/// <summary>
/// Mark the DataFrame as non-persistent, and remove all blocks for it from memory and disk.
/// </summary>
/// <param name="blocking">Whether to block until all blocks are deleted.</param>
// Python API: https://github.com/apache/spark/blob/branch-1.4/python/pyspark/sql/dataframe.py unpersist(self, blocking=True)
public DataFrame Unpersist(bool blocking = true)
{
dataFrameProxy.Unpersist(blocking);
return(this);
}
