Re: Inconsistent values for 'now'

From: Glen Eustace <geustace(at)godzone(dot)net(dot)nz>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Inconsistent values for 'now'
Date: 2005-04-01 05:07:50
Message-ID: 1112332070.5577.46.camel@agree-6
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> Offhand I'd expect the 'now' to be reduced to a timestamp constant
> at the time the view is created.

Hmmm, my assumption had been that the 'now' constant would be evaluated
everytime the underlying SELECT was build by the planner.

> although personally I'd not feel very comfortable with the idea of a
> view whose contents change over time even when you weren't actually
> doing anything to the database. Maybe you should rethink this idea
> altogether...

This technique was one that was recommended to me by an experienced DBA.
Apparently, he and others use it a lot.

Using the function now() rather than the literal 'now' works as
expected. Thanks.
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