On Fri, 2023-12-29 at 18:29 +0100, Jelte Fennema-Nio wrote: > 2. It paves the way for GUCs that can only be set using a protocol > message (and not using SET).
That sounds useful for GUCs that can interfere with the client, such as client_encoding or the proposed GUC in you referred to at [1]. > There's definitely still some more work that needs to be done > (docs for new libpq APIs, protocol version bump, working protocol > version negotiation). That is my biggest concern right now: what will new clients connecting to old servers do? If the version is bumped, should we look around for other unrelated protocol changes to make at the same time? Do we want a more generic form of negotiation? Regards, Jeff Davis