lpad(str, len, pad) – Returns `str`, left-padded with `pad` to a length of `len`. If `str` is longer than `len`, the return value is shortened to `len` characters.
Platforms: WhereOS, Spark, Hive
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.