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mall_sql/migrations/20260526_user_profile_language_preference_fk.sql

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+begin;
+
+alter table if exists public.ak_users
+  drop constraint if exists ak_users_preferred_language_fkey;
+
+alter table if exists public.ak_users
+  add constraint ak_users_preferred_language_fkey
+  foreign key (preferred_language)
+  references public.ak_languages (id)
+  on update cascade
+  on delete set null;
+
+create index if not exists idx_ak_users_preferred_language
+  on public.ak_users (preferred_language);
+
+alter table if exists public.ak_languages enable row level security;
+
+do $$
+begin
+  if exists (
+    select 1
+    from pg_class c
+    join pg_namespace n on n.oid = c.relnamespace
+    where n.nspname = 'public'
+      and c.relname = 'ak_languages'
+      and c.relkind = 'r'
+  ) and not exists (
+    select 1
+    from pg_policies
+    where schemaname = 'public'
+      and tablename = 'ak_languages'
+      and policyname = 'ak_languages_active_select'
+  ) then
+    create policy ak_languages_active_select
+      on public.ak_languages
+      for select
+      using (is_active = true);
+  end if;
+end
+$$;
+
+commit;