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
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