[jira] [Created] (FLINK-12582) Alterations in GenericInMemoryCatalog should check existing object and new object are of the same class

[Bowen Li (JIRA)]

Bowen Li created FLINK-12582:
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             Summary: Alterations in GenericInMemoryCatalog should check 
existing object and new object are of the same class
                 Key: FLINK-12582
                 URL: https://issues.apache.org/jira/browse/FLINK-12582
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / API
            Reporter: Bowen Li
            Assignee: Bowen Li
             Fix For: 1.9.0


Alterations in GenericInMemoryCatalog should check existing object and new 
object are of the same class. It currently doesn't, and you can alter an 
existing generic table with a new hive table.



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