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

Subject: RE: [xsl] xslt performance issue position() function used in predicate very slow
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Sat, 26 Aug 2006 21:39:06 +0100
Yes - MK

> -----Original Message-----
> From: Florent Georges [mailto:darkman_spam@xxxxxxxx]
> Sent: 26 August 2006 21:22
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> 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
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>  p4.vert.ukl.yahoo.com uncompressed/chunked Fri Aug 25
> 12:13:40 GMT 2006
>
>
> ______________________________________________________________
> _____________
> Dicouvrez un nouveau moyen de poser toutes vos questions
> quelque soit le sujet !
> Yahoo! Questions/Riponses pour partager vos connaissances,
> vos opinions et vos expiriences.
> http://fr.answers.yahoo.com

Current Thread