HeartSaVioR commented on code in PR #48838:
URL: https://github.com/apache/spark/pull/48838#discussion_r1857722320
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python/pyspark/sql/pandas/serializers.py:
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@@ -1201,11 +1201,89 @@ def generate_data_batches(batches):
def dump_stream(self, iterator, stream):
"""
- Read through an iterator of (iterator of pandas DataFrame), serialize
them to Arrow
- RecordBatches, and write batches to stream.
+ Read through chained return results from a single partition of
handleInputRows.
Review Comment:
I'll wait for the next update about whether my suggestion works or not. I
think the complexity would be very different, hence I would like to defer the
further review after that.
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