'root', '', 'mydb');
     $storeID = $selector->selectStoreIDByStoreName($this->storeName);
     $itemID = $selector->selectItemIDByItemName($itemName);
     $selector = null;
     $dropper = new DBDrop('localhost', 'root', '', 'mydb');
     $dropper->dropFromOrderItems($this->orderID, $storeID, $itemID);
 }