Yicong Huang created SPARK-56312:
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Summary: Refactor SQL_WINDOW_AGG_ARROW_UDF to use
ArrowStreamSerializer
Key: SPARK-56312
URL: https://issues.apache.org/jira/browse/SPARK-56312
Project: Spark
Issue Type: Sub-task
Components: SQL, PySpark
Affects Versions: 4.2.0
Reporter: Yicong Huang
Refactor SQL_WINDOW_AGG_ARROW_UDF to be self-contained in read_udfs(), moving
logic from ArrowStreamAggArrowUDFSerializer and wrapper functions into
worker.py, using ArrowStreamSerializer as pure I/O.
This follows the same pattern as SPARK-56123 (SQL_GROUPED_AGG_ARROW_UDF
refactor).
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