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Re: [xsl] How to properly use Key elements


Subject: Re: [xsl] How to properly use Key elements
From: Michael Kay <mike@xxxxxxxxxxxx>
Date: Wed, 16 Oct 2013 09:16:09 +0100

On 16 Oct 2013, at 06:46, Emmanuel Bigui wrote:

> Hello,
>
> I don't understand what keys are supposed to achieve in this case?
>

Your solution is likely to have quadratic performance on most implementations
(meaning it doesn't scale as the grouping population gets larger), while the
solution using keys is highly scaleable.

Michael Kay
Saxonica


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