On Tue, Jul 21, 2015 at 5:15 PM, Qingqing Zhou
<zhouqq.postgres@gmail.com> wrote:
> Here is a proposal introducing some debugging infrastructure into the
> core. The basic idea is to allow us to query the planner search space.
> To so do, we can dump related information to csv files and use foreign
> table to query them.
FWIW, this is to tackle(+) optimizer TODO item:
https://wiki.postgresql.org/wiki/Todo#Optimizer_.2F_Executor
Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
Regards,
Qingqing