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Posted to issues@hive.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2016/12/26 05:03:58 UTC

[jira] [Updated] (HIVE-15511) Provide an option in months_between UDF to disable rounding-off

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

Rajesh Balamohan updated HIVE-15511:
------------------------------------
    Assignee: Rajesh Balamohan
      Status: Patch Available  (was: Open)

> 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
>         Attachments: HIVE-15511.1.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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