Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> writes:
> I think we also can update the doc about that GROUPS offset mode
> requires ORDER BY clause. Thoughts? Attached patch updates it.
Ooops, I forgot to check the docs. This isn't quite the right fix
though --- the problem is that there's a sentence at the end of that
para that now says exactly the wrong thing. I fixed that.
regards, tom lane