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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/09/01 09:17:00 UTC

[jira] [Updated] (HIVE-29652) Improve range selectivity estimations in the absence of histograms

     [ https://issues.apache.org/jira/browse/HIVE-29652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HIVE-29652:
----------------------------------
    Labels: pull-request-available  (was: )

> 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
>              Labels: pull-request-available
>
> 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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