/// <summary> /// Union with another DataFrame WITHOUT removing duplicated rows. /// This is equivalent to `UNION ALL` in SQL. /// Reference to https://github.com/apache/spark/blob/branch-1.4/python/pyspark/sql/dataframe.py, unionAll(self, other) /// </summary> /// <param name="otherDataFrame">DataFrame to union all with.</param> /// <returns>Unioned DataFrame.</returns> public DataFrame UnionAll(DataFrame otherDataFrame) { return (new DataFrame(dataFrameProxy.UnionAll(otherDataFrame.dataFrameProxy), sparkContext)); }