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fix telemtrie na dahsbaordu (15min misto 1h)
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This commit is contained in:
Dusan Vojacek
2026-04-10 20:48:41 +02:00
parent 920d9ff40c
commit eb8dd0368f
11 changed files with 131 additions and 23 deletions
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33
db/migration/V039__telemetry_inverter_15m_aggregate.sql Normal file
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@@ -0,0 +1,33 @@
-- ============================================================
-- 15min continuous aggregate telemetrie střídače (dashboard sloty)
-- ============================================================
-- Zarovnáno s 15min sloty UI (UTC time_bucket = floorSlotUtcMs v frontendu).
-- Hodinový CA telemetry_inverter_hourly zůstává pro dlouhé grafy / legacy.
CREATE MATERIALIZED VIEW IF NOT EXISTS ems.telemetry_inverter_15m
WITH (timescaledb.continuous) AS
SELECT
time_bucket('15 minutes', measured_at) AS slot_start,
site_id,
AVG(pv_power_w)::INT AS avg_pv_w,
AVG(battery_power_w)::INT AS avg_battery_w,
AVG(grid_power_w)::INT AS avg_grid_w,
AVG(load_power_w)::INT AS avg_load_w,
LAST(battery_soc_percent, measured_at) AS last_soc_pct,
COUNT(*) AS sample_count
FROM ems.telemetry_inverter
GROUP BY slot_start, site_id
WITH NO DATA;
-- Refresh: ≥2× time_bucket (15 min) → start_offset > 30 min
SELECT add_continuous_aggregate_policy(
'ems.telemetry_inverter_15m',
start_offset => INTERVAL '45 minutes',
end_offset => INTERVAL '1 minute',
schedule_interval => INTERVAL '15 minutes'
);
COMMENT ON MATERIALIZED VIEW ems.telemetry_inverter_15m IS
'Čtvrthodinové agregáty telemetrie střídače. TimescaleDB continuous aggregate.
Refresh každých 15 minut. Dashboard přehled (sloty 15 min).
View vw_telemetry_15m_7d je v repeatable R__vw_telemetry_15m_7d.sql.';

19
db/views/R__vw_telemetry_15m_7d.sql Normal file
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@@ -0,0 +1,19 @@
-- =============================================================
-- R__vw_telemetry_15m_7d.sql
-- EMS Platform – telemetrie střídače po 15 min (dashboard sloty)
-- Repeatable migration – jedna aktuální definice view
-- =============================================================
-- Zdroj: continuous aggregate ems.telemetry_inverter_15m (V039).
-- security_invoker=false: PostgREST ems_anon čte bez GRANT na podkladový CA.
CREATE OR REPLACE VIEW ems.vw_telemetry_15m_7d
WITH (security_invoker = false)
AS
SELECT *
FROM ems.telemetry_inverter_15m
WHERE slot_start >= now() - INTERVAL '7 days'
ORDER BY slot_start DESC;
COMMENT ON VIEW ems.vw_telemetry_15m_7d IS
'Telemetrie střídače po 15 min za 7 dní (zdroj: telemetry_inverter_15m).
security_invoker=false: čtení přes PostgREST role ems_anon bez GRANT na podkladový CA.';

1
db/views/R__z_postgrest_ems_anon_grants.sql
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@@ -26,6 +26,7 @@ GRANT SELECT ON ems.vw_audit_weekly TO ems_anon;
GRANT SELECT ON ems.vw_mode_log_recent TO ems_anon;
GRANT SELECT ON ems.vw_operating_mode TO ems_anon;
GRANT SELECT ON ems.vw_telemetry_hourly_7d TO ems_anon;
GRANT SELECT ON ems.vw_telemetry_15m_7d TO ems_anon;
GRANT SELECT ON ems.forecast_accuracy TO ems_anon;
GRANT SELECT ON ems.vw_forecast_accuracy_by_lead_time TO ems_anon;
GRANT SELECT ON ems.vw_forecast_accuracy_daily TO ems_anon;