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From "Alexander Kern" <alex.k...@gmail.com>
Subject Re: future releases: Append Function for Indexing
Date Thu, 03 May 2007 13:58:00 GMT
Many thanks for you answer - sorry i didn't come around to ask
earlier, but that brings me to a new question: What if I do(!) need to
append a field that needs to be indexed?

On 3/20/07, robert engels <rengels@ix.netcom.com> wrote:
> If you have "unique ids" available to you, I think the best solution
> to accomplish a lot of this would be to use a very simple embedded db
> to store the documents (we use a version of JDBM). Just store the key
> as a stored field in the Lucene document, and the document in JDBM.
>
> This has the added benefit that merges are much faster with large
> documents), since there is no-rewriting/copying of document data
> during a merge.
>
> This solution also makes append" trivial, unless you are appending
> fields that need to be indexed.
>
> On Mar 20, 2007, at 12:11 PM, Alexander Kern wrote:
>
> > As for now, when ever the index of a document needs to be updated, the
> > complete document needs to be deleted, then newly indexed & finally
> > added to the index repository. If, however, information merely needed
> > to be added to the existing document (->appended), the described
> > procedure creates a great overhead. Up to now Lucene does not provide
> > an 'append' function.
> >
> > My question is: Is an 'append' function (or something similar) planned
> > for future releases, and if not, which classes would be most suitable
> > for such a function (and contain the  functions needed to support such
> > a function) if I would want to edit the source to fit my needs.
> >
> > Many thanks in advance - Alexander
> >
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>
>
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>


-- 

_________________________________________
Alexander Kern
Leibenfrostgasse 8/11
A-1040 Vienna, Austria
::phone:: +43 650 487 63 59
::mail:: alex.kern@gmail.com

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