/// <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));
}
