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https://issues.apache.org/jira/browse/CAY-1796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13888507#comment-13888507
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Andrus Adamchik commented on CAY-1796:
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applied that last patch. it fixed the problem. Thanks a lot!
> ROP: All entity's to-many relationships getting faulted from database when
> using it as a parameter in qualifier expression.
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: CAY-1796
> URL: https://issues.apache.org/jira/browse/CAY-1796
> Project: Cayenne
> Issue Type: Bug
> Components: ROP
> Affects Versions: 3.1B2
> Reporter: Dzmitry Kazimirchyk
> Fix For: 3.2.M2
>
> Attachments: cay1796.patch, cay1796_2.patch, cay1796_3.patch,
> cay1796_v4.patch, cay1796test.patch, cay1796test_v2.1.patch,
> cay1796test_v2.patch
>
>
> If entity is used as a parameter in qualifier expression all its unfaulted
> to-many relationships are faulted prior to actual query sent to server. For
> example:
> Expression exp = ExpressionFactory.matchExp(Painting.ARTIST_PROPERTY, artist);
> context.performQuery(new SelectQuery(Painting.class, exp));
> Before actual query will be sent to server all artist's to-many relationships
> will be faulted. What I see is that in the process of query serialization on
> client side PersistentObjectList.size() is invoked which triggers
> relationships' faulting from database.
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