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From "Andrus Adamchik (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (CAY-1695) Unexpected null value in bidirectional one-to-one prefetch
Date Wed, 24 Jul 2013 14:01:50 GMT

     [ https://issues.apache.org/jira/browse/CAY-1695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrus Adamchik closed CAY-1695.
--------------------------------

    Resolution: Fixed

fixed by tracking all operation objects in a special tx-scoped HashMap.
                
> Unexpected null value in bidirectional one-to-one prefetch
> ----------------------------------------------------------
>
>                 Key: CAY-1695
>                 URL: https://issues.apache.org/jira/browse/CAY-1695
>             Project: Cayenne
>          Issue Type: Bug
>          Components: Core Library
>    Affects Versions: 3.1M3
>            Reporter: Andrei Veprev
>            Assignee: Andrus Adamchik
>             Fix For: 3.2M2
>
>         Attachments: 0001-CAY-1695-Unexpected-null-value-in-bidirectional-one-.patch,
CAY-1695-test.patch
>
>
> For example you have User and UserInfo entities. User has one-to-one relationship with
UserInfo. If you try to do select for User with prefetching on userInfo and userInfo.user,
you will get null value for userInfo property:
> SelectQuery query = new SelectQuery(User.class);
> query.addPrefetch("userInfo");
> query.addPrefetch("userInfo.user");
> It doest meter which kind of prefetching do you use. 

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