Re: Range Types, constructors, and the type system

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От Jeff Davis
Тема Re: Range Types, constructors, and the type system
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Msg-id 1309451658.10707.141.camel@jdavis
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Ответ на Re: Range Types, constructors, and the type system  ("David E. Wheeler" <david@kineticode.com>)
Ответы Re: Range Types, constructors, and the type system  ("David E. Wheeler" <david@kineticode.com>)
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On Wed, 2011-06-29 at 10:15 -0700, David E. Wheeler wrote:
> On Jun 29, 2011, at 10:13 AM, Florian Pflug wrote:
> 
> > Because there might be more than one range type for a
> > base type. Say there are two range types over text, one
> > with collation 'de_DE' and one with collation 'en_US'.
> > What would the type of
> >  range('foo', 'foooo')
> > be?
> 
> The one that corresponds to the current LC_COLLATE setting.

Then how do you get a text range that doesn't correspond to the
LC_COLLATE setting? Does that mean you couldn't dump/reload from a
system with one collation and get the same values in a system with a
different collation? That would be very strange.

Or, what about other types that just happen to have multiple useful
total orders?

Regards,Jeff Davis



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