// Note for the following sql:
            // There is no need to SUM() the numbers, there is only one line per product/size pair after the update of the bag, see the first lines of this function..
            // This sql is to insert the products that the customer has ordered from the products table into a backup, so that changes to the price and similar does not
            // change the reciepts.

            $db->setQuery("INSERT INTO #__shopper_orders_items SELECT p.*, $id, b.size_id, b.number FROM #__shopper_products AS p INNER JOIN #__shopper_bag As b ON p.id = b.product_id WHERE b.session = '$session_id';");
            $db->query();