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From "Kevin Sutter (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-370) LoadFetchGroup annotation was not recognized during the fetch1
Date Wed, 31 Oct 2007 19:38:50 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12539165
] 

Kevin Sutter commented on OPENJPA-370:
--------------------------------------

Thanks, Patrick, for the additional detail.  Now I understand your concern.  And, I take that
your profiling has shown that the performance degradation is due to the changes introduced
by this Issue?  Can you share any more details?  Thanks.

So, we're in kind of a quandary...  Do we cut the 1.0.1 release with this change which makes
LoadFetchGroups functional, or do we remove this change to get the performance back up?

I'm surprised that we haven't detected a performance problem since we introduced this change.
 I will check on that as well.

Thanks,
Kevin

> LoadFetchGroup annotation was not recognized during the fetch1
> --------------------------------------------------------------
>
>                 Key: OPENJPA-370
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-370
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.0.1, 1.1.0
>            Reporter: Teresa Kan
>            Assignee: Teresa Kan
>             Fix For: 1.0.1, 1.1.0
>
>         Attachments: OPENJPA_370_2.patch, TestFetchGroup.zip
>
>
> Employee class has a LoadFetchGroup annotation defined on the Rating field, when getRating
was called, the address should be returned also. However, openjpa did not handle the LoadFetchGroup
correctly, therefore, address was not eargly fetched.
> public class FGEmployee{
>     @Id
>     private int id;
>  
>     @OneToOne(fetch=FetchType.LAZY) 
>     private FGAddress address;
>  
>     @Basic(fetch=FetchType.LAZY)
>     @LoadFetchGroup("AddressFetchGroup")
>     private String rating;
>  
>     @ManyToOne(fetch=FetchType.LAZY)
>     private FGManager manager;
> ..
> }

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