Re: Fixing r-tree semantics

On Sun, Jun 26, 2005 at 09:52:03 -0400, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 
> Now that the module uses GIST instead of r-tree, there's no very strong
> reason why it should provide these operators at all.  I propose removing
> all of << >> &< &> from contrib/cube, leaving only the four
> n-dimensional indexing operators (&& ~= ~ @).
> 
> Any objections?

I seem to remember there being a problem if <, <=, > and >= operators
didn't exist and doing some operations (distinct or group by?) that
required sorting the data type. I am not sure that you are suggesting
that these operators be removed, as you didn't list them in either the
remove or keep list above.