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From: Shai Erera <serera@gmail.com>
Date: Wed, 22 Jan 2014 10:43:06 +0200
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 <CALfq-2SK9r1jA2Yvc8M2zut981XK1cc0qbYtJ4JvjhGoNo+Q1w@mail.gmail.com>
Subject: Re: updating docs when using SortedSetDocValuesFacetFields
To: "java-user@lucene.apache.org" <java-user@lucene.apache.org>
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Note that Lucene doesn't support general in-place document updates, and
updating a document means first deleting it and adding it back.

Therefore if you only intend to add/change few categories of an existing
document, you have to fully re-index the document. This is not specific to
categories but applies for any field that you add, except NumericDocValues
fields which support in-place document updates since Lucene 4.6.

Shai


On Wed, Jan 22, 2014 at 1:15 AM, Rose, Stuart J <Stuart.Rose@pnnl.gov>wrote:

> I'm using Lucene 4.4 with SortedSetDocValuesFacetFields and would like to
> add and/or remove CategoryPaths for certain documents in the index.
>
> Basically, as additional sets of docs are added, the CategoryPaths for
> some of the previously indexed documents need to changed.
>
> My current testing with using writer.updateDocument(docIdTerm, docFields)
> seems to be generating some duplicates as there are more documents in the
> index than expected.
>
> Is this a known issue with SortedSetDocValuesFacetFields and discouraged?
>
> Thanks!
> Stuart
>
>

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