combine(a,b) – Returns a combined list of two lists, or a combined map of two maps
Platforms: WhereOS, Spark, Hive
Class: brickhouse.udf.collect.CombineUDF
More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.