Re: interval output format available that removes ambiguity ?

From: Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: interval output format available that removes ambiguity ?
Date: 2004-05-05 14:23:59
Message-ID: 20040505162359.A647@hermes.hilbert.loc
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Tom,

> Just subtract the two timestamps (or dates) instead of using age().
> Then you get an interval that has no month component.
*That* was what I was looking for. Thanks !

> He didn't say that. He said that when the system *must* convert a
> month-based interval to days and it has no date reference for it,
> it uses 30 days. Something like "now() + '1 month'::interval"
> will do the "right thing". This IMHO is the main application of
> intervals with month components ...
I knew PostgreSQL would do the Right Thing(tm) where possible
and assume reasonable defaults where ambiguity exists. I just
didn't know how to tell it to return the right version of the
Right Thing.

As usual, sage advice.

Karsten
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