From: A. Kretschmer <andreas.kretschmer@schollglas.com>
To: pgsql-sql@postgresql.org
Subject: Re: hiding column values for specific rows
Date: Mon, 13 Nov 2006 14:22:05 +0100
Message-ID: <20061113132205.GB14281@a-kretschmer.de> (raw)
In-Reply-To: <200611131411.50562.fluca1978@infinito.it>
References: <200611131411.50562.fluca1978@infinito.it>
am Mon, dem 13.11.2006, um 14:11:50 +0100 mailte Luca Ferrari folgendes:
> Hi,
> I don't know if this's possible but I'd like to hide column values for
> specific rows within a query. Imagine I've got a table with columns username
> and password: users(username,password). Now I'd like the user registered in
> the table to see her password, to see who is registered but not to see the
> other people passwords. For example, if the table contains:
> username | password
> --------------+-------------
> luca | myPaswd
> roberto | otherPaswd
> gianna | thirdPaswd
>
> I'd like to do a query like: "SELECT * FROM users where username=luca"
> obtaining something like:
> username | password
> --------------+-------------
> luca | myPaswd
> roberto | xxxxx
> gianna | XXXXX
>
> Is it possible to specify in the above query that all password columns that do
You can do this with a VIEW and remoke all from normal users for the
original table. Within the VIEW, you can use current_user for the
username and/or a case when ... statement for the password-column.
Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47215, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: andreas.kretschmer@schollglas.com
Subject: Re: hiding column values for specific rows
In-Reply-To: <20061113132205.GB14281@a-kretschmer.de>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox