thing_api/modules/carbon-track/src/main/resources/mapper/IotCarbonOutboundConfigMapper.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.thing.carbontrack.outbound.mapper.IotCarbonOutboundConfigMapper">

    <select id="getOutboundNumByMidAndPrCode" resultType="Long">

        SELECT
            sum(num)
        FROM
            iot_carbon_outbound_config
        WHERE m_id= #{mId} and pr_code =#{prCode}
    </select>
</mapper>