Stephan Szabo wrote:
> > justify_days doesn't currently do anything with this result --- it
> > thinks its charter is only to reduce day components that are >= 30 days.
> > However, I think a good case could be made that it should normalize
> > negative days too; that is, the invariant on its result should be
> > 0 <= days < 30, not merely days < 30.
>
> What about cases like interval '1 month -99 days', should that turn into
> interval '-3 mons +21 days' or '-2 mons -9 days'?
I think it should be the later. It is best to have a single sign, and I
think it is possible in all cases:
'2 mons -1 days'
could be adjusted to '1 mons 29 days'.
--
Bruce Momjian http://candle.pha.pa.us
SRA OSS, Inc. http://www.sraoss.com
+ If your life is a hard drive, Christ can be your backup. +
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