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From: Tom Lane <tgl@sss.pgh.pa.us>
To: frankaen@gmail.com
cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #16973: Backward compatibility: pg_restore: [archiver]
 unsupported version (1.14) in file header
In-reply-to: <16973-399e0677315a26a6@postgresql.org>
References: <16973-399e0677315a26a6@postgresql.org>
Comments: In-reply-to PG Bug reporting form <noreply@postgresql.org>
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Date: Tue, 20 Apr 2021 14:48:12 -0400
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PG Bug reporting form <noreply@postgresql.org> writes:
> Full dump created on April 12, 2021, default Ubuntu 18.04 LTS, cannot be
> restored on April 19, with the current output:

> psql --version
> psql (PostgreSQL) 10.16 (Ubuntu 10.16-1.pgdg20.04+1)

> pg_restore returns:
> pg_restore: [archiver] unsupported version (1.14) in file header

The most obvious explanation for this is that you made the dump
with a v12-or-later pg_dump, and are now trying to restore it
with a pre-v12 pg_restore.  If so, the failure is expected.

			regards, tom lane