jingz-db commented on code in PR #48838:
URL: https://github.com/apache/spark/pull/48838#discussion_r1859574639
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python/pyspark/sql/pandas/serializers.py:
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@@ -1201,11 +1201,89 @@ def generate_data_batches(batches):
def dump_stream(self, iterator, stream):
"""
- Read through an iterator of (iterator of pandas DataFrame), serialize
them to Arrow
- RecordBatches, and write batches to stream.
+ Read through chained return results from a single partition of
handleInputRows.
Review Comment:
Added a `test_transform_with_state_with_timers_single_partition` to test
with all timer suites with single partition.
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