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Posted to commits@cayenne.apache.org by "Andrus Adamchik (JIRA)" <ji...@apache.org> on 2014/01/26 17:53:38 UTC
[jira] [Closed] (CAY-1796) ROP: All entity's to-many relationships
getting faulted from database when using it as a parameter in qualifier
expression.
[ https://issues.apache.org/jira/browse/CAY-1796?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrus Adamchik closed CAY-1796.
--------------------------------
Resolution: Fixed
Fix Version/s: (was: 3.1B3)
3.2.M2
Applied Oleg's patches. Looks great now. Unfortunately backporting this to 3.1 is not easy. A prerequisite to that is CAY-1860 that is only present in 3.2. So keeping this 3.2 feature only.
> 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.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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