Pengcheng Xiong created HIVE-12518:
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Summary: CBO: Calcite Operator To Hive Operator (Calcite Return
Path): fix test failure for groupby_resolution.q
Key: HIVE-12518
URL: https://issues.apache.org/jira/browse/HIVE-12518
Project: Hive
Issue Type: Sub-task
Reporter: Pengcheng Xiong
Assignee: Pengcheng Xiong
The problem can be reproduced when there is no map group by and the data is
skewed for return path.
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