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

[Florent Georges <darkman_spam@xxxxxxxx>]

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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