使在NHibernate的

Question

SQLite的foreignkeys我明白了，只有這樣才能使FK約束SQLite是打開這個編譯：

PRAGMA foreign_keys = ON; 

但不幸的是，如果我理解正確的話，我將不得不執行該在每個會話開始時進行查詢。我對麼？ 我怎樣才能「自動」與NHibernate？有沒有辦法掛鉤NH，並在開幕後立即執行？ 我使用NH 3.0。

Answer 1

好的我找到了適合我的答案。學分轉到詹姆斯·科瓦奇（similar question）

我已經創建了自己的驅動程序基於SQLite20Driver和重載創建連接方法（代碼爲James' GitHub）

public override IDbConnection CreateConnection() 
    { 
     DbConnection connection = (DbConnection)base.CreateConnection(); 
     connection.StateChange += Connection_StateChange; 
     return connection; 
    } 

    private static void Connection_StateChange(object sender, StateChangeEventArgs e) 
    { 
     if ((e.OriginalState == ConnectionState.Broken || e.OriginalState == ConnectionState.Closed || e.OriginalState == ConnectionState.Connecting) && 
      e.CurrentState == ConnectionState.Open) 
     { 
      DbConnection connection = (DbConnection)sender; 
      using (DbCommand command = connection.CreateCommand()) 
      { 
       // Activated foreign keys if supported by SQLite. Unknown pragmas are ignored. 
       command.CommandText = "PRAGMA foreign_keys = ON"; 
       command.ExecuteNonQuery(); 
      } 
     } 
    } 

就像一個魅力:)。