Re: timestamp typedefs

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Warren Turkal <wturkal(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: timestamp typedefs
Date: 2008-01-04 12:20:26
Message-ID: 20080104122026.GA10442@alvh.no-ip.org
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Warren Turkal escribió:
> On Jan 3, 2008 8:54 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > I wrote:
> > > Do we really need "fhour_t" and "fminute_t" on top of "fsec_t"?
> > > This seems like a bad factorization ...
> >
> > After some more thought: I think that what's bugging me is that "fsec_t"
> > is intended to denote "fractional seconds". The other cases you have
> > here seem not to be intended to be "fractional hours" or "fractional
> > minutes". I'm not quite sure what the right abstraction is, but it
> > doesn't seem to be that.
>
> I thought it meant "field seconds". That's why I used fhour_t and
> fminute_t. I'll think about a better name.

Perhaps what you want here is to define a type for calculation results
(double/int64). Whether it is used in the code for minutes or hours is
irrelevant to the typedef.

--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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