40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
-- GetActiveAlarmsByLocationAndPriority: Count active alarms grouped by location and priority
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-- Uses: idx_alarm_events_eventid, idx_alarm_event_data_lookup
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-- Expected performance: <1 second
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-- Active alarm = latest event per eventid is eventtype=0 (Ignition alarm pattern)
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SELECT
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-- Use myLocation property directly (99.96% coverage) - MUCH faster than parsing tags!
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IFNULL(loc.strValue, '') AS Location,
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CASE ae.priority
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WHEN 0 THEN 'Diagnostic'
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WHEN 1 THEN 'Low'
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WHEN 2 THEN 'Medium'
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WHEN 3 THEN 'High'
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WHEN 4 THEN 'Critical'
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ELSE 'Unknown'
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END AS Priority,
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COUNT(*) AS Count
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FROM alarm_events ae
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INNER JOIN (
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-- Find latest event per eventid where latest event is type 0 (active)
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SELECT lat.eventid, lat.latest_id
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FROM (
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SELECT eventid, MAX(id) as latest_id
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FROM alarm_events
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WHERE eventid IS NOT NULL
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GROUP BY eventid
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) lat
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INNER JOIN alarm_events latest_event ON latest_event.id = lat.latest_id
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WHERE latest_event.eventtype = 0
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AND latest_event.displaypath NOT LIKE '%System Startup%'
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AND latest_event.source NOT LIKE '%System Startup%'
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AND latest_event.displaypath NOT LIKE '%System Shutdown%'
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AND latest_event.source NOT LIKE '%System Shutdown%'
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) active ON ae.id = active.latest_id
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LEFT JOIN alarm_event_data loc FORCE INDEX (idx_alarm_event_data_lookup)
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ON loc.id = ae.id AND loc.propname = 'myLocation'
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GROUP BY Location, ae.priority
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ORDER BY Location, Priority;
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