[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-603) Using @CollectionOfEelements with FetchMode.JOIN and FetchType.EAGER to map a Map breaks Example criteria

[Stefan Djurasic (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=31550#action_31550 ] 

Stefan Djurasic commented on ANN-603:
-------------------------------------

i have the same issue and your hint doesn't work by me either.

Have a Item which can have several medias. Medias FetchType is Eager. If an Item has more Medias, the Item will be more then once in the List when calling findByCriteria()

I don't think this should be possible and therefore i don't think either this should be expected ;-)

Anyway i also changed to FetchMOde.SELECT and now it works fine. Hope it will be fixed in next version.... currently i'm using hibernate-3.2.5ga with annotations 3.3.1ga

Cheers
Stefan

> Using @CollectionOfEelements with FetchMode.JOIN and FetchType.EAGER to map a Map breaks Example criteria
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: ANN-603
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-603
>             Project: Hibernate Annotations
>          Issue Type: Bug
>          Components: binder
>    Affects Versions: 3.3.0.ga
>         Environment: hibernate-core-3.2.2.jar
>            Reporter: Philippe Laflamme
>         Attachments: ann-example_eager_join.patch
>
>
> I'm using CollectionOfElements to map a Map<String, @Embeddable>. I want it to eagerly join the associated table to fill the map.
> When I load the Entity using its PK, I obtain a single object with multiple entries in the Map, which is the expected behaviour. If I load the same Entity using an Example criteria (matching one of its property), I get one Entity per entry in the Map.
> If you use FetchMode.SELECT, the resulting Example query returns a single entity with multiple values in the Map (expected behaviour).
> Attached is a patch against annotations_3_3_0_GA that creates a test case in CollectionElementTest that reproduces the problem.

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