Heikki Linnakangas <hlinnakan...@vmware.com> writes:
> For a circle, the GiST index stores a bounding box of the circle. The
> new fetch function reverses that, calculating the radius and center of
> the circle from the bounding box.
> Those conversions lose some precision due to rounding. Are we okay with
> that?
That seems like a nonstarter :-(. Index-only scans don't have a license
to return approximations. If we drop the behavior for circles, how much
functionality do we have left?
regards, tom lane
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