MDX Case Statement without break

Question

Is there a way to use an MDX Case Statement without the break functionality? In the example below, I want for [Measures].[Count] = 7 to show both "MEDIUM" AND" LARGE" (or just "LARGE" if it's possible) not only "MEDIUM".

  CASE 
  WHEN [Measures].[Count] > 4 THEN 'MEDIUM'   
  WHEN [Measures].[Count] > 6 THEN 'LARGE'
  WHEN [Measures].[Count] > 3 THEN 'SMALL'
  ELSE "NONE"
  END

Answer 1

First of all, you should reorder you WHEN clauses, as in MDX (like in SQL), the first clause that matches wins:

CASE 
  WHEN [Measures].[Count] > 6 THEN 'LARGE'
  WHEN [Measures].[Count] > 4 THEN 'MEDIUM'   
  WHEN [Measures].[Count] > 3 THEN 'SMALL'
  ELSE "NONE"
END

would return 'LARGE' for 7.

You cannot return more than one value from a CASE expression. CASE is an expression (even if the MS documentation wrongly calls it statement in some places). And an expression can have only one result.

Imagine you write an Excel formula (which is also an expression). You have only one cell to display the result, so the formula can only deliver one result.

But of course, the result could be a combination of several results, like a string concatenation. Or in the case of the CASE expression, you could return sets which can have one or more members. But even then you would need different WHEN branches, each just returning one set.