CREATE TABLE `user_attention_ids` ( `user_id` bigint(20) NOT NULL, `attention_ids` bigint(20) DEFAULT NULL, KEY `FKjruoxsm5isj8qrkofpgwuhhqd` (`user_id`), CONSTRAINT `FKjruoxsm5isj8qrkofpgwuhhqd` FOREIGN KEY (`user_id`) REFERENCES `t_user` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO `user_attention_ids` (`user_id`, `attention_ids`) VALUES (3,4), (3,5), (4,3), (5,4), (6,3), (6,4), (6,5);