SSAS MDX计算成员，多个作用域

想象一个具有尺寸的立方体——DimA、DimB、DimC和DimD

我想要一个计算过的成员，该成员只有在根据DimA或DimB切片时才应计算。如果仅针对DimC或DimD进行切片，则应返回Null

目前，我通过使用以下3个计算成员实现了这一点：

Create Member CurrentCube.[Measures].[CalMeasure1] As Null, VISIBLE = 0; 

SCOPE([Measures].[CalcMeasure1]); 
       SCOPE ([DimA].[DimA].[DimA]); 
            This = [Measures].[Camp Index]; 
       END SCOPE; 
END SCOPE; 


Create Member CurrentCube.[Measures].[CalcMeasure2] As Null, VISIBLE = 0; 

SCOPE([Measures].[CalcMeasure2]); 
       SCOPE ([DimB].[DimB].[DimB]); 
            This = [Measures].[Camp Index]; 

CREATE MEMBER CURRENTCUBE.[Measures].[CalcMeasure3]
 AS IIF(ISEMPTY([Measures].[CalcMeasure1]),[Measures].[CalcMeasure2],[Measures].[CalcMeasure1]), 
VISIBLE = 1  ; 
       END SCOPE; 
END SCOPE; 

我必须创建很多这样的度量值，所以理想情况下，我希望使用一个度量值，而不是三个单独的度量值。我已尝试创建嵌套范围。我还尝试将两个维度层次结构放在一个范围内。然而，这两种方法都不起作用。这两种方法都要求针对DimA和DimB对度量值进行切片。我需要它的工作，如果它是对DimA或DimB切片

注意我上面的代码确实有效，我只想将其压缩为单个计算成员

编辑：-不同透视表用法的预期结果

DimA Attribute    CalcMeasure3  
1                 1.1  
2                 1.1  
3                 8.6  


DimB Attribute    CalcMeasure3  
4                 2.1  
5                 2.1  
6                 9.6  


DimA Attribute    DimC Attribute    CalcMeasure3  
1                 A                 1.1  
2                 B                 1.1  
3                 C                 8.6  


DimB Attribute    DimD Attribute    CalcMeasure3  
4                 D                 1.1  
5                 E                 1.1  
6                 F                 8.6  

DimC Attribute    CalcMeasure3  
A                 (Null)  
B                 (Null)  
C                 (Null)  


DimD Attribute    CalcMeasure3  
D                 (Null)  
E                 (Null)  
F                 (Null)  

我的第一个猜测是：

Scope([Measures].[Camp Index]);
    This = IIF(
                [DimC].[DimC].[DimC].CurrentMember is [DimC].[DimC].[All]
                and
                [DimD].[DimD].[DimD].CurrentMember is [DimD].[DimD].[All]
                [Measures].[Camp Index],
                NULL
    );
End Scope;

---

这个计算的度量值如何，没有范围：

WITH MEMBER [Camp Index] AS
IIF( 
    not ([DimA].[DimA].CurrentMember is [DimA].[DimA].[All]) or not([DimB].[DimB].CurrentMember is [DimB].[DimB].[All]), 
[You Calcuate],
IIF( 
    not ([DimC].[DimC].CurrentMember is [DimC].[DimC].[All]) or not([DimD].[DimD].CurrentMember is [DimD].[DimD].[All]),
    NULL,
    [You Calcuate]
),
NULL 
)
SELECT
{[Camp Index]} on 0
from [Adventure Works]

---

谢谢你是说[DimA].[DimA].[DimA]。当前成员是[DimA].[DimA].[All]和[DimB].[DimB].[DimB]。当前成员是[DimB].[DimB].[All]？如果是这样，则即使被DimA、DimB或两者分割，也始终返回null。被DimC、DimD或Dim（n）切片时也为空