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From: michael s (JIRA) <nh...@gm...> - 2011-04-25 01:37:45
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Fetch cannot be last statement
------------------------------
Key: NH-2671
URL: http://216.121.112.228/browse/NH-2671
Project: NHibernate
Issue Type: Bug
Components: Linq Provider
Affects Versions: 3.1.0
Reporter: michael s
Priority: Major
I am using WCF data services in conjuntion with Linq and received the exception whenever I try to use fetch to support the OData expand protocol.
Typical query:
from u in Products.Expand("Categories")
select u
Service Impl:
public IQueryable<Product> Products
{
get
{
return _session.Query<Product>().Fetch(c => c.Categories);
}
}
This issue was reported fixed. The alternative to append ToList and AsQueryable is not appropriate as it will lead to filtering in memory as opposed to the database.
2011-04-24 21:24:07,353 [7] ERROR - System.Data.Services.DataServiceException: Not Implemented ---> System.NotSupportedException: Specified method is not s
upported.
at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.GetClassName(IASTNode querySource)
at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.Process(IASTNode tree)
at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process()
at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process(IASTNode ast, ISessionFactoryImplementor factory)
at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(IASTNode ast, String queryIdentifier, String collectionRole, Boolean shallow, ID
ictionary`2 filters, ISessionFactoryImplementor factory)
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 sh
allow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDict
ionary`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 Remotion.Data.Linq.QueryableBase`1.GetEnumerator()
at System.Data.Services.Providers.BasicExpandProvider.ExpandedQueryable`1.GetEnumerator()
at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable)
--- End of inner exception stack trace ---
at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable)
at System.Data.Services.DataService`1.SerializeResponseBody(RequestDescription description, IDataService dataService)
at System.Data.Services.DataService`1.HandleRequest()
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From: Fabio M. (JIRA) <nh...@gm...> - 2011-05-20 14:16:03
|
[ http://216.121.112.228/browse/NH-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21134#action_21134 ]
Fabio Maulo commented on NH-2671:
---------------------------------
Is "Categories" a collection ?
> Fetch cannot be last statement
> ------------------------------
>
> Key: NH-2671
> URL: http://216.121.112.228/browse/NH-2671
> Project: NHibernate
> Issue Type: Bug
> Components: Linq Provider
> Affects Versions: 3.1.0
> Reporter: michael s
> Priority: Major
>
> I am using WCF data services in conjuntion with Linq and received the exception whenever I try to use fetch to support the OData expand protocol.
> Typical query:
> from u in Products.Expand("Categories")
> select u
> Service Impl:
> public IQueryable<Product> Products
> {
> get
> {
> return _session.Query<Product>().Fetch(c => c.Categories);
> }
> }
> This issue was reported fixed. The alternative to append ToList and AsQueryable is not appropriate as it will lead to filtering in memory as opposed to the database.
> 2011-04-24 21:24:07,353 [7] ERROR - System.Data.Services.DataServiceException: Not Implemented ---> System.NotSupportedException: Specified method is not s
> upported.
> at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.GetClassName(IASTNode querySource)
> at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.Process(IASTNode tree)
> at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process()
> at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process(IASTNode ast, ISessionFactoryImplementor factory)
> at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(IASTNode ast, String queryIdentifier, String collectionRole, Boolean shallow, ID
> ictionary`2 filters, ISessionFactoryImplementor factory)
> 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 sh
> allow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
> at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDict
> ionary`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 Remotion.Data.Linq.QueryableBase`1.GetEnumerator()
> at System.Data.Services.Providers.BasicExpandProvider.ExpandedQueryable`1.GetEnumerator()
> at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable)
> --- End of inner exception stack trace ---
> at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable)
> at System.Data.Services.DataService`1.SerializeResponseBody(RequestDescription description, IDataService dataService)
> at System.Data.Services.DataService`1.HandleRequest()
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From: Fabio M. (JIRA) <nh...@gm...> - 2011-05-20 14:16:08
|
[ http://216.121.112.228/browse/NH-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fabio Maulo closed NH-2671.
---------------------------
Resolution: Not an Issue
Please use nhuser group for question.
> Fetch cannot be last statement
> ------------------------------
>
> Key: NH-2671
> URL: http://216.121.112.228/browse/NH-2671
> Project: NHibernate
> Issue Type: Bug
> Components: Linq Provider
> Affects Versions: 3.1.0
> Reporter: michael s
> Priority: Major
>
> I am using WCF data services in conjuntion with Linq and received the exception whenever I try to use fetch to support the OData expand protocol.
> Typical query:
> from u in Products.Expand("Categories")
> select u
> Service Impl:
> public IQueryable<Product> Products
> {
> get
> {
> return _session.Query<Product>().Fetch(c => c.Categories);
> }
> }
> This issue was reported fixed. The alternative to append ToList and AsQueryable is not appropriate as it will lead to filtering in memory as opposed to the database.
> 2011-04-24 21:24:07,353 [7] ERROR - System.Data.Services.DataServiceException: Not Implemented ---> System.NotSupportedException: Specified method is not s
> upported.
> at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.GetClassName(IASTNode querySource)
> at NHibernate.Hql.Ast.ANTLR.PolymorphicQuerySourceDetector.Process(IASTNode tree)
> at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process()
> at NHibernate.Hql.Ast.ANTLR.AstPolymorphicProcessor.Process(IASTNode ast, ISessionFactoryImplementor factory)
> at NHibernate.Hql.Ast.ANTLR.ASTQueryTranslatorFactory.CreateQueryTranslators(IASTNode ast, String queryIdentifier, String collectionRole, Boolean shallow, ID
> ictionary`2 filters, ISessionFactoryImplementor factory)
> 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 sh
> allow, IDictionary`2 enabledFilters, ISessionFactoryImplementor factory)
> at NHibernate.Engine.Query.HQLExpressionQueryPlan..ctor(String expressionStr, IQueryExpression queryExpression, String collectionRole, Boolean shallow, IDict
> ionary`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 Remotion.Data.Linq.QueryableBase`1.GetEnumerator()
> at System.Data.Services.Providers.BasicExpandProvider.ExpandedQueryable`1.GetEnumerator()
> at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable)
> --- End of inner exception stack trace ---
> at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable)
> at System.Data.Services.DataService`1.SerializeResponseBody(RequestDescription description, IDataService dataService)
> at System.Data.Services.DataService`1.HandleRequest()
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