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From Ádám Szita (Jira) <j...@apache.org>
Subject [jira] [Commented] (HIVE-22241) Implement UDF to interpret date/timestamp using its internal representation and Gregorian-Julian hybrid calendar
Date Fri, 27 Sep 2019 08:00:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-22241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16939197#comment-16939197
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Ádám Szita commented on HIVE-22241:
-----------------------------------

Looks good [~jcamachorodriguez], +1 pending tests

> 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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