map_filter_keys


map_filter_keys(map, key_array) – Returns the filtered entries of a map corresponding to a given set of keys

Platforms: WhereOS, Spark, Hive
Class: brickhouse.udf.collect.MapFilterKeysUDF

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.

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