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https://issues.apache.org/jira/browse/HIVE-12531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15941991#comment-15941991
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Pengcheng Xiong commented on HIVE-12531:
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Hello, I am deferring this to Hive 3.0 as we are going to cut the first RC and
it is not marked as blocker. Please feel free to commit to the branch if this
can be resolved before the release.
> Implement fast-path for Year/Month UDFs for dates between 1999 and 2038
> -----------------------------------------------------------------------
>
> Key: HIVE-12531
> URL: https://issues.apache.org/jira/browse/HIVE-12531
> Project: Hive
> Issue Type: Improvement
> Reporter: Gopal V
> Assignee: Jason Dere
> Attachments: HIVE-12531.1.patch, HIVE-12531.2.patch,
> HIVE-12531.3.patch
>
>
> Current codepath goes into the JDK Calendar implementation, which is very
> slow for the simple cases in the current decade.
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