Siying Dong created SPARK-44464:
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Summary: Fix applyInPandasWithStatePythonRunner to output rows
that have Null as first column value
Key: SPARK-44464
URL: https://issues.apache.org/jira/browse/SPARK-44464
Project: Spark
Issue Type: Bug
Components: Structured Streaming
Affects Versions: 3.3.3
Reporter: Siying Dong
The current implementation of {{ApplyInPandasWithStatePythonRunner}} cannot
deal with outputs where the first column of the row is {{{}null{}}}, as it
cannot distinguish the case where the column is null, or the field is filled as
the number of data records are smaller than state records.
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