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https://issues.apache.org/jira/browse/FLINK-13490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-13490:
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Priority: Critical (was: Major)
> 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
> 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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