Grouping a grouped dataset is not supported. You can group on multiple keys: dataSet.groupBy(1,2).
Can you describe your use case if that does not solve the problem? 2016-05-02 10:34 GMT+02:00 Punit Naik <naik.puni...@gmail.com>: > Hello > > I wanted to perform a groupBy on an already grouped dataset. How do I do > this? > > -- > Thank You > > Regards > > Punit Naik >
