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From "Jeremy Bauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2141) Lazy fetch of embedded attributes does not work properly
Date Thu, 26 Apr 2012 16:48:20 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262728#comment-13262728
] 

Jeremy Bauer commented on OPENJPA-2141:
---------------------------------------

Mark - given that none of your fields are marked lazy, I'd guess what you've described is
a separate issue.  It looks like our logic to determine whether a lob can be fetched inline
may need to be reviewed for certain queries.  Each DB vendor also has various levels of support
for inlining so what you see could be DB specific as well.  Unless the fields in the embeddable
are tagged as lazy, I'm not sure why we'd need to fetch them separately.  That sounds like
a bug.

Any chance you can provide a testcase?  I could at least verify what I've added for this JIRA
hasn't broken anything.
                
> Lazy fetch of embedded attributes does not work properly
> --------------------------------------------------------
>
>                 Key: OPENJPA-2141
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2141
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 2.3.0, 2.2.1
>            Reporter: Jeremy Bauer
>            Assignee: Jeremy Bauer
>
> OpenJPA's @Persistent annotation and configuration via OpenJPA's xml extensions provide
a mechanism to mark embedded fields lazy.  When trying to use this facility I found a couple
bugs.
> Bug 1: The xml extension does not process the fetch attribute, so the field is never
marked lazy.
> Bug 2: If marked lazy via the annotation or xml (with a fix) the lazy field does not
get loaded along with the entity (as expected), but then will not load when accessed.

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