Re: Range Types: empty ranges

On Fri, Feb 11, 2011 at 1:50 PM, Kevin Grittner
<Kevin.Grittner@wicourts.gov> wrote:
> Josh Berkus <josh@agliodbs.com> wrote:
>
>> if I, in one of my applications, accidentally defined something
>> as having the range '('15:15:00','15:15:00')', I would *want* the
>> database to through an error and not accept it.
>
> I can agree with that, but I think that range '[15:15:00,15:15:00)'
> should be valid as a zero-length range between, for example,
> '[15:00:00,15:15:00)' and '[15:15:00,15:30:00)'.

How would that actually work?  I kind of agree with Josh: I'd be
inclined to make the type input function boot such constructs at the
door.

-- 
Robert Haas
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