NHibernate sql查询实际上并没有对数据库生效

时间：2011-06-30 07:55:30

标签： c# asp.net nhibernate fluent-nhibernate

我在这里遇到一些奇怪的问题，我在调试时遇到了麻烦。这个应用程序以前工作正常，但自从改变nhibernate配置/ sessoin管理我以某种方式打破它，并不能在哪里锻炼。

网页和他们的帖子都可以正常工作，更改会保存到数据库中，而不是。事务/会话由我做过的HTTPModule处理：

 public class NHibernateSessionModule: IHttpModule
{
    private INHibernateRequest _nhibRequest;
    public void Init(HttpApplication context)
    {
        context.BeginRequest += new EventHandler(BeginTransaction);
        context.EndRequest += new EventHandler(CommitAndCloseSession);
        Console.WriteLine("Init Nhibernate module");
    }

    /// <summary>
    /// Opens a session within a transaction at the beginning of the HTTP request.
    /// This doesn't actually open a connection to the database until needed.
    /// </summary>
    private void BeginTransaction(object sender, EventArgs e)
    {
        _nhibRequest = new NHibernateRequest(NHibernateSessionManager.Instance);
        _nhibRequest.Start();
    }

    /// <summary>
    /// Commits and closes
    /// </summary>
    private void CommitAndCloseSession(object sender, EventArgs e)
    {
        _nhibRequest.Commit();
    }

    public void Dispose() { }
}

这个INhibernateRequest是我的自定义DLl，它所做的只是：

 public class NHibernateRequest : INHibernateRequest
{
    private ITransaction _currentTransaction;
    private SessionFunctions _sessionFunctions;

    public NHibernateRequest(SessionFunctions sessionFunctions)
    {
        _sessionFunctions = sessionFunctions;
    }

    /// <summary>
    /// Starts a session and transaction
    /// </summary>
    public void Start()
    {
        _sessionFunctions.OpenSession();
        _currentTransaction = _sessionFunctions.CurrentSession.Transaction;
        _currentTransaction.Begin();
    }

    /// <summary>
    /// Closes a session and transaction
    /// </summary>
    public void Commit()
    {

        try
        {
            if (_currentTransaction.IsActive)
            {
                _currentTransaction.Commit();
            }
        }
        finally
        {
            _sessionFunctions.CloseSession();
        }



    }
}

基本会话管理。这一切似乎适用于.aspx文件（Web表单）。但是我有一个被调用的Web服务，它创建了一个新的实体。我的域模型专注于“表单”和“问题”，这个Web服务创建了一个带有一些问题的新表单。

我想也许这个网络服务没有触发处理程序，所以我手动输入会话内容（是的，这有点过时，但它只是临时测试）

        [WebMethod]
    public bool CreateFormForProject(string jobNumber)
    {
        INHibernateRequest _nhibRequest = new NHibernateRequest(NHibernateSessionManager.Instance);
        _nhibRequest.Start();
        try
        {
            ServiceLayer.FormsService.CreatePmqccFormForJob(jobNumber);
            _nhibRequest.Commit();
            return true;
        } catch
        {
            _nhibRequest.Commit();
            return false;
        }
    }

Web服务始终返回true，因此不会抛出异常。

然后我尝试在网页上创建一个按钮，然后进行此调用，然后显示结果。这似乎创建了它，因为它显示了结果，但是当我刷新页面时，实体不再存在，并且它从未出现在数据库中，所以我想它必须为该请求缓存它。

