CREATE TABLE `achievement_interest` (
  `id` varchar(36) NOT NULL,
  `achievement_id` varchar(36) NOT NULL COMMENT '科技成果ID',
  `uid` varchar(36) NOT NULL COMMENT '感兴趣人ID',
  `create_time` datetime NOT NULL COMMENT '记录创建时间(关注时间)',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='科技成果"感兴趣(关注)"';

CREATE TABLE `demand_interest` (
  `id` VARCHAR(36) NOT NULL,
  `demand_id` VARCHAR(36) NOT NULL COMMENT '需求主键',
  `uid` VARCHAR(36) NOT NULL COMMENT '关注人ID',
  `create_time` DATETIME NOT NULL COMMENT '关注时间',
  PRIMARY KEY (`id`))
ENGINE = InnoDB
COMMENT = '科技需求\"感兴趣(关注)\"'
