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From: Richard B. (JIRA) <nh...@gm...> - 2011-04-27 15:23:59
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[ http://216.121.112.228/browse/NH-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Brown reassigned NH-2662:
---------------------------------
Assignee: Richard Brown
> Casting a joined alias in QueryOver loses alias context and looks for property on QueryOver root
> ------------------------------------------------------------------------------------------------
>
> Key: NH-2662
> URL: http://216.121.112.228/browse/NH-2662
> Project: NHibernate
> Issue Type: Bug
> Components: QueryOver
> Affects Versions: 3.2.0Alpha2
> Reporter: Graeme Foster
> Assignee: Richard Brown
> Priority: Major
> Attachments: NH2662.zip
>
>
> If you QueryOver an entity, alias-join to a property on that entity which has an inheritance tree, and then attempt to project a property on a specific subclass of the entity, the property path loses the context of the alias and attempts to find it on the queryover root.
> Pseudo code:
> QueryOver<Customer>()
> .JoinAlias(c => c.Order, () => orderAlias)
> .SelectList(list => list.Select( () => ((SpecialOrder)orderAlias).SpecialReason);
> blows up.
> The equivalent in linq-nhibernate works OK which is why I think this is a bug.
> Query<Customer>().Select( c => new { SpecialReason = ((SpecialOrder)c.Order).SpecialReason } );
> Will attach issue zip in same format as NH Trunk issues.
> Graeme
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