> As far as I examined, those views only count several things like fetched
> rows and pages, and cache hits.
> I would like something that really measures values like random_page_cost
> or cpu_tuple_cost that are hardware dependent.
> I assume such thing does not exist?

Nope.  You gotta whip out your calculator and run some queries.


Josh Berkus
Aglio Database Solutions
San Francisco

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