Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>> BTW, a protocol version bump for this is a horrid idea. That will
>> create lots of compatibility problems for people, whether they use
>> the new auth mode or not.
> I thought protocol bumps were the way to handle such things. The SCM
> patch does it as well. How should I tell if I am talking to a >=7.2
> client?
You send it the new auth request code and see if it copes or not.
There's no need to bump the overall protocol version, and every reason
*not* to.
regards, tom lane