public function getMetaData($sObjectId, $sMetaType, $iShopId = null, $iLang = null)
    {
        $oDb = \OxidEsales\Eshop\Core\DatabaseProvider::getDb();

        $iShopId = (!isset($iShopId)) ? \OxidEsales\Eshop\Core\Registry::getConfig()->getShopId() : $iShopId;
        $iLang = (!isset($iLang)) ? \OxidEsales\Eshop\Core\Registry::getLang()->getObjectTplLanguage() : ((int) $iLang);

        return $oDb->getOne("select {$sMetaType} from oxobject2seodata where oxobjectid = " . $oDb->quote($sObjectId) . " and oxshopid = " . $oDb->quote($iShopId) . " and oxlang = '{$iLang}'");
    }