d80tb7 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_r315750156
##########
File path: python/pyspark/serializers.py
##########
@@ -401,6 +427,22 @@ def __repr__(self):
return "ArrowStreamPandasUDFSerializer"
+class InterleavedArrowStreamPandasSerializer(ArrowStreamPandasUDFSerializer):
+
+ def __init__(self, timezone, safecheck, assign_cols_by_name):
+ super(InterleavedArrowStreamPandasSerializer, self).__init__(timezone,
safecheck, assign_cols_by_name)
+
+ def load_stream(self, stream):
+ """
+ Deserialize ArrowRecordBatches to an Arrow table and return as a list
of pandas.Series.
+ """
+ reader = InterleavedArrowReader(stream)
Review comment:
doh! yes you're quick right- this is much better.
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