Simon Riggs wrote: > Currently, the planner and executor are mostly independent of each > other: the planner doesn't really know when the plan will be executed, > and the executor doesn't know how recently the plan was made. > > We can work out the various paths through the traffic cop to see when > a plan will be a "one-shot" - planned and then executed immediately, > then discarded.
I was also hoping someday allow plans that are to be immediately executed to probe the buffer cache to determine how expensive index scans would be. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers