Himanshu 45da7e48f1 groupBy sort results by (dimensions,timestamp) instead of (timestamp,dimension) (#3672)
* sortByDimsFirst flag for groupBy query

* Remove need for KeyType in Grouper<KeyType> to be Comparable<KeyType>

* fix review comments

* fix review comments regarding removing code duplication of dim/time comparison

* move comparator for KeyType object to KeySerdeFactory so that creation of comparator does not need KeySerde

* remove unnecessary system.out.println

* make access static var NATURAL_NULLS_FIRST directly

* further review comments addressing
2016-12-06 09:48:56 -08:00
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2016-07-17 08:30:20 -07:00