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

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

rint(expr) – Returns the double value that is closest in value to the argument and

str rlike regexp – Returns true if `str` matches `regexp`, or false otherwise. Platforms: WhereOS,

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

reverse(array) – Returns a reversed string or an array with reverse order of elements. Platforms: