klp-oa/klp-ems/src/main/resources/mapper/EmsEnergyConsumptionMapper.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.klp.ems.mapper.EmsEnergyConsumptionMapper">

    <resultMap type="com.klp.ems.domain.EmsEnergyConsumption" id="EmsEnergyConsumptionResult">
        <result property="energyConsumptionId" column="energy_consumption_id"/>
        <result property="meterId" column="meter_id"/>
        <result property="startReading" column="start_reading"/>
        <result property="endReading" column="end_reading"/>
        <result property="consumption" column="consumption"/>
        <result property="startTime" column="start_time"/>
        <result property="endTime" column="end_time"/>
        <result property="recordedBy" column="recorded_by"/>
        <result property="createBy" column="create_by"/>
        <result property="updateBy" column="update_by"/>
        <result property="createTime" column="create_time"/>
        <result property="updateTime" column="update_time"/>
        <result property="delFlag" column="del_flag"/>
        <result property="remark" column="remark"/>
    </resultMap>

    <select id="selectDailySummary" resultType="com.klp.ems.domain.vo.SummaryDailyVo">
        SELECT
            DATE(end_time) AS day,
            SUM(consumption) AS totalConsumption
        FROM
            ems_energy_consumption
        WHERE
            DATE(end_time) BETWEEN #{startDate} AND #{endDate}
        GROUP BY
            DATE(end_time)
        ORDER BY
            day
    </select>
    <select id="selectMonthlySummary" resultType="com.klp.ems.domain.vo.SummaryMonthlyVo">
        SELECT
            DATE_FORMAT(end_time, '%Y-%m') AS month,
            SUM(consumption) AS totalConsumption
        FROM
            ems_energy_consumption
        WHERE
            DATE_FORMAT(end_time, '%Y') = #{year}
        GROUP BY
            DATE_FORMAT(end_time, '%Y-%m')
        ORDER BY
            month
    </select>

    <!-- 过滤版：按设备集合（energyTypeId/locationId会先解析出设备集合） -->
    <select id="selectDailySummaryWithMeters" parameterType="com.klp.ems.domain.bo.TimeRangeWithMetersBo" resultType="com.klp.ems.domain.vo.SummaryDailyVo">
        SELECT
            DATE(end_time) AS day,
            SUM(consumption) AS totalConsumption
        FROM ems_energy_consumption
        WHERE DATE(end_time) BETWEEN #{start} AND #{end}
        <if test="meterIds != null and meterIds.size() > 0">
            AND meter_id IN
            <foreach collection="meterIds" item="id" open="(" separator="," close=")">
                #{id}
            </foreach>
        </if>
        GROUP BY DATE(end_time)
        ORDER BY day
    </select>

    <select id="selectMonthlySummaryWithMeters" parameterType="com.klp.ems.domain.bo.TimeRangeWithMetersBo" resultType="com.klp.ems.domain.vo.SummaryMonthlyVo">
        SELECT
            DATE_FORMAT(end_time, '%Y-%m') AS month,
            SUM(consumption) AS totalConsumption
        FROM ems_energy_consumption
        WHERE DATE_FORMAT(end_time, '%Y') = #{start}
        <if test="meterIds != null and meterIds.size() > 0">
            AND meter_id IN
            <foreach collection="meterIds" item="id" open="(" separator="," close=")">
                #{id}
            </foreach>
        </if>
        GROUP BY DATE_FORMAT(end_time, '%Y-%m')
        ORDER BY month
    </select>

    <select id="sumConsumptionBetween" resultType="java.lang.Double">
        SELECT IFNULL(SUM(consumption), 0)
        FROM ems_energy_consumption
        WHERE end_time &gt;= #{startTime}
          AND end_time &lt;= #{endTime}
    </select>

    <select id="sumConsumptionBetweenWithMeters" parameterType="com.klp.ems.domain.bo.TimeRangeWithMetersBo" resultType="java.lang.Double">
        SELECT IFNULL(SUM(consumption), 0)
        FROM ems_energy_consumption
        WHERE end_time &gt;= #{start}
          AND end_time &lt;= #{end}
        <if test="meterIds != null and meterIds.size() > 0">
            AND meter_id IN
            <foreach collection="meterIds" item="id" open="(" separator="," close=")">
                #{id}
            </foreach>
        </if>
    </select>

    <select id="selectLatestBefore" resultMap="EmsEnergyConsumptionResult">
        SELECT *
        FROM ems_energy_consumption
        WHERE meter_id = #{meterId}
          AND end_time &lt;= #{endTime}
        ORDER BY end_time DESC
        LIMIT 1
    </select>

    <select id="selectOverlapRange" resultMap="EmsEnergyConsumptionResult">
        SELECT *
        FROM ems_energy_consumption
        WHERE meter_id = #{meterId}
          AND end_time &gt;= #{startTime}
          AND start_time &lt;= #{endTime}
        ORDER BY start_time ASC
    </select>

    <select id="selectCoveringRange" resultMap="EmsEnergyConsumptionResult">
        SELECT *
        FROM ems_energy_consumption
        WHERE meter_id = #{meterId}
          AND start_time &lt;= #{startTime}
          AND end_time &gt;= #{endTime}
        ORDER BY start_time ASC
        LIMIT 1
    </select>

    <select id="selectLatestTwoReadings" resultMap="EmsEnergyConsumptionResult">
        SELECT *
        FROM ems_energy_consumption
        WHERE meter_id = #{meterId}
        ORDER BY end_time DESC
        LIMIT 2
    </select>

    <!-- 统计查询 -->
    <select id="getStatistics" parameterType="com.klp.ems.domain.bo.EmsEnergyConsumptionBo" resultType="java.util.Map">
        SELECT
            COUNT(*) AS totalCount,
            IFNULL(SUM(consumption), 0) AS totalConsumption,
            IFNULL(AVG(consumption), 0) AS avgConsumption,
            IFNULL(MAX(consumption), 0) AS maxConsumption,
            IFNULL(MIN(consumption), 0) AS minConsumption
        FROM ems_energy_consumption
        WHERE 1=1
        <if test="meterId != null">
            AND meter_id = #{meterId}
        </if>
        <if test="energyTypeId != null">
            AND meter_id IN (
                SELECT meter_id FROM ems_meter WHERE energy_type_id = #{energyTypeId}
            )
        </if>
        <if test="startTime != null">
            AND start_time &gt;= #{startTime}
        </if>
        <if test="endTime != null">
            AND end_time &lt;= #{endTime}
        </if>
    </select>

    <!-- 查询最近一次抄表的时间范围 -->
    <select id="selectLatestMeterReadTime" resultType="com.klp.ems.domain.vo.LatestMeterReadTimeVo">
        SELECT 
            start_time AS startTime,
            end_time AS endTime
        FROM ems_energy_consumption
        WHERE end_time IS NOT NULL
        ORDER BY end_time DESC
        LIMIT 1
    </select>

</mapper>