On Fri, Oct 1, 2010 at 1:56 AM, Jesper Krogh <jesper@krogh.cc> wrote:
> On 2010-09-30 20:33, Marcelo Zabani wrote:
>>
>> If you can also pinpoint me to where I can find this sort of information
>> (index utilization and planning, performance tuning), I'd be very
>> grateful.
>> Thank you already,
>>
>
> Isn't this what the knngist patches are for?
> https://commitfest.postgresql.org/action/patch_view?id=350
>
> http://www.sai.msu.su/~megera/wiki/knngist
Those are for when you want to order by distance; the OP is trying to
*filter* by distance, which is different.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company