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Posted to dev@lucene.apache.org by "Michael McCandless (Updated) (JIRA)" <ji...@apache.org> on 2012/03/20 16:57:38 UTC
[jira] [Updated] (LUCENE-1761) low level Field metadata is never
removed from index
[ https://issues.apache.org/jira/browse/LUCENE-1761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless updated LUCENE-1761:
---------------------------------------
Labels: gsoc2012 lucene-gsoc-12 (was: )
> low level Field metadata is never removed from index
> ----------------------------------------------------
>
> Key: LUCENE-1761
> URL: https://issues.apache.org/jira/browse/LUCENE-1761
> Project: Lucene - Java
> Issue Type: Bug
> Components: core/index
> Affects Versions: 2.2, 2.3, 2.3.1, 2.3.2, 2.4, 2.4.1
> Reporter: Hoss Man
> Priority: Minor
> Labels: gsoc2012, lucene-gsoc-12
> Attachments: LUCENE-1761.patch
>
>
> with heterogeneous docs, or an index whose fields evolve over time, field names that are no longer used (ie: all docs that ever referenced them have been deleted) still show up when you use IndexReader.getFieldNames.
> It seems logical that segment merging should only preserve metadata about fields that actually existing the new segment, but even after deleting all documents from an index and optimizing the old field names are still present.
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