create index idx_out_trade_no_expire_time on pay_renew (out_trade_no asc, expire_time desc); create index idx_out_trade_no_status_create_time on pay_renew (out_trade_no asc, status asc, create_time desc); create table promotion_agent ( id bigint auto_increment primary key, agent_name varchar(255) null, remark varchar(255) null, create_time datetime default CURRENT_TIMESTAMP not null, update_time datetime default CURRENT_TIMESTAMP not null, status int default 0 not null ); alter table promotion_advertiser add agent_id bigint null;