Subject: RE: [xsl] for-each-group usage From: "Angela Williams" <Angela.Williams@xxxxxxxxxxxxxxxxxx> Date: Wed, 7 Mar 2007 10:08:07 -0600 |
Thank you for the help! -----Original Message----- From: Michael Kay [mailto:mike@xxxxxxxxxxxx] Sent: Wednesday, March 07, 2007 9:34 AM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: [xsl] for-each-group usage saxon:evaluate() is always going to be expensive. In situations where you are using the same expression repeatedly (e.g. to calculate a sort key or a grouping key) it's well worth splitting it into its two halves, saxon:expression and saxon:eval: <xsl:variable name="sortkey" select="saxon:expression(../data-set/order-by/@xpath)"/> then <xsl:sort select="saxon:eval($sortkey)"/> Michael Kay http://www.saxonica.com/
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