所以我打开了SQL输出，并配置了log4net将其吐出到调试输出窗口。这就是：

 NHibernate.SQL: 17:45:59,466 DEBUG SQL:0 - SELECT project0_.ProjectNo as ProjectNo0_0_, project0_.Name1 as Name2_0_0_, project0_.Name2 as Name3_0_0_, project0_.Project_State as Project4_0_0_, project0_.ProjectLeader as ProjectL5_0_0_, project0_1_.AdminArchived as AdminArc2_2_0_ FROM infobase.dbo.Projects project0_ left outer join infobase.dbo.Project_Archiving project0_1_ on project0_.ProjectNo=project0_1_.ProjectNo WHERE project0_.ProjectNo=@p0;@p0 = '11904' [Type: String (4000)]
NHibernate.SQL: 17:45:59,692 DEBUG SQL:0 - UPDATE infobase.dbo.Projects SET Name1 = @p0, Name2 = @p1, Project_State = @p2, ProjectLeader = @p3 WHERE ProjectNo = @p4;@p0 = 'REVIT TO ACAD PREPARE AND EXPORT TOOL' [Type: String (4000)], @p1 = 'BIM SOLUTIONS API ADDIN' [Type: String (4000)], @p2 = Active [Type: Int32 (0)], @p3 = 187 [Type: Int32 (0)], @p4 = '11904' [Type: String (4000)]
NHibernate.SQL: 17:46:02,652 DEBUG SQL:0 - INSERT INTO Forms (LastSaved, Note, Complete, MeetingId, SuggestedDeferralMonth, NextReviewDate, LastReviewDate, SuggestedProjectState, SuggestedProjectLeader, ProjectId) VALUES (@p0, @p1, @p2, @p3, @p4, @p5, @p6, @p7, @p8, @p9); select SCOPE_IDENTITY();@p0 = 30/06/2011 5:46:02 PM [Type: DateTime (0)], @p1 = NULL [Type: String (4000)], @p2 = False [Type: Boolean (0)], @p3 = 0 [Type: Int32 (0)], @p4 = NULL [Type: Int32 (0)], @p5 = 30/06/2011 5:45:59 PM [Type: DateTime (0)], @p6 = NULL [Type: DateTime (0)], @p7 = NULL [Type: Int32 (0)], @p8 = NULL [Type: Int32 (0)], @p9 = '11904' [Type: String (4000)]
NHibernate.SQL: 17:46:02,735 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.PiAlertQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:02,826 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.ClientHappyQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:02,928 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.ReworkQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,028 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.ScopeOfWorksQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,130 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.TeamMeetingQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,227 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.DeadlinesQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,347 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, QuestionType) VALUES (@p0, @p1, 'PmqccDomain.DomainObjects.JobVelocityQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,433 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InvoiceAmount, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, @p3, 'PmqccDomain.DomainObjects.InvoiceAmountQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = NULL [Type: Double (0)], @p3 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,534 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.InvoiceForecastQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = Unanswered [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,630 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.ContactedClientQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = NotRequired [Type: Int32 (0)]
NHibernate.SQL: 17:46:03,734 DEBUG SQL:0 - INSERT INTO Questions (Explanation, PmqccFormId, InputtedAnswer, QuestionType) VALUES (@p0, @p1, @p2, 'PmqccDomain.DomainObjects.AsConsQuestion'); select SCOPE_IDENTITY();@p0 = NULL [Type: String (4000)], @p1 = 8141 [Type: Int32 (0)], @p2 = NotRequired [Type: Int32 (0)]

这正是预期的，但数据库不会改变！ SQL必须回滚或其他东西。我尝试在_nhibRequest.Commit（）调用之后设置断点，并且它表示事务已提交。

所以现在我很难过，我该怎么调试呢？或者任何人都可以看到一些基本的我在这里做错了吗？

编辑： 这是我正在发出Web服务请求时的完整log4net调试输出的粘贴。 http://pastebin.com/mEYWiCsF

1 个答案:

答案 0 :(得分：0)

我终于解决了。这实际上与这个SO问题有关： NHIbernate affecting non-nhibernate queries?

我解决这个问题的方法是提交并重新打开事务，这会导致问题。我改为将其改为Flush，它似乎工作正常，但我很乐意为这个问题找到合适的解决方案。

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