You're in
the Room

create table if not exists public.seats (
  id integer primary key,
  label text not null,
  name text,
  claimed_at timestamptz
);

insert into public.seats (id, label)
select i, 'Seat ' || i
from generate_series(1, 50) as i
on conflict (id) do nothing;

alter table public.seats enable row level security;

create policy "Anyone can view seats"
  on public.seats for select using (true);

create policy "Anyone can claim or release seats"
  on public.seats for update using (true) with check (true);