Danny Chen created FLINK-20785:
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Summary: MapRelDataType for legacy planner has wrong digest
Key: FLINK-20785
URL: https://issues.apache.org/jira/browse/FLINK-20785
Project: Flink
Issue Type: Task
Components: Table SQL / Legacy Planner
Affects Versions: 1.12.0
Reporter: Danny Chen
In the legacy planner, we create the {{MapRelDataType}} ignoring the key and
value nullability. If we implements the digest correctly, it would conflict
with the logic.
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