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Re: [xsl] Designing streamable XPath expressions


Subject: Re: [xsl] Designing streamable XPath expressions
From: Dimitre Novatchev <dnovatchev@xxxxxxxxx>
Date: Sun, 5 Jan 2014 09:22:37 -0800

 Hi Roger,

Seems OK.

You missed a closing "]" on Slide 5    :)

Oh, and BTW, do you think this is streamable:


text()[1]

Maybe the Spec. says "yes", but I don't believe so.


Cheers,
Dimitre

On Sun, Jan 5, 2014 at 2:24 AM, Costello, Roger L. <costello@xxxxxxxxx> wrote:
> Hi Folks,
>
> Suppose you want to count the <head> elements within the <section> elements.
>
> You might use this simple XPath expression:
>
>         count(//section/head)
>
> However, that has a subtle problem when used in a streaming program.
>
> I created a few slides that describe the problem, as well as the solution:
>
> http://xfront.com/Streamable-XPath-expression.pptx
>
> /Roger
>



-- 
Cheers,
Dimitre Novatchev
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