Re: Imprecision of DAYS_PER_MONTH

Am Donnerstag, den 21.07.2005, 10:48 -0400 schrieb Tom Lane:
> Another problem with this patch is the search-and-replace substitution
> of "SECS_PER_MINUTE" for "60", when in point of fact there are two
> different meanings of "60" in this context.  For instance, this
> code has no problem:
> 
> ! int            Log_RotationAge = 24 * 60;
> 
> but this code looks like it has a units error:
> 
> ! int            Log_RotationAge = HOURS_PER_DAY * SECS_PER_MINUTE;
> 
> You need a "MINS_PER_HOUR" or some such if you don't want people
> having to look twice at the code.
> 
> BTW, if you actually wanted to improve readability, defining a
> SECS_PER_YEAR value and replacing the various occurrences of
> "36525 * 864" with it would help.
> 
IIRC the number of seconds in a year is far from a constant.

-- 
Tino Wildenhain <tino@wildenhain.de>