Files
ems/db/routines/R__002_fn_modbus_last_verified_map.sql
2026-04-19 20:15:46 +02:00

25 lines
550 B
SQL

-- map register -> value_verified z modbus_command (poslední verified řádek per register)
create or replace function ems.fn_modbus_last_verified_map(
p_site_id int,
p_asset_id int
)
returns jsonb
language sql
stable
as $fn$
select coalesce(
jsonb_object_agg(register::text, to_jsonb(value_verified)),
'{}'::jsonb
)
from (
select
v.register,
v.value_verified
from ems.vw_modbus_last_verified v
where v.site_id = p_site_id
and v.asset_type = 'inverter'
and v.asset_id = p_asset_id
) t;
$fn$;