Namit Jain created HIVE-3647:
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Summary: map-side groupby wrongly due to HIVE-3432
Key: HIVE-3647
URL: https://issues.apache.org/jira/browse/HIVE-3647
Project: Hive
Issue Type: Bug
Components: Query Processor
Reporter: Namit Jain
Assignee: Namit Jain
There seems to be a bug due to HIVE-3432.
We are converting the group by to a map side group by after only looking at
sorting columns. This can give wrong results if the data is sorted and
bucketed by different columns.
Add some tests for that scenario, verify and fix any issues.
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