On Mon, 2011-10-10 at 12:53 -0400, Tom Lane wrote:
> > The "canonicalize" function (specified at type creation time) allows you
> > to specify the canonical output representation. So, I can change the
> > canonical form for discrete ranges to use '[]' notation if we think
> > that's more expected.
>
> What if I write '[1,INT_MAX]'::int4range? The open-parenthesis form will
> fail with an integer overflow. I suppose you could canonicalize it to
> an unbounded range, but that seems unnecessarily surprising.
So, are you suggesting that I canonicalize to '[]' then? That seems
reasonable to me, but there's still some slight awkwardness because
int4range(1,10) would be '[1,9]'.
Regards,Jeff Davis