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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I thought the lesson was don’t ever use more than 3 axes
</span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> mondrian-bounces@pentaho.org [mailto:mondrian-bounces@pentaho.org]
<b>On Behalf Of </b>Roland Bouman<br>
<b>Sent:</b> Monday, March 28, 2016 9:25 AM<br>
<b>To:</b> Mondrian developer mailing list <mondrian@pentaho.org><br>
<b>Subject:</b> Re: [Mondrian] Mondrian vs Olap4j vs Ole DB for OLAP Named Axes definitions<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Wait - I stand corrected. I only get this when using the named axis. ON Axis(x) or simply ON x work as expected.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I guess that from my pov, that solves it. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">(And I guess the lesson I leaned is to never, ever use axis names, at least not if you want your MDX to be portable across engines.)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Mon, Mar 28, 2016 at 12:14 PM, Roland Bouman <<a href="mailto:roland.bouman@gmail.com" target="_blank">roland.bouman@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi all,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Perhaps this is known behavior - if so, pardon my ignorance. I did look but did not find any description of this issue I just ran into. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Consider this query:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">SELECT [Measures].Members on COLUMNS, [Gender].Members on ROWS, [Marital Status].Members on PAGES, [Education Level].Members on SECTIONS, [Product].[Product Family].Members on CHAPTERS
FROM [Sales]</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">I execute this over XML/A and I get a result. But not all is well. Consider this fragment of the AxisInfo:</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <AxesInfo><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <AxisInfo name="Axis3"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <HierarchyInfo name="Product"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <UName name="[Product].[MEMBER_UNIQUE_NAME]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <Caption name="[Product].[MEMBER_CAPTION]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <LName name="[Product].[LEVEL_UNIQUE_NAME]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <LNum name="[Product].[LEVEL_NUMBER]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <DisplayInfo name="[Product].[DISPLAY_INFO]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> </HierarchyInfo><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> </AxisInfo><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <AxisInfo name="Axis4"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <HierarchyInfo name="Education Level"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <UName name="[Education Level].[MEMBER_UNIQUE_NAME]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <Caption name="[Education Level].[MEMBER_CAPTION]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <LName name="[Education Level].[LEVEL_UNIQUE_NAME]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <LNum name="[Education Level].[LEVEL_NUMBER]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <DisplayInfo name="[Education Level].[DISPLAY_INFO]"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> </HierarchyInfo><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> </AxisInfo><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> <AxisInfo name="SlicerAxis"/><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"> </AxesInfo><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">The problem is that the order of the last two query axes is reversed in the result. I get a similar result when I use integer axis designations or Axis(x) designations.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">I also took a look at the docs. First of all, this:</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas"><a href="https://msdn.microsoft.com/en-us/library/ms146052.aspx" target="_blank">https://msdn.microsoft.com/en-us/library/ms146052.aspx</a></span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">which lists the named axes in this order:</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">COLUMNS | ROWS | PAGES | SECTIONS | CHAPTERS<o:p></o:p></span></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">and this<o:p></o:p></span></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><a href="https://msdn.microsoft.com/en-us/library/windows/desktop/ms713616(v=vs.85).aspx" target="_blank">https://msdn.microsoft.com/en-us/library/windows/desktop/ms713616(v=vs.85).aspx</a></span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">which reads: The first five axes — COLUMNS, ROWS, PAGES, SECTIONS, and CHAPTERS — can be used in place of AXIS(0), AXIS(1), AXIS(2), AXIS(3), and AXIS(4), respectively.