Re: UUID/GUID discussion leading to request for

On Thu, 2006-09-07 at 14:46 +0200, Martijn van Oosterhout wrote:
> On Thu, Sep 07, 2006 at 01:27:21PM +0200, Gevik Babakhani wrote:
> > To my opinion only some of relational/compare operations like == and !=
> > apply to such values. comparing guid >= guid or md5 < md5 is also
> > meaningless.
> 
> <snip>
> 
> > 4. GUID type must have the ability to be indexed, grouped, ordered,
> > DISTINCT... but not MAX(), MIN() or SUM()....
> 
> Err, for "ordered" you need to define <, >, >=, <=, which means you're
> going to get MAX, and MIN for free...
> 

Yes indeed, I just want to address that guid > guid or any other
operation like that has no meaning. 

> > I also think we should have the GUID/UUID as a datatype and not just
> > functions handling hexstring.
> 
> Sure, but that will be the I/O format, right?

Yes, I/O format as part of the datatype and not a separate function.

> 
> Have a nice day,
>