conv(num, from_base, to_base) – Convert `num` from `from_base` to `to_base`. Platforms: WhereOS, Spark, Hive Class:

combine_sketch(x) – Combine two sketch sets. Platforms: WhereOS, Spark, Hive Class: brickhouse.udf.sketch.CombineSketchUDF More functions can

combine_unique(x) – Returns an array of all distinct elements of all lists in the aggregation

concat(col1, col2, …, colN) – Returns the concatenation of col1, col2, …, colN. Platforms: WhereOS,

combine(a,b) – Returns a combined list of two lists, or a combined map of two

combine_hyperloglog(x) – Combined two HyperLogLog++ binary blobs. Platforms: WhereOS, Spark, Hive Class: brickhouse.udf.hll.CombineHyperLogLogUDF More functions