Re: BUG #15307: Low numerical precision of (Co-) Variance

Dean Rasheed <dean.a.rasheed@gmail.com> writes:
> The next question is whether or not to back-patch this. Although this
> was reported as a bug, my inclination is to apply this to HEAD only,
> based on the lack of prior complaints. That also matches our decision
> for other similar patches, e.g., 7d9a4737c2.

+1 for no back-patch.  Even though the new results are hopefully more
accurate, they're still different from before, and that might cause
issues for somebody if it happens in a stable branch.

            regards, tom lane