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 <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +