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https://issues.apache.org/jira/browse/FLINK-13836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917778#comment-16917778
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Jark Wu commented on FLINK-13836:
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Yes. You can call {{UUID()}} built-in function in the SQL as the output field.
> Improve support of java.util.UUID for JDBCTypeUtil
> --------------------------------------------------
>
> Key: FLINK-13836
> URL: https://issues.apache.org/jira/browse/FLINK-13836
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / JDBC
> Affects Versions: 1.8.0
> Reporter: François Lacombe
> Priority: Major
>
> Currently, JDBCTypeUtil used by JDBCAppendTableSinkBuilder dones't support
> UUID types with java.util.UUID in Java.
> Could it be possible to handle that as to allow to write UUID directly to
> postgresql please?
>
> java.lang.IllegalArgumentException: Unsupported type:
> GenericType<java.util.UUID>
> at
> org.apache.flink.api.java.io.jdbc.JDBCTypeUtil.typeInformationToSqlType(JDBCTypeUtil.java:91)
> at
> org.apache.flink.api.java.io.jdbc.JDBCAppendTableSinkBuilder.setParameterTypes(JDBCAppendTableSinkBuilder.java:103)
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