HyukjinKwon commented on code in PR #50099:
URL: https://github.com/apache/spark/pull/50099#discussion_r1976523920
##########
python/pyspark/sql/pandas/serializers.py:
##########
@@ -175,6 +178,16 @@ def wrap_and_init_stream():
return super(ArrowStreamUDFSerializer,
self).dump_stream(wrap_and_init_stream(), stream)
+class ArrowStreamUDTFSerializer(ArrowStreamUDFSerializer):
+ """
+ Same as :class:`ArrowStreamSerializer` but it flattens the struct to Arrow
record batch
+ for applying each function with the raw record arrow batch. See also
`DataFrame.mapInArrow`.
+ """
+
+ def load_stream(self, stream):
+ return super(ArrowStreamUDFSerializer, self).load_stream(stream)
Review Comment:
SGTM
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