NH-3808 - Linq - does not support GetValueOrDefault() for Nullable<bool>

[nhibernate-bot]

Alexander Zaytsev created an issue — 9th July 2015, 6:13:23:

System.InvalidCastException : Unable to cast object of type 'NHibernate.Hql.Ast.HqlCoalesce' to type 'NHibernate.Hql.Ast.HqlBooleanExpression'.
   at NHibernate.Hql.Ast.HqlTreeNodeExtensions.AsBooleanExpression(HqlTreeNode node) in HqlTreeNode.cs: line 123
   at NHibernate.Linq.Visitors.QueryModelVisitor.VisitWhereClause(WhereClause whereClause, QueryModel queryModel, Int32 index) in QueryModelVisitor.cs: line 261
   at Remotion.Linq.QueryModelVisitorBase.VisitBodyClauses(ObservableCollection`1 bodyClauses, QueryModel queryModel)
   at Remotion.Linq.QueryModelVisitorBase.VisitQueryModel(QueryModel queryModel)
   at NHibernate.Linq.Visitors.QueryModelVisitor.Visit() in QueryModelVisitor.cs: line 140
   at NHibernate.Linq.Visitors.QueryModelVisitor.GenerateHqlQuery(QueryModel queryModel, VisitorParameters parameters, Boolean root) in QueryModelVisitor.cs: line 86
   at NHibernate.Linq.NhLinqExpression.Translate(ISessionFactoryImplementor sessionFactory, Boolean filter) in NhLinqExpression.cs: line 67
   at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 filters, ISessionFactoryImplementor factory) in ASTQueryTranslatorFactory.cs: line 24
   at NHibernate.Engine.Query.QueryExpressionPlan.CreateTranslators(IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory) in QueryExpressionPlan.cs: line 32
   at NHibernate.Engine.Query.QueryExpressionPlan..ctor(IQueryExpression queryExpression, Boolean shallow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory) in QueryExpressionPlan.cs: line 14
   at NHibernate.Engine.Query.QueryPlanCache.GetHQLQueryPlan(IQueryExpression queryExpression, Boolean shallow, IDictionary`2 enabledFilters) in QueryPlanCache.cs: line 67
   at NHibernate.Impl.AbstractSessionImpl.GetHQLQueryPlan(IQueryExpression queryExpression, Boolean shallow) in AbstractSessionImpl.cs: line 412
   at NHibernate.Impl.AbstractSessionImpl.CreateQuery(IQueryExpression queryExpression) in AbstractSessionImpl.cs: line 372
   at NHibernate.Linq.DefaultQueryProvider.PrepareQuery(Expression expression, ref IQuery query, ref NhLinqExpression nhQuery) in DefaultQueryProvider.cs: line 73
   at NHibernate.Linq.DefaultQueryProvider.Execute(Expression expression) in DefaultQueryProvider.cs: line 39
   at NHibernate.Linq.DefaultQueryProvider.Execute(Expression expression) in DefaultQueryProvider.cs: line 46
   at Remotion.Linq.QueryableBase`1.GetEnumerator()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList(IEnumerable`1 source)
   at NHibernate.Test.NHSpecificTest.NH3100.NullableBooleanFixture.GetValueOrDefaultTrue() in ByCodeFixture.cs: line 121

[hazzik]

Fixed by (#516).