Josh Berkus wrote:
Mischa,
Okay, although given the track record of page-based sampling for
n-distinct, it's a bit like looking for your keys under the streetlight,
rather than in the alley where you dropped them :-)
Bad analogy, but funny.
The issue with page-based vs. pure random sampling is th
Tom Lane wrote:
"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
On Wed, Apr 06, 2005 at 06:09:37PM -0400, Tom Lane wrote:
Can anyone suggest a more general rule? Do we need for example to
consider whether the relation membership is the same in two clauses
that might be opposite sides of a range restric
