Re: GiST index performance

Matthew Wakeling <matthew@flymine.org> wrote:
> I have been doing some queries that are best answered with GiST
> indexes

For what definition of "best answered"?

Since an index is only a performance tuning feature (unless declared
UNIQUE), and should never alter the results (beyond possibly affecting
row order if that is unspecified), how is an index which performs
worse than an alternative the best answer?

-Kevin