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https://issues.apache.org/jira/browse/LUCENE-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659771#comment-14659771
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ASF subversion and git services commented on LUCENE-6708:
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Commit 1694435 from [~jpountz] in branch 'dev/trunk'
[ https://svn.apache.org/r1694435 ]
LUCENE-6708: TopFieldCollector does not compute the score several times on the
same document anymore.
> TopFieldCollector sometimes calls Scorer.score() several times on the same doc
> ------------------------------------------------------------------------------
>
> Key: LUCENE-6708
> URL: https://issues.apache.org/jira/browse/LUCENE-6708
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-6708.patch
>
>
> If the sort spec includes a sort field that needs scores, and if
> trackDocScores or trackMaxScore is set, then TopFieldCollectors may compute
> the score several times on the same document, once to check whether the hit
> is competitive, and once to update maxScore or to set the score on the
> ScoreDoc.
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