Peter Eisentraut <e99re41(at)DoCS(dot)UU(dot)SE> writes:
>> Allow ^C to cancel COPY command (Massimo)
> That's cool, but if you look closely, psql doesn't do that (anymore). :(
> Is it safe to send PQcancelRequest in a copy state and then just forget
> about it? What's the correct behaviour?
For a COPY OUT (from the backend), the correct behavior is same as for
non-copy state: fire off the cancel request and then forget about it.
If the backend decides to honor the request then it will terminate the
copy in the usual way. For a COPY IN, it's up to you to stop sending
regards, tom lane
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