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Posted to issues@hive.apache.org by "Ivan Suller (JIRA)" <ji...@apache.org> on 2019/06/17 09:11:00 UTC

[jira] [Resolved] (HIVE-21542) Group by rollup returns with empty result when the grouped dataset is empty

     [ https://issues.apache.org/jira/browse/HIVE-21542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Suller resolved HIVE-21542.
--------------------------------
      Resolution: Duplicate
    Release Note: Duplicate of HIVE-21795

> Group by rollup returns with empty result when the grouped dataset is empty
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-21542
>                 URL: https://issues.apache.org/jira/browse/HIVE-21542
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>            Reporter: Ivan Suller
>            Assignee: Ivan Suller
>            Priority: Major
>         Attachments: groupby_rollup_empty2.q
>
>
> Running the attached q file the result is not what is expected: the rollup group by missing the one summary row. The summary row should be there even if the source dataset is empty.



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