Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > In short, I think that while it is possible to define ranges of strings,
> > it is not as useful as one would like.
>
> Note it is not the *range* that is the problem, it is the assumption
> that there's a unique "next" string. There's no unique next in the
> reals or rationals either, but we have no problem considering intervals
> over those sets.
Yeah, agreed. It's easy (I think) to define more useful ranges of
strings if you don't insist in having "next".
--
Alvaro Herrera http://www.CommandPrompt.com/
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