Return a copy of the current sampled DataFrame, that undoes calling
All other operations that have been done on the sample DataFrame will be applied on the DataFrame
that is returned. The returned DataFrame’s data will look as if
get_sample() was never
called, but the state of the DataFrame could be slightly different since
might have called
This does not remove the table that was written to the database by
get_sample(), the new
DataFrame just does not query that table anymore.
Will raise an error if the current DataFrame is not sample data of another DataFrame, i.e.
get_sample() has not been called.
An unsampled copy of the current sampled DataFrame.