create table record
(
id int auto_increment
primary key,
a_id int null,
a_sx int null,
a_sy int null,
b_id int null,
b_sx int null,
b_sy int null,
a_steps varchar(1000) null,
b_steps varchar(1000) null,
map varchar(1000) null,
loser varchar(10) null,
createtime datetime null
);