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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 35284] New: - CoordConstrainedBooleanQuery + QueryParser support
Date Thu, 09 Jun 2005 11:01:43 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=35284

           Summary: CoordConstrainedBooleanQuery + QueryParser support
           Product: Lucene
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: Search
        AssignedTo: lucene-dev@jakarta.apache.org
        ReportedBy: markharw00d@yahoo.co.uk


Attached 2 new classes:

1) CoordConstrainedBooleanQuery
A boolean query that only matches if a specified number of the contained clauses
match. An example use might be a query that returns a list of books where ANY 2
people from a list of people were co-authors, eg:
"Lucene In Action" would match ("Erik Hatcher" "Otis Gospodneti&#263;" "Mark Harwood"
"Doug Cutting") with a minRequiredOverlap of 2 because Otis and Erik wrote that.
The book "Java Development with Ant" would not match because only 1 element in
the list (Erik) was selected.

2) CustomQueryParserExample
A customised QueryParser that allows definition of
CoordConstrainedBooleanQueries. The solution (mis)uses fieldnames to pass
parameters to the custom query.

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