patch for MySQL Binlog Events example basic-2.ccp

basic-2.fix.patch

--- basic-2.cpp 2015-12-03 23:27:10.211110217 +0900
+++ basic-2.fixed.cpp   2015-12-03 23:26:42.965113967 +0900
@@ -46,8 +46,9 @@ public:
   }

   Binary_log_event *process_event(User_var_event *event) {
-    m_var[event->name] = event->val;
-    return NULL;
+    std::string a(event->val, 0, event->val_len);
+    m_var[event->name] = a;
+    return event;
   }

 private:
@@ -75,6 +76,7 @@ public:
       query.replace(start, end - start, "'" + m_var[key] + "'");
     }
     event->query= query.c_str();
+
     return event;
   }
 private:
@@ -143,6 +145,7 @@ int main(int argc, char** argv) {
       std::cerr << msg << std::endl;
       break;
     }
+    handler.handle_event(&event);
     switch (event->get_event_type()) {
     case QUERY_EVENT:
       std::cout << static_cast<Query_event*>(event)->query