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https://issues.apache.org/jira/browse/LUCENE-10424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17496168#comment-17496168
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Lu Xugang commented on LUCENE-10424:
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??but it actually works with fields that have multiple dimensions and/or that 
are multi-valued??
Yes, but I am not sure why in the implementation of Weight#count , only 1D 
fields case was considered,  it seems count query can work on multi dimensions, 
please tell me if I missed something.

??we limit this new case to single-valued 1D fields??
If so, maybe we should support multi dimensions in Weight#count?


> Optimize the "everything matches" case for count query in PointRangeQuery
> -------------------------------------------------------------------------
>
>                 Key: LUCENE-10424
>                 URL: https://issues.apache.org/jira/browse/LUCENE-10424
>             Project: Lucene - Core
>          Issue Type: Improvement
>    Affects Versions: 9.1
>            Reporter: Lu Xugang
>            Assignee: Ignacio Vera
>            Priority: Minor
>             Fix For: 9.1
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> In Implement of Weight#count in PointRangeQuery, Whether additional 
> consideration is needed that when PointValues#getDocCount() == 
> IndexReader#maxDoc() and the range's lower bound is less that the field's min 
> value and the range's upper bound is greater than the field's max value, then 
> return reader.maxDoc() directly?



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