On Wed, 2007-07-04 at 17:13, Christopher Browne wrote: > Interestingly, the query plans for 100 and 1000 are much the same: > > - Bitmap Heap Scan on foo atop > 100 (or 1000) ORed Bitmap Index Scans. > > I was fully expecting to discover some differing query plan; it was > quite a surprise to discover both: > > a) That the plans were essentially identical, and > b) That it's more expensive to delete 1K tuples at a shot than 100.
OK, that surprises me too... and it would be interesting to know why is that so ? It is completely counterintuitive... Cheers, Csaba. _______________________________________________ Slony1-general mailing list [email protected] http://lists.slony.info/mailman/listinfo/slony1-general
