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From "Michael Bouschen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (JDO-643) avg return type
Date Sat, 01 Sep 2012 20:45:07 GMT

     [ https://issues.apache.org/jira/browse/JDO-643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Bouschen resolved JDO-643.
----------------------------------

    Resolution: Fixed

Changed the spec. Committed revision 1379842.
                
> avg return type
> ---------------
>
>                 Key: JDO-643
>                 URL: https://issues.apache.org/jira/browse/JDO-643
>             Project: JDO
>          Issue Type: Bug
>          Components: specification, tck
>    Affects Versions: JDO 2 maintenance release 2 (2.2)
>            Reporter: Guido Anzuoni
>            Assignee: Michael Bouschen
>             Fix For: JDO 3 maintenance release 1 (3.1)
>
>         Attachments: JDO-643.patch
>
>
> Aggregate type specification at page 175 claims that avg(expression) return type is the
same of the enclosed expression.
> This is wrong from a strictly mathematical point of view.
> In fact, if you select an avg on an int field member the result is truncated.
> The result type should always be double.

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