Andrew Lazarus <andrew(at)pillette(dot)com> writes:
> I was surprised to find out that in my pg_dumpall, inherited tables
> (which have no extra columns) come out empty. All of the data are in
> the base table.
Well, then, that's where the data was in the source database. I can
assure you pg_dump has gotten this right for many years.
regards, tom lane