| From: | Ron Mayer <rm_pg(at)cheapcomplexdevices(dot)com> |
|---|---|
| To: | Sam Mason <sam(at)samason(dot)me(dot)uk> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Absolute value of intervals |
| Date: | 2009-11-02 14:06:39 |
| Message-ID: | 4AEEE76F.2090807@cheapcomplexdevices.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Mon, Nov 02, 2009 at 10:52:40AM +0000, Jasen Betts wrote:
> what's the absolute value of '1month -30 days'::interval
Curious what a use case for taking the absolute value
of such mixed intervals might be.
I could imagine such intervals being used for stuff like
"XXX is due in Y months but needs to be submitted Z days earlier".
But I can't really imagine worrying about if it's positive
or negative until it's evaluated at a particular date (i.e.
reporting "XXX has to be submitted in N days" or
"XXX was supposed to be submitted N days ago").
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