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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1976) isCurrent() and getVersion() on an NRT reader are broken
Date Tue, 13 Oct 2009 10:13:31 GMT
isCurrent() and getVersion() on an NRT reader are broken
--------------------------------------------------------

                 Key: LUCENE-1976
                 URL: https://issues.apache.org/jira/browse/LUCENE-1976
             Project: Lucene - Java
          Issue Type: Bug
          Components: Index
    Affects Versions: 2.9
            Reporter: Michael McCandless
            Assignee: Michael McCandless
            Priority: Minor
             Fix For: 3.1


Right now isCurrent() will always return true for an NRT reader and getVersion() will always
return the version of the last commit.  This is because the NRT reader holds the live segmentInfos.

I think isCurrent() should return "false" when any further changes have occurred with the
writer, else true.   This is actually fairly easy to determine, since the writer tracks how
many docs & deletions are buffered in RAM and these counters only increase with each change.

getVersion should return the version as of when the reader was created.

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