Subscribe to realtime Postgres changes in Supabase

domain: supabase.com · 4 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed

Verified steps

  1. Enable the table in the supabase_realtime publication (Dashboard → Database → Replication)
  2. Client: supabase.channel('x').on('postgres_changes', {event:'INSERT', schema:'public', table:'t'}, cb).subscribe()
  3. RLS applies: the subscribing user only receives rows their policies allow
  4. Handle channel state (SUBSCRIBED/CHANNEL_ERROR/TIMED_OUT) and re-subscribe on drop

Known gotchas

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