[nhibernate-issues] [NHJIRA] Commented: (NH-2712) queryover doesn't support enums in VB.NET

[Matthew B. (JIRA) <nh...@gm...>]

    [ http://216.121.112.228/browse/NH-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21124#action_21124 ] 

Matthew Beer commented on NH-2712:
----------------------------------

queryover enum support for VB.NET still seems to be missing. Issue [NH-2407] marks the issue closed for the LINQ provider.

> queryover doesn't support enums in VB.NET
> -----------------------------------------
>
>                 Key: NH-2712
>                 URL: http://216.121.112.228/browse/NH-2712
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Linq Provider
>    Affects Versions: 3.0.0.Beta2
>            Reporter: Matthew Beer
>            Assignee: Patrick Earl
>            Priority: Major
>             Fix For: 3.1.0
>
>
> Comparing enums in a Linq query with VB.NET throws a NotSupportedException:
> Return (From invoice In session.Query(Of Invoice)()
>         Where invoice.Payment.ElectronicInvoiceStatus = ElectronicInvoiceStatus.Unpaid
>         Select invoice).Any()
> Message: ConvertChecked([-1].Payment.ElectronicInvoiceStatus)
> Stack Trace:
>    at NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.VisitUnaryExpression(UnaryExpression expression)
>    at NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.VisitExpression(Expression expression)
>    at NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.VisitBinaryExpression(BinaryExpression expression)
>    at NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.VisitExpression(Expression expression)
>    at NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.Visit(Expression expression, VisitorParameters parameters)
>    at NHibernate.Linq.Visitors.QueryModelVisitor.VisitWhereClause(WhereClause whereClause, QueryModel queryModel, Int32 index)
>    at Remotion.Data.Linq.Clauses.WhereClause.Accept(IQueryModelVisitor visitor, QueryModel queryModel, Int32 index)
>    at Remotion.Data.Linq.QueryModelVisitorBase.VisitBodyClauses(ObservableCollection`1 bodyClauses, QueryModel queryModel)
>    at Remotion.Data.Linq.QueryModelVisitorBase.VisitQueryModel(QueryModel queryModel)
>    at NHibernate.Linq.Visitors.QueryModelVisitor.Visit()
>    at NHibernate.Linq.Visitors.QueryModelVisitor.GenerateHqlQuery(QueryModel queryModel, VisitorParameters parameters, Boolean root)
>    at NHibernate.Linq.NhLinqExpression.Translate(ISessionFactoryImplementor sessionFactory)
>    at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(String queryIdentifier, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 filters, ISessionFactoryImplementor factory)
>    at NHibernate.Engine.Query.HQLExpressionQueryPlan.CreateTranslators(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
>    at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
>    at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
>    at NHibernate.Engine.Query.QueryPlanCache.GetHQLQueryPlan(IQueryExpression queryExpression, Boolean shallow, IDictionary`2 enabledFilters)
>    at NHibernate.Impl.AbstractSessionImpl.GetHQLQueryPlan(IQueryExpression queryExpression, Boolean shallow)
>    at NHibernate.Impl.AbstractSessionImpl.CreateQuery(IQueryExpression queryExpression)
>    at NHibernate.Linq.NhQueryProvider.PrepareQuery(Expression expression, IQuery& query, NhLinqExpression& nhQuery)
>    at NHibernate.Linq.NhQueryProvider.Execute(Expression expression)
>    at NHibernate.Linq.NhQueryProvider.Execute[TResult](Expression expression)
>    at System.Linq.Queryable.Any[TSource](IQueryable`1 source)

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