jihe-dc/zc-business/src/main/resources/mapper/business/DcTrafficSectionDataMapper.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.zc.business.mapper.DcTrafficSectionDataMapper">

    <!-- 插入或更新交通路段数据 -->
    <insert id="insertOrUpdate" parameterType="com.zc.business.domain.DcTrafficSectionData">
        INSERT INTO
            dc_traffic_section_data
                (
                     id,
                     traffic_volume,
                     large_traffic_volume,
                     average_speed,
                     device_id,
                     statistical_date,
                     direction,
                     period_type,
                     stake_mark,
                     create_time
                )
        VALUES
            (
                 #{id},
                 #{trafficVolume},
                 #{largeTrafficVolume},
                 #{averageSpeed},
                 #{deviceId},
                 #{statisticalDate},
                 #{direction},
                 #{periodType},
                 #{stakeMark},
                 NOW())
            ON DUPLICATE KEY UPDATE
                 traffic_volume = VALUES(traffic_volume),
                 large_traffic_volume = VALUES(large_traffic_volume),
                 average_speed = VALUES(average_speed),
                 device_id = VALUES(device_id),
                 statistical_date = VALUES(statistical_date),
                 direction = VALUES(direction),
                 period_type = VALUES(period_type),
                 stake_mark = VALUES(stake_mark),
                 update_time = NOW()
    </insert>

    <select id="getMaxStatisticalDate" resultType="java.util.Date">
        SELECT
            MAX(statistical_date)
        FROM
            dc_traffic_section_data
    </select>

</mapper>