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https://issues.apache.org/jira/browse/LUCENE-9620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17409318#comment-17409318
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ASF subversion and git services commented on LUCENE-9620:
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Commit 44e9f5de53aefb59f8aa3f95eb348ae79280f390 in lucene's branch
refs/heads/main from Gautam Worah
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=44e9f5d ]
LUCENE-9620 Add Weight#count(LeafReaderContext) (#242)
Add a default implementation in Weight.java and add sample faster
implementations in MatchAllDocsQuery, MatchNoDocsQuery, TermQuery
Add tests for BooleanQuery and TermQuery
Co-authored-by: Gautam Worah <[email protected]>
Co-authored-by: Adrien Grand <[email protected]>
> Add Weight#count(LeafReaderContext)
> -----------------------------------
>
> Key: LUCENE-9620
> URL: https://issues.apache.org/jira/browse/LUCENE-9620
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> We have IndexSearcher#count today, which tries to optimize counting for
> TermQuery and MatchAllDocsQuery, and falls back to BulkScorer +
> TotalHitCountCollector otherwise.
> I'm considering moving this to Weight instead, where it'd be a better place
> to add counting optimizations for other queries, e.g. pure disjunctions over
> single-valued fields or range queries on points. The default implementation
> could use a BulkScorer+TotalHitCountCollector like IndexSearcher#count does
> today.
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