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https://issues.apache.org/jira/browse/LUCENE-7066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15181822#comment-15181822
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Nicholas Knize commented on LUCENE-7066:
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[~jpountz] I think this is an important optimization for any numeric index with
high variance - which is more common than not. The patch LGTM, and since
PointValues are a big feature for this release I'd rather see the improvement
make it now than wait.
> Optimize the "everything matches" case for point range queries
> --------------------------------------------------------------
>
> Key: LUCENE-7066
> URL: https://issues.apache.org/jira/browse/LUCENE-7066
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-7066.patch
>
>
> Now that points have a getDocCount statistic, we could optimize execution of
> range queries in the case that 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.
> I would expect such an optimization to kick in frequently for users who store
> time series in their indices as it is quite frequent for ranges to cover
> entire segments or even entire indices.
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