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Grafana La nuit : nuits superposees (nuage soiree/nuit + regression, tableau, profil horaire)

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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011uJ47NxgfpGnuuMr3f2n7Z
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Tallagrand Thierry
2026-09-28 23:14:16 +02:00
parent 5721031e17
commit fc5b219abf
5 changed files with 596 additions and 0 deletions
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32
tools/grafana-profil-horaire.sql Normal file
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WITH pts AS (
SELECT cle, ts, valeur,
least(coalesce(lead(ts) OVER (PARTITION BY cle ORDER BY ts), now()), ts + interval '1 hour') AS fin
FROM mesure
WHERE cle IN ('sensor.victron_consumption_power_l1', 'sensor.victron_evcs_ac_power')
AND ts > now() - interval '22 days'
),
heures AS (
SELECT h AS h0, h + interval '1 hour' AS h1
FROM generate_series(date_trunc('hour', now() - interval '20 days'), date_trunc('hour', now()), interval '1 hour') h
),
e AS (
SELECT h.h0, least(h.h1, now()) AS h1,
sum(p.valeur * extract(epoch FROM least(p.fin, h.h1) - greatest(p.ts, h.h0))
* CASE WHEN p.cle = 'sensor.victron_evcs_ac_power' THEN -1 ELSE 1 END) / 3.6e6 AS kwh
FROM heures h JOIN pts p ON p.fin > h.h0 AND p.ts < h.h1
GROUP BY 1, 2
),
cadre AS (
SELECT *, extract(hour FROM h0 AT TIME ZONE 'Europe/Paris')::int AS heure,
((extract(hour FROM h0 AT TIME ZONE 'Europe/Paris')::int + 6) % 24) AS rang
FROM e
)
SELECT lpad(heure::text, 2, '0') || ' h' AS "Heure",
round(percentile_cont(0.5) WITHIN GROUP (ORDER BY kwh) FILTER (WHERE h1 - h0 = interval '1 hour' AND h0 < date_trunc('hour', now()) - interval '18 hours')::numeric, 2) AS "Mediane 20 nuits",
round(percentile_cont(0.8) WITHIN GROUP (ORDER BY kwh) FILTER (WHERE h1 - h0 = interval '1 hour' AND h0 < date_trunc('hour', now()) - interval '18 hours')::numeric, 2) AS "8 nuits sur 10 sous",
round((max(kwh) FILTER (WHERE h0 >= (CASE WHEN extract(hour FROM now() AT TIME ZONE 'Europe/Paris') >= 18
THEN date_trunc('day', now() AT TIME ZONE 'Europe/Paris') + interval '18 hours'
ELSE date_trunc('day', now() AT TIME ZONE 'Europe/Paris') - interval '6 hours' END) AT TIME ZONE 'Europe/Paris'))::numeric, 2) AS "Cette nuit"
FROM cadre
GROUP BY heure, rang
ORDER BY rang