map_keys(map) – Returns an unordered array containing the keys of the map. Platforms: WhereOS, Spark,

map_tail_n(map SRC, int N) – Returns the last N elements from a sorted array of

map_get_sum(map src, array keys) – Returns sum of values that are retrieved by keys Platforms:

map_include_keys(Map map, array filteringKeys) – Returns the filtered entries of a map having specified keys

Platforms: WhereOS, Spark, Hive Class: brickhouse.udf.collect.MapIndexUDF More functions can be added to WhereOS via Python

map_exclude_keys(Map map, array filteringKeys) – Returns the filtered entries of a map not having specified