[jira] [Created] (FLINK-21415) JDBC does not query data, and the cache will store an ArrayList without data

[Shang Yuanchun (Jira)]

Shuai Xia created FLINK-21415:
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             Summary: JDBC does not query data, and the cache will store an ArrayList without data
                 Key: FLINK-21415
                 URL: https://issues.apache.org/jira/browse/FLINK-21415
             Project: Flink
          Issue Type: Bug
          Components: Connectors / JDBC
    Affects Versions: 1.12.1
            Reporter: Shuai Xia


JDBC does not query data, and the cache will store an ArrayList without data.

We should add size judgment.



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