Details
-
Sub-task
-
Status: Closed
-
Major
-
Resolution: Fixed
-
None
-
None
Description
Vectorize the basic case that does not have any count distinct aggregation.
Add a 4th processing mode in VectorGroupByOperator for reduce where each input VectorizedRowBatch has only values for one key at a time. Thus, the values in the batch can be aggregated quickly.