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https://issues.apache.org/jira/browse/HIVE-18585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-18585:
------------------------------------
    Status: Open  (was: Patch Available)

> Return type for udfs should be determined using Hive inference rules instead 
> of Calcite
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-18585
>                 URL: https://issues.apache.org/jira/browse/HIVE-18585
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>            Priority: Major
>         Attachments: HIVE-18585.1.patch, HIVE-18585.patch
>
>
> e.g., Calcite considers date and varchar incompatible types in case system, 
> while Hive doesn't.



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