Re: Including Snapshot Info with Indexes

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Csaba Nagy <nagy(at)ecircle-ag(dot)com>
Cc: Gokulakannan Somasundaram <gokul007(at)gmail(dot)com>, "Florian G(dot) Pflug" <fgp(at)phlo(dot)org>, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Including Snapshot Info with Indexes
Date: 2007-10-09 15:22:50
Message-ID: 470B9CCA.4020602@dunslane.net
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Csaba Nagy wrote:
> You mean postgres should check your function if it is really immutable ?
> I can't imagine any way to do it correctly in reasonable time :-)
>
>

I would say that in the general case it's analogous to the halting
problem, not solvable at all let alone in any reasonable time.

cheers

andrew

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