Robert Haas <robertmhaas@gmail.com> writes:
> On Wed, Sep 6, 2017 at 3:41 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I'm not entirely following. I thought that add_path was set up to treat
>> "can be parallelized" as an independent dimension of merit, so that
>> parallel paths would always survive.
> Here, the Gather path is not parallel-safe, but rather
> parallel-restricted:
Ah, right, the problem is with the Gather not its sub-paths.
>> Might be a tad messy to rearrange things that way.
> Why do you think I wanted you to do it? :-)
I'll think about it.
regards, tom lane