Alvaro Herrera <alvhe...@2ndquadrant.com> writes:
> The reason for the failure is that pg_dump knows that 9.6 installations
> have the amtype column -- but on your older devel 9.6 install, it
> doesn't exist. To fix it we would have to compare catalog versions in
> pg_dump rather than major version, but we don't that anywhere. Anyway
> many upgrades could fail depending on other patches because of the same
> reason. I don't think we need to fix this.
We've never expected pg_dump to be able to handle intermediate development
versions. It's enough of a maintenance burden that it knows how to dump
from all previous stable branches.
regards, tom lane
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