I took the liberty of continuing to work on this after chatting with Nathan.
I've attached the updated patch with some improvements. Thanks. -- Anthony Leung Amazon Web Services: https://aws.amazon.com
v1-0001-Introduce-pg_signal_autovacuum-role-to-allow-non-sup.patch
Description: v1-0001-Introduce-pg_signal_autovacuum-role-to-allow-non-sup.patch
