alarms

SCADA_PERSPECTIVE_PARENT_PROJECT/ignition/named-query/GetAlarms/query.sql

@@ -0,0 +1,40 @@
+SELECT 
+  Active.id AS ID,
+  Active.eventtime AS `StartTimestamp`,
+  Clear.eventtime AS `EndTimestamp`,
+  CONCAT(
+    LPAD(FLOOR(duration_seconds / 3600), 2, '0'), ':',
+    LPAD(FLOOR((duration_seconds % 3600) / 60), 2, '0'), ':',
+    LPAD(duration_seconds % 60, 2, '0')
+  ) AS Duration,
+  CONCAT(
+    SUBSTRING_INDEX(SUBSTRING_INDEX(SUBSTRING_INDEX(Active.source, '/HMI/ALARMST', 1), ':/tag:', -1), '/', -1),
+    ' - ',
+    SUBSTRING_INDEX(Active.source, ':/alm:', -1)
+  ) AS Description,
+  CASE Active.priority
+    WHEN 0 THEN 'Diagnostic'
+    WHEN 1 THEN 'Low'
+    WHEN 2 THEN 'Medium'
+    WHEN 3 THEN 'High'
+    WHEN 4 THEN 'Critical'
+    ELSE 'Unknown'
+  END AS Priority,
+  SUBSTRING_INDEX(SUBSTRING_INDEX(SUBSTRING_INDEX(Active.source, '/HMI/ALARMST', 1), ':/tag:', -1), '/', -1) AS Tag,
+  SUBSTRING_INDEX(SUBSTRING_INDEX(Active.source, '/tag:', -1), '/', 1) AS MCM
+FROM (
+  SELECT 
+    ae.id,
+    ae.eventtime,
+    ae.eventid,
+    ae.source,
+    ae.priority,
+    TIMESTAMPDIFF(SECOND, ae.eventtime, COALESCE(ae_clear.eventtime, NOW())) AS duration_seconds
+  FROM alarm_events ae
+  LEFT JOIN alarm_events ae_clear 
+    ON ae.eventid = ae_clear.eventid AND ae_clear.eventtype = 1
+  WHERE ae.eventtype = 0
+) AS Active
+LEFT JOIN alarm_events Clear 
+  ON Active.eventid = Clear.eventid AND Clear.eventtype = 1
+ORDER BY Active.eventtime DESC;