Peter Geoghegan <pg(at)heroku(dot)com> writes:
> Attached patch adjusts BRIN regression tests to make a non-obvious
> dependency on tuple order explicit. Currently, an index-only scan plan
> is used by the query that I've adjusted. I'd rather be sure that that
> continues.
Applied with a correction: the ordering that was being used was really
"ORDER BY thousand, tenthous" because that's the order of the relevant
index.
regards, tom lane