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https://issues.apache.org/jira/browse/HIVE-22241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16938993#comment-16938993
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Jesus Camacho Rodriguez commented on HIVE-22241:
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[~szita], I have updated the patch after our conversation offline. I changed
the names and descriptions (in the JIRA and UDF) to make clearer the intent of
the new UDF. I also added new test cases. Can you take a look again? Thanks
> Implement UDF to interpret date/timestamp using its internal representation
> and Gregorian-Julian hybrid calendar
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-22241
> URL: https://issues.apache.org/jira/browse/HIVE-22241
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22241.01.patch, HIVE-22241.02.patch,
> HIVE-22241.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> UDF that converts a date/timestamp to new *proleptic Gregorian calendar* (ISO
> 8601 standard), which is produced by extending the Gregorian calendar
> backward to dates preceding its official introduction in 1582, assuming that
> its internal days/milliseconds since epoch is calculated using legacy
> *Gregorian-Julian hybrid* calendar, i.e., calendar that supports both the
> Julian and Gregorian calendar systems with the support of a single
> discontinuity, which corresponds by default to the Gregorian date when the
> Gregorian calendar was instituted.
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