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https://issues.apache.org/jira/browse/HIVE-16751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16061089#comment-16061089
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Ashutosh Chauhan commented on HIVE-16751:
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+1

> Support different types for grouping columns in GroupBy Druid queries
> ---------------------------------------------------------------------
>
>                 Key: HIVE-16751
>                 URL: https://issues.apache.org/jira/browse/HIVE-16751
>             Project: Hive
>          Issue Type: Bug
>          Components: Druid integration
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-16751.patch
>
>
> Calcite 1.13 pushes EXTRACT and FLOOR function to Druid as an extraction 
> function (cf CALCITE-1758). Originally, we were assuming that all group by 
> columns in a druid query were of STRING type; however, this will not true 
> anymore (result of EXTRACT is an INT and result of FLOOR a TIMESTAMP).
> When we upgrade to Calcite 1.13, we will need to extend the DruidSerDe to 
> handle these functions.



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