On Sun, Apr 11, 2010 at 10:13 PM, Florian G. Pflug <f...@phlo.org> wrote: > If continuous updates prove to be too hard initially, you could instead > update the view on select if it's outdated. Such a materialized view > would be a kind of inter-session cache for subselects. > > The hard part would probably be to figure out how to decide whether the > view is outdated or not, and to deal with two concurrent transactions > trying to use an outdates view (and both trying to refresh it). What > makes the second problem hard is that you wouldn't want one of the > transactions to wait for the other to complete, because this is not how > SELECTs traditionally behave.
Well, the proposed project is to create views that only get refreshed manually. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers