2025-10-20 18:09:34 +04:00

55 lines
1.9 KiB
SQL

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