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Re: (psuedo) random serial for PK or at least UNIQUE NOT NULL?

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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.

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