I don't believe DROP is necessary; use TRUNCATE instead. No need to re-create dependent objects. "Peter Childs" <peterachilds@xxxxxxxxx> wrote .. > On 24/11/06, Arnau <arnaulist@xxxxxxxxxxxxxxxxxx> wrote: > > Hi all, > > > > I have a table with statistics with more than 15 million rows. I'd > > like to delete the oldest statistics and this can be about 7 million > > rows. Which method would you recommend me to do this? I'd be also > > interested in calculate some kind of statistics about these deleted > > rows, like how many rows have been deleted for date. I was thinking in > > creating a function, any recommendations? > > > Copy and drop old table. If you delete you will have a massive problem > with a bloated table and vacuum will not help unless you expect the > table to grow to this size regulally otherwise vacuum full will take > ages. > > Peter. > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org