[jira] [Updated] (HIVE-3647) map-side groupby wrongly due to HIVE-3432

["Ashutosh Chauhan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ashutosh Chauhan updated HIVE-3647:
-----------------------------------

    Fix Version/s: 0.10.0
    
> map-side groupby wrongly due to HIVE-3432
> -----------------------------------------
>
>                 Key: HIVE-3647
>                 URL: https://issues.apache.org/jira/browse/HIVE-3647
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.10.0
>
>         Attachments: hive.3647.1.patch, hive.3647.2.patch, hive.3647.3.patch, hive.3647.4.patch, hive.3647.5.patch, hive.3647.6.patch, hive.3647.7.patch, hive.3647.8.patch
>
>
> There seems to be a bug due to HIVE-3432.
> We are converting the group by to a map side group by after only looking at
> sorting columns. This can give wrong results if the data is sorted and
> bucketed by different columns.
> Add some tests for that scenario, verify and fix any issues.

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