find it out, by other means than checking at least two million
rows?
This means, that the user should have a possibility to tell the lower
bound for the number of rows for sampling.
Regards,
Marko Ristola
Tom Lane wrote:
Josh Berkus writes:
Overall, our formula is inherently conservati
um
values
and the histogram of the 100 distinct values).
Marko Ristola
Greg Stark wrote:
"Dave Held" <[EMAIL PROTECTED]> writes:
Actually, it's more to characterize how large of a sample
we need. For example, if we sample 0.005 of disk pages, and
get an estimate, and then