Subject: RE: [xsl] Re: Efficiency, use param in key? From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Mon, 5 Aug 2002 07:08:26 +0100 |
> > Can you say more about assigning a global variable to the > node set? For our app we are using Saxon, but I think you're > suggesting a more general case. Is it because the processor > will construct the node set once and then subsequent > operations will be more efficient on that node set? > It's reasonable to assume with most processors that if you create a global variable: <xsl:variable name="fa" select="//file_audio"/> and then write, for example <xsl:for-each select="$fa/x/y/z">... then the cost of finding all the <file_audio> elements is only going to be incurred once. Michael Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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