The problem statement and an approach to solve it recursively is described here: https://stackoverflow.com/questions/52508872/how-to-recursively-aggregate-treelikehierarchical-data-using-spark
Looking for more elegant/performant solutions, if they exist. TIA ! -- Sent from: http://apache-spark-user-list.1001560.n3.nabble.com/ --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org
