Re: Using a 'loopback' FDW

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Steve Baldwin <steve(dot)baldwin(at)gmail(dot)com>
Cc: "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Using a 'loopback' FDW
Date: 2021-03-10 03:42:23
Message-ID: 2060366.1615347743@sss.pgh.pa.us
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Steve Baldwin <steve(dot)baldwin(at)gmail(dot)com> writes:
> I'm guessing I'm doing something wrong here. I've used postgres_fdw before
> to connect between servers, but in this instance I'm trying to use it
> to connect back to itself.

What are your pg_hba.conf settings for local connections?

> ERROR: password is required
> DETAIL: Non-superuser cannot connect if the server does not request a
> password.
> HINT: Target server's authentication method must be changed or
> password_required=false set in the user mapping attributes.

This suggests that you're using trust, peer, or something else in which
the password isn't actually relevant.

regards, tom lane

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