[nhibernate-issues] [NHJIRA] Created: (NH-2708) Cast<>() with a where clause fails with a NotSupportedException

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

Cast<>() with a where clause fails with a NotSupportedException
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                 Key: NH-2708
                 URL: http://216.121.112.228/browse/NH-2708
             Project:  NHibernate
          Issue Type: Bug
          Components: Linq Provider
    Affects Versions: 3.1.0
            Reporter: Sergey Karpushev
            Priority: Major
         Attachments: cast.patch

Issue similar to NH-2375

Patch with a test and fix attached.

Test 'NHibernate.Test.Linq.WhereTests.CastWithWhere' failed: System.NotSupportedException : Specified method is not supported.
	Hql\Ast\ANTLR\PolymorphicQuerySourceDetector.cs(61,0): at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.GetClassName(IASTNode querySource)
	Hql\Ast\ANTLR\PolymorphicQuerySourceDetector.cs(27,0): at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.Process(IASTNode tree)
	Hql\Ast\ANTLR\AstPolymorphicProcessor.cs(30,0): at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process()
	Hql\Ast\ANTLR\AstPolymorphicProcessor.cs(24,0): at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process(IASTNode ast, ISessionFactoryImplementor factory)
	Hql\Ast\ANTLR\ASTQueryTranslatorFactory.cs(33,0): at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(IASTNode ast, String queryIdentifier, String collectionRole, Boolean shallow, IDictionary`2 filters, ISessionFactoryImplementor factory)
	Hql\Ast\ANTLR\ASTQueryTranslatorFactory.cs(27,0): at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(String queryIdentifier, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 filters, ISessionFactoryImplementor factory)
	Engine\Query\HQLExpressionQueryPlan.cs(34,0): at NHibernate.Engine.Query.HQLExpressionQueryPlan.CreateTranslators(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
	Engine\Query\HQLExpressionQueryPlan.cs(23,0): at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
	Engine\Query\HQLExpressionQueryPlan.cs(17,0): at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
	Engine\Query\QueryPlanCache.cs(88,0): at NHibernate.Engine.Query.QueryPlanCache.GetHQLQueryPlan(IQueryExpression queryExpression, Boolean shallow, IDictionary`2 enabledFilters)
	Impl\AbstractSessionImpl.cs(312,0): at NHibernate.Impl.AbstractSessionImpl.GetHQLQueryPlan(IQueryExpression queryExpression, Boolean shallow)
	Impl\AbstractSessionImpl.cs(268,0): at NHibernate.Impl.AbstractSessionImpl.CreateQuery(IQueryExpression queryExpression)
	Linq\NhQueryProvider.cs(43,0): at NHibernate.Linq.NhQueryProvider.PrepareQuery(Expression expression, IQuery& query, NhLinqExpression& nhQuery)
	Linq\NhQueryProvider.cs(26,0): at NHibernate.Linq.NhQueryProvider.Execute(Expression expression)
	Linq\NhQueryProvider.cs(103,0): at NHibernate.Linq.NhQueryProvider.Execute[TResult](Expression expression)
	at System.Linq.Queryable.FirstOrDefault[TSource](IQueryable`1 source)
	Linq\WhereTests.cs(554,0): at NHibernate.Test.Linq.WhereTests.CastWithWhere()

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