Re: casting tsrange to tstzrange doesn't seem to work?

On Friday, July 5, 2013, Jeff Davis wrote:

> On Tue, 2013-06-11 at 14:05 -0700, Joe Van Dyk wrote:
> > # select tsrange(null)::tstzrange;
> > ERROR: cannot cast type tsrange to tstzrange
> > LINE 1: select tsrange(null)::tstzrange;
> >
> I agree that there should be a cast between tsrange and tstzrange.
>
> Unfortunately, this cant work generally for all range types, because the
> total order might be different. For instance, we can't cast between a
> textrange and int4range, because:
>
> ['09','1']
>
> is a valid text range, but:
>
> [9,1]
>
> is not.
>
> Regards,
> Jeff Davis
>

Worth it to file a bug for this?