[postgis-devel] 3d kNN GiST?

[Sandro Santilli]

On Fri, Jun 13, 2014 at 09:12:32AM -0700, Paul Ramsey wrote:
> No, that won’t return indexed results. To do so will require actually adding a distance index op on the gist_nd indexes (the ones underlying the &&& operator)

I'm proposing <--> and <##> for those ones, so we build on the
"add one more symbol" habit for getting the N-D behavior.

I hope there's a way to add operators to operator classes w/out
having to drop-cascade on existing indexes!

Hubert, I suggest you file an enhancement ticket to track this further.

--strk;