select id, user_id, md_id, cretim from user_footprint and user_id = #{userId} and md_id = #{mdId} and cretim = #{cretim} order by id desc where id = #{id} insert into user_footprint user_id, md_id, cretim, #{userId}, #{mdId}, #{cretim}, update user_footprint user_id = #{userId}, md_id = #{mdId}, cretim = #{cretim}, where id = #{id} delete from user_footprint where id = #{id} delete from user_footprint where id in #{id}