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94 lines
4.0 KiB
SQL
94 lines
4.0 KiB
SQL
WITH params AS (
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SELECT
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NULL::uuid AS device_id, -- filter: specific device (or NULL for all)
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NULL::date AS start_date, -- filter: start date (or NULL for open range)
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NULL::date AS end_date, -- filter: end date (or NULL for open range)
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NULL::int AS hour, -- filter: hour of day (or NULL for all hours)
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NULL::int AS energy_consumed_kW -- filter: min kW consumed (or NULL for no filter)
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),
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-- Total Energy Calculation
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total_energy AS (
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SELECT
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log.device_id,
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log.event_time::date AS date,
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EXTRACT(HOUR FROM log.event_time) AS hour,
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MIN(log.value)::int AS min_value,
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MAX(log.value)::int AS max_value
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FROM "device-status-log" log, params
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WHERE log.code = 'EnergyConsumed'
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AND (params.device_id IS NULL OR log.device_id = params.device_id)
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AND (params.start_date IS NULL OR log.event_time::date >= params.start_date)
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AND (params.end_date IS NULL OR log.event_time::date <= params.end_date)
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AND (params.hour IS NULL OR EXTRACT(HOUR FROM log.event_time) = params.hour)
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GROUP BY log.device_id, log.event_time::date, EXTRACT(HOUR FROM log.event_time)
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),
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-- Phase A
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energy_phase_A AS (
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SELECT
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log.device_id,
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log.event_time::date AS date,
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EXTRACT(HOUR FROM log.event_time) AS hour,
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MIN(log.value)::int AS min_value,
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MAX(log.value)::int AS max_value
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FROM "device-status-log" log, params
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WHERE log.code = 'EnergyConsumedA'
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AND (params.device_id IS NULL OR log.device_id = params.device_id)
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AND (params.start_date IS NULL OR log.event_time::date >= params.start_date)
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AND (params.end_date IS NULL OR log.event_time::date <= params.end_date)
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AND (params.hour IS NULL OR EXTRACT(HOUR FROM log.event_time) = params.hour)
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GROUP BY log.device_id, log.event_time::date, EXTRACT(HOUR FROM log.event_time)
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),
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-- Phase B
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energy_phase_B AS (
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SELECT
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log.device_id,
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log.event_time::date AS date,
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EXTRACT(HOUR FROM log.event_time) AS hour,
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MIN(log.value)::int AS min_value,
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MAX(log.value)::int AS max_value
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FROM "device-status-log" log, params
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WHERE log.code = 'EnergyConsumedB'
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AND (params.device_id IS NULL OR log.device_id = params.device_id)
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AND (params.start_date IS NULL OR log.event_time::date >= params.start_date)
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AND (params.end_date IS NULL OR log.event_time::date <= params.end_date)
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AND (params.hour IS NULL OR EXTRACT(HOUR FROM log.event_time) = params.hour)
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GROUP BY log.device_id, log.event_time::date, EXTRACT(HOUR FROM log.event_time)
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),
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-- Phase C
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energy_phase_C AS (
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SELECT
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log.device_id,
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log.event_time::date AS date,
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EXTRACT(HOUR FROM log.event_time) AS hour,
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MIN(log.value)::int AS min_value,
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MAX(log.value)::int AS max_value
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FROM "device-status-log" log, params
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WHERE log.code = 'EnergyConsumedC'
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AND (params.device_id IS NULL OR log.device_id = params.device_id)
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AND (params.start_date IS NULL OR log.event_time::date >= params.start_date)
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AND (params.end_date IS NULL OR log.event_time::date <= params.end_date)
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AND (params.hour IS NULL OR EXTRACT(HOUR FROM log.event_time) = params.hour)
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GROUP BY log.device_id, log.event_time::date, EXTRACT(HOUR FROM log.event_time)
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)
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-- Final Output with Optional kW Filter
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SELECT
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t.device_id,
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t.date,
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t.hour,
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(t.max_value - t.min_value) AS energy_consumed_kW,
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(a.max_value - a.min_value) AS energy_consumed_A,
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(b.max_value - b.min_value) AS energy_consumed_B,
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(c.max_value - c.min_value) AS energy_consumed_C
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FROM total_energy t
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JOIN energy_phase_A a ON t.device_id = a.device_id AND t.date = a.date AND t.hour = a.hour
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JOIN energy_phase_B b ON t.device_id = b.device_id AND t.date = b.date AND t.hour = b.hour
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JOIN energy_phase_C c ON t.device_id = c.device_id AND t.date = c.date AND t.hour = c.hour
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JOIN params p ON TRUE
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WHERE (p.min_kw IS NULL OR (t.max_value - t.min_value) >= p.min_kw)
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ORDER BY t.device_id, t.date, t.hour;
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