[jira] [Created] (HIVE-21081) DATE_FORMAT incorrectly returns results on the last week of the calendar year

[Wilson Lu (JIRA)]

Wilson Lu created HIVE-21081:
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             Summary: DATE_FORMAT incorrectly returns results on the last week 
of the calendar year
                 Key: HIVE-21081
                 URL: https://issues.apache.org/jira/browse/HIVE-21081
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 2.3.2, 2.1.1, 2.3.3
            Reporter: Wilson Lu


The hive DATE_FORMAT does not perform the correct operation on the last week of 
the calendar year. The following statements incorrectly formats the data:

select DATE_FORMAT('2017-12-31', 'YYYYMM')

select DATE_FORMAT('2018-12-30', 'YYYYMM')
select DATE_FORMAT('2018-12-31', 'YYYYMM')

select DATE_FORMAT('2019-12-29', 'YYYYMM')
select DATE_FORMAT('2019-12-30', 'YYYYMM')
select DATE_FORMAT('2019-12-31', 'YYYYMM')

 

 



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