Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/15821#discussion_r112365872 --- Diff: python/pyspark/sql/dataframe.py --- @@ -1635,21 +1636,49 @@ def toDF(self, *cols): return DataFrame(jdf, self.sql_ctx) @since(1.3) - def toPandas(self): - """Returns the contents of this :class:`DataFrame` as Pandas ``pandas.DataFrame``. + def toPandas(self, useArrow=False): + """ + Returns the contents of this :class:`DataFrame` as Pandas ``pandas.DataFrame``. This is only available if Pandas is installed and available. + :param useArrow: Make use of Apache Arrow for conversion, pyarrow must be installed + and available on the calling Python process (Experimental). + .. note:: This method should only be used if the resulting Pandas's DataFrame is expected to be small, as all the data is loaded into the driver's memory. + .. note:: Using pyarrow is experimental and currently supports the following data types: --- End diff -- remove this after you moved the control to a SQLConf.
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