From 636af927431b46a0788b7d76233387923135ac0c Mon Sep 17 00:00:00 2001
From: 于紫祥_1901 <email@yuzixiang_1910>
Date: Tue, 01 Dec 2020 13:11:21 +0800
Subject: [PATCH] 数据空判断

---
 src/main/resources/mapper/HistoryHourlyMapper.xml |   17 +++++++++--------
 1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/main/resources/mapper/HistoryHourlyMapper.xml b/src/main/resources/mapper/HistoryHourlyMapper.xml
index ecfbebb..f71f671 100644
--- a/src/main/resources/mapper/HistoryHourlyMapper.xml
+++ b/src/main/resources/mapper/HistoryHourlyMapper.xml
@@ -112,15 +112,15 @@
     </select>
     <select id="getDataAvbByMIdAndTime" resultType="java.util.Map">
         select hh.time as `time`,
-            ROUND(AVG(hh.json->"$.e1[0]")) as `PM2_5`,ROUND(AVG(hh.json->"$.e2[0]")) as 'PM10',CAST(AVG(hh.json->"$.e10[0]") as DECIMAL(10,1)) as 'CO',
-            ROUND(AVG(hh.json->"$.e11[0]")) as 'SO2',ROUND(AVG(hh.json->"$.e16[0]")) as 'NO2',ROUND(AVG(hh.json->"$.e15[0]")) as 'O3'
+            IFNULL(ROUND(AVG(hh.json->"$.e1[0]")),"") as `PM2_5`,IFNULL(ROUND(AVG(hh.json->"$.e2[0]")),"") as 'PM10',IFNULL(ROUND(AVG(hh.json->"$.e10[0]"),1),"") as 'CO',
+            IFNULL(ROUND(AVG(hh.json->"$.e11[0]")),"") as 'SO2',IFNULL(ROUND(AVG(hh.json->"$.e16[0]")),"") as 'NO2',IFNULL(ROUND(AVG(hh.json->"$.e15[0]")),"") as 'O3'
             from monitor_point mt,device d,history_hourly hh
             where mt.id=d.monitor_point_id and d.mac=hh.mac and mt.id=#{mId} and hh.time>#{startTime} and hh.time<![CDATA[<=]]>#{endTime} GROUP BY hh.time;
     </select>
     <select id="getDataByMonitorPoints" resultType="java.util.Map">
         select hh.time as `time`,
-        ROUND(AVG(hh.json->"$.e1[0]")) as `PM2_5`,ROUND(AVG(hh.json->"$.e2[0]")) as 'PM10',CAST(AVG(hh.json->"$.e10[0]") as DECIMAL(10,1)) as 'CO',
-        ROUND(AVG(hh.json->"$.e11[0]")) as 'SO2',ROUND(AVG(hh.json->"$.e16[0]")) as 'NO2',ROUND(AVG(hh.json->"$.e15[0]")) as 'O3'
+        IFNULL(ROUND(AVG(hh.json->"$.e1[0]")),"") as `PM2_5`,IFNULL(ROUND(AVG(hh.json->"$.e2[0]")),"") as 'PM10',IFNULL(ROUND(AVG(hh.json->"$.e10[0]"),1),"") as 'CO',
+        IFNULL(ROUND(AVG(hh.json->"$.e11[0]")),"") as 'SO2',IFNULL(ROUND(AVG(hh.json->"$.e16[0]")),"") as 'NO2',IFNULL(ROUND(AVG(hh.json->"$.e15[0]")),"") as 'O3'
         from monitor_point mt,device d,history_hourly hh
         where mt.id=d.monitor_point_id and d.mac=hh.mac and mt.id in
         <foreach collection="mIds" item="id" index="index" open="(" close=")" separator=",">
@@ -130,14 +130,15 @@
     </select>
     <select id="getAvgDataByMId" resultType="java.util.Map">
         SELECT
-       ROUND(AVG(hh.json->"$.e1[0]")) as `PM2_5`,ROUND(AVG(hh.json->"$.e2[0]")) as 'PM10',CAST(AVG(hh.json->"$.e10[0]") as DECIMAL(10,1)) as 'CO',
-        ROUND(AVG(hh.json->"$.e11[0]")) as 'SO2',ROUND(AVG(hh.json->"$.e16[0]")) as 'NO2',ROUND(AVG(hh.json->"$.e15[0]")) as 'O3_day'
+        IFNULL(ROUND(AVG(hh.json->"$.e1[0]")),"") as `PM2_5`,IFNULL(ROUND(AVG(hh.json->"$.e2[0]")),"") as 'PM10',IFNULL(ROUND(AVG(hh.json->"$.e10[0]"),1),"") as 'CO',
+        IFNULL(ROUND(AVG(hh.json->"$.e11[0]")),"") as 'SO2',IFNULL(ROUND(AVG(hh.json->"$.e16[0]")),"") as 'NO2',IFNULL(ROUND(AVG(hh.json->"$.e15[0]")),"") as 'O3_day'
         from monitor_point mt,device d,history_hourly hh where mt.id=d.monitor_point_id
         and d.mac=hh.mac and mt.id =#{mId} and hh.time<![CDATA[<=]]>#{endTime} and hh.time>#{startTime}
     </select>
     <select id="getAvgDataByMIds" resultType="java.util.Map">
-        SELECT ROUND(AVG(hh.json->"$.e1[0]")) as `PM2_5`,ROUND(AVG(hh.json->"$.e2[0]")) as 'PM10',CAST(AVG(hh.json->"$.e10[0]") as DECIMAL(10,1)) as 'CO',
-       ROUND(AVG(hh.json->"$.e11[0]")) as 'SO2',ROUND(AVG(hh.json->"$.e16[0]")) as 'NO2',ROUND(AVG(hh.json->"$.e15[0]")) as 'O3_day'
+        SELECT
+        IFNULL(ROUND(AVG(hh.json->"$.e1[0]")),"") as `PM2_5`,IFNULL(ROUND(AVG(hh.json->"$.e2[0]")),"") as 'PM10',IFNULL(ROUND(AVG(hh.json->"$.e10[0]"),1),"") as 'CO',
+        IFNULL(ROUND(AVG(hh.json->"$.e11[0]")),"") as 'SO2',IFNULL(ROUND(AVG(hh.json->"$.e16[0]")),"") as 'NO2',IFNULL(ROUND(AVG(hh.json->"$.e15[0]")),"") as 'O3_day'
         from monitor_point mt,device d,history_hourly hh where mt.id=d.monitor_point_id
         and d.mac=hh.mac and mt.id in
         <foreach collection="mIds" item="id" index="index" open="(" close=")" separator=",">

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