[jira] [Created] (FLINK-28838) Avoid to notify the elementQueue consumer when the fetch result is empty

[Aitozi (Jira)]

Aitozi created FLINK-28838:
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             Summary: Avoid to notify the elementQueue consumer when the fetch 
result is empty
                 Key: FLINK-28838
                 URL: https://issues.apache.org/jira/browse/FLINK-28838
             Project: Flink
          Issue Type: Improvement
          Components: Connectors / Common
    Affects Versions: 1.15.1, 1.15.0
            Reporter: Aitozi






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