ExerciseCourseTreeMappingMapper.xml
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<?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.meishu.mapper.ExerciseCourseTreeMappingMapper">
<!-- <!– 通用查询映射结果 –>-->
<!-- <resultMap id="BaseResultMap" type="com.meishu.model.ExerciseCourseTreeMappingDO">-->
<!-- <id column="id" property="id" />-->
<!-- <result column="create_date" property="createTime" />-->
<!-- <result column="update_date" property="updateTime" />-->
<!-- <result column="delete_date" property="deleteTime" />-->
<!-- <result column="exercise_id" property="exerciseId" />-->
<!-- <result column="status" property="status" />-->
<!-- </resultMap>-->
<!-- 通用查询结果列 -->
<select id="queryCourseTreeExercise" parameterType="com.meishu.dto.exercise.QueryCourseTreeExerciseDTO" resultType="com.meishu.vo.exercise.QueryCourseTreeExerciseVO">
SELECT
t.id,
t2.exercise_type,
t2.title,
t2.items,
t2.detail,
t2.right_answer,
t2.difficulty,
t3.user_name,
t.status,
t2.create_date as update_date,
t4.right_cnt ,
t5.total_cnt,
ROUND(t4.right_cnt/t5.total_cnt,0) as right_percent
FROM
exercise_course_tree_mapping t
LEFT JOIN exercise_dict t2 ON t.exercise_id = t2.id
LEFT JOIN administer t3 ON t2.administer_id = t3.id
LEFT JOIN (
SELECT
t.course_id,
t.exercise_id,
sum( t.result ) AS right_cnt
FROM
course_tree_exercise_student_result t
GROUP BY
t.course_id,
t.exercise_id
) t4 ON t.exercise_id = t4.exercise_id
left join (SELECT
t.course_id,
t.exercise_id,
count( t.result ) AS total_cnt
FROM
course_tree_exercise_student_result t
GROUP BY
t.course_id,
t.exercise_id) t5 ON t.exercise_id = t5.exercise_id
WHERE
t.delete_date IS NULL
AND t2.delete_date IS NULL
<if test="title!=null and title !=''">
AND t2.title like concat('%',#{title} ,'%')
</if>
<if test="exerciseType!=null and exerciseType!=''">
and exercise_type = #{exerciseType}
</if>
<if test="difficulty !=null and difficulty!=''">
and difficulty = #{difficulty}
</if>
<if test="courseTreeId!=null and courseTreeId !=''">
AND t.course_tree_id = #{courseTreeId}
</if>
AND t.course_id = #{courseId}
</select>
<sql id="Base_Column_List">
create_date,
update_date,
delete_date,
id, exercise_id, tree_id, status
</sql>
<select id="getParentTreeId" parameterType="long" resultType="com.meishu.model.CourseTreeDO">
SELECT
t2.*
FROM
exercise_course_tree_mapping t
LEFT JOIN course_tree t2 ON t.course_tree_id = t2.id
WHERE
t.id = #{id}
and t.delete_date is null
and t2.delete_date is null
</select>
<select id="getExercisesByTree" parameterType="com.meishu.dto.course.GetExercisesByTreeDTO" resultType="com.meishu.model.ExerciseDictDO">
SELECT
t3.*
FROM
exercise_course_tree_mapping t
LEFT JOIN course_tree t2 ON t.course_tree_id = t2.id
LEFT JOIN exercise_dict t3 ON t.exercise_id = t3.id
WHERE
t.delete_date IS NULL
AND t2.delete_date IS NULL
AND t3.delete_date IS NULL
AND t2.id = #{treeId}
<!-- AND t3.id not IN-->
<!-- <foreach collection="exerciseIds" item="id" index="index" open="(" close=")" separator=",">-->
<!-- #{id}-->
<!-- </foreach>-->
</select>
<select id="queryChapterTest" resultType="com.meishu.vo.student.QueryChapterTestVO">
SELECT
t2.id,
t2.title,
t2.right_answer,
t2.items,
t2.difficulty,
t2.exercise_type,
t2.detail,
t2.advice_length,
t.length,
t.result,
t.answer
FROM
course_tree_exercise_student_result t
LEFT JOIN exercise_dict t2 ON t.exercise_id = t2.id
WHERE
t.delete_date IS NULL
AND t2.delete_date IS NULL
AND t.student_id = #{studentId}
AND t.chapter_id = #{chapterId}
</select>
</mapper>