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Posted to issues@lucene.apache.org by "Adrien Grand (Jira)" <ji...@apache.org> on 2021/09/07 14:10:00 UTC
[jira] [Resolved] (LUCENE-9620) Add Weight#count(LeafReaderContext)
[ https://issues.apache.org/jira/browse/LUCENE-9620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adrien Grand resolved LUCENE-9620.
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Fix Version/s: 8.10
Resolution: Fixed
It should be resolved indeed!
> 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
> Fix For: 8.10
>
> Time Spent: 4h 40m
> 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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