share-platform/renren-admin/src/main/resources/mapper/date_snapshot/SysDateSnapshotDao.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="io.renren.modules.date_snapshot.dao.SysDateSnapshotDao">

    <resultMap type="io.renren.modules.date_snapshot.entity.SysDateSnapshotEntity" id="sysDateSnapshotMap">
        <result property="id" column="id"/>
        <result property="type" column="type"/>
        <result property="creator" column="creator"/>
        <result property="createDate" column="create_date"/>
        <result property="snapshot" column="snapshot"
                typeHandler="com.baomidou.mybatisplus.extension.handlers.FastjsonTypeHandler"/>
    </resultMap>

    <resultMap type="io.renren.modules.date_snapshot.dto.SysDateSnapshotDTO" id="sysDateSnapshotDtoMap">
        <result property="id" column="id"/>
        <result property="type" column="type"/>
        <result property="creator" column="creator"/>
        <result property="createDate" column="create_date"/>
        <result property="snapshot" column="snapshot"
                typeHandler="com.baomidou.mybatisplus.extension.handlers.FastjsonTypeHandler"/>
    </resultMap>

    <select id="selectForFlag" resultMap="sysDateSnapshotDtoMap">
        SELECT
        *
        FROM
        sys_date_snapshot
        WHERE
        type = ${type}
        ORDER BY
        create_date DESC
        LIMIT 1;
    </select>

</mapper>