From: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> |
---|---|
To: | Brian Knox <laotse(at)aol(dot)net> |
Cc: | <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: DISTINCT ON troubles |
Date: | 2004-02-19 21:51:26 |
Message-ID: | Pine.LNX.4.33.0402191451120.7643-100000@css120.ihs.com |
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Thread: | |
Lists: | pgsql-sql |
On Thu, 19 Feb 2004, scott.marlowe wrote:
> On Thu, 19 Feb 2004, Brian Knox wrote:
>
> > ( sorry if this is a repeat, my mail server is being wonky today )
> >
> > I'm looking for a way, within SQL, given a starting date and an ending
> > date, to get back the number of months between the start and end date.
> > If I "SELECT end_date - start_date", I get back an interval in days; I
> > need months.
>
> Maybe date_part?
>
> select date_part('month','2004-08-02 12:00:00'::timestamp) -
> date_part('month','2004-05-01 12:00:00'::timestamp);
Note that I think you need a +1 at the end of that...
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