[jira] [Created] (FLINK-20785) MapRelDataType for legacy planner has wrong digest

[Shang Yuanchun (Jira)]

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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