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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (Jira)" <ji...@apache.org> on 2019/09/25 04:18:00 UTC

[jira] [Work started] (HIVE-22241) Implement UDF to convert a date/timestamp from Gregorian-Julian hybrid calendar to proleptic Gregorian calendar

     [ https://issues.apache.org/jira/browse/HIVE-22241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-22241 started by Jesus Camacho Rodriguez.
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> Implement UDF to convert a date/timestamp from Gregorian-Julian hybrid calendar to proleptic Gregorian 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
>
> UDF that converts a date/timestamp from *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, to *proleptic Gregorian calendar* (ISO 8601 standard), which is produced by extending the Gregorian calendar backward to dates preceding its official introduction in 1582.



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