Revert revision: 053bfe8ad9, this cause some crash.

Use dynamic_cast more is safer.
I think no more crash on db code.

--HG--
branch : trunk

src/shared/Database/SqlDelayThread.cpp

@@ -32,13 +32,14 @@ void SqlDelayThread::run()
     mysql_thread_init();
     #endif
 
+    SqlAsyncTask * s = NULL;
     // Lets wait for next async task no more than 2 secs
     ACE_Time_Value _time(2);
     while (m_running)
     {
         // if the running state gets turned off while sleeping
         // empty the queue before exiting
-        SqlAsyncTask * s = (SqlAsyncTask*)m_sqlQueue.dequeue(/*&_time*/);
+        s = dynamic_cast<SqlAsyncTask*> (m_sqlQueue.dequeue());
         if(s)
         {
             s->call();

src/shared/Database/SqlOperations.cpp

@@ -33,17 +33,23 @@ void SqlStatement::Execute(Database *db)
 
 void SqlTransaction::Execute(Database *db)
 {
-   const char *sql;
+    if (m_queue.empty())
+        return;
+
     db->DirectExecute("START TRANSACTION");
-    while(m_queue.next(sql))
+    while(!m_queue.empty())
     {
+        char const *sql = m_queue.front();
+        m_queue.pop();
+
         if(!db->DirectExecute(sql))
         {
             free((void*)const_cast<char*>(sql));
             db->DirectExecute("ROLLBACK");
-            while(m_queue.next(sql))
+            while(!m_queue.empty())
             {
-                free((void*)const_cast<char*>(sql));
+                free((void*)const_cast<char*>(m_queue.front()));
+                m_queue.pop();
             }
             return;
         }

src/shared/Database/SqlOperations.h

@@ -57,13 +57,11 @@ class SqlStatement : public SqlOperation
 
 class SqlTransaction : public SqlOperation
 {
-    typedef ACE_Based::LockedQueue<const char *, ACE_Thread_Mutex> LockedQueue;
-
     private:
-        LockedQueue m_queue;
+        std::queue<const char *> m_queue;
     public:
         SqlTransaction() {}
-        void DelayExecute(const char *sql) { m_queue.add(strdup(sql)); }
+        void DelayExecute(const char *sql) { m_queue.push(strdup(sql)); }
         void Execute(Database *db);
 };