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From "Michael Busch (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-955) Bug in SegmentTermPositions if used for first term in the dictionary
Date Tue, 10 Jul 2007 23:41:04 GMT
Bug in SegmentTermPositions if used for first term in the dictionary
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                 Key: LUCENE-955
                 URL: https://issues.apache.org/jira/browse/LUCENE-955
             Project: Lucene - Java
          Issue Type: Bug
          Components: Index
    Affects Versions: 2.2
            Reporter: Michael Busch
            Assignee: Michael Busch
            Priority: Minor
             Fix For: 2.3


When a SegmentTermPositions object is reset via seek() it does not move
the proxStream to the correct position in case the term is the first one
in the dictionary.

The reason for this behavior is that the skipStream is only moved if
lazySkipPointer is != 0. But 0 is a valid value for the posting list of
the very first term. The fix is easy: We simply have to set lazySkipPointer
to -1 in case no lazy skip has to be performed and then we only move the
skipStream if lazySkipPointer!=-1.

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