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https://issues.apache.org/jira/browse/SPARK-55169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-55169:
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Labels: pull-request-available (was: )
> Refactor ArrowStreamArrowUDTFSerializer to use
> ArrowBatchTransformer.flatten_struct
> -----------------------------------------------------------------------------------
>
> Key: SPARK-55169
> URL: https://issues.apache.org/jira/browse/SPARK-55169
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 4.2.0
> Reporter: Yicong Huang
> Priority: Major
> Labels: pull-request-available
>
> {{ArrowStreamArrowUDTFSerializer.load_stream}} has inline flatten logic that
> duplicates {{ArrowBatchTransformer.flatten_struct}}:
> {code:python}
> # Current code (line 203-208)
> struct = batch.column(i)
> flattened_batch = pa.RecordBatch.from_arrays(
> struct.flatten(), schema=pa.schema(struct.type)
> )
> {code}
> This should reuse {{ArrowBatchTransformer.flatten_struct}} to eliminate
> duplicated transformation logic.
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