One the most fundamental functions in Brickhouse is the collect UDF. Based on collect_set, and similar to methods in Ruby and other languages, collect aggregates records into either an array or map from multiple rows. It is the opposite of … Continue reading
Hey, Folks, welcome to the new blog “Brickhouse Confessions”. The purpose is mainly to provide guidance using the new Brickhouse library of Hive extensions, but it will also be a forum to discuss big data and new technologies.