trigger.sql

-- inserts a row into public.user_profiles with only id and user_id
create or replace function public.handle_new_user()
returns trigger
language plpgsql
security definer set search_path = ''
as $$
begin
  insert into public.user_profiles (id, user_id, username)
  VALUES (new.id, new.id, (new.raw_user_meta_data->>'username'));
  return new;
end;
$$;

-- trigger the function every time a user is created
drop trigger if exists on_auth_user_created on auth.users;
create trigger on_auth_user_created
  after insert on auth.users
  for each row execute procedure public.handle_new_user();