Adam Binford created SPARK-49476:
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Summary: Base64 nullability change
Key: SPARK-49476
URL: https://issues.apache.org/jira/browse/SPARK-49476
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.5.2, 4.0.0
Reporter: Adam Binford
In [https://github.com/apache/spark/pull/47303] , the Base64 function was
updated to use `StaticInvoke` instead of directly calling the underlying encode
function. This change also updated Base64 of a non-nullable child to be
nullable instead of non-nullable. This was backported to Spark 3.5 as well
([https://github.com/apache/spark/pull/47325)] and has caused issues with
failing state schema checks for stateful streaming jobs. This should be fixed
to have the nullability based on the child.
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