With Cte AS
(
select
[groups].[name],
[groups].[id],
SUM(users.points) as points,
Dense_Rank() Over (Partition By [groups].[id], [groups].[name] Order by SUM(users.points) Desc) as rank
from [groups] inner join [users] on [groups].[id] = [users].[group_id]
)
Select [name],[id],[points] from Cte where rank<=10
我想使用&#34; s1&#34;在子类中进行一些计算并将其打印在表中 在子类中使用父类的变量的方法是什么?
答案 0 :(得分:1)
首先:
Approxalumni()=父类
Reg_approx()=子类
以这种方式调用它时,从Approxalumni()继承所有函数和变量。因此,要访问s1,您只需将其分配给self:
DbLists
从那时起,您只需在父类和子类中调用self.s1作为您想要的变量。