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Posted to issues@flink.apache.org by "Shuai Xia (Jira)" <ji...@apache.org> on 2021/02/19 08:08:00 UTC

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

    [ https://issues.apache.org/jira/browse/FLINK-21415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286915#comment-17286915 ] 

Shuai Xia commented on FLINK-21415:
-----------------------------------

Question: [JdbcRowDataLookupFunction|https://github.com/apache/flink/blob/2a78440bd333a68c24acfeea016f35ec63bbe3f9/flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/table/JdbcRowDataLookupFunction.java#L153]

> 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
>            Priority: Major
>
> JDBC does not query data, and the cache will store an ArrayList without data.
> We should add size judgment.



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