Davies Liu created SPARK-12738:
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Summary: GROUPING__ID is wrong
Key: SPARK-12738
URL: https://issues.apache.org/jira/browse/SPARK-12738
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.6.0, 1.5.2, 1.4.1, 1.3.1
Reporter: Davies Liu
Priority: Critical
For group set, GROUPING__ID should be 1 if the column is aggregated, or 0.
The current implementation is the different, 0 for aggregated, 1 for
not-aggregated.
The implementation in Hive is also wrong, it does not match that in the docs:
https://cwiki.apache.org/confluence/display/Hive/Enhanced+Aggregation,+Cube,+Grouping+and+Rollup
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