Gian Merlino 77297f4e6f GroupBy array-based result rows. (#8196) ... * GroupBy array-based result rows. Fixes #8118; see that proposal for details. Other than the GroupBy changes, the main other "interesting" classes are: - ResultRow: The array-based result type. - BaseQuery: T is no longer required to be Comparable. - QueryToolChest: Adds "decorateObjectMapper" to enable query-aware serialization and deserialization of result rows (necessary due to their positional nature). - QueryResource: Uses the new decoration functionality. - DirectDruidClient: Also uses the new decoration functionality. - QueryMaker (in Druid SQL): Modifications to read ResultRows. These classes weren't changed, but got some new javadocs: - BySegmentQueryRunner - FinalizeResultsQueryRunner - Query * Adjustments for TC stuff.		2019-07-31 16:15:12 -07:00
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main	fix AggregatorFactory.finalizeComputation implementations to be ok with null inputs (#7731)	2019-05-22 21:13:09 -07:00
test/java/org/apache/druid/query/aggregation/distinctcount	GroupBy array-based result rows. (#8196)	2019-07-31 16:15:12 -07:00