safety-eval-service/safety-cedu-service/src/main/resources/mapper/QuestionMapper.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="org.qinan.cedu.mapper.QuestionMapper">

    <select id="pagePaperQuestions" resultType="org.qinan.cedu.model.vo.PaperQuestionVO">
        SELECT q.id, q.title, q.score, q.answer_question_option_ids, q.analysis
             , q.question_type, q.tag_type, pqr.question_num
             , cm.courseware_name
        FROM paper_question_rel pqr
        JOIN question q ON pqr.question_id = q.id
        LEFT JOIN courseware_management cm ON cm.id = q.courseware_management_id
        WHERE pqr.paper_id = #{query.paperId}
          AND pqr.delete_enum = 0
          AND q.delete_enum = 0
        <if test="query.title != null and query.title != ''">
            AND q.title LIKE CONCAT('%', #{query.title}, '%')
        </if>
        <if test="query.questionType != null and query.questionType != ''">
            AND q.question_type = #{query.questionType}
        </if>
        ORDER BY  pqr.question_num ASC
    </select>
</mapper>