From: Andrew Sullivan <ajs@crankycanuck.ca>
To: pgsql-sql@postgresql.org
Subject: Re: Create Assertion -- Question from a newbie
Date: Mon, 28 Aug 2006 06:46:03 -0400
Message-ID: <20060828104603.GA2492@phlogiston.dyndns.org> (raw)
In-Reply-To: <20060827143949.16261.qmail@web31812.mail.mud.yahoo.com>
References: <20060827135437.GA1869@wolff.to>
<20060827143949.16261.qmail@web31812.mail.mud.yahoo.com>
On Sun, Aug 27, 2006 at 07:39:49AM -0700, Richard Broersma Jr wrote:
> Ah, I see. So the points is that checking the integrity between
> two complete data sets can become a preformace killer.
Not necessarily. More exactly, building a support system that can
check such integrity in a completely general way, such that it could
be used for any arbitrary data, is a hard problem that might destroy
performance. It's also a pretty exotic feature. You might want to
ask on the -hackers list for more detail, though.
A
--
Andrew Sullivan | ajs@crankycanuck.ca
This work was visionary and imaginative, and goes to show that visionary
and imaginative work need not end up well.
--Dennis Ritchie
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To: pgsql-sql@postgresql.org
Cc: ajs@crankycanuck.ca
Subject: Re: Create Assertion -- Question from a newbie
In-Reply-To: <20060828104603.GA2492@phlogiston.dyndns.org>
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