Create Migration

Create Migration Supabase

Procédure

1. Vérifier les migrations existantes

ls -la supabase/migrations/

2. Créer le fichier migration

Nom : {timestamp}_{description}.sql

-- Migration: {nom}
-- Description: {description}

-- ============================================
-- TABLE
-- ============================================
create table if not exists {table_name} (
  id uuid primary key default gen_random_uuid(),
  user_id uuid references auth.users(id) on delete cascade not null,
  created_at timestamptz default now() not null,
  updated_at timestamptz default now() not null
);

-- ============================================
-- RLS (OBLIGATOIRE)
-- ============================================
alter table {table_name} enable row level security;

-- SELECT: USING uniquement
create policy "{table_name}_select_own"
on {table_name} for select
to authenticated
using ((select auth.uid()) = user_id);

-- INSERT: WITH CHECK uniquement
create policy "{table_name}_insert_own"
on {table_name} for insert
to authenticated
with check ((select auth.uid()) = user_id);

-- UPDATE: USING + WITH CHECK
create policy "{table_name}_update_own"
on {table_name} for update
to authenticated
using ((select auth.uid()) = user_id)
with check ((select auth.uid()) = user_id);

-- DELETE: USING uniquement
create policy "{table_name}_delete_own"
on {table_name} for delete
to authenticated
using ((select auth.uid()) = user_id);

-- ============================================
-- INDEXES
-- ============================================
create index if not exists idx_{table_name}_user_id
on {table_name}(user_id);

create index if not exists idx_{table_name}_created_at
on {table_name}(created_at desc);

3. Règles RLS

Important : Utiliser (select auth.uid()) (pas auth.uid() direct) pour la performance.

4. Appliquer

Utiliser MCP Supabase pour appliquer la migration (jamais CLI directe).

5. Mettre à jour le PRD module

Documenter dans modules/{module}/prd/{module}.md.