PlayEdu/playedu-course/src/main/resources/mapper/CourseAttachmentDownloadLogMapper.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="xyz.playedu.course.mapper.CourseAttachmentDownloadLogMapper">

    <resultMap id="BaseResultMap" type="xyz.playedu.course.domain.CourseAttachmentDownloadLog">
            <id property="id" column="id" jdbcType="BIGINT"/>
            <result property="userId" column="user_id" jdbcType="INTEGER"/>
            <result property="courseId" column="course_id" jdbcType="INTEGER"/>
            <result property="title" column="title" jdbcType="VARCHAR"/>
            <result property="courserAttachmentId" column="courser_attachment_id" jdbcType="INTEGER"/>
            <result property="rid" column="rid" jdbcType="INTEGER"/>
            <result property="ip" column="ip" jdbcType="VARCHAR"/>
            <result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
    </resultMap>

    <sql id="Base_Column_List">
        id,user_id,course_id,title,
        courser_attachment_id,rid,
        ip,created_at
    </sql>

    <select id="paginate" resultType="xyz.playedu.course.domain.CourseAttachmentDownloadLog">
        SELECT `course_attachment_download_log`.*
        FROM `course_attachment_download_log`
        <where>
            <if test="userId != null">
                AND `course_attachment_download_log`.`user_id` = #{userId}
            </if>
            <if test="courseId != null">
                AND `course_attachment_download_log`.`course_id` = #{courseId}
            </if>
            <if test="title != null and title != ''">
                AND `course_attachment_download_log`.`title` LIKE concat('%',#{title},'%')
            </if>
            <if test="courserAttachmentId != null">
                AND `course_attachment_download_log`.`courser_attachment_id` = #{courserAttachmentId}
            </if>
            <if test="rid != null">
                AND `course_attachment_download_log`.`rid` = #{rid}
            </if>
        </where>

        <if test="sortAlgo == 'asc'">
            <choose>
                <when test="sortField == 'created_at'">
                    ORDER BY `course_attachment_download_log`.`created_at` ASC
                </when>
                <otherwise>
                    ORDER BY `course_attachment_download_log`.`id` ASC
                </otherwise>
            </choose>
        </if>
        <if test="sortAlgo != 'asc'">
            <choose>
                <when test="sortField == 'created_at'">
                    ORDER BY `course_attachment_download_log`.`created_at` DESC
                </when>
                <otherwise>
                    ORDER BY `course_attachment_download_log`.`id` DESC
                </otherwise>
            </choose>
        </if>
        LIMIT #{pageStart}, #{pageSize};
    </select>

    <select id="paginateCount" resultType="java.lang.Long">
        SELECT count(1)
        FROM `course_attachment_download_log`
        <where>
            <if test="userId != null">
                AND `course_attachment_download_log`.`user_id` = #{userId}
            </if>
            <if test="courseId != null">
                AND `course_attachment_download_log`.`course_id` = #{courseId}
            </if>
            <if test="title != null and title != ''">
                AND `course_attachment_download_log`.`title` LIKE concat('%',#{title},'%')
            </if>
            <if test="courserAttachmentId != null">
                AND `course_attachment_download_log`.`courser_attachment_id` = #{courserAttachmentId}
            </if>
            <if test="rid != null">
                AND `course_attachment_download_log`.`rid` = #{rid}
            </if>
        </where>
    </select>
</mapper>