execute( 'ALTER TABLE ' . _DB_PREFIX_ . 'dpdshipping_shipping_history_parcel MODIFY COLUMN content VARCHAR(500) NULL'); $alterCustomerData = Db::getInstance()->execute( 'ALTER TABLE ' . _DB_PREFIX_ . 'dpdshipping_shipping_history_parcel MODIFY COLUMN customer_data VARCHAR(500) NULL'); return $alterContent && $alterCustomerData; }