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66 lines
2.9 KiB
66 lines
2.9 KiB
<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="org.example.mapper.SelectionMapper">
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<resultMap type="CourseSelection" id="SelectionResult">
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<result property="id" column="id" />
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<result property="courseId" column="course_id" />
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<result property="studentId" column="student_id" />
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<result property="scores" column="scores" />
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<result property="createTime" column="create_time" />
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<association property="course" column="course_id" select="org.example.mapper.CourseMapper.selectCourseById"/>
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<association property="student" column="student_id" select="org.example.mapper.UserMapper.selectUserById"/>
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</resultMap>
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<sql id="selectSelectionVo">
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select id, course_id, student_id, scores, create_time from course_selection
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</sql>
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<update id="updateCourseSelection" parameterType="CourseSelection">
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update course_selection set scores = #{scores} where id = #{id}
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</update>
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<select id="selectCourseSelectionList" parameterType="CourseSelection" resultMap="SelectionResult">
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<include refid="selectSelectionVo"/>
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<where>
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<if test="courseId != null "> and course_id = #{courseId}</if>
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<if test="studentId != null and studentId != ''"> and student_id = #{studentId}</if>
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</where>
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order by course_id desc, id
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</select>
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<select id="selectCourseSelectionById" parameterType="Long" resultMap="SelectionResult">
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<include refid="selectSelectionVo"/>
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where id = #{id}
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</select>
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<insert id="insertCourseSelection" parameterType="CourseSelection" useGeneratedKeys="true" keyProperty="id">
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insert into course_selection
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<trim prefix="(" suffix=")" suffixOverrides=",">
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<if test="courseId != null and courseId != ''">course_id,</if>
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<if test="studentId != null and studentId != ''">student_id,</if>
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<if test="scores != null and scores != ''">scores,</if>
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<if test="remark != null">remark,</if>
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</trim>
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<trim prefix="values (" suffix=")" suffixOverrides=",">
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<if test="courseId != null and courseId != ''">#{courseId},</if>
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<if test="studentId != null and studentId != ''">#{studentId},</if>
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<if test="scores != null and scores != ''">#{scores},</if>
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<if test="remark != null">#{remark},</if>
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</trim>
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</insert>
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<delete id="deleteCourseSelectionById" parameterType="Long">
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delete from course_selection where id = #{id}
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</delete>
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<delete id="deleteCourseSelectionByIds" parameterType="String">
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delete from course_selection where id in
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<foreach item="id" collection="array" open="(" separator="," close=")">
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#{id}
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</foreach>
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</delete>
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</mapper> |