*** client/mysql.cc.orig        2014-11-21 14:39:51.000000000 +0900
--- client/mysql.cc     2014-12-17 19:22:45.570474072 +0900
***************
*** 5384,5389 ****
--- 5384,5392 ----
        case 'c':
        add_int_to_prompt(++prompt_counter);
        break;
+       case 'C':
+         add_int_to_prompt(mysql_thread_id(&mysql));
+         break;
        case 'v':
        if (connected)
          processed_prompt.append(mysql_get_server_info(&mysql));