format_number(expr1, expr2) – Formats the number `expr1` like ‘#,###,###.##’, rounded to `expr2` decimal places. If `expr2` is 0, the result has no decimal point or fractional part. `expr2` also accept a user specified format. This is supposed to function like MySQL’s FORMAT.
Platforms: WhereOS, Spark, Hive
Class: org.apache.spark.sql.catalyst.expressions.FormatNumber
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.
