Hi All, I'm sharing a design doc to do some refactoring for HashAgg to make it easier to unit test, and reduce the dev / QA time required to make changes to it. Please take a look and leave comments.
https://docs.google.com/document/d/110BAWg3QXMfdmuqB0p3HuaoKpPGY-lqCRtHFxdh53Ds/edit# I'll be updating https://issues.apache.org/jira/browse/DRILL-6253 to hold all the subtasks involved for this. Thanks, Tim
