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Posted to dev@hive.apache.org by "Anup (JIRA)" <ji...@apache.org> on 2016/08/26 21:40:20 UTC

[jira] [Created] (HIVE-14657) datediff function produce different results with timestamp and string combination

Anup created HIVE-14657:
---------------------------

             Summary: datediff function produce different results with timestamp and string combination
                 Key: HIVE-14657
                 URL: https://issues.apache.org/jira/browse/HIVE-14657
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 0.13.0
            Reporter: Anup
            Priority: Minor


when we use datediff function with string and timestamp type, it produces different results. 

See below queries:

select datediff("2016-08-18 16:48:12", "2016-07-18 12:54:54") from test2;
31
select datediff("2016-08-18 16:48:12", date) from test2;
30
select datediff("2016-08-18 16:48:12", cast(date as string)) from test2;
31

hive> desc test2;
OK
date                    timestamp 


hive> select * from test2;
OK
2016-07-18 12:54:54



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