IETMWebBackend/src/main/resources/mapper/TrainingResourceMapper.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="com.backend.webbackend.mapper.TrainingResourceMapper">

    <resultMap id="BaseResultMap" type="com.backend.webbackend.domain.TrainingResource">
            <id property="id" column="id" />
            <result property="resourceName" column="resource_name" />
            <result property="resourceType" column="resource_type" />
            <result property="filePath" column="file_path" />
            <result property="courseId" column="course_id" />
    </resultMap>

    <sql id="Base_Column_List">
        id,resource_name,resource_type,file_path,course_id
    </sql>

    <select id="selectByPrimaryKey" parameterType="java.lang.Long" resultMap="BaseResultMap">
        select
        <include refid="Base_Column_List" />
        from training_resource
        where  id = #{id} 
    </select>
    <select id="getAllTraningResources" resultMap="BaseResultMap">
        select
        <include refid="Base_Column_List" />
        from training_resource
    </select>

    <delete id="deleteByPrimaryKey" parameterType="java.lang.Long">
        delete from training_resource
        where  id = #{id} 
    </delete>
    <insert id="insert" keyColumn="id" keyProperty="id" parameterType="com.backend.webbackend.domain.TrainingResource" useGeneratedKeys="true">
        insert into training_resource
        ( id,resource_name,resource_type,file_path,course_id)
        values (#{id},#{resourceName},#{resourceType},#{filePath},#{courseId})
    </insert>
    <insert id="insertSelective" keyColumn="id" keyProperty="id" parameterType="com.backend.webbackend.domain.TrainingResource" useGeneratedKeys="true">
        insert into training_resource
        <trim prefix="(" suffix=")" suffixOverrides=",">
                <if test="id != null">id,</if>
                <if test="resourceName != null">resource_name,</if>
                <if test="resourceType != null">resource_type,</if>
                <if test="filePath != null">file_path,</if>
                <if test="courseId != null">course_id,</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
                <if test="id != null">#{id},</if>
                <if test="resourceName != null">#{resourceName},</if>
                <if test="resourceType != null">#{resourceType},</if>
                <if test="filePath != null">#{filePath},</if>
                <if test="courseId != null">#{courseId},</if>
        </trim>
    </insert>
    <update id="updateByPrimaryKeySelective" parameterType="com.backend.webbackend.domain.TrainingResource">
        update training_resource
        <set>
                <if test="resourceName != null">
                    resource_name = #{resourceName},
                </if>
                <if test="resourceType != null">
                    resource_type = #{resourceType},
                </if>
                <if test="filePath != null">
                    file_path = #{filePath},
                </if>
                <if test="courseId != null">
                    course_id = #{courseId},
                </if>
        </set>
        where   id = #{id} 
    </update>
    <update id="updateByPrimaryKey" parameterType="com.backend.webbackend.domain.TrainingResource">
        update training_resource
        set 
            resource_name =  #{resourceName},
            resource_type =  #{resourceType},
            file_path =  #{filePath},
            course_id =  #{courseId}
        where   id = #{id} 
    </update>
</mapper>