… case, these two variables deserve a little explanation. Both counters indicate the number of times the corresponding storage engine API function… is usually called for each row of a full or partial table scan. PS: I’m being a bit vague about…
Comment: Report from OSCON 2008
EDB may have not mentioned or compared itself against MySQL at OSCON, but biased and partially incorrect product comparisons like this one clearly indicate who they are targetting: http://www.enterprisedb.com/downloads/whitepapers/PGvsMySQL_LowRes.pdf

