On Wed, Apr 12, 2017 at 12:59 AM, Dmitry Ivanov <d.iva...@postgrespro.ru> wrote:
> Tom Lane wrote: > >> Uh, no, construction of a custom plan node is entirely driven by the >> PlanCustomPath method as far as I can see. You're free to ignore what >> create_scan_plan did and insert your own tlist. >> > > Are you sure? Even if it's true, this targetlist should still contain each > and every Var that's been requested. If I'm correct, the only way to ensure > that is to call build_path_tlist(), which is static (oops!). Perhaps I > could make my own, but it uses replace_nestloop_params() (again, static), > and the problem goes further and further. > As I understand, making build_path_tlist a non-static function would solve the problem. Tom, do you think it's possible? ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company