[nhibernate-issues] [NHJIRA] Commented: (NH-2328) Linq query on <Any/> fails

[Michael K. (JIRA) <nh...@gm...>]

    [ http://216.121.112.228/browse/NH-2328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20000#action_20000 ] 

Michael Kobaly commented on NH-2328:
------------------------------------

Sorry about the confusion. Yes originally I was looking to use linq but that did not work. I got much closer using QueryOver but that still fails. I have tried out the latest Alpha 3 version and now I get a different error using QueryOver. This time it seems to get further but it still fails.

Here is the test from that attached zip file I originally added.

[Test]
        public void Linq_Find_All_Circles_Throws_Error()
        {
            using (ISession session = this.OpenSession())
            {
                IList<ToyBox> results = session.QueryOver<ToyBox>()
                   .Where(x => x.Shape is Circle).List();
                Assert.IsNotNull(results);
            }
        } 

Here is the error (Unable to cast object of type 'System.RuntimeType' to type 'System.String')
-- Full error below ---
NHibernate.Exceptions.GenericADOException : could not execute query
[ SELECT this_.toybox_id as toybox1_3_0_, this_.name as name3_0_, this_.s_object_id as s3_3_0_, this_.object_id as object4_3_0_ FROM toyBox this_ WHERE this_.s_object_id = ? ]
Positional parameters:  #0>NHibernate.Test.NHSpecificTest.NH1234.Circle
[SQL: SELECT this_.toybox_id as toybox1_3_0_, this_.name as name3_0_, this_.s_object_id as s3_3_0_, this_.object_id as object4_3_0_ FROM toyBox this_ WHERE this_.s_object_id = ?]
  ----> System.InvalidCastException : Unable to cast object of type 'System.RuntimeType' to type 'System.String'.
	at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters)
	at NHibernate.Loader.Loader.ListIgnoreQueryCache(ISessionImplementor session, QueryParameters queryParameters)
	at NHibernate.Loader.Loader.List(ISessionImplementor session, QueryParameters queryParameters, ISet`1 querySpaces, IType[] resultTypes)
	at NHibernate.Loader.Criteria.CriteriaLoader.List(ISessionImplementor session)
	at NHibernate.Impl.SessionImpl.List(CriteriaImpl criteria, IList results)
	at NHibernate.Impl.CriteriaImpl.List(IList results)
	at NHibernate.Impl.CriteriaImpl.List[T]()
	at NHibernate.Criterion.QueryOver`1.List()
	at NHibernate.Criterion.QueryOver`1.NHibernate.IQueryOver<TRoot>.List()
	NHSpecificTest\NH1234\Tests.cs(81,0): at NHibernate.Test.NHSpecificTest.NH1234.SampleTest.Linq_Find_All_Circles_Throws_Error()
	--InvalidCastException
	at NHibernate.Type.MetaType.NullSafeSet(IDbCommand st, Object value, Int32 index, ISessionImplementor session)
	at NHibernate.Engine.QueryParameters.BindParameters(IDbCommand command, Int32 start, ISessionImplementor session)
	at NHibernate.Loader.Loader.BindParameterValues(IDbCommand statement, QueryParameters queryParameters, Int32 startIndex, ISessionImplementor session)
	at NHibernate.Loader.Loader.PrepareQueryCommand(QueryParameters queryParameters, Boolean scroll, ISessionImplementor session)
	at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies)
	at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies)
	at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters)

> Linq query on <Any/> fails
> --------------------------
>
>                 Key: NH-2328
>                 URL: http://216.121.112.228/browse/NH-2328
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: QueryOver
>    Affects Versions: 3.0.0.Alpha2
>            Reporter: Michael Kobaly
>            Assignee: Richard Brown
>            Priority: Major
>         Attachments: NHibernate.Test.zip
>
>
> Please read NHUsers group posting here for description of problem.
> http://groups.google.com/group/nhusers/browse_thread/thread/fa831bd703842e1e
> I excluded the lib folder from the zip file since upload says not to include dlls. I am using NH 3 Alpha 2 with all supporting dlls. First time posting bug..sorry in advance if I am doing it wrong.

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