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RE: RE: Re: How to express a select attr in for-each for conditional or nonconditonal case.
- From: "Chris Bayes" <chris at bayes dot co dot uk>
- To: <xsl-list at lists dot mulberrytech dot com>
- Date: Thu, 20 Dec 2001 09:51:09 -0000
- Subject: RE: [xsl] RE: Re: How to express a select attr in for-each for conditional or nonconditonal case.
- Reply-to: xsl-list at lists dot mulberrytech dot com
Yang,
I doubt there will be a performance hit. One or the other should
evaluate to an empty set right away.
Ciao Chris
XML/XSL Portal
http://www.bayes.co.uk/xml
> -----Original Message-----
> From: owner-xsl-list@lists.mulberrytech.com
> [mailto:owner-xsl-list@lists.mulberrytech.com] On Behalf Of
> E100 SFYang
> Sent: 20 December 2001 09:07
> To: xsl-list@lists.mulberrytech.com
> Subject: [xsl] RE: Re: How to express a select attr in
> for-each for conditional or nonconditonal case.
>
>
> Hi, Chris,
> Thanks for the good solution, I can see your point now;
>
> > Chris writes
> >Ok you want
> ><xsl:for-each
> select="$source[contains($keywrd,.)]|$source[$keywrd='']">
>
> The select attr is actually expressed from union of two
> sets, this is
> something I can use from now on.
> Just for curiosity, will it cost some speed performance by
> going through two patterns each time? Or a better solution
> for what I want to achieve?
>
> regards
> Sun-fu Yang
>
> sfyang@unisvr.net.tw
>
>
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