| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Christoph Berg <myon(at)debian(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_upgrade 9.6->9.6: column "amtype" does not exist |
| Date: | 2016-04-01 21:55:58 |
| Message-ID: | 584.1459547758@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Alvaro Herrera <alvherre(at)2ndquadrant(dot)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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