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POMDX filter problem
 

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    <p>I'm pretty new to the whole MDX thing, but the following is just driving me batty. A <code>FILTER</code> statement I'm using is acting... strangely. Code sample, followed by description:</p> <pre><code>SELECT { FILTER( MEMBERS([Time].[5-4-4 Week Year]), [Measures].[Ship Gross Units] &gt; 0 ) } ON COLUMNS, { FILTER( MEMBERS([Group].[Alternate Hierarchies]), [Measures].[Ship Gross Units] &gt; 0 ) } ON ROWS FROM SBD.SBD WHERE ( [FiscalYear].[FY09], [Scenario].[Actuals Total], [Measures].[Ship Gross Units], [Channel].[FOS] ) </code></pre> <p>I'm trying to pull gross units for a particular sales channel, by week of the fiscal year (some columns obfuscated slightly). All those filters are in place due to the fact that I often need these broken out at the SKU level, and it's simpler to deal with a truncated dataset on my machine (let the DB do the work, I say!).</p> <p><strong>The problem is</strong>, this query returns 0 sales in the FOS channel. That seemed strange, so I removed the row filter:</p> <pre><code>SELECT { FILTER( MEMBERS([Time].[5-4-4 Week Year]), [Measures].[Ship Gross Units] &gt; 0 ) } ON COLUMNS, MEMBERS([Group].[Alternate Hierarchies]) ON ROWS FROM SBD.SBD WHERE ( [FiscalYear].[FY09], [Scenario].[Actuals Total], [Measures].[Ship Gross Units], [Channel].[FOS] ) </code></pre> <p>And all of a sudden, sales show up in the FOS channel. This blows my mind; previously, I'd assumed I was filtering to just receive rows showing sales, and I got none. Now I'm showing everything, and there are rows with sales. It's easy enough to work around this problem with Perl or whatever, but I'd rather solve it "right".</p> <p>I'm reasonably certain I'm just misunderstanding some niggling detail, but I'm tired of bashing my head against the desk.</p> <p>Thanks!</p>
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