mysql have table t(a Int, b Int), 2 records: (1,1) and (2, 2), then in ck count
`select count(1) from ckdb.t ` -- 2, that's ok.
then, mysql  delete (2,2) and ck count
`select count(1) from ckdb.t ` -- still 2, that's not correct .
case QUERY_EVENT:
                return "QueryEvent";
            case STOP_EVENT:
                return "StopEvent";
            case ROTATE_EVENT:
                return "RotateEvent";
            case INT_VAR_EVENT:
                return "IntVarEvent";
            case LOAD_EVENT:
                return "LoadEvent";
            case SLAVE_EVENT:
                return "SlaveEvent";
            case CREATE_FILE_EVENT:
                return "CreateFileEvent";
            case APPEND_BLOCK_EVENT:
                return "AppendBlockEvent";
            case EXEC_LOAD_EVENT:
                return "ExecLoadEvent";
            case DELETE_FILE_EVENT:
                return "DeleteFileEvent";
            case NEW_LOAD_EVENT:
                return "NewLoadEvent";
            case RAND_EVENT:
                return "RandEvent";
            case USER_VAR_EVENT:
                return "UserVarEvent";
            case FORMAT_DESCRIPTION_EVENT:
                return "FormatDescriptionEvent";
            case XID_EVENT:
                return "XIDEvent";