[jira] [Created] (SPARK-55176) Extract arrow_to_pandas converter logic into ArrowArrayToPandasConversion

["Yicong Huang (Jira)" <ji...@apache.org>]

Yicong Huang created SPARK-55176:
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             Summary: Extract arrow_to_pandas converter logic into ArrowArrayToPandasConversion
                 Key: SPARK-55176
                 URL: https://issues.apache.org/jira/browse/SPARK-55176
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 4.2.0
            Reporter: Yicong Huang


Problem:
{{ArrowStreamPandasSerializer.arrow_to_pandas}} and {{ArrowStreamPandasUDFSerializer.arrow_to_pandas}} mix Arrow-to-pandas conversion logic with serializer instance state. The conversion logic is duplicated and tightly coupled to serializer classes.

Proposal:
Extract the conversion logic into {{ArrowArrayToPandasConversion.create_converter}} factory method. Serializers can then use the factory to create converters without defining their own {{arrow_to_pandas}} methods.



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