55 lines
1.9 KiB
SQL
55 lines
1.9 KiB
SQL
/* --- Option A (MySQL ≥5.7 / 8.0): add a per-query timeout hint --- */
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/*+ MAX_EXECUTION_TIME(8000) */ -- 8s budget (optional)
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SELECT
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a.id AS ID,
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a.eventtime AS StartTimestamp,
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clr.eventtime AS EndTimestamp,
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CONCAT(
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LPAD(FLOOR(TIMESTAMPDIFF(SECOND, a.eventtime, COALESCE(clr.eventtime, NOW())) / 3600), 2, '0'), ':',
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LPAD(FLOOR((TIMESTAMPDIFF(SECOND, a.eventtime, COALESCE(clr.eventtime, NOW())) % 3600) / 60), 2, '0'), ':',
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LPAD( (TIMESTAMPDIFF(SECOND, a.eventtime, COALESCE(clr.eventtime, NOW())) % 60) , 2, '0')
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) AS Duration,
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CONCAT(REPLACE(a.displaypath, '_', '-'), ' ', SUBSTRING_INDEX(a.source, ':/alm:', -1)) AS Description,
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CASE a.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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SUBSTRING_INDEX(SUBSTRING_INDEX(aed.strValue, '/', 2), '/', -1) AS Location,
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COALESCE(aed.strValue, SUBSTRING_INDEX(a.source, ':/tag:', -1)) AS Tag,
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COALESCE(aed.strValue, a.source) AS FullTag,
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a.displaypath AS Device
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FROM alarm_events a
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LEFT JOIN alarm_events clr ON (
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clr.eventid = a.eventid
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AND clr.eventtype = 1
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AND clr.eventtime >= a.eventtime
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AND clr.eventtime = (
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SELECT MIN(eventtime)
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FROM alarm_events ae2
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WHERE ae2.eventid = a.eventid
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AND ae2.eventtype = 1
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AND ae2.eventtime >= a.eventtime
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)
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)
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LEFT JOIN alarm_event_data aed ON (
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aed.id = a.id
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AND aed.propname = 'myTag'
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)
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WHERE
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a.eventtype = 0
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AND a.displaypath NOT LIKE '%System Startup%'
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AND a.source NOT LIKE '%System Startup%'
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AND (
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(a.eventtime >= :starttime AND a.eventtime < :endtime)
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OR (a.eventtime < :starttime AND (clr.eventtime IS NULL OR clr.eventtime >= :starttime))
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)
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ORDER BY
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CASE WHEN clr.eventtime IS NULL THEN 0 ELSE 1 END,
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COALESCE(clr.eventtime, a.eventtime) DESC,
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a.id DESC;
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