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From "Steven Bethard (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1608) CustomScoreQuery should support arbitrary Queries
Date Tue, 21 Apr 2009 23:07:47 GMT
CustomScoreQuery should support arbitrary Queries
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                 Key: LUCENE-1608
                 URL: https://issues.apache.org/jira/browse/LUCENE-1608
             Project: Lucene - Java
          Issue Type: New Feature
          Components: Query/Scoring
            Reporter: Steven Bethard
            Priority: Minor


CustomScoreQuery only allows the secondary queries to be of type ValueSourceQuery instead
of allowing them to be any type of Query. As a result, what you can do with CustomScoreQuery
is pretty limited.

It would be nice to extend CustomScoreQuery to allow arbitrary Query objects. Most of the
code should stay about the same, though a little more care would need to be taken in CustomScorer.score()
to use 0.0 when the sub-scorer does not produce a score for the current document.

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