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https://issues.apache.org/jira/browse/FLINK-18882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17175336#comment-17175336
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Timo Walther commented on FLINK-18882:
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I think FLINK-15853 would help here. The new type inference should be rich
enough to properly map all Hive types. However, interval types are not well
supported by the runtime yet.
> Investigate supporting Hive interval type
> -----------------------------------------
>
> Key: FLINK-18882
> URL: https://issues.apache.org/jira/browse/FLINK-18882
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Hive
> Reporter: Rui Li
> Priority: Major
>
> Some UDF returns interval results, and such UDF cannot be called via Flink
> because interval type is not supported at the moment.
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