Robert Treat <xzilla(at)users(dot)sourceforge(dot)net> writes:
> I've not tested it, so I can say 100% for sure, but if I had to guess
> I'd say that those dumps wont work if you try to restore to 7.2.1 so you
> need to switch back to the proper version asap.
Robert's right: the output of 7.3 pg_dump will not load into older
servers. In general, pg_dump can read from older servers (back to
7.0) but its output will only load into same- or newer-version servers.
Of course, if you *did* have a crash you could install 7.3rc2 and reload
into that ...
regards, tom lane