查询订单的 定金+支付金额 -支付金额
错误写法
Order.objects.aggregate(
sum=Sum(F('final_amt') + F('deposit_amt') - F('refund_amt'))
)
)
正确的信息
Order.objects.aggregate(
sum=Sum(('final_amt') + Sum('deposit_amt') - Sum('refund_amt'))
)
``
标签:refund,聚合,Sum,加减,查询,sum,Order,Django,amt
From: https://www.cnblogs.com/guanchaoguo/p/17720391.html