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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2019/01/17 20:28:00 UTC

[jira] [Created] (SPARK-26651) Use Proleptic Gregorian calendar

Maxim Gekk created SPARK-26651:
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             Summary: Use Proleptic Gregorian calendar
                 Key: SPARK-26651
                 URL: https://issues.apache.org/jira/browse/SPARK-26651
             Project: Spark
          Issue Type: Umbrella
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Maxim Gekk


Spark 2.4 and previous versions use a hybrid calendar - Julian + Gregorian in date/timestamp parsing, functions and expressions. The ticket aims to switch Spark on Proleptic Gregorian calendar, and use java.time classes introduced in Java 8 for timestamp/date manipulations. One of the purpose of switching on Proleptic Gregorian calendar is to conform to SQL standard which supposes such calendar.



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