Re: Parallelize correlated subqueries that execute within each worker

On Fri, Dec 3, 2021 at 2:35 AM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>
> On Mon, Nov 15, 2021 at 10:01:37AM -0500, Robert Haas wrote:
> > On Wed, Nov 3, 2021 at 1:34 PM James Coleman <jtc331(at)gmail(dot)com> wrote:
> >> As I understand the current code, parallel plans are largely chosen
> >> based not on where it's safe to insert a Gather node but rather by
> >> determining if a given path is parallel safe. Through that lens params
> >> are a bit of an odd man out -- they aren't inherently unsafe in the
> >> way a parallel-unsafe function is, but they can only be used in
> >> parallel plans under certain conditions (whether because of project
> >> policy, performance, or missing infrastructure).
> >
> > Right.
>
> Please note that the CF bot is complaining here, so I have moved this
> patch to the next CF, but changed the status as waiting on author.

I rebased this back in December, but somehow forgot to reply with the
updated patch, so, here it is finally.

Thanks,
James Coleman