Hierarchize (MDX)

Hierarchize

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SQL Server 2005

Hierarchize (MDX)

Orders the members of a set in a hierarchy.

Syntax

Hierarchize(Set_Expression [ , POST ] )

Arguments

Set_Expression: A valid Multidimensional Expressions (MDX) expression that returns a set.

Remarks

The Hierarchize function organizes the members of specified set into hierarchical order. The function always retains duplicates.

If POST is not specified, the function sorts members in a level in their natural order. Their natural order is the default ordering of the members along the hierarchy when no other sort conditions are specified. Child members immediately follow their parent members.
If POST is specified, the Hierarchize function sorts the members in a level using a post-natural order. In other words, child members precede their parents.

Example

The following example drills up on the Canada member. The Hierarchize function is used to organize the specified set members in hierarchical order, which is required by the DrillUpMember function.

SELECT DrillUpMember 
   (
      Hierarchize
         (
            {[Geography].[Geography].[Country].[Canada]
            ,[Geography].[Geography].[Country].[United States]
            ,[Geography].[Geography].[State-Province].[Alberta]
            ,[Geography].[Geography].[State-Province].[Brunswick]
            ,[Geography].[Geography].[State-Province].[Colorado] 
            }
         ), {[Geography].[Geography].[Country].[United States]}
   )
ON 0
FROM [Adventure Works]

The following example returns the sum of the Measures.[Order Quantity] member, aggregated over the first nine months of 2003 contained in the Date dimension, from the Adventure Works cube. The PeriodsToDate function defines the tuples in the set over which the Aggregate function operates. The Hierarchize function organizes the members of the specified set of members from the Product dimension in hierarchical order.

WITH MEMBER Measures.[Declining Reseller Sales] AS Count
   (Filter
      (Existing
         (Reseller.Reseller.Reseller), 
            [Measures].[Reseller Sales Amount] < 
               ([Measures].[Reseller Sales Amount],[Date].Calendar.PrevMember)
        )
    )
MEMBER [Geography].[State-Province].x AS Aggregate 
( {[Geography].[State-Province].&[WA]&[US], 
   [Geography].[State-Province].&[OR]&[US] } 
)
SELECT NON EMPTY HIERARCHIZE 
   (AddCalculatedMembers 
      ({DrillDownLevel
         ({[Product].[All Products]})}
        )
    ) DIMENSION PROPERTIES PARENT_UNIQUE_NAME ON COLUMNS 
FROM [Adventure Works]
WHERE ([Geography].[State-Province].x, 
   [Date].[Calendar].[Calendar Quarter].&[2003]&[4],
   [Measures].[Declining Reseller Sales])

Reference

MDX Function Reference (MDX)