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https://issues.apache.org/jira/browse/HIVE-9450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14291304#comment-14291304
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Brock Noland commented on HIVE-9450:
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+1
> [Parquet] Check all data types work for Parquet in Group By operator
> --------------------------------------------------------------------
>
> Key: HIVE-9450
> URL: https://issues.apache.org/jira/browse/HIVE-9450
> Project: Hive
> Issue Type: Sub-task
> Reporter: Dong Chen
> Assignee: Dong Chen
> Attachments: HIVE-9450.patch, HIVE-9450.patch
>
>
> Check all data types work for Parquet in Group By operator.
> 1. Add test cases for data types.
> 2. Fix the ClassCastException bug for CHAR&VARCHAR used in group by for
> Parquet.
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