> > My question wrt Java/Scala was related to extending the classes to support > new custom data sources, so was wondering if those could be written in > Java, since our company is a Java shop. >
Yes, you should be able to extend the required interfaces using Java. The additional push downs I am looking for are aggregations with grouping > and sorting. > Essentially, I am trying to evaluate if this API can give me much of what > is possible with the Apache MetaModel project. > We don't currently push those down today as our initial focus is on getting data into Spark so that you can join with other sources and then do such processing. Its possible we will extend the pushdown API though in the future.
