[jira] [Resolved] (HIVE-3852) Multi-groupby optimization fails when same distinct column is used twice or more

["Namit Jain (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-3852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Namit Jain resolved HIVE-3852.
------------------------------

       Resolution: Fixed
    Fix Version/s: 0.11.0
     Hadoop Flags: Reviewed

Committed. Thanks Navis
                
> Multi-groupby optimization fails when same distinct column is used twice or more
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-3852
>                 URL: https://issues.apache.org/jira/browse/HIVE-3852
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>             Fix For: 0.11.0
>
>         Attachments: HIVE-3852.D7737.1.patch
>
>
> {code}
> FROM INPUT
> INSERT OVERWRITE TABLE dest1 
> SELECT INPUT.key, sum(distinct substr(INPUT.value,5)), count(distinct substr(INPUT.value,5)) GROUP BY INPUT.key
> INSERT OVERWRITE TABLE dest2 
> SELECT INPUT.key, sum(distinct substr(INPUT.value,5)), avg(distinct substr(INPUT.value,5)) GROUP BY INPUT.key;
> {code}
> fails with exception FAILED: IndexOutOfBoundsException Index: 0,Size: 0

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