| Аргумент | Возможный тип | Описание |
| $product_id | — | — |
| $var = '' | — | — |
return $this->db->query("
SELECT * FROM `" . DB_PREFIX . "amazon_product`
WHERE `product_id` = '" . (int)$product_id . "' AND `var` = '" . $this->db->escape($var) . "' AND `version` = 2")->row;