图谱-后端
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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.teaching.backend.mapper.courses.StudentCoursesMapper">
<insert id="insertBatchSomeColumn" parameterType="java.util.List">
INSERT INTO student_courses (student, course)
VALUES
<foreach collection="list" item="item" index="index" separator=",">
(#{item.student}, #{item.course})
</foreach>
</insert>
<select id="selectBatchSomeStudent" resultType="com.teaching.backend.model.entity.courses.StudentCourses" parameterType="java.lang.String">
SELECT
sc.student student
FROM
student_courses sc
WHERE
sc.course = #{courseId}
</select>
</mapper>