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Posted to dev@flink.apache.org by "Chesnay Schepler (Jira)" <ji...@apache.org> on 2022/12/04 20:38:00 UTC

[jira] [Created] (FLINK-30290) IteratorSourceReaderBase should report END_OF_INPUT sooner

Chesnay Schepler created FLINK-30290:
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             Summary: IteratorSourceReaderBase should report END_OF_INPUT sooner
                 Key: FLINK-30290
                 URL: https://issues.apache.org/jira/browse/FLINK-30290
             Project: Flink
          Issue Type: Technical Debt
          Components: API / Core
    Affects Versions: 1.17.0
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler
             Fix For: 1.17.0


The iterator source reader base does not report end_of_input when the last value was emitted, but instead requires an additional call to pollNext to be made.
This is fine functionality-wise, and allowed by the the source reader api contracts, but it's not intuitive behavior and leaks into tests for the datagen source.



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