uros-b commented on code in PR #56458:
URL: https://github.com/apache/spark/pull/56458#discussion_r3481140057
##########
python/pyspark/worker.py:
##########
@@ -1047,7 +1046,9 @@ def read_udtf(pickleSer, udtf_info, eval_type,
runner_conf, eval_conf):
int_to_decimal_coercion_enabled=runner_conf.int_to_decimal_coercion_enabled,
)
else:
- ser = ArrowStreamUDTFSerializer()
+ # Pure Arrow stream I/O; output struct wrapping is handled in the
+ # mapper below.
Review Comment:
Nit: the new inline comment says "the mapper below" but it was renamed to
func. Some other comments might be stale too?
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