Re: Index Tuning Features

On 10/10/06, Mark Woodward <pgsql@mohawksoft.com> wrote:
> I think the idea of "virtual indexes" is pretty interesting, but
> ultimately a lesser solution to a more fundimental issue, and that would
> be "hands on" control over the planner. Estimating the effect of an index
> on a query "prior" to creating the index is a great idea, how that is done
> is something different than building concensus that it should be done.
>
> Another thing that this brings up is "hints" to a query. Over the years, I
> have run into situation where the planner wasn't great.  It would be nice
> to try forcing different strategies on the planner and see if performance
> caan be improved.
>

you can do this by setting enable_"access_method" type parameters.

-- 
regards,
Jaime Casanova

"Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs and the universe trying
to produce bigger and better idiots.
So far, the universe is winning."                                      Richard Cook