合并sql

ZhuDongming

2019-08-19 f1374915909bb5bddb8d3a7fad84b3955fd69778

合并sql

 src/main/resources/mapper/HistoryMinutelyMapper.xml

@@ -141,7 +141,9 @@
        SELECT

        DATE_FORMAT(hm.time,'%Y-%m-%d %H:%i:%s') time,

        <foreach collection="sensorKeys" item="sensorKey" separator=",">

            hm.json->'$.${sensorKey}[0]' as '${sensorKey}'

            hm.json->'$.${sensorKey}[0]' as '${sensorKey}',

            hm.json->'$.${sensorKey}[1]' as 'min${sensorKey}',

            hm.json->'$.${sensorKey}[2]' as 'max${sensorKey}'

        </foreach>

        FROM

        history_minutely as hm

@@ -156,41 +158,4 @@
        hm.time

    </select>



    <select id="getSensorDataMin" resultType="java.util.LinkedHashMap">

        SELECT

        DATE_FORMAT(hm.time,'%Y-%m-%d %H:%i:%s') time,

        <foreach collection="sensorKeys" item="sensorKey" separator=",">

            hm.json->'$.${sensorKey}[1]' as '${sensorKey}'

        </foreach>

        FROM

        history_minutely as hm

        <where>

            <if test="mac!=null">

                and hm.mac=#{mac}

            </if>

            and hm.time >= #{startTime}

            and hm.time <![CDATA[<=]]> #{endTime}

        </where>

        ORDER BY

        hm.time

    </select>



    <select id="getSensorDataMax" resultType="java.util.LinkedHashMap">

        SELECT

        DATE_FORMAT(hm.time,'%Y-%m-%d %H:%i:%s') time,

        <foreach collection="sensorKeys" item="sensorKey" separator=",">

            hm.json->'$.${sensorKey}[2]' as '${sensorKey}'

        </foreach>

        FROM

        history_minutely as hm

        <where>

            <if test="mac!=null">

                and hm.mac=#{mac}

            </if>

            and hm.time >= #{startTime}

            and hm.time <![CDATA[<=]]> #{endTime}

        </where>

        ORDER BY

        hm.time

    </select>

</mapper>