Maxim Boguk <maxim.bo...@gmail.com> writes: > Reading the code - probably the lowest hanging fruit is to make > 'The current multiplier of 1000 * cpu_operator_cost' configurable in the > future versions.
I'm wondering whether we should try to make the planner not expend the effort in the first place, but leave partition pruning to the executor, at least in cases where it can determine that that will be possible. regards, tom lane