Files
ems/db/routines/R__062_fn_energy_flows_daily_month.sql
2026-04-19 20:15:46 +02:00

83 lines
3.1 KiB
SQL

create or replace function ems.fn_energy_flows_daily_month(
p_site_id int,
p_month_start date,
p_month_end date
)
returns jsonb
language sql
stable
as $fn$
select jsonb_build_object(
'days',
coalesce(
jsonb_agg(t.row_json order by t.day_local),
'[]'::jsonb
)
)
from (
select
(date_trunc('day', ai.interval_start at time zone 'Europe/Prague'))::date as day_local,
jsonb_build_object(
'day', (date_trunc('day', ai.interval_start at time zone 'Europe/Prague'))::date,
'interval_count', count(*)::int,
'pv_production_kwh', round(sum(coalesce(ai.actual_pv_production_wh, 0)) / 1000, 3),
'grid_import_kwh', round(sum(coalesce(ai.actual_grid_import_wh, 0)) / 1000, 3),
'grid_export_kwh', round(sum(coalesce(ai.actual_grid_export_wh, 0)) / 1000, 3),
'batt_charge_kwh', round(sum(coalesce(ai.actual_batt_charge_wh, 0)) / 1000, 3),
'batt_discharge_kwh', round(sum(coalesce(ai.actual_batt_discharge_wh, 0)) / 1000, 3),
'load_kwh', round(sum(coalesce(ai.actual_load_consumption_wh, 0)) / 1000, 3),
'pv_to_load_kwh', round(sum(coalesce(ai.flow_pv_to_load_wh, 0)) / 1000, 3),
'pv_to_batt_kwh', round(sum(coalesce(ai.flow_pv_to_batt_wh, 0)) / 1000, 3),
'pv_to_grid_kwh', round(sum(coalesce(ai.flow_pv_to_grid_wh, 0)) / 1000, 3),
'batt_to_load_kwh', round(sum(coalesce(ai.flow_batt_to_load_wh, 0)) / 1000, 3),
'batt_to_grid_kwh', round(sum(coalesce(ai.flow_batt_to_grid_wh, 0)) / 1000, 3),
'grid_to_load_kwh', round(sum(coalesce(ai.flow_grid_to_load_wh, 0)) / 1000, 3),
'grid_to_batt_kwh', round(sum(coalesce(ai.flow_grid_to_batt_wh, 0)) / 1000, 3),
'grid_import_cashflow_czk',
round(
sum(
coalesce(ai.actual_grid_import_wh, 0) / 1000.0
* coalesce(ep.effective_buy_price_czk_kwh, 0)
),
2
),
'grid_export_revenue_czk',
round(
sum(
coalesce(ai.actual_grid_export_wh, 0) / 1000.0
* coalesce(ep.effective_sell_price_czk_kwh, 0)
),
2
),
'grid_to_load_cost_czk',
round(
sum(
coalesce(ai.flow_grid_to_load_wh, 0) / 1000.0
* coalesce(ep.effective_buy_price_czk_kwh, 0)
),
2
),
'grid_to_batt_cost_czk',
round(
sum(
coalesce(ai.flow_grid_to_batt_wh, 0) / 1000.0
* coalesce(ep.effective_buy_price_czk_kwh, 0)
),
2
)
) as row_json
from ems.audit_interval ai
left join ems.vw_site_effective_price ep
on ep.site_id = ai.site_id
and ep.interval_start = ai.interval_start
where ai.site_id = p_site_id
and (date_trunc('day', ai.interval_start at time zone 'Europe/Prague'))::date >= p_month_start
and (date_trunc('day', ai.interval_start at time zone 'Europe/Prague'))::date < p_month_end
group by 1
order by 1
) t;
$fn$;
comment on function ems.fn_energy_flows_daily_month(int, date, date) is
'Denní agregace energy flows za měsíc jako JSON pole řádků.';