BryanCutler commented on a change in pull request #24981: [SPARK-27463][PYTHON]
Support Dataframe Cogroup via Pandas UDFs
URL: https://github.com/apache/spark/pull/24981#discussion_r319211663
##########
File path: python/pyspark/serializers.py
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@@ -401,6 +401,35 @@ def __repr__(self):
return "ArrowStreamPandasUDFSerializer"
+class CogroupUDFSerializer(ArrowStreamPandasUDFSerializer):
+
+ def __init__(self, timezone, safecheck, assign_cols_by_name):
+ super(CogroupUDFSerializer, self).__init__(timezone, safecheck,
assign_cols_by_name)
+
+ def load_stream(self, stream):
+ """
+ Deserialize Cogrouped ArrowRecordBatches to a tuple of Arrow tables
and return as a two
Review comment:
grammar: as a -> as
change: return -> yield
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