Did not try this out (just a thought), but if you are using the Java API,
you could hold a reference to  /tei:TEI/tei:text/tei:body//tei:ELEM and
execute the predicates ".[PREDICATE]" using the reference as context node.

2015-06-15 16:13 GMT+02:00 Christian Grün <[email protected]>:

> > I wondered if it was possible to tell BaseX (or to have it understand by
> > itself) that it can cache and reuse the results of
> >
> >     /tei:TEI/tei:text/tei:body//tei:ELEM
> >
> > and only apply PREDICATE on the saved set of results.
> >
> > Is something like this available in BaseX?
>
> No, I'm afraid (and I'm not sure how to easily realize this for
> arbitrary requests). If performance is critical, and if you believe
> nothing more can be done, you could still think about creating
> additional index structures for your data and access these instead
> (just as Fabrice motivated in his reply).
>
> > Unfortunately all I
> > got back was a "Unknown option 'CACHEQUERY'" error (with BaseX 8.2.1).
> Any
> > idea why?
>
> I now know why: Because it has recently been removed. All it did was
> to cache results before returning them to the client instead of
> streaming them. This option was only used for our GUI, but another
> solution has now been found there.
>
> I have updated our documentation. Thanks for the hint,
> Christian
>

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