Palle Girgensohn <girgen(at)pingpong(dot)net> writes:
> The most obvious question is, can we use pg_upgrade from contrib? It seems
> not to have been updated since 7.3, and is generally documented as
> untested.
"Guaranteed not to work" is more like it. I have some ambitions of
rewriting it for future releases, but don't even think of going there
at the moment.
regards, tom lane