select with more than 5 typed columns

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select with more than 5 typed columns

Nathan Kronenfeld-2
Looking in Dataset, there are select functions taking from 1 to 5 TypedColumn arguments.

Is there a built-in way to pull out more than 5 typed columns into a Dataset (without having to resort to using a DataFrame, or manual processing of the RDD)?

Thanks,
                 - Nathan Kronenfeld
                 - Uncharted Software