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From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6421) abs() should preserve precision/scale of decimal input
Date Wed, 26 Nov 2014 18:09:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14226551#comment-14226551
] 

Jason Dere commented on HIVE-6421:
----------------------------------

Failure has been occurring in other precommit runs and does not appear to be related. [~ashutoshc],
does this one look ok?

> abs() should preserve precision/scale of decimal input
> ------------------------------------------------------
>
>                 Key: HIVE-6421
>                 URL: https://issues.apache.org/jira/browse/HIVE-6421
>             Project: Hive
>          Issue Type: Bug
>          Components: UDF
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-6421.1.txt, HIVE-6421.2.patch, HIVE-6421.3.patch
>
>
> {noformat}
> hive> describe dec1;
> OK
> c1                  	decimal(10,2)       	None 
> hive> explain select c1, abs(c1) from dec1;
>  ...
>             Select Operator
>               expressions: c1 (type: decimal(10,2)), abs(c1) (type: decimal(38,18))
> {noformat}
> Given that abs() is a GenericUDF it should be possible for the return type precision/scale
to match the input precision/scale.



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