Re: [xsl] Data extraction

["Mailing Lists Mail daktapaal@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Thanks David.

On Mon, Dec 17, 2018, 2:38 PM David Carlisle d.p.carlisle@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx wrote:

> On Mon, 17 Dec 2018 at 19:31, Mailing Lists Mail daktapaal@xxxxxxxxx
> <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > David,
> > Thanks for the reply. My apologies, i didn't give example of my XML. The
> XML contains single occurance of ElementToExtract/ node. In which case I
> thought that instead of going through the whole tree, jumping to the
> element using descendant::*:ElementToExtract is firstly small in code and
> secondly eleminating the useless node traversal ?
> >
> > Wanted to validate my thought ..
> >
> well still it may or may not be quicker, in particular if the element
> is near the top of the tree the apply templates iteration will stop
> quickly but the descendant::*:ElementToExtract in principle forces a
> search of the whole document to find all the occurrences, as (assuming
> no schema processing) xslt doesn't know there is only one. Of course
> it might not need to search the document as the element names may have
> been pre-indexed, but in ether case adding [1] to the end wouldn't
> hurt and would make it stop after finding the element.
>
> David