Subject: RE: [xsl] RE: Re: How to express a select attr in for-each for conditional or nonconditonal case. From: "Chris Bayes" <chris@xxxxxxxxxxx> Date: Thu, 20 Dec 2001 09:51:09 -0000 |
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@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of > E100 SFYang > Sent: 20 December 2001 09:07 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > 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@xxxxxxxxxxxxx > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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