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Date: Thu, 2 Nov 2006 23:11:19 -0800 (PST)
From: "Otis Gospodnetic (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-703) Change QueryParser to use
 ConstantScoreRangeQuery in preference to RangeQuery by default
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    [ http://issues.apache.org/jira/browse/LUCENE-703?page=comments#action_12446837 ] 
            
Otis Gospodnetic commented on LUCENE-703:
-----------------------------------------

I'm too tired to look at the patch, but I am +1 for this change in principal.  Voted for it in JIRA, too.

> Change QueryParser to use ConstantScoreRangeQuery in preference to RangeQuery by default
> ----------------------------------------------------------------------------------------
>
>                 Key: LUCENE-703
>                 URL: http://issues.apache.org/jira/browse/LUCENE-703
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: QueryParser
>    Affects Versions: 2.1
>            Reporter: Mark Harwood
>            Priority: Minor
>         Attachments: patch.diff
>
>
> Change to QueryParser to default to using new ConstantScoreRangeQuery in preference to RangeQuery
> for range queries. This implementation is generally preferable because it 
> a) Runs faster 
> b) Does not have the scarcity of range terms unduly influence score 
> c) avoids any "TooManyBooleanClauses" exception.
> However, if applications really need to use the old-fashioned RangeQuery and the above
> points are not required then the  "useOldRangeQuery" property can be used to revert to old behaviour.
> The patch includes extra Junit tests for this flag and all other Junit tests pass

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