On Mon, Mar 31, 2014 at 10:01 PM, Sergey Konoplev <gray...@gmail.com> wrote:
> On Thu, Mar 27, 2014 at 3:26 PM, Sergey Konoplev <gray...@gmail.com> > wrote: > > On Sun, Sep 22, 2013 at 4:38 PM, Stas Kelvich <stas.kelv...@gmail.com> > wrote: > >> Here is the patch that introduces kNN search for cubes with euclidean, > taxicab and chebyshev distances. > > > > What is the status of this patch? > > Referring to our private conversation with Alexander Korotkov, the > patch is in WIP state currently, and, hopefully, will be ready by 9.5. > I'm ready to actively participate in its testing on a real world > production set of data. > > I'm not sure if it is doable at all, but are there any possibility to > implement here, or, what would be just great, any ready/half ready > solutions of a Hamming distance based kNN search? Cube dealing with float8 numbers. There is another patch making it work with other number types. But Hamming distance is for bit vectors, isn't it? ---- With best regards, Alexander Korotkov.