feature(tianmu):fix code to repairorder by command

[DandreChen]

Is your feature request related to a problem? Please describe.

case:

use test;
create table tt2 (a tinyint(4), b smallint(6), c bigint(20)) ENGINE=TIANMU;
insert into tt2 values (15, 20, 18), (1, 6, 4);
select (a/b)/c as agf from tt2 order by a;

reuslt:

mysql> select (a/b)/c as agf from tt2 order by a;
ERROR 2013 (HY000): Lost connection to MySQL server during query
No connection. Trying to reconnect...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/data/stonedb80/tmp/mysql.sock' (111)
ERROR:
Can't connect to the server

Describe the solution you'd like

fix tianmu code to support order by command

Describe alternatives you've considered

Additional context