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RE: [xsl] xslt performance issue position() function used in predicate very slow

2006-08-26 14:27:45
Yes - MK 

-----Original Message-----
From: Florent Georges [mailto:darkman_spam(_at_)yahoo(_dot_)fr] 
Sent: 26 August 2006 21:22
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] xslt performance issue position() function 
used in predicate very slow

Michael Kay wrote:

So whereas the sequence (a,b) is not necessarily in document order, 
the sequence ./(a,b) is, by virtue of the "/" operator.

  Ok, thanks.  If I understood well, in the following
example:

    <xsl:variable name="a" select="elem/a"/>
    <xsl:variable name="b" select="elem/b"/>

    <xsl:sequence select="elem/b, elem/a"/>
    <xsl:sequence select="$b, $a"/>
    <xsl:sequence select="elem/(b, a)"/>

when applied in the context of:

    <elem>
      <a/>
      <b/>
    </elem>

the sequences will be resp. (with an ad-hoc syntax):

    (<b/>, <a/>)
    (<b/>, <a/>)
    (<a/>, <b/>)

  In the two first cases, duplicates can also appear, not in 
the last one.

  Is it correct?

  Thanks,

--drkm






















      
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12:13:40 GMT 2006 
      
              
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