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https://issues.apache.org/jira/browse/HIVE-9690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340936#comment-14340936
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Ashutosh Chauhan commented on HIVE-9690:
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+1
> Refactoring for non-numeric arithmetic operations
> -------------------------------------------------
>
> Key: HIVE-9690
> URL: https://issues.apache.org/jira/browse/HIVE-9690
> Project: Hive
> Issue Type: Sub-task
> Components: UDF
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-9690.1.patch, HIVE-9690.2.patch, HIVE-9690.3.patch
>
>
> Some refactoring for HIVE-5021. The current arithmetic UDFs are specialized
> for numeric types, and trying to change the logic in the existing UDFs looks
> a bit complicated. A less intrusive fix would be to create the
> date-time/interval arithmetic UDFs as a separate UDF class, and to make the
> plus/minus UDFs act as a wrapper which would invoke the numeric or interval
> arithmetic UDF depending on the args.
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