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https://issues.apache.org/jira/browse/LUCENE-9346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17091320#comment-17091320
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Adrien Grand commented on LUCENE-9346:
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In terms of implementation, I wonder that it should be mostly about making sure
that {{WANDScorer.tailSize}} never gets greater than or equal to
{{minimumNumberShouldMatch}}. I don't have plans to work on it in the near
future so feel free to take it if you're interested, I can help with the
reviews.
> WANDScorer should support minimumNumberShouldMatch
> --------------------------------------------------
>
> Key: LUCENE-9346
> URL: https://issues.apache.org/jira/browse/LUCENE-9346
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
>
> Currently we deoptimize when a minimumNumberShouldMatch is provided and fall
> back to a scorer that doesn't dynamically prune hits based on scores.
> Given how WANDScorer and MinShouldMatchSumScorer are similar I wonder if we
> could remove MinShouldSumScorer once WANDScorer supports minimumNumberShould
> match. Then any improvements we bring to WANDScorer like two-phase support
> (LUCENE-8806) would automatically cover more queries.
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