[xquery-talk] get highest number
mike at saxonica.com
Wed May 14 17:22:48 PDT 2008
> Thank you all,
> as Wolfgang said, I use eXist. If I get you right, Wolfgang,
> my solution would be to do the max/highest evaluation in my application.
I doubt that would help. Your application would have to access the attribute
nodes, which would incur the IO cost.
> > If Gonzberg is using eXist (I remember other posts on the
> > corresponding lists), I can explain the difference:
> evaluating //@id is entirely index-based (as John already suspected).
> Compared to this,
> > max(//@id) requires access to the actual attribute nodes, which
> > generates a lot more IO.
Thanks for the info. Obvious, when you think about it.
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