create table success_killed(
seckill_id int not null comment '秒殺商品id',
user_phone int not null comment '用戶手機號',
state tinyint not null default -1 comment '狀態標示：-1：無效‘
create_time timestamp not null comment '創建時間',
primary key(seckill_id,user_phone),
key idx_create_time(create_time)
)
