Change MySQLTransaction API

MySQLTransaction.cpp

@@ -33,7 +33,7 @@ int Transaction::commit()
     else
     {
         _operated=true;
-        return conn.getAffectedRows();
+        return 0;
     }
 }
 
@@ -48,7 +48,7 @@ int Transaction::rollback()
     else
     {
         _operated=true;
-        return conn.getAffectedRows();
+        return 0;
     }
 }
 

MySQLTransaction.h

@@ -11,10 +11,10 @@ public:
 
     /// NOTE: A Transaction can only call commit() or rollback() once, until it calls start commit again.
     /// Commit transaction. Equals to SQL: COMMIT
-    /// ReturnValue: -1 SQL Error. -2 Operated >=0 Affected Rows
+    /// ReturnValue: -1 SQL Error. -2 Operated 0 Success
     int commit();
     /// Rollback transaction. Equals to SQL: ROLLBACK
-    /// ReturnValue: -1 SQL Error. -2 Operated >=0 Affected Rows
+    /// ReturnValue: -1 SQL Error. -2 Operated 0 Success
     int rollback();
 
     /// Check if a Transaction object is ready. If it is ready, then a transaction has started.

MySQLWrapper.cpp

@@ -90,8 +90,13 @@ int MySQLConn::connect(const std::string& host, const std::string& user, const s
     }
 }
 
+FILE* fp=fopen("sql_log.txt","w");
+
 int MySQLConn::exec(const std::string& SQLCommand, const std::function<void(MySQLResult&)>& func)
 {
+    fprintf(fp,"%s\n",SQLCommand.c_str());
+    fflush(fp);
+
     if(mysql_real_query(&(pimpl->m),SQLCommand.c_str(),SQLCommand.size())!=0)
     {
         /// Failed to Query