小编eet*_*zen的帖子

我的SQL查询语句如下:

SELECT * FROM `sales_flat_order_grid` AS `main_table` 
LEFT JOIN (SELECT * from `customer_address_entity_varchar` 
WHERE attribute_id=31) AS `ce3` 
ON main_table.customer_id=ce3.entity_id

我需要将它翻译成Magento风格.我试过了

$collection = Mage::getResourceModel('sales/order_grid_collection'); 
$tel = Mage::getModel('eav/entity_attribute')->loadByCode('2', 'telephone');

$collection->getSelect()  
    ->joinLeft(array('ce3' => 'customer_address_entity_varchar'), 'main_table.customer_id=ce3.entity_id', array('telephone' => 'value'))
    ->where('ce3.attribute_id='.$tel->getAttributeId())

但是这不起作用,因为在连接之后应用了where语句导致查询总数小于sales_flat_order_grid.