NHibernate - クエリを実行できませんでした

Question

NHibernateを使ってすべてのチケットを取得したいと思います。

[Authorize] 
[HttpGet] 
[Route("getUserTickets")] 
public async Task<IHttpActionResult> GetUserTickets() 
{ 
    return Ok(Ticket.GetTicketsByUserName(User.Identity.Name.GetUserName())); 
} 

、これはGetTicketsByUserNameMethod次のとおりです。

public static List<Ticket> GetTicketsByUserName(string userName) 
     { 
      using (var session = DatabaseController.SessionFactory.OpenSession()) 
      { 
       using (var transaction = session.BeginTransaction()) 
       { 
        var tickets = session.Query<Ticket>(). 
         Where(x => x.User == userName). 
         ToList(); 

        transaction.Commit(); 

        return tickets; 
       } 
      } 
     } 

しかし、私はこのエラーを取得：

<Error> 
<Message>An error has occurred.</Message> 
<ExceptionMessage> 
could not execute query [ select ticket0_.Id as Id1_, ticket0_.User as User1_, ticket0_.Agent_id as Agent3_1_, ticket0_.TicketStatus_id as TicketSt4_1_ from [Ticket] ticket0_ where ticket0_.User=@p0 ] Name:p1 - Value:ma.sojoudi [SQL: select ticket0_.Id as Id1_, ticket0_.User as User1_, ticket0_.Agent_id as Agent3_1_, ticket0_.TicketStatus_id as TicketSt4_1_ from [Ticket] ticket0_ where ticket0_.User=@p0] 
</ExceptionMessage> 
<ExceptionType>NHibernate.Exceptions.GenericADOException</ExceptionType> 
<StackTrace> 
at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters, IResultTransformer forcedResultTransformer) at NHibernate.Loader.Loader.ListIgnoreQueryCache(ISessionImplementor session, QueryParameters queryParameters) at NHibernate.Loader.Loader.List(ISessionImplementor session, QueryParameters queryParameters, ISet`1 querySpaces, IType[] resultTypes) at NHibernate.Loader.Hql.QueryLoader.List(ISessionImplementor session, QueryParameters queryParameters) at NHibernate.Hql.Ast.ANTLR.QueryTranslatorImpl.List(ISessionImplementor session, QueryParameters queryParameters) at NHibernate.Engine.Query.HQLQueryPlan.PerformList(QueryParameters queryParameters, ISessionImplementor session, IList results) at NHibernate.Impl.SessionImpl.List(IQueryExpression queryExpression, QueryParameters queryParameters, IList results) at NHibernate.Impl.AbstractSessionImpl.List(IQueryExpression queryExpression, QueryParameters parameters) at NHibernate.Impl.AbstractQueryImpl2.List() at NHibernate.Linq.DefaultQueryProvider.ExecuteQuery(NhLinqExpression nhLinqExpression, IQuery query, NhLinqExpression nhQuery) at NHibernate.Linq.DefaultQueryProvider.Execute(Expression expression) at NHibernate.Linq.DefaultQueryProvider.Execute[TResult](Expression expression) at Remotion.Linq.QueryableBase`1.GetEnumerator() at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source) at TicketSystem.Models.Ticket.GetTicketsByUserName(String userName) in D:\Amin\Projects\TicketSystem\TicketSystem\Models\Ticket.cs:line 107 at TicketSystem.Controllers.TicketController.<GetUserTickets>d__3.MoveNext() in D:\Amin\Projects\TicketSystem\TicketSystem\Controllers\TicketController.cs:line 52 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Threading.Tasks.TaskHelpersExtensions.<CastToObject>d__3`1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Web.Http.Controllers.ApiControllerActionInvoker.<InvokeActionAsyncCore>d__0.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Web.Http.Filters.AuthorizationFilterAttribute.<ExecuteAuthorizationFilterAsyncCore>d__2.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext() 
</StackTrace> 
<InnerException> 
<Message>An error has occurred.</Message> 
<ExceptionMessage>Incorrect syntax near the keyword 'User'.</ExceptionMessage> 
<ExceptionType>System.Data.SqlClient.SqlException</ExceptionType> 
<StackTrace> 
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, SqlDataReader ds, Boolean describeParameterEncryptionRequest) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) at System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) at System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader() at NHibernate.AdoNet.AbstractBatcher.ExecuteReader(IDbCommand cmd) at NHibernate.Loader.Loader.GetResultSet(IDbCommand st, Boolean autoDiscoverTypes, Boolean callable, RowSelection selection, ISessionImplementor session) at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies, IResultTransformer forcedResultTransformer) at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies, IResultTransformer forcedResultTransformer) at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters, IResultTransformer forcedResultTransformer) 
</StackTrace> 
</InnerException> 
</Error> 

私はそれが出力ですので、データベース内のデータが存在しないことを言わなければならない空のXMLでなければなりませんこのエラーはこれに関連していますか？

Answer 1

あなたには、いくつかのキーワードuser

だけ使用し、あなたのDB関連の安全な名前、例えばと競合する可能性があり、列名Userを使用しているようですSQL Serverの

// instead of 
column="User" 
// use this 
column="[User]" 

とにも多分NHibernateの中で、これは

column="`User`" 

を使用することができ、方言に基づいて、適切なエスケープ記号が使用されます。テーブル名などにも同じです。