Question

我正在执行一个使用连接的查询。因为我使用了一个总量的子查询。我想按子查询的结果排序，如下所示。

"select users.*, (select sum(amount) as camount from donation where donation.uid=users.id) as camount from users where users.confirmed=1  and camount between 3 and 5 order by camount";

我收到错误：1064。

如何使用子查询的结果进行查询？

Answer 1

我不知道是什么触发了您获得的错误，但将子选择移动到内部联接应该会产生相同的结果。

SQL声明

select  users.*
        , donation.camount
from    users 
        INNER JOIN (
          select  uid
                  , sum( amount ) as camount 
          from    donation 
          group by
                  uid
        ) donation ON donation.uid = users.id
where   users.confirmed = 1  
        and donation.camount between 3 and 5 
order by 
        donation.camount

Answer 2

试试这个

选择用户。*，（从捐赠d中选择sum（d.amount），从d.uid = u.id中选择用户u）作为来自用户的camount，其中users.confirmed = 1且camount在3到5之间按camount排序

mysql排序和使用子查询之间

2 个答案: