create or replace function ems.fn_planning_run_horizon(p_run_id int)
returns jsonb
language sql
stable
as $fn$
  select jsonb_build_object(
    'horizon_start', pr.horizon_start,
    'horizon_end', pr.horizon_end
  )
  from ems.planning_run pr
  where pr.id = p_run_id;
$fn$;

comment on function ems.fn_planning_run_horizon(int) is
  'Horizont po úspěšném POST /plan/run (read-model).';