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From "Timo Walther (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6870) Combined batch and stream TableSource can not produce same time attributes
Date Thu, 08 Jun 2017 12:43:18 GMT
Timo Walther created FLINK-6870:
-----------------------------------

             Summary: Combined batch and stream TableSource can not produce same time attributes
                 Key: FLINK-6870
                 URL: https://issues.apache.org/jira/browse/FLINK-6870
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
            Reporter: Timo Walther


If a class implements both {{BatchTableSource}} and {{StreamTableSource}}, it is not possible
to declare a time attribute which is valid for both environments. For batch it should be a
regular field, but not for streaming. The {{getReturnType}} method does not know the environment
in which it is called.



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