I see.... Linq inserts cast here.
2013/5/31 Diego Mijelshon <[email protected]> > Yes. See test fixture at > https://github.com/diegose/NHibernate.Diegose/blob/master/NodaTime/Test/LocalDateFixture.cs > > > On Thu, May 30, 2013 at 9:02 AM, Alexander I. Zaytsev <[email protected]>wrote: > >> Ok, >> does this query work in HQL? >> >> >> 2013/5/30 Diego Mijelshon <[email protected]> >> >>> Alex - that's what the NHibernate.NodaTime project is about! :-) >>> I'll wait 'til you re-read my original email... >>> ...ok, we're back :-) >>> So, the problem is, my type works fine for most operations (schema >>> creation, CRUD, HQL, and LINQ queries that include the properties as >>> scalar). But aggregations fail because the tree includes an "HqlIdent", >>> which I have no idea what represents, but is hardcoded for primitive types. >>> >>> >>> On Wed, May 29, 2013 at 8:34 PM, Alexander I. Zaytsev >>> <[email protected]>wrote: >>> >>>> I mean create a IUserType to handle NodaTime and register it in mapping. >>>> >>>> Regards, >>>> Alex >>>> >>>> >>>> 2013/5/29 Diego Mijelshon <[email protected]> >>>> >>>>> Register where, Alex? >>>>> >>>>> >>>>> On Tue, May 28, 2013 at 7:31 PM, Alexander I. Zaytsev < >>>>> [email protected]> wrote: >>>>> >>>>>> Hi Diego, >>>>>> >>>>>> Probably you need to register usertype for nodatime. >>>>>> >>>>>> Regards, >>>>>> Alex >>>>>> >>>>>> >>>>>> 2013/5/29 Diego Mijelshon <[email protected]> >>>>>> >>>>>>> session.Query<Foo>().Max(x => x.Date); >>>>>>> >>>>>>> This is the full code of the method I did not commit in >>>>>>> LocalDateFixture: >>>>>>> >>>>>>> >>>>>>> [Test] >>>>>>> public void ValuesCanBeRetrievedFromLinqQueries() >>>>>>> { >>>>>>> object id; >>>>>>> using (var session = sessionFactory.OpenSession()) >>>>>>> using (var tx = session.BeginTransaction()) >>>>>>> { >>>>>>> id = session.Save(new Foo { Date = someDate }); >>>>>>> tx.Commit(); >>>>>>> } >>>>>>> using (var session = sessionFactory.OpenSession()) >>>>>>> using (var tx = session.BeginTransaction()) >>>>>>> { >>>>>>> var maxDate = session.Query<Foo>().Max(x => x.Date); >>>>>>> Assert.AreEqual(someDate, maxDate); >>>>>>> } >>>>>>> } >>>>>>> >>>>>>> >>>>>>> Thanks >>>>>>> Diego >>>>>>> >>>>>>> >>>>>>> On Mon, May 27, 2013 at 11:13 PM, Alexander I. Zaytsev < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hi Diego, >>>>>>>> >>>>>>>> Can you please provide a query? >>>>>>>> >>>>>>>> Regards, >>>>>>>> Alexander >>>>>>>> >>>>>>>> >>>>>>>> 2013/5/28 Diego Mijelshon <[email protected]> >>>>>>>> >>>>>>>>> Hi guys. >>>>>>>>> >>>>>>>>> I'm trying to implement some NodaTime mapping support for NH. >>>>>>>>> This is in a proof-of-concept state now, but there's already a >>>>>>>>> Nuget package, NHibernate.NodaTime. You can check it out. >>>>>>>>> Here's one of the first roadblocks I've found: when trying to >>>>>>>>> query using LINQ aggregate methods, I run into the following >>>>>>>>> exception: >>>>>>>>> >>>>>>>>> System.NotSupportedException : Don't currently support idents of >>>>>>>>> type LocalDate >>>>>>>>> at NHibernate.Hql.Ast.HqlIdent..ctor(IASTFactory factory, Type >>>>>>>>> type) >>>>>>>>> at NHibernate.Hql.Ast.HqlCast..ctor(IASTFactory factory, >>>>>>>>> HqlExpression expression, Type type) >>>>>>>>> at NHibernate.Hql.Ast.HqlTreeBuilder.Cast(HqlExpression >>>>>>>>> expression, Type type) >>>>>>>>> at >>>>>>>>> NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.VisitNhMax(NhMaxExpression >>>>>>>>> expression) >>>>>>>>> at >>>>>>>>> NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.VisitExpression(Expression >>>>>>>>> expression) >>>>>>>>> at >>>>>>>>> NHibernate.Linq.Visitors.HqlGeneratorExpressionTreeVisitor.Visit(Expression >>>>>>>>> expression) >>>>>>>>> at >>>>>>>>> NHibernate.Linq.Visitors.SelectClauseVisitor.VisitExpression(Expression >>>>>>>>> expression) >>>>>>>>> at >>>>>>>>> NHibernate.Linq.Visitors.SelectClauseVisitor.Visit(Expression >>>>>>>>> expression) >>>>>>>>> at >>>>>>>>> NHibernate.Linq.Visitors.QueryModelVisitor.VisitSelectClause(SelectClause >>>>>>>>> selectClause, QueryModel queryModel) >>>>>>>>> at Remotion.Linq.Clauses.SelectClause.Accept(IQueryModelVisitor >>>>>>>>> visitor, QueryModel queryModel) >>>>>>>>> at >>>>>>>>> Remotion.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.DefaultQueryProvider.PrepareQuery(Expression >>>>>>>>> expression, ref IQuery query, ref NhLinqExpression nhQuery) >>>>>>>>> at NHibernate.Linq.DefaultQueryProvider.Execute(Expression >>>>>>>>> expression) >>>>>>>>> at NHibernate.Linq.DefaultQueryProvider.Execute(Expression >>>>>>>>> expression) >>>>>>>>> at System.Linq.Queryable.Max(IQueryable`1 source, Expression`1 >>>>>>>>> selector) >>>>>>>>> at [my code] >>>>>>>>> >>>>>>>>> It looks like the Hql Ast generation fails for anything that is >>>>>>>>> not a native type. >>>>>>>>> Is there a workaround from the Linq side (generators) or do I have >>>>>>>>> to patch the core? >>>>>>>>> >>>>>>>>> Thanks! >>>>>>>>> Diego >>>>>>>>> >>>>>>>>> -- >>>>>>>>> >>>>>>>>> --- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "nhibernate-development" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to >>>>>>>>> [email protected]. >>>>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "nhibernate-development" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to >>>>>>>> [email protected]. >>>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "nhibernate-development" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to [email protected] >>>>>>> . >>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> -- >>>>>> >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "nhibernate-development" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>>> >>>>>> >>>>> >>>>> -- >>>>> >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "nhibernate-development" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>>> >>>>> >>>> >>>> -- >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "nhibernate-development" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> >>>> >>> >>> -- >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "nhibernate-development" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "nhibernate-development" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > > --- > You received this message because you are subscribed to the Google Groups > "nhibernate-development" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- --- You received this message because you are subscribed to the Google Groups "nhibernate-development" group. 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