Re: R-Trees in PostgreSQL

Also for one-dimensional ranges, consider contrib/seg

P.

On Mon, Nov 2, 2009 at 4:41 PM, Jeff Davis <pgsql(at)j-davis(dot)com> wrote:
> On Tue, 2009-11-03 at 00:25 +0100, Viktor Rosenfeld wrote:
>> I'd like to know what kind of functions I have to implement for a R-Tree
>> index on numeric columns,
>
> NUMERIC is scalar, so an R-Tree doesn't make much sense. You can install
> btree_gist (a contrib module) to be able to use numeric columns as part
> of a GiST index.
>
> If you have more complex spatial data, you should look into PostGIS.
>
> Regards,
>        Jeff Davis
>
>
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