On Sat, Jul 05, 2003 at 09:51:16PM -0400, Tom Lane wrote: > but I haven't really thought through the details. In any case, that > would be extra bookkeeping needed during every transaction start, > so I'd want to see proof of a generally-useful improvement in return.
For what it's worth, we have redesigned around this very problem, because we had a table, vacuumed every 5 minutes, which was always > 50% dead tuples. Of course, we _were_ able to redesign around it, but I'm not sure whether we just moved the problem to a new location. We'll see in the upcoming weeks. (Our testing says no, but I always figure there's _some_ strange client case I never thought of.) A -- ---- Andrew Sullivan 204-4141 Yonge Street Liberty RMS Toronto, Ontario Canada <[EMAIL PROTECTED]> M2P 2A8 +1 416 646 3304 x110 ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match