[SPARK-56860][PYTHON] Remove unused CogroupArrowUDFSerializer#55868
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Yicong-Huang wants to merge 1 commit into
Open
[SPARK-56860][PYTHON] Remove unused CogroupArrowUDFSerializer#55868Yicong-Huang wants to merge 1 commit into
Yicong-Huang wants to merge 1 commit into
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HyukjinKwon
approved these changes
May 14, 2026
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What changes were proposed in this pull request?
Delete
CogroupArrowUDFSerializerfrompython/pyspark/sql/pandas/serializers.py.Why are the changes needed?
CogroupArrowUDFSerializeris no longer used after SPARK-56312 refactoredSQL_COGROUPED_MAP_ARROW_UDFto useArrowStreamCoGroupSerializerdirectly. This class can be safely deleted.Part of SPARK-55384.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Existing tests:
pyspark.sql.tests.arrow.test_arrow_cogrouped_map.Was this patch authored or co-authored using generative AI tooling?
No.