Mybatis sql嵌套複雜sql的書寫

1：注意參數daySub也可以傳到select 和 from 之間的sql中。
2：sql執行都是從內到外的順序執行

  SELECT
        station_uuid,
        stake_code,
        sum(fault_long_time)/#{daySub}/24/3600 AS fault_ra1,
        station_level_type,
        manufacture_name,
        stake_type,

<!-- 運營分析表和故障分析表-->
<mapper namespace="cn.datamining.stake.station.dao.AiOperationFaultDao">
    <!--故障率析表-->
    <select id="getFaultResultString" resultType="cn.datamining.stake.station.vo.FaultAnalysisResult">
        SELECT
        n1.stake_code AS stakeCode,
        n1.station_level_type AS stationLevelType,
        n1.station_status AS stationStatus,
        n1.manufacture_name AS manufactureName,
        n1.stake_type AS stakeType,
        n1.stake_power AS stakePower,
        n1.tcu_version AS tcuVersion,
        n1.station_runtime AS stationRuntime,
        n1.fault_ra1 AS stakeFaultRate,
        (
        n1.fault_ra1 / n2.fault_ra2 - 1
        )AS stakeFaultRateSequential,
        n1.fault_type AS faultType,
        n1.fault_grade AS faultGrade,
        n1.fault_times AS faultTimes,
        n3.station_name AS stationName,
        n1.station_uuid AS stationUuid,
        n3.station_address AS stationAddress,
        n3.stake_num_in_station AS stakeNumInStation,
        n3.dc_number AS dcNumber,
        n3.stationfaulttime1 AS stationFaultRate,
        n4.stationfaulttime2 AS stationFaultRateSequential,
        n3.station_fault_all_time AS stationFaultAllTime,
        n3.fault_stakes_number AS faultStakesNumber,
        n3.fault_stakes_rate AS faultStakesRate,
        n3.fault_stakes_once_num AS faultStakesOnceNum,
        n3.fault_stakes_once_rate AS faultStakesOnceRate,
        n3.fault_stakes_twice_num AS faultStakesTwiceNum,
        n3.fault_stakes_twice_rate AS faultStakesTwiceRate,
        n3.fault_stakes_twice_more_num AS faultStakesTwiceMoreNum,
        n3.fault_stakes_twice_more_rate AS faultStakesTwiceMoreRate,
        n3.fault_stakes_three_years_num AS faultStakesThreeYearsNum,
        n3.fault_stakes_three_years_rate AS faultStakesThreeYearsRate,
        n1.avg_electricity_three AS avgElectricityThree,
        n1.three_days_count AS threeDaysCount,
        n1.avg_electricity_seven AS avgElectricitySeven,
        n1.seven_days_count AS sevenDaysCount,
        n1.avg_electricity_fifteen AS avgElectricityFifteen,
        n1.fifteen_days_count AS fifteenDaysCount,
        n1.avg_electricity_thirty AS avgElectricityThirty,
        n1.thirty_days_count AS thirtyDaysCount,
        n3.stationfaulttime1,
        (
        n3.stationfaulttime1 / n4.stationfaulttime2 - 1
        )AS stationfault_seq
        FROM
        (
        SELECT
        station_uuid,
        stake_code,
        sum(fault_long_time)/#{daySub}/24/3600 AS fault_ra1,
        station_level_type,
        manufacture_name,
        stake_type,
        stake_power,
        tcu_version,
        station_runtime,
        station_status,
        fault_type,
        fault_grade,
        fault_times,
        avg_electricity_three,
        three_days_count,
        avg_electricity_seven,
        seven_days_count,
        avg_electricity_fifteen,
        fifteen_days_count,
        avg_electricity_thirty,
        thirty_days_count
        FROM
        stake_fault_day
        WHERE 1=1
        <if test="provinceLevelOrgCode !=null and provinceLevelOrgCode !=''">
            AND province_level_org_code =#{provinceLevelOrgCode}
        </if>
        <if test="dateStartString !=null and dateStartString !=''">
            AND stake_date &gt;=#{dateStartString}
        </if>
        <if test="dateEndString  !=null and dateEndString !=''">
            AND stake_date &lt;=#{dateEndString}
        </if>
        <if test="stakeDateStart !=null and stakeDateStart !=''">
            AND stake_date &gt;=#{stakeDateStart}
        </if>
        <if test="stakeDateEnd  !=null and stakeDateEnd !=''">
            AND stake_date &lt;=#{stakeDateEnd}
        </if>
        <if test="stationLevelType !=null and stationLevelType !=''">
            AND station_level_type=#{stationLevelType}
        </if>
        <if test="manufactureName !=null and manufactureName !=''">
            AND manufacture_name=#{manufactureName}
        </if>
        <if test="provincePrCode !=null and provincePrCode !=''">
            AND province_pr_code=#{provincePrCode}
        </if>
        <if test="provinceOmOrgCode !=null and provinceOmOrgCode !=''">
            AND province_om_org_code=#{provinceOmOrgCode}
        </if>
        <if test="faultType !=null and faultType !=''">
            AND fault_type=#{faultType}
        </if>
        GROUP BY
        stake_code
        )n1
        LEFT JOIN(
        SELECT
        stake_code,
        sum(fault_long_time)/ #{daySub} AS fault_ra2
        FROM
        stake_fault_day
        WHERE 1=1
        <if test="provinceLevelOrgCode !=null and provinceLevelOrgCode !=''">
            AND province_level_org_code =#{provinceLevelOrgCode}
        </if>
        <if test="dateStartString !=null">
            AND stake_date &gt;=#{dateStartString}
        </if>
        <if test="dateEndString  !=null">
            AND stake_date &lt;=#{dateEndString}
        </if>
        GROUP BY
        stake_code
        )n2 ON n1.stake_code = n2.stake_code
        LEFT JOIN(
        SELECT
        station_uuid,
        sum(station_fault_all_time)/ #{daySub}/24 AS stationfaulttime1,
        station_name,
        station_address,
        stake_num_in_station,
        dc_number,
        station_fault_all_time,
        fault_stakes_number,
        fault_stakes_rate,
        fault_stakes_once_num,
        fault_stakes_once_rate,
        fault_stakes_twice_num,
        fault_stakes_twice_rate,
        fault_stakes_twice_more_num,
        fault_stakes_twice_more_rate,
        fault_stakes_three_years_num,
        fault_stakes_three_years_rate
        FROM
        station_fault_day
        WHERE 1=1
        <if test="provinceLevelOrgCode !=null and provinceLevelOrgCode !=''">
            AND province_level_org_code =#{provinceLevelOrgCode}
        </if>
        <if test="stakeDateStart !=null">
            AND station_date &gt;=#{stakeDateStart}
        </if>
        <if test="stakeDateEnd  !=null">
            AND station_date &lt;=#{stakeDateEnd}
        </if>
        GROUP BY
        station_uuid
        )n3 ON n1.station_uuid = n3.station_uuid
        LEFT JOIN(
        SELECT
        station_uuid,
        sum(station_fault_all_time)/ #{daySub} AS stationfaulttime2
        FROM
        station_fault_day
        WHERE 1=1
        <if test="provinceLevelOrgCode !=null and provinceLevelOrgCode !=''">
            AND province_level_org_code =#{provinceLevelOrgCode}
        </if>
        <if test="dateStartString !=null">
            AND station_date &gt;=#{dateStartString}
        </if>
        <if test="dateEndString  !=null">
            AND station_date &lt;=#{dateEndString}
        </if>
        GROUP BY
        station_uuid
        )n4 ON n1.station_uuid = n4.station_uuid
    </select>
</mapper>