Re:Show HN: Postgres.js – Fastest Full-Featured PostgreSQL C...
by porsager on Saturday April 02, 2022 @05:07AM
(#30886868)
It was indeed the RDS Proxy. It appers to be very strict about the client_encoding parameter. Postgres.js was sending 'utf-8' which PostreSQL will understand, but RDS Proxy would just hang until this was changed to UTF8 (uppercase with no dash).
https://github.com/porsager/postgres/issues/288