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From "Simon Willnauer (Updated) (JIRA)" <>
Subject [jira] [Updated] (LUCENE-3593) Add a filter returning all document without a value in a field
Date Thu, 24 Nov 2011 21:50:40 GMT


Simon Willnauer updated LUCENE-3593:

    Attachment: LUCENE-3593.patch

here is an initial patch. maybe somebody more familiar with our new filter hierarchy etc.
can review this. There is still a nocommit in there since I am not sure if that is the best
way of doing this. Uwe had some ideas I think..
> Add a filter returning all document without a value in a field
> --------------------------------------------------------------
>                 Key: LUCENE-3593
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: core/search
>    Affects Versions: 3.6, 4.0
>            Reporter: Simon Willnauer
>             Fix For: 3.6, 4.0
>         Attachments: LUCENE-3593.patch
> In some situations it would be useful to have a Filter that simply returns all document
that either have at least one or no value in a certain field. We don't have something like
that out of the box and adding it seems straight forward.

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