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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (Jira)" <ji...@apache.org> on 2019/09/25 04:16:00 UTC

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

Jesus Camacho Rodriguez created HIVE-22241:
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             Summary: 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


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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