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https://issues.apache.org/jira/browse/HIVE-19500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich updated HIVE-19500:
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Attachment: HIVE-19500.01.patch
> Prevent multiple selectivity estimations for the same variable in conjuctions
> -----------------------------------------------------------------------------
>
> Key: HIVE-19500
> URL: https://issues.apache.org/jira/browse/HIVE-19500
> Project: Hive
> Issue Type: Sub-task
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-19500.01.patch
>
>
> see HIVE-19097 for problem description
> for filters like: {{(d_year in (2001,2002) and d_year = 2001)}} the current
> estimation is around {{(1/NDV)**2}} (iff column stats are available) ....
> this patch targets on branch-2
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