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From "Donald Woods (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-944) FetchAttribute.recursionDepth = -1 does not load properly self referenced entities in a complex relation
Date Thu, 07 May 2009 13:18:30 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Donald Woods updated OPENJPA-944:
---------------------------------

    Patch Info: [Patch Available]

> FetchAttribute.recursionDepth = -1 does not load properly self referenced entities in
a complex relation
> --------------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-944
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-944
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc, kernel
>    Affects Versions: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.1.0, 1.2.0
>         Environment: JDK: Sun 1.5
> Database: Derby 10.2.2.0
> OS: Windows XP 
>            Reporter: Yanko Zhivkov
>            Priority: Critical
>         Attachments: fix_recursive_entity_loading-OPENJPA-944-openjpa1.0.1.patch, fix_recursive_entity_loading-OPENJPA-944-openjpa1.2.1.patch,
openjpa_complex_relation_recursion_test.zip
>
>
> A problem with loading recursively referenced entities was found when there is a complex
relation of the following kind:
> Leaf <-> BranchConnection <-> Branch(1) <- Branch(2) <- ...
> where Branch has a self reference to itself.
> Using a FetchPlan with a fetch group that has a fetch attribute with recursionDepth=-1
does not produce the expected result and only the first of the Branch nodes is loaded. 
> Loading a Leaf with 5 branches in a row and traversing through them fails right on level
3 (starting from 5 downwards) which leads to the thought that OpenJPA loads only the first
element (along with its direct parent).

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