> From: christian.gruen@gmail.com
> Date: Mon, 20 May 2013 23:50:18 +0200
> Subject: Re: [basex-talk] BaseX generate-id()
> To: james.jw@hotmail.com; basex-talk@mailman.uni-konstanz.de
>
> I’m not quite sure on what you were asking, but I noticed that the
> explanation of PRE and ID values in our Wiki was somewhat deficient.
> Please don‘t hesitate to have yet another look at the revised articles
> [1,2], which are hopefully more self-explanatory. If not, you are
> always invited to read the dissertation in more detail ;)
>
> [1] http://docs.basex.org/wiki/Database_Module#db:open-pre
> [2] http://docs.basex.org/wiki/Node_Storage
> _______________________________
>
> On Mon, May 20, 2013 at 10:46 PM, James Wright <james.jw@hotmail.com> wrote:
> > How did I not notice this!! I have read through those modules so many times
> > now!! I think this is exactly what I was looking for. I expected there to be
> > some sort of persistent id because I skimmed the initial dissertation on
> > BaseX from several years ago and it talks about a persistent ID. In regards
> > to the 'pre' this ID represents the id of a node which 'hasn't' been
> > inserted yet but it does not necessarily denote the ID the node will take
> > when actually inserted... So whats the point? Is this more for internal
> > uses? Maybe I don't fully understand...
> >
> > Thanks for the quick reply!
> >
> > - James
> >
> >> From: christian.gruen@gmail.com
> >> Date: Mon, 20 May 2013 22:30:08 +0200
> >> Subject: Re: [basex-talk] BaseX generate-id()
> >> To: james.jw@hotmail.com
> >> CC: basex-talk@mailman.uni-konstanz.de
> >
> >>
> >> Hi James,
> >>
> >> a node id generated via generate-id() is unique and the same during
> >> the runtime of a query. If you want to ensure that you are requesting
> >> the same nodes of a database, I recommend you to check out the
> >> node-id() and node-pre() functions of our database module [1].
> >>
> >> Hope this helps,
> >> Christian
> >>
> >> [1] http://docs.basex.org/wiki/Database_Module
> >> ___________________________
> >>
> >> On Mon, May 20, 2013 at 10:09 PM, James Wright <james.jw@hotmail.com>
> >> wrote:
> >> > In the W3C specs it says this method should generate the same ID for a
> >> > node
> >> > regardless of when its called. Is this how it is implemented in BaseX or
> >> > does it simply generate a random number? My testing seems to implicate
> >> > the
> >> > ladder. If it does generate the same ID for each node each time its run,
> >> > does it do ensure uniqueness at the db or resource level?
> >> >
> >> > Thx for your time.
> >> > - James
> >> >
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> >> >