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RE: [xsl] grouping-problem

2007-06-14 03:33:23
Use group-by="(@associationName, '')[1]"

so that elements with no @associationName get a grouping key of "".

Michael Kay
http://www.saxonica.com/ 

-----Original Message-----
From: Annina(_dot_)Hirschi-Wyss(_at_)swisstopo(_dot_)ch 
[mailto:Annina(_dot_)Hirschi-Wyss(_at_)swisstopo(_dot_)ch] 
Sent: 14 June 2007 09:59
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] grouping-problem

Hi,
I'm working with
XSLT 2
Saxon 8
And I am a newbie with XSLT...

----
Here is the XML file
"stats.xml"

<statistic>
<class name="CI_Citation" associationName="citation" 
count="50"> </class> <class name="CI_Citation" 
associationName="title" count="100"> </class> <class 
name="MD_Metadata" count="300"> </class> <class 
name="MD_Metadata" associationName="parentId" count="3"> 
</class> <class name="CI_Citation" associationName="citation" 
count="60"> </class> <class name="CI_Citation" 
associationName="title" count="200"> </class> <class 
name="MD_Metadata" count="50"> </class> <class 
name="MD_Metadata" associationName="parentId" count="10"> 
</class> [...] </statistic>
----

Output should be a csv-textfile like:

CI_Citation           citation        110
                      title           300
MD_Metadata                           350
                      parentId        13
----

I managed quite well, but only did my XSLT not consider the 
class MD_Metadata without the "associationName":

"stats.xsl"

<?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet 
version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
      <xsl:output encoding="ISO-8859-1"/>
      <xsl:output method="text"/>
<xsl:template match="/">
              <xsl:apply-templates select="statistic"/> 
</xsl:template> [...]
<xsl:for-each-group select="class" group-by="@name">  
  <xsl:value-of select="current-grouping-key()"/>
              <xsl:for-each-group select="current-group()"
group-by="@associationName" >
                      <xsl:text>;</xsl:text>
                      <xsl:value-of select="current-grouping-key()"/>
                      <xsl:text>;</xsl:text>
                      <xsl:value-of 
select="sum(current-group()/@count)"/>
            </xsl:for-each-group>
</xsl:for-each-group>
[...]
----

Is there a possibility to list the class MD_Metadata even if 
there is no "associationName"? Thanks for your reply!

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