"Christopher Kings-Lynne" <chriskl@familyhealth.com.au> writes:
>> Another round of protocol changes. Backend-to-frontend messages now all
>> have length words. COPY OUT reimplemented per new protocol: it doesn't
>> need \. anymore, thank goodness.
> What are the backwards compatibility issues with that particular change?
None, it's hidden by libpq: PQgetline manufactures a "\." at end of data.
The PQgetline API is pretty sucky anyway and will be deprecated once the
dust settles, but apps that use it will be no more nor less broken than
they were before ...
regards, tom lane