On Tue, Jul 28, 2015 at 12:08 PM, Alvaro Herrera
<alvherre@2ndquadrant.com> wrote:
> I would have a tuplestore, and the planner code would push tuples to it.
> After the planning is done, EXPLAIN can read and return tuples from the
> store to the user.
>
Not sure if I got it: so EXPLAIN will return tuples to libpq client. But
how do we store these returned tuples (RelOptInfo, Path etc) so we can
throw queries against them later?
Something like this:
INSERT INTO my_space SELECT (EXPLAIN SELECT ...); -- won't get parsed
Regards,
Qingqing