| description | IsAncestor (MDX) |
|---|---|
| title | IsAncestor (MDX) | Microsoft Docs |
| ms.date | 02/17/2022 |
| ms.prod | sql |
| ms.technology | analysis-services |
| ms.custom | mdx |
| ms.topic | reference |
| ms.author | owend |
| ms.reviewer | owend |
| author | minewiskan |
Returns whether a specified member is an ancestor of another specified member.
IsAncestor(Member_Expression1, Member_Expression2)
Member_Expression1
A valid Multidimensional Expressions (MDX) expression that returns a member.
Member_Expression2
A valid Multidimensional Expressions (MDX) expression that returns a member.
The IsAncestor function returns true if the first member specified is an ancestor of the second member specified. Otherwise, the function returns false.
The following example returns true if [Date].[Fiscal].CurrentMember is an ancestor of January 2003:
WITH MEMBER MEASURES.ISANCESTORDEMO AS
IsAncestor([Date].[Fiscal].CurrentMember, [Date].[Fiscal].[Month].&[2003]&[1])
SELECT MEASURES.ISANCESTORDEMO ON 0,
[Date].[Fiscal].MEMBERS ON 1
FROM [Adventure Works]