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Displaying posts with tag: Ascendants (reset)
MDX: "Show Parents" - Redux: A generic and systematic MDX query transformation to obtain the lineage of each member

A couple of months ago I wrote about how you can use the MDX functions Ancestors() and Ascendants to retrieve the full lineage of members. (See: "MDX: retrieving the entire hierarchy path with Ancestors()".)

As you might recall, the immediate reason to write about those functions was to find a pure MDX solution to implement the "Show Parents" / "Hide Parents" functionality offered by OLAP cube browsers. To recap, developers of MDX-based pivot tables face a challenge when rendering the result of a query like this:

SELECT CrossJoin(
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