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https://issues.apache.org/jira/browse/HIVE-29652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manya Mehrotra reassigned HIVE-29652:
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Assignee: Manya Mehrotra
> Improve range selectivity estimations in the absence of histograms
> ------------------------------------------------------------------
>
> Key: HIVE-29652
> URL: https://issues.apache.org/jira/browse/HIVE-29652
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Ruben Q L
> Assignee: Manya Mehrotra
> Priority: Major
>
> FilterSelectivityEstimator currently returns some hardcoded values for range
> selectivity when histograms are not present, the goal of the current ticket
> is to explore the possibility of providing better estimations in these cases.
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