Mine
public text v1 · immutablemysql> CREATE TABLE twatch_ippages (
-> dt int(11) NOT NULL default '0',
-> ip char(15) NOT NULL default '',
-> ord smallint(5) unsigned NOT NULL auto_increment,
-> page int(10) unsigned NOT NULL default '0',
-> pagedt int(10) unsigned NOT NULL default '0',
-> UNIQUE KEY dt (dt,ip,ord)
-> ) ENGINE=innodb;
ERROR 1075 (42000): Incorrect table definition; there can be only one auto column and it must be defined as a key