select id, user_id, follow_user_id, follow_together, create_time, update_time, remark from tb_user_follow and user_id = #{userId} and follow_user_id = #{followUserId} and follow_together = #{followTogether} where id = #{id} insert into tb_user_follow user_id, follow_user_id, follow_together, create_time, update_time, remark, #{userId}, #{followUserId}, #{followTogether}, #{createTime}, #{updateTime}, #{remark}, update tb_user_follow user_id = #{userId}, follow_user_id = #{followUserId}, follow_together = #{followTogether}, create_time = #{createTime}, update_time = #{updateTime}, remark = #{remark}, where id = #{id} delete from tb_user_follow where id = #{id} delete from tb_user_follow where id in #{id}