rownum


rownum() – Returns a generated row number `sprintf(`%d%04d`,sequence,taskId)` in long

SELECT rownum() as rownum, xxx from …

Platforms: WhereOS, Spark, Hive
Class: hivemall.tools.mapred.RowNumberUDF

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.

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