From: Karel Zak <zakkr@zf.jcu.cz>
To: Peter Eisentraut <peter_e@gmx.net>
Cc: Josh Berkus <josh@agliodbs.com>
Cc: Rajesh Kumar Mallah <mallah@trade-india.com>
Cc: Christoph Haller <ch@rodos.fzk.de>
Cc: pgsql-sql@postgresql.org
Cc: jasiek@klaster.net
Subject: Re: Formatting intervals..
Date: Fri, 21 Mar 2003 11:30:11 +0100
Message-ID: <20030321103010.GA7635@zf.jcu.cz> (raw)
In-Reply-To: <Pine.LNX.4.44.0303201925510.2112-100000@peter.localdomain>
References: <20030318074447.GG5283@zf.jcu.cz>
<Pine.LNX.4.44.0303201925510.2112-100000@peter.localdomain>
On Fri, Mar 21, 2003 at 11:05:32AM +0100, Peter Eisentraut wrote:
> Karel Zak writes:
>
> > test=# select to_char('3month 15d 4h 10m'::interval, 'DD-Mon HH24:MI:SS');
> > to_char
> > -----------------
> > 15-Mar 04:10:00
>
> This doesn't seem correct. First, you can't make "March" out of "3
> months". Second, 3 months, 15 days and some hours after the start of the
> year (if that definition were valid, which it isn't) is on March 16.
The interval_to_char() calls interval2tm() and from 'tm' creates output like
each other to_char() function.
You can try to write better interval2tm() for fix it. I haven't time for this now.
> Third, why do you have to write "HH24"? Surely no one would want to write
> out intervals using a 12-hour clock?
select to_char('5d 13h 10m 5s'::interval, 'HH or HH24:MI:SS');
to_char
----------------
01 or 13:10:05
Karel
--
Karel Zak <zakkr@zf.jcu.cz>
http://home.zf.jcu.cz/~zakkr/
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To: pgsql-sql@postgresql.org
Cc: zakkr@zf.jcu.cz, peter_e@gmx.net, josh@agliodbs.com, mallah@trade-india.com, ch@rodos.fzk.de, jasiek@klaster.net
Subject: Re: Formatting intervals..
In-Reply-To: <20030321103010.GA7635@zf.jcu.cz>
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