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From "Christoph Schmidt (JIRA)" <>
Subject [jira] Created: (LUCENE-2714) MUST_NOT query always retunrs no documents
Date Tue, 19 Oct 2010 12:06:27 GMT
MUST_NOT query always retunrs no documents

                 Key: LUCENE-2714
             Project: Lucene - Java
          Issue Type: Bug
          Components: Query/Scoring
    Affects Versions: 2.9.3
            Reporter: Christoph Schmidt

The following two queries are logically equal, but return different document results:

query1 = +body:term -id:17
query2 = +(+body:term) +(-id:17)

query1 returns all documents containing term in the field body not having id 17.
query2 returns no documents

Maybe is a kind of optimization that documents with score = 0.0 are ignored?

query3 = +(+body:term) +(+*:* -id:17)
has the same result as query1 again.

Thanks for help.
Best regards
Christoph Schmidt

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