On Thu, 22 Jul 2010, Robert Haas wrote:
On Thu, Jul 22, 2010 at 5:34 PM, Kris Jurka <bo...@ejurka.com> wrote:
Attached is a patch to make the server continue to consume protocol data
until instructed to stop by the client in the same way as copying text data
to the server currently works.
I guess the obvious question is whether we shouldn't instead change
the docs to match the behavior. I suspect there's almost no chance
we'd consider back-patching a change of this type, since it is a clear
behavior change. And even if we did, there would still be people
running servers with the old behavior with which JDBC and other
drivers would have to cope. Having two different behaviors might be
worse than the status quo.
It is a clear behavior change, but that's what bug fixes are. I would
advocate back-patching this because I doubt many people would be affected
by this change and I think it would be awkward trying to document how
things work differently in binary mode when sending a file end marker than
in text mode or without a file end marker. If this was fixed server side
and backpatched, I would not modify the JDBC driver to work with older
server versions.
The copy documentation is clear that you must call PQputCopyEnd or
equivalent to end the copy sequence, so this would only affect people who
are not doing that and using binary copy mode. I doubt many people are
using binary copy at all because of the additional difficulty in
generating binary format data and the potential for portability problems.
Kris Jurka
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