v0.7.0 - Relational Layer with Aggregation
v0.7.0
This versions introduces:
-
FlatMap- coverts each element, producing multiple output elements like a stream and merges them into a single sequence -
Relational Operations
Join(inner join)CrossJoinLeftJoinGroupBy
-
Aggregate- applies functions to groups(e.g,sum,avg,max)
With v0.7.0, you can now:
- combine, expand, group and aggregate data