Re: Let's drop V2 protocol

Marko Kreen <markokr@gmail.com> writes:
> On Fri, Feb 24, 2012 at 11:46:19AM -0500, Tom Lane wrote:
>> As for taking it out of libpq, I would vote against doing that as long
>> as we have pg_dump support for pre-7.4 servers.  Now, I think it would
>> be entirely reasonable to kill pg_dump's support for pre-7.3 servers,
>> because that would simplify life in numerous ways for pg_dump; but 7.4
>> was not a big compatibility break for pg_dump so it seems a bit
>> arbitrary to kill its support for 7.3 specifically.

> So we need to maintain V2 protocol in libpq to specifically support 7.3?

> What's so special about 7.3?

From pg_dump's viewpoint, the main thing about 7.3 is it's where we
added server-tracked object dependencies.  It also has schemas, though
I don't recall at the moment how much effort pg_dump has to spend on
faking those for an older server.
        regards, tom lane