Re: [PATCH] Incremental sort (was: PoC: Partial sort)

Tomas Vondra <tomas.vondra@2ndquadrant.com> writes:
> On Mon, Apr 06, 2020 at 04:14:38PM -0400, Tom Lane wrote:
>> Did you ever use force_parallel_mode = regress?

> Ah, not sure - probably not in this round of tests and there were some
> changes in the explain code. Thanks for the hint.

Locally, things pass without force_parallel_mode, but turning it on
produces failures that look similar to rhinoceros's (didn't examine
other BF members).  At a guess, looks like missing or incorrect logic
for propagating some state back from parallel workers.

            regards, tom lane