meidu2021/daju/resources/mapper.daju/TBArchivesSignInMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.daju.mix.dao.mapper.TBArchivesSignInMapper">

    <resultMap type="com.daju.mix.dao.entity.TBArchivesSignIn" id="TBArchivesSignInMap"/>

    <select id="selectId" resultType="String">
        SELECT id
        from t_b_archives_sign_in
        where id = (select max(id) from t_b_archives_sign_in)
    </select>

    <resultMap type="com.daju.mix.dto.AllElements" id="AllElements"/>
    <select id="allElementsBySignIn" resultMap="AllElements">
        select tbarsi.code         id,
               cim_longitude longitude,
               cim_latitude latitude,
               height              altitude,
               tbca.status         warningState,
               tbca.content        warningMessage,
               12                  type,
               expected_completion time,
               max(tbca.create_date)
        from t_b_archives_sign_in tbarsi
                 left join t_b_car_alarm tbca on tbarsi.code = tbca.archive_id
        where tbarsi.type = 3
        group by tbarsi.id;
    </select>
</mapper>