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https://issues.apache.org/jira/browse/FLINK-12309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17336487#comment-17336487
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Flink Jira Bot commented on FLINK-12309:
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This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> JDBCOoutputFormat and JDBCAppendTableSink float behavior is not align
> ---------------------------------------------------------------------
>
> Key: FLINK-12309
> URL: https://issues.apache.org/jira/browse/FLINK-12309
> Project: Flink
> Issue Type: Bug
> Components: Connectors / JDBC
> Reporter: FaxianZhao
> Priority: Major
> Labels: pull-request-available, stale-major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When we use JDBCAppendTableSinkBuilder#setParameterTypes() config the JDBC
> types, it bind BasicTypeInfo#FLOAT_TYPE_INFO to java.sql.Types#FLOAT.
> But JDBCOutputFormat#writeRecord will force cast the float value to double,
> so it will throw ClassCastException like "java.lang.Float cannot be cast to
> java.lang.Double".
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