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Posted to dev@flink.apache.org by "Yunfeng Zhou (Jira)" <ji...@apache.org> on 2023/03/24 08:22:00 UTC

[jira] [Created] (FLINK-31605) Table#to_pandas check table boundedness

Yunfeng Zhou created FLINK-31605:
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             Summary: Table#to_pandas check table boundedness
                 Key: FLINK-31605
                 URL: https://issues.apache.org/jira/browse/FLINK-31605
             Project: Flink
          Issue Type: Improvement
          Components: API / Python
    Affects Versions: 1.17.0
            Reporter: Yunfeng Zhou


When `Table#to_pandas` is invoked on a table with an unbounded source, this method would not throw exceptions. Instead, it would be infinitely executing without exiting. It would be better to check the boundedness of a table before execution and throw exceptions on unbounded cases.

It might be possible to reference the code in `StreamGraphGenerator#existsUnboundedSource` to judge whether a Table is bounded or not.



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