Re: Index on timestamp field, and now()

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Denis Perchine <dyp(at)perchine(dot)com>
Cc: lockhart(at)fourpalms(dot)org, pgsql-general(at)postgresql(dot)org
Subject: Re: Index on timestamp field, and now()
Date: 2002-02-12 15:52:01
Message-ID: 21751.1013529121@sss.pgh.pa.us
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Denis Perchine <dyp(at)perchine(dot)com> writes:
> Oups. Sorry my mistake. But 7.2's limited understanding is enough to do
> constant propagation as far as I can see. :-)))

Correct, it's the now() function that's not cachable --- but you can get
around that with the "timestamp 'now'" kluge.

regards, tom lane

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