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Date: Fri, 4 Nov 2005 23:02:20 +0100 (CET)
From: "Yonik Seeley (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Updated: (LUCENE-395) CoordConstrainedBooleanQuery +
 QueryParser support
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     [ http://issues.apache.org/jira/browse/LUCENE-395?page=all ]

Yonik Seeley updated LUCENE-395:
--------------------------------

    Attachment: BooleanQuery.patch
                TestBooleanMinShouldMatch.java

Thanks for the scoring clarification guys... if I only set minNrShouldMatch>0 on the top level query, all the scores match!

Changes:
- added BooleanQuery.getMinimumNumberShouldMatch()
- added the syntax Chris (Hoss) suggested to BooleanQuery.toString()... but it's not too late to change if someone has a better idea
- added random boolean query testing with variable minMrShouldMatch to TestBooleanMinShouldMatch


> CoordConstrainedBooleanQuery + QueryParser support
> --------------------------------------------------
>
>          Key: LUCENE-395
>          URL: http://issues.apache.org/jira/browse/LUCENE-395
>      Project: Lucene - Java
>         Type: Improvement
>   Components: Search
>     Versions: unspecified
>  Environment: Operating System: other
> Platform: Other
>     Reporter: Mark Harwood
>     Assignee: Lucene Developers
>     Priority: Minor
>  Attachments: BooleanQuery.patch, BooleanScorer2.java, CoordConstrainedBooleanQuery.java, CoordConstrainedBooleanQuery.java, CustomQueryParserExample.java, CustomQueryParserExample.java, LUCENE-395.patch, LUCENE-395.patch, LUCENE-395.patch, TestBooleanMinShouldMatch.java, TestBooleanMinShouldMatch.java, TestBooleanMinShouldMatch.java, TestBooleanMinShouldMatch.java, TestBooleanMinShouldMatch.java, TestBooleanMinShouldMatch.java
>
> 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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