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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (HIVE-15511) Provide an option in months_between UDF to disable rounding-off
Date Wed, 26 Jul 2017 00:04:10 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley closed HIVE-15511.
--------------------------------

> Provide an option in months_between UDF to disable rounding-off
> ---------------------------------------------------------------
>
>                 Key: HIVE-15511
>                 URL: https://issues.apache.org/jira/browse/HIVE-15511
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15511.1.patch, HIVE-15511.2.patch, HIVE-15511.3.patch, HIVE-15511.4.patch
>
>
> Rounding off was added in {{GenericUDFMonthsBetween}} so that it can be compatible with
systems like oracle. However, there are places where rounding off is not needed. 
> E.g "CAST(MONTHS_BETWEEN(l_shipdate, l_commitdate) / 12 AS INT)" may not need rounding
off via BigDecimal which is compute intensive.



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