"Jim C. Nasby" <decibel(at)decibel(dot)org> writes:
>> but I also hate to burden the developers with rewriting a lot of
>> regression tests when their time could be better spent elsewhere.
> Certainly, but I suspect it's just a matter of adding ORDER BY to
> everything, which just about anyone (even myself!) should be able to do.
Performance is not the issue; test coverage, however, is an issue.
See the comment at the end of
http://developer.postgresql.org/docs/postgres/regress-evaluation.html#AEN22383
regards, tom lane