Re: Roadmap for FE/BE protocol redesign
От | Bruce Badger |
---|---|
Тема | Re: Roadmap for FE/BE protocol redesign |
Дата | |
Msg-id | 1047332470.10722.6.camel@alice обсуждение исходный текст |
Ответ на | Re: Roadmap for FE/BE protocol redesign (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Roadmap for FE/BE protocol redesign
|
Список | pgsql-interfaces |
On Tue, 2003-03-11 at 06:52, Tom Lane wrote: > Rod Taylor <rbt@rbt.ca> writes: > >> We already have that: you send a startup packet with a version less than > >> the latest, and the backend speaks that version to you. > > > Yes, but that requires you know the backend is less than the latest. > > As opposed to knowing what? You send the version number you wish to speak; > either the backend can handle it, or not. If the backend can not handle the version I request, but can handle a prior version, I'd like to know. I am planning on having handlers for multiple protocol versions in the same memory space (I'm using Smalltalk, BTW) so that one application can talk to various databases of various vintages. I suppose that the client can just keep retrying the connection with different versions until it gets a match, though.
В списке pgsql-interfaces по дате отправления: