On Thu, Jul 10, 2008 at 3:45 AM, Suresh Borse <s.borse@xxxxxxxxxxxxx> wrote: >> The view executes very faster for the first time. >> When I execute the view again and again suddenly it gets slow or it gets >> hang. >> The view contains multi-table joins. Uh, how many joins? If you're exceeding geqo_threshold then you would get plans with a random component to them. You might want to increase the threshold, although planning time would probably go up. Also, what PG version is this? regards, tom lane
