Tom Lane wrote: > Matteo Beccati <[EMAIL PROTECTED]> writes: >> Tom Lane ha scritto: >>> Matteo Beccati <[EMAIL PROTECTED]> writes: >>>> I cannot see anything bad by using something like that: >>>> if (histogram is large/representative enough) >>> Well, the question is exactly what is "large enough"? I feel a bit >>> uncomfortable about applying the idea to a histogram with only 10 >>> entries (especially if we ignore two of 'em). With 100 or more, >>> it sounds all right. What's the breakpoint? > >> Yes, I think 100-200 could be a good breakpoint. > > I've committed this change with (for now) 100 as the minimum histogram > size to use. Stefan, are you interested in retrying your benchmark?
sure - but I'm having hardware (harddisk firmware) related issues on my testbox which will take a few further days to be resolved ... Stefan ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
