On Thu, May 14, 2015 at 1:09 PM, Cory Tucker <cory.tuc...@gmail.com> wrote:
> That produces pretty much the same results as the CROSS JOIN I was using > before. Because each "my_value" in the table are different, if I group on > just their value then I will always have the full result set and a bunch of > essentially duplicated results. > > Any other ideas/options? > > how do you want to solve the problem: A is similar to B B is similar to C A IS NOT similar to C ? I'm not sure that PostgreSQL is the best tool to solve clustering problems...though my experience with them is minimal. David J.
