为什么 where 子句过滤器适用于 [All subcategoty] 成员而不适用于 [All_Category] 成员?
with member [All_Category] as
    ([Product].[Category].[All Products],[Measures].[Reseller Sales Amount])
member [All_SubCategory] as
    ([Product].[Subcategory].[All Products],[Measures].[Reseller Sales Amount])
select 
    {[All_Category],
    [All_SubCategory],
    [Measures].[Reseller Sales Amount]} on 0
from [Adventure Works]
where [Product].[Category].&[4]
结果:
All_Categry     All_SubCategry      Reseller Sales Amount
$80,450,596.98  $571,297.93     $571,297.93