On Thu, Aug 25, 2011 at 11:39, Dean Rasheed <dean.a.rash...@gmail.com>wrote:

> My first thought was to have some general way of adding or subtracting
> an interval at the end of an input timestamp, eg. by adding another
> couple of special values - "plus <interval>" and "minus <interval>".
> This would allow things like:
>
> TIMESTAMPTZ 'today minus 5 days'
> TIMESTAMPTZ 'now plus 2 hours'
>

Funny you should mention intervals...

timestamptz 'today' - interval '5 days'
timestamptz 'now' + interval '2 hours'

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