Subject: Re: [xsl] Retaining value of a Global variable From: David Carlisle <davidc@xxxxxxxxx> Date: Mon, 19 Jul 2004 10:18:15 +0100 |
> Solution 2 - The second solution requires utilization of the preceding-sibling > axis in XPath. The problem with using preceding-sibling in any sort of test is > as the processor continues through the tree another preceding-sibling is added > to the list of preceding-siblings. This test will evaluate each and every > preceding-sibling so it doesnt take long for performance to become a BIG issue. this is essentially why "muenchiam grouping" using keys is a big win. The original posters (rephrased) problem sounds like the canonical use case for the grouping techniques (as explaied at www.jenitennison.com/xslt/grouping) David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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