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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1314) IndexReader.clone
Date Sat, 07 Feb 2009 19:31:02 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless updated LUCENE-1314:
---------------------------------------

    Attachment: LUCENE-1314.patch

Attached patch.  If the segmentInfos is null (because the SegmentReader is not "standalone")
we now just clone the segment.  If you call reopen on a non-standalone SegmentReader I throw
UnsupportedOperationException.

Jason can you test this?  Thanks.

> IndexReader.clone
> -----------------
>
>                 Key: LUCENE-1314
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1314
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Index
>    Affects Versions: 2.3.1
>            Reporter: Jason Rutherglen
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch,
LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch,
LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch,
LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch,
LUCENE-1314.patch, LUCENE-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch,
lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch,
lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch
>
>
> Based on discussion http://www.nabble.com/IndexReader.reopen-issue-td18070256.html. 
The problem is reopen returns the same reader if there are no changes, so if docs are deleted
from the new reader, they are also reflected in the previous reader which is not always desired
behavior.

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