Actually, I am wondering if it has something to do with Hadoop and/or Apache Spark. The reason for that is that they mention Hive, Spark and Impala which are a

Actually, I am wondering if it has something to do with Hadoop and/or Apache Spark. The reason for that is that they mention Hive, Spark and Impala which are all SQL engines that live on top of Hadoop. Since the Hadoop ecosystem is mostly all open source, it would make sense that one could go fiddle with these open source optimizers to make this happen.