我正在尝试联接两个表,然后按product_id对其进行过滤...
问题是两个表都具有相同的列,并且出现以下错误
Integrity constraint violation: 1052 Column 'product_id' in on clause is ambiguous, query was: SELECT COUNT(*) FROM `booking_ticket` AS `main_table`
INNER JOIN `sales_flat_order_item` AS `order_item` ON order_item_id=order_item.item_id
INNER JOIN `sales_flat_order` AS `order` ON order_item.order_id=order.entity_id
LEFT JOIN `marketplace_commission` AS `marketplace_data` order.entity_id=marketplace_data.order_id WHERE (`product_id` IN('189'))
我这样加入
$this->getSelect()
// ->reset(Zend_Db_Select::COLUMNS)
// ->columns()
->joinLeft( // Product ID, Order ID
array('marketplace_data' => $this->getTable('marketplace/commission')),
'order.entity_id=marketplace_data.order_id',
array(
"origin" => "marketplace_data.origin"
)
);
然后像这样过滤
$ticketCodes = Mage::getModel('booking/ticket')->getCollection()
->joinOrderData()->joinMarketPlaceData()
->addFieldToFilter('product_id',array('in'=> $id));
我需要加入我的市场表而不加入product_id列,因为订单表已经具有产品ID。我该如何实现?我已经尝试过重置,因为上面已经提到。没有效果。
提前谢谢您
您需要对product_id列使用完全限定的列名(假设product_id在order_item表中)
SELECT COUNT(*) FROM `booking_ticket` AS `main_table`
INNER JOIN `sales_flat_order_item` AS `order_item` ON order_item_id=order_item.item_id
INNER JOIN `sales_flat_order` AS `order` ON order_item.order_id=order.entity_id
LEFT JOIN `marketplace_commission` AS `marketplace_data`
ON `order_item`.product_id=marketplace_data.product_id
WHERE (`order_item`.`product_id` IN('189'))