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Re: Cost of complex match patterns

Subject: Re: Cost of complex match patterns
From: Florent Georges <lists@xxxxxxxxxxxx>
Date: Tue, 12 Aug 2008 11:56:16 +0200 (CEST)
Re:  Cost of complex match patterns
Andrew Welch wrote:

  Hi Andrew,

> match="foo[//bar]"

> match="foo"

> Should the former be avoided, or because it's within a match
> pattern it's converted to a simple lookup so it's fine?

  I don't know the details of your processor on that point, but out of
interest, if you only match on the main input tree, you can replace the
former by:

    <xsl:variable name="has-bar" as="xs:boolean" select="

    <xsl:template match="foo[$has-bar]">



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