HyukjinKwon commented on code in PR #38624:
URL: https://github.com/apache/spark/pull/38624#discussion_r1375550162
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python/pyspark/sql/pandas/serializers.py:
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@@ -162,6 +162,49 @@ def wrap_and_init_stream():
return super(ArrowStreamUDFSerializer,
self).dump_stream(wrap_and_init_stream(), stream)
+class ArrowStreamGroupUDFSerializer(ArrowStreamUDFSerializer):
+ """
+ Serializes pyarrow.RecordBatch data with Arrow streaming format.
+
+ Loads Arrow record batches as `[[pa.RecordBatch]]` (one `[pa.RecordBatch]`
per group)
Review Comment:
```suggestion
Loads Arrow record batches as ``[[pyarrow.RecordBatch]]`` (one
``[pyarrow.RecordBatch]`` per group)
```
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