Xingcan Cui created FLINK-33547:
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Summary: Primitive SQL array type after upgrading to Flink 1.18.0
Key: FLINK-33547
URL: https://issues.apache.org/jira/browse/FLINK-33547
Project: Flink
Issue Type: Technical Debt
Components: Table SQL / Runtime
Affects Versions: 1.18.0
Reporter: Xingcan Cui
We have some Flink SQL UDFs that use object array (Object[]) arguments and take
boxed arrays (e.g., Float[]) as parameters. After upgrading to Flink 1.18.0,
the data created by ARRAY[] SQL function became primitive arrays (e.g.,
float[]) and it caused argument mismatch issues. I'm not sure if it's expected.
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