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https://issues.apache.org/jira/browse/HIVE-16023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-16023 started by Jesus Camacho Rodriguez.
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> Wrong estimation for number of rows generated by IN expression
> --------------------------------------------------------------
>
> Key: HIVE-16023
> URL: https://issues.apache.org/jira/browse/HIVE-16023
> Project: Hive
> Issue Type: Bug
> Components: Statistics
> Affects Versions: 2.2.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
>
> Code seems to be wrong, as we are factoring the number of rows to create the
> multiplying factor, instead of NDV for given column(s) and NDV in IN clause.
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