sum

supabase/migrations/001_profiles.sql

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+-- Profiles table (extends Supabase auth.users)
+create table profiles (
+  id          uuid primary key references auth.users(id) on delete cascade,
+  display_name text,
+  locale      text not null default 'en',
+  currency    text not null default 'EUR',
+  created_at  timestamptz not null default now(),
+  updated_at  timestamptz not null default now()
+);
+
+alter table profiles enable row level security;
+
+create policy "Users can read own profile"
+  on profiles for select
+  using (id = auth.uid());
+
+create policy "Users can update own profile"
+  on profiles for update
+  using (id = auth.uid())
+  with check (id = auth.uid());
+
+create policy "Users can insert own profile"
+  on profiles for insert
+  with check (id = auth.uid());
+
+-- Auto-create profile on user signup
+create or replace function handle_new_user()
+returns trigger as $$
+begin
+  insert into profiles (id) values (new.id);
+  return new;
+end;
+$$ language plpgsql security definer;
+
+create trigger on_auth_user_created
+  after insert on auth.users
+  for each row execute function handle_new_user();