Jungtaek Lim created SPARK-53743:
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Summary: ListState fetchWithArrow option does not work with
PySpark Row type API
Key: SPARK-53743
URL: https://issues.apache.org/jira/browse/SPARK-53743
Project: Spark
Issue Type: Bug
Components: Structured Streaming
Affects Versions: 4.1.0
Reporter: Jungtaek Lim
We got a report that TWS PySpark with Row type API failed on requesting
ListState.put(), weirdly ran fine and eventually failed.
>From stack trace of the report, we figured out it took the code path of
>fetchWithArrow (which is only triggered when the list size is exactly 100 -
>which was a bug) and the conversion does only consider Pandas type API.
We need to either fix Arrow code path to deal with both Pandas type and Row
type, or just remove that code path.
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