计算用户消费总额， MySQL 查询问题请教？ - V2EX

计算用户消费总额， MySQL 查询问题请教？ - V2EX

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This topic created in 3504 days ago, the information mentioned may be changed or developed.

目前有两表，一个用户信息表(users),一个消费记录表(shopping)。

想要查询有消费记录的用户信息，并计算出消费总额。

我尝试如下 select u.id,u.name,f.money from data.users u ,data.shopping s where s.users_id = u.id

但这样查询出来的每条单独的消费记录和用户信息，我想将消费总金额合并 SUM(money),最终显示出每个用户的消费总金额，请问该如何写？

5 replies 2016-10-11 16:32:27 +08:00

1

Hyeongo

Oct 11, 2016 via iPhone

group by

2

SeanChense

Oct 11, 2016

`select u.id,u.name, SUM(f.money) from data.users u ,data.shopping s where s.users_id = u.id group by u.id`

酱紫？

3

alouha

Oct 11, 2016

select shop.*,u.name,u.uid (select SUM(money) as s,id from shopping group by uid ) as shop,users where shop.id=u.users_id

4

fatebe

OP

Oct 11, 2016

@Hyeongo
@SeanChense
厉害了我的哥，是要这个效果
刚开始学习，感谢。

5

paulw54jrn

Oct 11, 2016

https://gist.github.com/PaulLiang1/affbe461a4f1a235a1c932451e06da08

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