Re: What does Time.MAX_VALUE actually represent?

From: Gavin Flower <GavinFlower(at)archidevsys(dot)co(dot)nz>
To: Bear Giles <bgiles(at)coyotesong(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: What does Time.MAX_VALUE actually represent?
Date: 2017-12-31 18:41:03
Message-ID: df788100-2215-8be9-d66e-5abcd940cce4@archidevsys.co.nz
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Hi Bear,

Please don't top post!

On 01/01/2018 06:17 AM, Bear Giles wrote:
> ​You don't need to store 25:20 in the database though - your app can
> use a window that treats a day as "from 5 am today until 5 am
> tomorrow" and adds 24:00 to the times for tomorrow.​
>
> Bear
>
> On Sat, Dec 30, 2017 at 2:25 PM, Gavin Flower
> <GavinFlower(at)archidevsys(dot)co(dot)nz <mailto:GavinFlower(at)archidevsys(dot)co(dot)nz>>
> wrote:
>
> On 12/31/2017 03:07 AM, Dave Cramer wrote:
>
> We are having a discussion on the jdbc project about dealing
> with 24:00:00.
>
> https://github.com/pgjdbc/pgjdbc/pull/992#issuecomment-354507612
> <https://github.com/pgjdbc/pgjdbc/pull/992#issuecomment-354507612>
>
> Dave Cramer
>
>
> In Dublin (I was there 2001 to 2004), Time tables show buses just
> after midnight, such as 1:20am as running at the time 2520 - so
> there are visible close to the end of the day.  If you are looking
> for buses around midnight this is very user friendly - better than
> looking at the other end of the time table for 0120.
>
> I think logically that 24:00:00 is exactly one day later than
> 00:00:00 - but I see from following the URL, that there are other
> complications...
>
>
> Cheers,
> Gavin
>
>
>
Sorry, I did not mean to imply that the data base should store values
24:00:00 and greater!

For something like a time table, values like "24:00" and "25:20" should
be generated by software where (and if) appropriate.

Cheers,
Gavin

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