public function hasAmountPrice()
    {
        if (self::$_blHasAmountPrice === null) {
            self::$_blHasAmountPrice = false;

            $oDb = \OxidEsales\Eshop\Core\DatabaseProvider::getDb();
            $sQ = "SELECT 1 FROM `oxprice2article` LIMIT 1";

            if ($oDb->getOne($sQ)) {
                self::$_blHasAmountPrice = true;
            }
        }

        return self::$_blHasAmountPrice;
    }