d80tb7 commented on a change in pull request #24965: [WIP][SPARK-27463][PYTHON]
Support Dataframe Cogroup via Pandas UDFs
URL: https://github.com/apache/spark/pull/24965#discussion_r297868986
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File path: python/pyspark/worker.py
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@@ -111,8 +111,25 @@ def verify_result_length(result, length):
map(verify_result_type, f(*iterator)))
-def wrap_grouped_map_pandas_udf(f, return_type, argspec):
+def wrap_cogrouped_map_pandas_udf(f, return_type):
+ def wrapped(left, right):
Review comment:
yes they are- they are value series for left and right sides of the cogroup
respectively. Agreed that the names aren't the best. I'll improve them when I
do a tidy up.
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