> Or even better an offset into the datatable for the earliest deleted > row, so if you have a table where you update the row shortly after > insert and then never touch it vacuum can skip most of the table > (inserts are done at the end of the table, right?)
Inserts are done at the end of the table as a last resort. But anyway, how do you handle a rolled back insert? ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend