Fangchen Li created SPARK-54891:
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Summary: Unified type coercion for Arrow-backed Python UDFs
Key: SPARK-54891
URL: https://issues.apache.org/jira/browse/SPARK-54891
Project: Spark
Issue Type: Sub-task
Components: PySpark
Affects Versions: 4.2.0
Reporter: Fangchen Li
When Arrow optimization is enabled for Python UDFs, the type coercion behavior
differs from that of the pickle-based UDFs.
We need to control the coercion behavior for backward compatibility and to help
migrations.
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