0918电表报表-奉贤每日尖峰平谷累加

ems-system/src/main/resources/mapper/ems/EmsAmmeterDataMapper.xml

@@ -1048,4 +1048,17 @@
         GROUP BY statisDate
         order by statisDate desc
     </select>
+
+    <select id="getLastData" resultMap="EmsAmmeterDataResult">
+        SELECT
+            t.site_id,
+            t.device_id,
+            t.data_update_time,
+            t.current_forward_active_total,
+            t.current_reverse_active_total
+        FROM ems_ammeter_data t
+        WHERE  site_id = #{siteId}
+          and device_id = #{deviceId}
+        ORDER BY data_update_time DESC  LIMIT 1
+    </select>
 </mapper>