Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> writes:
> Here's a single character patch to mark
> that function PARALLEL UNSAFE.
Ugh. Clearly a bug.
> Obviously that'll affect only newly
> initdb'd clusters after this patch, but that's what people have in a
> pg_upgrade scenario.
We're a bit fortunate on that. I wonder if there's some less
trial-and-error way of discovering that functions are or are not
parallel safe.
> This goes back to d89f06f0482 so I think it should probably be
> back-patched to 9.6 and 10.
Roger, will do.
regards, tom lane