On Sun, 2020-12-27 at 09:59 -0800, Jeff Davis wrote:
> I think I just need to disable sort. Because there is a () group, we
> don't need a Sort in the plan to exercise the bug.
That still didn't stabilize the test, so I removed the EXPLAIN part of
the test and left the execution test in place.
The planning for grouping sets still uses work_mem in the knapsack
algorithm, so something about the other platforms is not considering
the plan with all hashes (except the () grouping set). I think we can
tune the test to be stable, but it doesn't seem critical so I think
we're fine just doing the execution-time test.
Regards,
Jeff Davis
