CREATE TABLE event_hisotry( `id` bigint unsigned not null auto_increment, `member_id`, bigint unsigned not null, `event_id` tinyint unsigned not null, `created_at` datetime not null, PRIMARY KEY(`id`), KEY `key_1` (`member_id`, `timestamp1) )Engine=InnoDB "member_id","event_id","created_at" "100","23","20130823100000" "100","24","20130823101510" "101","23","20130823095959" ... みたいなcsvをいれてくれという依頼。