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Using Member Functions

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A member function is an Multidimensional Expressions (MDX) function that returns a member. Member functions, like tuple functions and set functions, are essential to negotiating the multidimensional structures found in Analysis Services.

Of the many member functions in MDX, the most important is the CurrentMember function, which is used to determine the current member on a hierarchy. The following query illustrates how to use it, along with the Parent, Ancestor, and Prevmember functions:

WITH

//Returns the name of the currentmember on the Calendar hierarchy

MEMBER MEASURES.[CurrentMemberDemo] AS [Date].[Calendar].CurrentMember.Name

//Returns the name of the parent of the currentmember on the Calendar hierarchy

MEMBER MEASURES.[ParentDemo] AS [Date].[Calendar].CurrentMember.Parent.Name

//Returns the name of the ancestor of the currentmember on the Calendar hierarchy at the Year level

MEMBER MEASURES.[AncestorDemo] AS ANCESTOR([Date].[Calendar].CurrentMember, [Date].[Calendar].[Calendar Year]).Name

//Returns the name of the member before the currentmember on the Calendar hierarchy

MEMBER MEASURES.[PrevMemberDemo] AS [Date].[Calendar].CurrentMember.Prevmember.Name

SELECT{MEASURES.[CurrentMemberDemo],MEASURES.[ParentDemo],MEASURES.[AncestorDemo],MEASURES.[PrevMemberDemo] } ON 0,

[Date].[Calendar].MEMBERS ON 1

FROM [Adventure Works]

See Also

Functions (MDX Syntax)
Using Tuple Functions
Using Set Functions