在最终交付给客户之前,订单有多个order_status。有时,客户会从不同的来源下多个订单。我们接受一个订单,但拒绝另一个订单。当重复订单被取消时,我想知道被接受订单的最新订单状态是什么。
LEFT JOIN(
SELECT order_id AS order_id,order_status,max(addtime(`timestamp`,'05:30:00')) AS timestamp
FROM pe2.order_history
GROUP BY 1,2
) oh ON oh.order_id = ord.order_id AND oh.timestamp <= c.time.
c.time. is duplicate order cancellation time.
发布于 2018-06-25 16:05:28
我们得到所需客户的订单,然后得到同一订单的最新状态,即在重复订单取消之前:
SELECT order.*,
(SELECT order_status FROM order_history AS oh
WHERE order_id = order.id AND timestamp <= cancel_time
ORDER BY timestamp DESC LIMIT 1) AS last_status
FROM order
WHERE order.ID = accepted_order
https://stackoverflow.com/questions/51019661
复制相似问题