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Re: Why extract( ... from timestamp ) is not immutable?

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On Wednesday, January 25, 2012 7:48:34 am hubert depesz lubaczewski wrote:
> On Wed, Jan 25, 2012 at 07:44:14AM -0800, Adrian Klaver wrote:
> > > I thought that this is what I will achieve with extract(epoch from
> > > now() at time zone 'UTC') but clearly it doesn't work.
> > > So what options do I have?
> > 
> > Isn't extract(epoch from now()) getting what you want?
> 
> you can't make index on it.

I am afraid I am not following. So you can make an index on?:

extract(epoch from now() at time zone 'UTC')

> 
> Best regards,
> 
> depesz

-- 
Adrian Klaver
adrian.klaver@xxxxxxxxx

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