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HIVE-3613 Implement grouping_id function
HIVE-3471 Implement grouping sets in hive
HIVE-2397 Support with rollup option for group by
HIVE-3552 HIVE-3552 performant manner for performing cubes/rollups/grouping sets for a high number of grouping set keys
HIVE-3508 create cube and rollup operators in hive without mapside aggregation