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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2019/09/29 09:35:00 UTC

[jira] [Updated] (FLINK-13490) Fix if one column value is null when reading JDBC, the following values are all null

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

Jark Wu updated FLINK-13490:
----------------------------
    Summary: Fix if one column value is null when reading JDBC, the following values are all null  (was: Fix return null in JDBCUtils::getFieldFromResultSet)

> Fix if one column value is null when reading JDBC, the following values are all null
> ------------------------------------------------------------------------------------
>
>                 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: 1.10.0, 1.9.1
>
>
> 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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