mysql where子句語法錯誤prestashop

Question

我正在嘗試根據交貨國家列出訂單。 為此，我在下面編寫了sql查詢。 它在數據庫上工作正常。 但是，當我嘗試在AdminOrderController.php文件上實現時，它將引發語法錯誤，我嘗試通過更改語法以多種方式解決該錯誤。

我如何在php端實現where子句WHERE country_lang.name ='France' ？

您能幫我解決這個問題嗎？

錯誤信息：

     Bad SQL query
            You have an error in your SQL syntax; 
            check the manual that corresponds to your MySQL server version 
            for the right syntax to use near 
            'country_lang.name = 'France' ORDER BY a.`id_order` 
             DESC LIMIT 0,50' at line 22

SQL查詢：

    SELECT
       ps_orders.id_currency,
       ps_orders.id_order AS id_pdf,
       CONCAT(LEFT(c.`firstname`, 1), '. ', c.`lastname`) AS `customer`,
       osl.`name` AS `osname`,
       os.`color`,
       IF((SELECT COUNT(so.id_order) FROM `ps_orders` so WHERE so.id_customer =
           ps_orders.id_customer) > 1, 0, 1) as new,
       country_lang.name as cname,
       IF(ps_orders.valid, 1, 0) badge_success
    FROM ps_orders

    LEFT JOIN `ps_customer` c ON (c.`id_customer` = ps_orders.`id_customer`)
    INNER JOIN `ps_address` address ON address.id_address = 
               ps_orders.id_address_delivery
    INNER JOIN `ps_country` country ON address.id_country = country.id_country
    INNER JOIN `ps_country_lang` country_lang ON (country.`id_country` = 
                country_lang.`id_country` AND country_lang.`id_lang` = 3)
    LEFT JOIN `ps_order_state` os ON (os.`id_order_state` = ps_orders.`current_state`)
    LEFT JOIN `ps_order_state_lang` osl ON (os.`id_order_state` = osl.`id_order_state` 
               AND osl.`id_lang` = 3)

    WHERE country_lang.name = 'France'
    ORDER BY id_order DESC

郵遞區號：

    $this->_select = '
                     a.id_currency,
                     a.id_order AS id_pdf,
                     CONCAT(LEFT(c.`firstname`, 1), \'. \', c.`lastname`) AS `customer`,
                     osl.`name` AS `osname`,
                     os.`color`,
                     IF((SELECT COUNT(so.id_order) FROM `'._DB_PREFIX_.'orders` so WHERE so.id_customer = a.id_customer) > 1, 0, 1) as new,
                     country_lang.name as cname,
                     IF(a.valid, 1, 0) badge_success';

    $this->_join = '
                    LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = a.`id_customer`)
                    INNER JOIN `'._DB_PREFIX_.'address` address ON address.id_address = a.id_address_delivery
                    INNER JOIN `'._DB_PREFIX_.'country` country ON address.id_country = country.id_country
                    INNER JOIN `'._DB_PREFIX_.'country_lang` country_lang ON (country.`id_country` = country_lang.`id_country` AND country_lang.`id_lang` = '.(int)$this->context->language->id.')
                     LEFT JOIN `'._DB_PREFIX_.'order_state` os ON (os.`id_order_state` = a.`current_state`)
                     LEFT JOIN `'._DB_PREFIX_.'order_state_lang` osl ON (os.`id_order_state` = osl.`id_order_state` AND osl.`id_lang` = '.(int)$this->context->language->id.')';

    $this->_where = '';
    $this->_orderBy = 'id_order';
    $this->_orderWay = 'DESC';

解：

    $this->_where = 'AND country_lang.id_country = 8';

Answer 1

解：

$this->_where = 'AND country_lang.id_country = 8';