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Posted to issues@flink.apache.org by "Jark Wu (JIRA)" <ji...@apache.org> on 2019/07/30 09:09:00 UTC

[jira] [Assigned] (FLINK-13490) Fix return null in JDBCUtils::getFieldFromResultSet

     [ https://issues.apache.org/jira/browse/FLINK-13490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu reassigned FLINK-13490:
-------------------------------

    Assignee: Caizhi Weng

> Fix return null in JDBCUtils::getFieldFromResultSet
> ---------------------------------------------------
>
>                 Key: FLINK-13490
>                 URL: https://issues.apache.org/jira/browse/FLINK-13490
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Connectors / JDBC
>            Reporter: Caizhi Weng
>            Assignee: Caizhi Weng
>            Priority: Critical
>             Fix For: 1.9.0, 1.10.0
>
>
> The null checking in `JDBCUtils::getFieldFromResultSet` is incorrect. Under the current implementation, if one column is null in the result set, the following calls to this method using the same result set will always return null, no matter what the content of the column is.



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