
mysql> select count(*) from test where id <= (select id from test where id=16); +----------+ | count(*) | +----------+ | 1 | +----------+ 1 row in set (0.00 sec)
mysql> select count(*) from test where id <= (select id from test where id=16); +----------+ | count(*) | +----------+ | 1 | +----------+ 1 row in set (0.00 sec)