DO NOT REPLY [Bug 6693] New: - XSLTC xsl:sort does not work with nodeset variables

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6693

XSLTC xsl:sort does not work with nodeset variables

           Summary: XSLTC xsl:sort does not work with nodeset variables
           Product: XalanJ2
           Version: 2.3Dx
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Minor
          Priority: Other
         Component: org.apache.xalan.xsltc
        AssignedTo: xalan-dev@xml.apache.org
        ReportedBy: tim_elcott@bigfoot.com


When saving a nodeset in a variable to reuse throughout a stylesheet any use of 
an xsl:sort within a xsl:for-each block results in zero nodes. This xsl:for-
each block works fine without the xsl:sort statement. This works fine with 
Saxon 6.5. The example below shows the problem. Only <Name2> elements are 
produced in the output. 

There is a workaround - If you replace the nodeset variable with its actual 
select statement it works fine. Would using the same select statement multiple 
time cause a performance problem when using complex XPath expressions?

-- Simple Test Stylesheet -----------------------------------------------
-------------------------------------------------------------------------
<xsl:stylesheet
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    version="1.0"
>

<xsl:variable name='nodes' select="/MyNodes/Node[ID='1']"/>

<xsl:template match="/">
    <!-- This does not produce any output -->
    <xsl:for-each select="$nodes">
    <xsl:sort select="Name"/>
    <Name1><xsl:value-of select="Name"/></Name1>
    </xsl:for-each>

    <!-- This works -->
    <xsl:for-each select="$nodes">
    <Name2><xsl:value-of select="Name"/></Name2>
    </xsl:for-each>
</xsl:template>

</xsl:stylesheet>



-- Simple Test XML File-- -----------------------------------------------
-------------------------------------------------------------------------
<MyNodes>
    <Node>
        <ID>1</ID>
        <Name>Tim</Name>
    </Node>
    <Node>
        <ID>1</ID>
        <Name>Leanne</Name>
    </Node>
    <Node>
        <ID>2</ID>
        <Name>John</Name>
    </Node>
</MyNodes>