udfarrayconcat(values) – Concatenates the array arguments Platforms: WhereOS, Spark, Hive Class: com.whereos.udf.UDFArrayConcat More functions can

trim(str) – Removes the leading and trailing space characters from `str`. trim(BOTH trimStr FROM str)

trunc(date, fmt) – Returns `date` with the time portion of the day truncated to the

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

tree_export(string model, const string options, optional array featureNames=null, optional array classNames=null) – exports a Decision

tree_predict(string modelId, string model, array features [, const string options | const boolean classification=false]) –