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https://issues.apache.org/jira/browse/HIVE-5581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13817499#comment-13817499
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Eric Hanson commented on HIVE-5581:
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I think there is still a possibility in a pathological case that you could
return a value when you should return NULL. See my comment in the code review.
It's almost there. Thanks Teddy.
> Implement vectorized year/month/day... etc. for string arguments
> ----------------------------------------------------------------
>
> Key: HIVE-5581
> URL: https://issues.apache.org/jira/browse/HIVE-5581
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Affects Versions: 0.13.0
> Reporter: Eric Hanson
> Assignee: Teddy Choi
> Attachments: HIVE-5581.1.patch.txt, HIVE-5581.2.patch,
> HIVE-5581.3.patch
>
>
> Functions year(), month(), day(), weekofyear(), hour(), minute(), second()
> need to be implemented for string arguments in vectorized mode.
> They already work for timestamp arguments.
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