On Fri, Jan 03, 2020 at 09:33:35AM -0500, Jeff Janes wrote:
> Of course this doesn't really answer your question, as the
> separately-reported costs of a bitmap heap and bitmap index scan are
> unlikely to match what the costs would be of a regular index scan, if they
> were reported separately.
I
On Fri, Jan 3, 2020 at 9:14 AM Justin Pryzby wrote:
> Is it possible to tell what component of the cost estimate of an index
> scan is
> from the index reads vs heap ?
>
Not that I have found, other than through sprinkling elog statements
throughout the costing code. Which is horrible, because
