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https://issues.apache.org/jira/browse/LUCENE-8921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886889#comment-16886889
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Bruno Roustant commented on LUCENE-8921:
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Yes, sure. I could work on a PR for 8.2.
> IndexSearcher.termStatistics should not require TermStates but docFreq and
> totalTermFreq
> ----------------------------------------------------------------------------------------
>
> Key: LUCENE-8921
> URL: https://issues.apache.org/jira/browse/LUCENE-8921
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: 8.1
> Reporter: Bruno Roustant
> Priority: Major
> Fix For: master (9.0)
>
>
> IndexSearcher.termStatistics(Term term, TermStates context) is the way to
> create a TermStatistics. It requires a TermStates param although it only
> cares about the docFreq and totalTermFreq.
>
> For customizations that what to create TermStatistics based on docFreq and
> totalTermFreq, but that do not have available TermStates, this method forces
> to create a TermStates instance (which is not very lightweight) only to pass
> two ints.
> termStatistics could be modified to the following signature:
> termStatistics(Term term, int docFreq, int totalTermFreq)
> Since it would change the API, it could be done in master for next major
> release.
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