meidu2021/daju/resources/mapper.daju/TBCarScheduleSectionCaseMapper.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.TBCarScheduleSectionCaseMapper">

    <resultMap id="RoadDtoMap" type="com.daju.mix.dto.RoadSectionDto">
        <result property="id" column="id"/>
        <result property="name" column="name"/>
        <result property="state" column="state"/>
    </resultMap>

<!--    <select id="selectAll" resultMap="RoadDtoMap" >-->
<!--        select  b.code id,name, max(a.alarm_status) state, a.create_date-->
<!--        from  t_b_archives_road_section b-->
<!--                  left join t_b_car_schedule_arrange_section a on b.id = a.section_id-->
<!--        where a.date = #{date}-->
<!--        group by b.id;-->
<!--    </select>-->

<!--    <select id="selectById" resultMap="RoadDtoMap" >-->
<!--        select b.code id,b.name, a.alarm_status state,max(a.create_date) createDate-->
<!--        from  t_b_archives_road_section b-->
<!--                  left join t_b_car_schedule_arrange_section a on b.id = a.section_id-->
<!--        where b.code = #{code}-->
<!--        group by b.id;-->
<!--    </select>-->
    <select id="selectAll" resultMap="RoadDtoMap" >
        select  b.code id,name, a.alarm_status state, max(a.create_date) createDate
        from  t_b_archives_road_section b
                  left join t_b_car_schedule_arrange_section a on b.id = a.section_id
        group by b.id;
    </select>

    <select id="selectById" resultMap="RoadDtoMap" >
        select b.code id,name, a.alarm_status state,max(a.create_date) createDate
        from t_b_car_schedule_arrange_section a
                 left join t_b_archives_road_section b on a.section_id = b.id
        where b.code = #{code}
        group by b.id;
    </select>

</mapper>