Re: What kind of index to use for many rows with few unique

On 2 Dec 2002 at 15:15, Joe Conway wrote:

> David F. Skoll wrote:
> > No, I'm sure a btree will work.  However, won't the index be
> > inefficient (i.e., very flat) if there are many entries with the same
> > value?  Or is this not a problem?
> >
>
> If you're concerned, why not try a partial index?

FWIW, partial indexes didn't help for my distributions.  But btrees
were satisfactory.
--
Dan Langille : http://www.langille.org/