BryanCutler commented on a change in pull request #34505:
URL: https://github.com/apache/spark/pull/34505#discussion_r747196024
##########
File path: python/pyspark/sql/pandas/map_ops.py
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@@ -91,6 +91,68 @@ def mapInPandas(
jdf = self._jdf.mapInPandas(udf_column._jc.expr()) # type:
ignore[operator]
return DataFrame(jdf, self.sql_ctx)
+ def mapInArrow(
+ self, func: "ArrowMapIterFunction", schema: Union[StructType, str]
+ ) -> "DataFrame":
+ """
+ Maps an iterator of batches in the current :class:`DataFrame` using a
Python native
+ function that takes and outputs a PyArrow's `RecordBatch`, and returns
the result as a
+ :class:`DataFrame`.
Review comment:
Oh I think I read it wrong, result is a PySpark `DataFrame`
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