Robert Haas <robertmh...@gmail.com> writes:
> On Wed, Sep 6, 2017 at 3:41 PM, Tom Lane <t...@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


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