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https://issues.apache.org/jira/browse/LUCENE-8249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16435730#comment-16435730
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Alan Woodward commented on LUCENE-8249:
---------------------------------------

I'm not sure this makes things that much more complex?  It essentially just 
splits the phraseFreq() method into two (reset() and nextMatch()), and then 
adds a method which provides a view of the Scorer as a MatchesIterator which 
uses the new methods directly rather than calling phraseFreq().

And duplicating the logic of ExactPhraseScorer won't be too hard, but 
SloppyPhraseScorer is 600 lines long...

> Add matches to exact PhraseQuery and MultiPhraseQuery
> -----------------------------------------------------
>
>                 Key: LUCENE-8249
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8249
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Alan Woodward
>            Assignee: Alan Woodward
>            Priority: Major
>         Attachments: LUCENE-8249.patch
>
>
> ExactPhraseScorer can be rejigged fairly easily to expose a MatchesIterator



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