Github user viirya commented on the issue:
https://github.com/apache/spark/pull/21732
@cloud-fan I made attempt to remove `topLevel` parameter. The approach is
to flatten serializers and deserialzer at `TypedAggregateExpression`. So users
are not aware of difference when using expression encoder.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
