hubert depesz lubaczewski <depesz(at)depesz(dot)com> writes:
> is it by design that tables listed there (in extconfig column of
> pg_extension) will be dumped with data, even for pg_dump --schema?
Um, yes. Read the manual.
http://www.postgresql.org/docs/9.1/static/extend-extensions.html#AEN51966
regards, tom lane