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https://issues.apache.org/jira/browse/FLINK-18882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17175369#comment-17175369
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Timo Walther commented on FLINK-18882:
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Yes, we can proceed with FLINK-15853 and remove all the special paths for Hive
functions in the Blink planner. We should make sure that we support all Hive
types then. In theory, Flink's type system is a superset of Hive's. So it
should be almost a 1:1 mapping.
> 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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