新增运行策略轮询功能

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

@@ -655,4 +655,20 @@
             group by deviceId,dateDay,createDate,temp
             order by dateDay,createDate
     </select>
+    <select id="getSitePcsDataInfo" resultType="com.xzzn.ems.domain.EmsPcsData">
+        select
+            t.device_id as deviceId,
+            t.site_id as siteId,
+            t.cluster_num as clusterNum
+        from ems_pcs_data t
+                 INNER JOIN (
+            select p.site_id, p.device_id, MAX(p.create_time) as max_time
+            from ems_pcs_data p
+            where p.site_id = #{siteId}
+            group by p.site_id, p.device_id
+        ) latest on t.site_id = latest.site_id
+            and t.device_id = latest.device_id
+            and t.create_time = latest.max_time
+        where t.site_id = #{siteId}
+    </select>
 </mapper>