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From "Jim Guo (JIRA)" <>
Subject [jira] Updated: (OPENJPA-1109) Entry get lost when attachCollection
Date Thu, 28 May 2009 21:21:45 GMT


Jim Guo updated OPENJPA-1109:


A simple test case,
Add two OrderSku in the OrderShipment.skus set, after merge, only one entry returned in the
But all db was populated correctly and if we do a load, the set will be build up correctly.

> Entry get lost when attachCollection
> ------------------------------------
>                 Key: OPENJPA-1109
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.2.1
>         Environment: N/A
>            Reporter: Jim Guo
>         Attachments:
> This has been a problem when merge a parent object, the parent object has a set with
child as entry. The child object equals() method are rely on child.key property. 
> In some case, the parent.children set was attached before the child.key property was
attached. Then only one entry will be in the set since the children are equals() with child.key=null.
> Possible solution: Move collection to be process last while attach an object. This give
a chance for all other single property been attached, so it won't break the equals() logic.

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