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https://issues.apache.org/jira/browse/LUCENE-9620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17395681#comment-17395681
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Gautam Worah edited comment on LUCENE-9620 at 8/9/21, 1:45 AM:
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Hey [~jpountz], I wanted to work on this issue.
With this change, callers will use something like this:
{{{color:#000000}searcher{color}.createWeight(someQuery,
{color:#000000}ScoreMode{color}.{color:#871094}COMPLETE{color},
{color:#1750eb}1{color}).count(LeafReaderContext)}}
instead of the current {{searcher.count(Query)}} call. Is this what you had in
mind?
I am still working on piping the {{IndexSearcher#search(Query,
CollectorManager)}} call to {{Weight#count}}
was (Author: gworah):
Hey [~jpountz], I wanted to work on this issue.
With this change, callers will use something like this:
{{{color:#000000}searcher{color}.createWeight(someQuery,
{color:#000000}ScoreMode{color}.{color:#871094}COMPLETE{color},
{color:#1750eb}1{color}).count(LeafReaderContext)}}
instead of the current {{searcher.count(Query)}} call. Is this what you had in
mind?
> 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
>
> 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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