Re: [pgsql-advocacy] Function which gives back the

> On Mon, Mar 28, 2005 at 17:52:21 +0200,
>   Virgile Beddok <virgile.beddok@igd.fraunhofer.de> wrote:
>> Thanks for the help.
>> I'll try this for the one-dimensional search.
>> For the muti-dimensional one, which tools of postgresql could I use for
>> this metric function, or this indexable search, which Bruno mentioned.
>> Do they already exist?
>> What about using a tree for that? Is there one which could fit to such a
>> "nearest neighbour search", or do I have to implement it myself...
>
> You could look at boxes or cubes. You haven't said enough about your
> multidimensional problem to give specific answers.
>

I just want to know if there is an existing and implemented function, or
tree, in Postgres which allows me to directly perform a "nearest neighbour
search" on multidimensional vectors.