lanan-system/dl-module-jx/src/main/resources/mapper/base/DlDriveSchoolStudentMapper.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="cn.iocoder.yudao.module.base.mapper.DlDriveSchoolStudentMapper">

    <!--
        一般情况下，尽可能使用 Mapper 进行 CRUD 增删改查即可。
        无法满足的场景，例如说多表关联查询，才使用 XML 编写 SQL。
        代码生成器暂时只生成 Mapper XML 文件本身，更多推荐 MybatisX 快速开发插件来生成查询。
        文档可见：https://www.iocoder.cn/MyBatis/x-plugins/
     -->

    <select id="queryListPage" resultType="cn.iocoder.yudao.module.base.vo.DlDriveSchoolStudentVO">
        SELECT
        main.*
        FROM
        drive_school_student main
        <where>
            main.deleted = 0
            <if test="entity.name != null  and entity.name != ''">and main.name like concat('%', #{entity.name}, '%')</if>
        </where>
        order by main.create_time desc
    </select>
    <select id="selectCanExamStudentList"
            resultType="cn.iocoder.yudao.module.base.entity.DlDriveSchoolStudent">
        SELECT
            dss.*
        FROM
            drive_school_process dsp
                LEFT JOIN drive_school_student dss ON dsp.user_id = dss.user_id
                AND dss.deleted = 0
        WHERE
            dsp.deleted = 0
            AND dsp.coach_id = #{coachId}
          AND dsp.course_id = #{courseId}
          AND dsp.`subject` = #{subject}
          <if test="userName!=null and userName!=''">
              AND dsp.user_name LIKE CONCAT('%',#{userName},'%')
          </if>
          AND dsp.`status` = '1'
          AND dsp.exam_status IS NULL
        GROUP BY
            dss.id
        ORDER BY
            dss.create_time DESC
    </select>
</mapper>