抛弃GdCpp*.dll/pdb历史重新建库。libhv和Sqlite的dll保留

source/CSQLite/CSQLiteTransaction.cpp

@@ -0,0 +1,59 @@
+/**
+ * @file    CSQLiteTransaction.cpp
+ * @ingroup SQLiteCpp
+ * @brief   A CSQLiteTransaction is way to group multiple SQL statements into an atomic secured operation.
+ *
+ * Copyright (c) 2012-2013 Sebastien Rombauts (sebastien.rombauts@gmail.com)
+ *
+ * Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
+ * or copy at http://opensource.org/licenses/MIT)
+ */
+#include "pch.h"
+#include "CSQLite/CSQLiteTransaction.h"
+
+#include "CSQLite/CSQLiteDB.h"
+
+// Begins the SQLite CSQLiteTransaction
+CSQLiteTransaction::CSQLiteTransaction(CSQLiteDB & aDatabase, bool startnow) :
+    mDatabase(aDatabase),
+    mbCommited(false)
+{
+	if(startnow)
+	{
+        mDatabase.exec("BEGIN");
+        mbCommited = false;
+	}else{
+        mbCommited = true;
+	}
+}
+
+// Safely rollback the CSQLiteTransaction if it has not been committed.
+CSQLiteTransaction::~CSQLiteTransaction()
+{
+    if (false == mbCommited)
+    {
+        try
+        {
+            mDatabase.exec("ROLLBACK");
+        }
+        catch (CSQLiteException&)
+        {
+            // Never throw an exception in a destructor: error if already rollbacked, but no harm is caused by this.
+        }
+    }
+}
+
+// Commit the CSQLiteTransaction.
+void CSQLiteTransaction::commit()
+{
+    if (false == mbCommited)
+    {
+        mDatabase.exec("COMMIT");
+        mbCommited = true;
+    }
+    else
+    {
+        throw CSQLiteException("CSQLiteTransaction already commited.");
+    }
+}
+