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From: David G. Johnston <[email protected]>
To: ikramuddin <[email protected]>
Cc: [email protected]
Subject: Re: how to switch user in postgres
Date: Sat, 11 Apr 2026 11:33:58 -0700
Message-ID: <CAKFQuwaFHzyqZTPsiQRWyucy0jov9MpbvtcMGSyTE6nsBySLPQ@mail.gmail.com> (raw)
In-Reply-To: <CAL9MbytWDzHYHPo31AeR=-ZcCKfQr8uXQitFNe0nehAvLze7PA@mail.gmail.com>
References: <CAL9MbytWDzHYHPo31AeR=-ZcCKfQr8uXQitFNe0nehAvLze7PA@mail.gmail.com>

This seems quite misplaced on the -performance mailing list.

On Sat, Apr 11, 2026 at 10:55 AM ikramuddin <[email protected]>
wrote:

>
> As i was working through postgresql user and role privileges i faced an
> unexpected behavious when we revoke connect on database from a user then
> why still we need to revoke usage on schema basis and then revoke select ,
> insert , update privileges at table table. second when i did all this one
> by one and then tried to connect to same database using \c database_name
> user_name, it failed that is perfect which i expected but when i tried to
> connect through postgres as a superuser it connect still it is fine. but
> then i write the command set role simon it connected even i revoked the
> connect privileges from the role .
>


> plz guide it is a bug or this behavious left intentionally.
>

Intentional, every object has its own permissions that are granted to roles
independently of others.


> finance=> reset role'
> finance'> ;
> finance'> ';
> ERROR:  syntax error at or near "'
> ;
> '"
> LINE 1: reset role'
>
                  ^
> finance=> reset role;
> RESET
>

You had a typo in the first attempt...

For everything else I really don't feel like trying to read your mind.  If
you have questions about specific outcomes or whatnot please ask them
directly.  But there are no known bugs here and I presume you haven't
demonstrated any - everything is working as intended.

David J.

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