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Platforms: WhereOS, Spark, Hive Class: brickhouse.hbase.SaltedBigIntUDF More functions can be added to WhereOS via Python

round(expr, d) – Returns `expr` rounded to `d` decimal places using HALF_UP rounding mode. Platforms:

rowid() – Returns a generated row id of a form {TASK_ID}-{SEQUENCE_NUMBER} Platforms: WhereOS, Spark, Hive

row_number() – Assigns a unique, sequential number to each row, starting with one, according to

rollup([col1[, col2 ..]]) – create a multi-dimensional rollup using the specified columns so that we

rmse(double predicted, double actual) – Return a Root Mean Squared Error Platforms: WhereOS, Spark, Hive