Re: superuser() shortcuts

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Adam Brightwell <adam(dot)brightwell(at)crunchydatasolutions(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: superuser() shortcuts
Date: 2014-12-02 16:44:14
Message-ID: CA+TgmoboHkiyu434WPv17H+ZZj1CKj37NWdeQnZh24v_fJyhcw@mail.gmail.com
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On Tue, Dec 2, 2014 at 11:29 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> * Robert Haas (robertmhaas(at)gmail(dot)com) wrote:
>> On Wed, Nov 26, 2014 at 10:12 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>> > * Tom Lane (tgl(at)sss(dot)pgh(dot)pa(dot)us) wrote:
>> >> In the context at hand, I think most of the messages in question are
>> >> currently phrased like "must be superuser to do X". I'd be fine with
>> >> changing that to "permission denied to do X", but not to just
>> >> "permission denied".
>> >
>> > Apologies for the terseness of my (earlier) reply. This is exactly what
>> > I'm suggesting. What was in the patch was this change:
>> >
>> > ! ERROR: must be superuser or replication role to use replication slots
>> >
>> > ---
>> >
>> > ! ERROR: permission denied to use replication slots
>> > ! HINT: You must be superuser or replication role to use replication slots.
>>
>> Your proposed change takes two lines to convey the same amount of
>> information that we are currently conveying in one line. How is that
>> better?
>
> It includes the actual error message, unlike what we have today which is
> guidence as to what's required to get past the permission denied error.
>
> In other words, I disagree that the same amount of information is being
> conveyed.

So, you think that someone might see the message "must be superuser or
replication role to use replication slots" and fail to understand that
they have a permissions problem?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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