Re: Macros for time magic values

On Mon, 2011-03-14 at 10:42 -0400, Bruce Momjian wrote:
> Simon Riggs wrote:
> > On Sat, 2011-03-12 at 22:29 +0200, Peter Eisentraut wrote:
> > > On fre, 2011-03-11 at 12:50 -0500, Bruce Momjian wrote:
> > > > It has bothered me that many of our time routines use special magic
> > > > constants for time values, e.g. 24, 12, 60, etc.
> > > > 
> > > > The attached patch changes these magic constants to macros to clarify
> > > > the code.  I would like to apply this for 9.1 as a cleanup.
> > > 
> > > I think it's much clearer with the plain numbers.
> > 
> > Yeh. It's not like the values 24, 12 or 60 were going to change.
> 
> Well, I find the macro names clearer because it removes domain-specific
> knowledge from code that is already complex, e.g '24' represents what?
> It is similar to the argument of why use C when you can use assembler. 
> I find the macros a pure code clarity win.  If most people don't we
> should remove them consistently.

PGSQL_EMOTION_GOOD_ARGUMENT

-- Simon Riggs           http://www.2ndQuadrant.com/books/PostgreSQL Development, 24x7 Support, Training and Services