Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes:
> It doesn't feel right to always accept PQputCopyData in COPY OUT mode,
> though. IMHO there should be a new COPY IN+OUT mode.
Yeah, I was going to make the same complaint. Breaking basic
error-checking functionality in libpq is not very acceptable.
> It should be pretty safe to add a CopyInOutResponse message to the
> protocol without a protocol version bump. Thoughts on that?
Not if it's something that an existing application might see. If
it can only happen in replication mode it's OK.
Personally I think this demonstrates that piggybacking replication
data transfer on the COPY protocol was a bad design to start with.
It's probably time to split them apart.
regards, tom lane
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