On Tue, 2011-01-04 at 14:18 +0000, Florian Weimer wrote:
> * 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?
>
Can you clarify what you mean? I don't know what the "eqsel hint" is.
Regards,Jeff Davis