如何使用左连接添加 where 子句

Question

我写了一个代码来从 table order_address 中检索客户的城市、电子邮件、街道和其他详细信息这里的问题是每个订单都有两行，其中一行address_type 行是 shipping，另一行是 billing。当我查询时，系统会自动从正在计费的第二行检索数据。我想要地址类型为 shipping 的行的数据。怎样才能做到这一点？谁能告诉我如何使用此处的 where 子句仅使用 address_type="shipping".

过滤行

$select = $collection->getSelect();
            $select->joinLeft(array('payment' => $collection->getTable('sales/order_payment')), 'payment.parent_id=main_table.entity_id', array('payment_method' => 'method'));
            $select->joinLeft(array('email' => $collection->getTable('sales/order_address')), 'email.parent_id=main_table.entity_id', array('customer_email' => 'email','customer_phone' => 'telephone','shipping_street' => 'street','shipping_city' => 'city','shipping_postcode' => 'postcode','shipping_region' => 'region','shipping_country' => 'country_id'));
            $select->join('sales_flat_order_item', '`sales_flat_order_item`.order_id=`main_table`.entity_id', array('skus' => new Zend_Db_Expr('group_concat(`sales_flat_order_item`.sku SEPARATOR ", ")')));
            $select->group('main_table.entity_id');
        }

Answer 1

试试下面的代码希望这有帮助。我刚刚在第 3 行将 email.address_type=shipping 添加到您的代码中。

$select = $collection->getSelect();
            $select->joinLeft(array('payment' => $collection->getTable('sales/order_payment')), 'payment.parent_id=main_table.entity_id', array('payment_method' => 'method'));
            $select->joinLeft(array('email' => $collection->getTable('sales/order_address')), 'email.parent_id=main_table.entity_id AND email.address_type="shipping"', array('customer_email' => 'email','customer_phone' => 'telephone','shipping_street' => 'street','shipping_city' => 'city','shipping_postcode' => 'postcode','shipping_region' => 'region','shipping_country' => 'country_id'));
            $select->join('sales_flat_order_item', '`sales_flat_order_item`.order_id=`main_table`.entity_id', array('skus' => new Zend_Db_Expr('group_concat(`sales_flat_order_item`.sku SEPARATOR ", ")')));
            $select->group('main_table.entity_id');
        }

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