4 лютого 2011 р. 09:32 <da...@lang.hm> написав: > > > when a copy command is issued, I assume that there is some indication of > how much data is going to follow. I know that it's not just 'insert > everything until the TCP connection terminates' because that would give you > no way of knowing if the copy got everything in or was interrupted part way > through. think about what happens with ftp if the connection drops, you get > a partial file 'successfully' as there is no size provided, but with HTTP > you get a known-bad transfer that you can abort or resume. > > I don't think so, since you can do 'cat my_large_copy.sql | psql'. AFAIR it simply looks for end of data marker, either in protocol or in stream itself (run copy from stdin in psql and it will tell you what marker is).
-- Best regards, Vitalii Tymchyshyn