</span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">When I compare this to both the olap4j and the mondrian documentation:</span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><a href="http://www.olap4j.org/api/org/olap4j/Axis.Standard.html" target="_blank">http://www.olap4j.org/api/org/olap4j/Axis.Standard.html</a></span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><a href="http://www.olap4j.org/2.0/api/org/olap4j/Axis.Standard.html" target="_blank">http://www.olap4j.org/2.0/api/org/olap4j/Axis.Standard.html</a></span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><a href="http://mondrian.pentaho.com/api/mondrian/olap/AxisOrdinal.StandardAxisOrdinal.html" target="_blank">http://mondrian.pentaho.com/api/mondrian/olap/AxisOrdinal.StandardAxisOrdinal.html</a></span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">These all list CHAPTERS as Axis(3) and SECTIONS as Axis(4); that is, chapters and sections are reversed as compared to the order listed in the ole db standard.</span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">Finally, Oracle Essbase (<a href="https://docs.oracle.com/cd/E12825_01/epm.111/esb_techref/frameset.htm?mdx_axis.htm" target="_blank">https://docs.oracle.com/cd/E12825_01/epm.111/esb_techref/frameset.htm?mdx_axis.htm</a>) also seems to reverse CHAPTERS and SECTIONS with respect to the Ole DB Standard.</span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto">I just wanted to check my assumptions with the list before proceeding to file bugs:<o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="word-wrap:normal;overflow:auto">1) in my opinion the reversal of the axes in the result like I witnessed in my query example is an issue that is separate from the difference <span style="font-family:"Arial",sans-serif">w/re to olad4j vs oledb to naming convention </span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><span style="font-family:"Arial",sans-serif">2) While I would like it better if there was no difference between mondrian/olap4j vs oledb for olap, I suppose the convention for mapping axis names to index is not that important. But if a choice is made to use a designation different from the one in Ole DB, then the olap4j / mondrian documentation should probably make a point of explicitly documenting the difference so as to prevent confusion.</span><o:p></o:p></pre>
<pre style="word-wrap:normal;overflow:auto"><o:p> </o:p></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">Finally, does someone have a suggestion for working around or avoiding the wrong result I got out of my query? <o:p></o:p></span></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><o:p> </o:p></span></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">best regards,<o:p></o:p></span></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><o:p> </o:p></span></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black">Roland<o:p></o:p></span></pre>
<pre style="line-height:13.15pt;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:black"><o:p> </o:p></span></pre>
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</span><span style="color:#888888"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#888888"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#888888">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#888888">Roland Bouman<br>
blog: <a href="http://rpbouman.blogspot.com/" target="_blank">http://rpbouman.blogspot.com/</a><br>
twitter: @rolandbouman<br>
linkedin: <a href="http://www.linkedin.com/profile/view?id=5142800&trk=tab_pro" target="_blank">
http://www.linkedin.com/profile/view?id=5142800&trk=tab_pro</a><br>
<br>
Author of "Pentaho Solutions" (Wiley, ISBN: 978-0-470-48432-6 <a href="http://tinyurl.com/lvxa88" target="_blank">
http://tinyurl.com/lvxa88</a>) and "Pentaho Kettle Solutions" (Wiley, ISBN: 978-0-470-63517-9
<a href="http://tinyurl.com/33r7a8m" target="_blank">http://tinyurl.com/33r7a8m</a>)<o:p></o:p></span></p>
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<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">Roland Bouman<br>
blog: <a href="http://rpbouman.blogspot.com/" target="_blank">http://rpbouman.blogspot.com/</a><br>
twitter: @rolandbouman<br>
linkedin: <a href="http://www.linkedin.com/profile/view?id=5142800&trk=tab_pro" target="_blank">
http://www.linkedin.com/profile/view?id=5142800&trk=tab_pro</a><br>
<br>
Author of "Pentaho Solutions" (Wiley, ISBN: 978-0-470-48432-6 <a href="http://tinyurl.com/lvxa88" target="_blank">
http://tinyurl.com/lvxa88</a>) and "Pentaho Kettle Solutions" (Wiley, ISBN: 978-0-470-63517-9
<a href="http://tinyurl.com/33r7a8m" target="_blank">http://tinyurl.com/33r7a8m</a>)<o:p></o:p></p>
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