Re: add_partial_path() may remove dominated path but still in use - Mailing list pgsql-hackers

2019年1月11日(金) 5:52 Robert Haas <robertmhaas@gmail.com>:
>
> On Wed, Jan 9, 2019 at 12:44 AM Kohei KaiGai <kaigai@heterodb.com> wrote:
> > So, is it sufficient if set_rel_pathlist_hook is just relocated in
> > front of the generate_gather_paths?
> > If we have no use case for the second hook, here is little necessity
> > to have the post_rel_pathlist_hook() here.
> > (At least, PG-Strom will use the first hook only.)
>
> +1.  That seems like the best way to be consistent with the principle
> that we need to have all the partial paths before generating any
> Gather paths.
>
Patch was updated, just for relocation of the set_rel_pathlist_hook.
Please check it.

Thanks,
--
HeteroDB, Inc / The PG-Strom Project
KaiGai Kohei <kaigai@heterodb.com>