Re: WIP: Range Types

* Jeff Davis:

> 4. For the GiST penalty function, and perhaps some picksplit algorithms,
> it might be nice to know the length of a range, or do some other kinds
> of math. It introduces a lot of complexity to try to define math
> functions for each subtype, and try to make sure they behave sanely. So
> I was thinking that the user might need to specify a function that
> converts the subtype into a float that approximates a value's position
> in the total order.

Doesn't the eqsel hint already provide this information?

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