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Date: Tue, 11 Nov 2008 09:33:44 -0800 (PST)
From: "Michael Busch (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-1424) Change all multi-term querys so
 that they extend MultiTermQuery and allow for a constant score mode
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    [ https://issues.apache.org/jira/browse/LUCENE-1424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646606#action_12646606 ] 

Michael Busch commented on LUCENE-1424:
---------------------------------------

Yeah, I understand the reason... and easy "fix" would be in QueryParser#newRangeQuery():
{code:java}
  protected Query newRangeQuery(String field, String part1, String part2, boolean inclusive) {
    RangeQuery query;  
  
    if (constantScoreRewrite) {
      // TODO: remove in Lucene 3.0
      query = new ConstantScoreRangeQuery(field, part1, part2, inclusive, inclusive, rangeCollator);
    } else {
      query = new RangeQuery(field, part1, part2, inclusive, inclusive, rangeCollator);
    }
    query.setConstantScoreRewrite(constantScoreRewrite);
    return query;
  }
{code}

Since ConstantScoreRangeQuery extends RangeQuery this works and should not change any behavior, right?
I tried it out, "ant test-core test-tag" passes with this change.


> Change all multi-term querys so that they extend MultiTermQuery and allow for a constant score mode
> ---------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-1424
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1424
>             Project: Lucene - Java
>          Issue Type: New Feature
>            Reporter: Mark Miller
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch, LUCENE-1424.patch
>
>
> Cleans up a bunch of code duplication, closer to how things should be - design wise, gives us constant score for all the multi term queries, and allows us at least the option of highlighting the constant score queries without much further work.

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