[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: improving performance in creating ids
On 23.04.2019 16:28, Pieter Lamers pieter.lamers@xxxxxxxxxxxx wrote:
Thanks for your quick reply. the node identity comparison helped quite a bit, although I am still around a minute for a full book of ids. I am not sure how xsl:number would help here, and what kind of performance win it would give over count(). I tried something with a nested transformation, but what should I feed it? It is difficult for me to suggest that without knowing the XML input structure and whether you want to generate that id based on a count or numbering only for certain nodes or some particular element type. In general if I wanted to delegate counting to xsl:number similar to your function I would define a template in a mode for that e.g. <xsl:template match="*" mode="number"> <xsl:number level="any" from="*[@id]"/> </xsl:template> and then, where you need that number, you would use e.g. <xsl:apply-templates select="." mode="number"/> Both the template or the or the select of the apply-templates can of course be adapted to more particular needs. As for being more efficient that using count, that then depends on the implementation but I would think there is some optimization to be expected in an XSLT processor for xsl:number.
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