On sön, 2011-10-09 at 11:51 -0400, Tom Lane wrote:
> The problem with something like a protocol bump is that the coding
> required to make it happen (in the backend and libpq, that is) is only
> a small part of the total distributed cost.
Why do we have major and minor protocol version numbers, which are
supposed to allow incremental addition of features to the protocol?
What other costs do you have in mind?