81 lines
2.7 KiB
Plaintext
81 lines
2.7 KiB
Plaintext
/*+ MAX_EXECUTION_TIME(8000) */
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-- CORRECT APPROACH: Active alarm = latest event per eventid is eventtype=0
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-- Ignition alarm lifecycle: 0=activated, 1=cleared, 2=acknowledged
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-- If latest event is type 0, alarm is active
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SELECT
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ae.id AS ID,
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ae.eventtime AS StartTimestamp,
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TIME_FORMAT(SEC_TO_TIME(TIMESTAMPDIFF(SECOND, ae.eventtime, NOW())), '%H:%i:%s') AS Duration,
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CONCAT(REPLACE(ae.displaypath, '_', '-'), ' ', SUBSTRING_INDEX(ae.source, ':/alm:', -1)) AS Description,
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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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IFNULL(tag.strValue, '') AS Tag,
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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
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WHEN ae.priority = 3 THEN 'Alarms-Styles/High'
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WHEN ae.priority = 2 THEN 'Alarms-Styles/Medium'
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WHEN ae.priority = 1 THEN 'Alarms-Styles/Low'
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WHEN ae.priority = 0 THEN 'Alarms-Styles/Diagnostic'
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ELSE 'Alarms-Styles/NoAlarm'
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END AS Style
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FROM alarm_events ae
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INNER JOIN (
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-- Find latest event per eventid, then filter where it's type 0 (active)
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-- Ignition alarm pattern: latest event type 0 = active, type 1/2 = cleared/ack
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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 tag FORCE INDEX (idx_alarm_event_data_lookup)
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ON tag.id = ae.id AND tag.propname = 'myTag'
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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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WHERE
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-- Priority filter: Only evaluate priority conditions when parameter is provided
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(
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:priority IS NULL OR :priority = '' OR :priority = 0
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OR (
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:priority IS NOT NULL AND :priority != '' AND :priority != 0 AND (
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(:priority = 3 AND ae.priority = 3)
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OR (:priority = 2 AND ae.priority BETWEEN 2 AND 3)
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OR (:priority = 1 AND ae.priority BETWEEN 1 AND 3)
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)
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)
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)
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-- Location filter: Use myLocation property directly (much faster than parsing tags!)
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AND (
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:location IS NULL OR :location = ''
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OR (
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:location IS NOT NULL AND :location != '' AND
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IFNULL(loc.strValue, '') LIKE CONCAT('%', :location, '%')
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)
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)
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ORDER BY ae.eventtime DESC;
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