SELECT pc.`id_product_comment`, c.`firstname`, c.`lastname`, pc.`content`, pc.`grade`, pc.`date_add` FROM `ps_product_comment` pc INNER JOIN `ps_customer` c ON c.`id_customer` = pc.`id_customer` WHERE pc.`id_product` = 1228 AND pc.`validate` = 1 ORDER BY pc.`date_add` DESC