Postgres Pro
Downloads
Home   >   mailing lists

Re: (psuedo) random serial for PK or at least UNIQUE NOT NULL? - Mailing list pgsql-general

From Alvaro Herrera
Subject Re: (psuedo) random serial for PK or at least UNIQUE NOT NULL?
Date
Msg-id 20100504174825.GB3565@alvh.no-ip.org
Whole thread Raw
In response to (psuedo) random serial for PK or at least UNIQUE NOT NULL?  (Vincenzo Romano <vincenzo.romano@notorand.it>)
Responses Re: (psuedo) random serial for PK or at least UNIQUE NOT NULL?  (Vincenzo Romano <vincenzo.romano@notorand.it>)
List pgsql-general
Tree view 
Vincenzo Romano wrote:
> Hi all.
>
> I'm willing to change an BIGINT ID column (actually a SERIAL8) with a
> BIGINT whose valules are (pseudo)random.
> The main objective is to avoid guessability.
> I whish I could also use it as the PK (as it's now) but that's not
> really important now.
> Any hint?

http://wiki.postgresql.org/wiki/Pseudo_encrypt

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

pgsql-general by date:

Previous
From: Marc Schablewski
Date:
Subject: Re: PG & random() strangeness
Next
From: sunpeng
Date:
Subject: why there are two TargetEntrys in Query when i use "select count(catcode) from pois group by catcode"?