initial import

sql/backup_view_terminal_last_hearbeat.sql

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+-- public.tms_v_terminal_last_heart_beat source
+
+CREATE OR REPLACE VIEW public.tms_v_terminal_last_heart_beat
+AS SELECT terminal.id, terminal.id AS terminal_id, terminal.sn AS terminal_sn, 
+    heartbeat.create_ts, heartbeat.created_by, heartbeat.battery_temp, 
+    heartbeat.battery_percentage, heartbeat.latitude, heartbeat.longitude, 
+    heartbeat.version, 
+        CASE
+            WHEN terminal.heartbeat_status = 3 THEN 'DISCONNECTED'::text
+            WHEN terminal.heartbeat_status = 2 THEN 'OFFLINE'::text
+            WHEN terminal.heartbeat_status = 1 THEN 'ONLINE'::text
+            ELSE 'DISCONNECTED'::text
+        END AS state
+   FROM tms_terminal terminal
+   JOIN tms_device_profile profile ON terminal.profile_id = profile.id
+   LEFT JOIN tms_heart_beat heartbeat ON terminal.last_heartbeat_id = heartbeat.id;

sql/diagnostic_infos.sql

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+select t.sn,h.* 
+from tms_heart_beat h 
+    inner join tms_terminal t on h.terminal_id=t.id
+order by h.create_ts desc