Atul Mohan 661976f266 Reset sketch combiner in AggregatorCombiner (#8368)
* Reset union in AggregateCombiner

* Use newer sketch objects for test

* Add empty sketch objects
2019-08-23 00:22:40 -07:00
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This module provides Druid aggregators based on https://datasketches.github.io/.

Credits: This module is a result of feedback and work done by following people.

https://github.com/cheddar https://github.com/himanshug https://github.com/leerho https://github.com/will-lauer