fix

db/routines/R__067_fn_site_effective_prices_slots_range.sql

@@ -0,0 +1,28 @@
+create or replace function ems.fn_site_effective_prices_slots_range(
+  p_site_id int,
+  p_from timestamptz,
+  p_to timestamptz
+)
+returns jsonb
+language sql
+stable
+as $fn$
+  select coalesce(
+    jsonb_agg(u.j order by u.interval_start),
+    '[]'::jsonb
+  )
+  from (
+    select
+      v.interval_start,
+      to_jsonb(v) as j
+    from ems.vw_site_effective_price v
+    where v.site_id = p_site_id
+      and v.interval_start >= p_from
+      and v.interval_end < p_to
+    order by v.interval_start
+  ) u;
+$fn$;
+
+comment on function ems.fn_site_effective_prices_slots_range(int, timestamptz, timestamptz) is
+  'Efektivní ceny pro [p_from, p_to) jako pole JSON řádků view (range pro UI bez PostgREST auth).';
+