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https://issues.apache.org/jira/browse/HIVE-2517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-2517:
-----------------------------------
Attachment: hive-2517_1.patch
I think it doesn't make sense to do a group by on union data type since what
data type it contains varies on row by row basis. This is same as I have
pointed on HIVE-2508 So, I have stripped off bits on union type from this
patch. I have left hash code still in there because its useful for
GenericUDFHash().
> Support group by on union and struct type
> -----------------------------------------
>
> Key: HIVE-2517
> URL: https://issues.apache.org/jira/browse/HIVE-2517
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: hive-2517.patch, hive-2517_1.patch
>
>
> Currently group by on struct and union types are not supported. This issue
> will enable support for those.
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