Thank you very much for the clarification. I indeed misunderstood the
documentation on this one....
On 12/14/20 5:41 PM, Tom Lane wrote:
> PG Bug reporting form <noreply@postgresql.org> writes:
>> Trying to create a dump with following command line:
>> pg_dumpall -h <database host> -p 5432 -U user1 -f /tmp/dump.out
>> --disable-triggers -S user2 -v
>> User1 is a regular user and user2 is a superuser like the documentation
>> states: "Specify the superuser user name to use when disabling triggers"
> I think you misunderstood the docs; perhaps there's an opportunity to
> clarify them. The pg_dumpall run itself has to run as superuser
> so that it can extract role passwords, therefore user1 has to be
> superuser. What "-S" is for is to specify a superuser role name that
> the dump's output script can use *at restore time* to monkey with
> trigger settings. That switch exists mainly because you might be planning
> to restore into a different installation with different superusers.
> Therefore, that name is *not* used during the dump.
>
> regards, tom lane
