Andrey Borodin <amborodin86(at)gmail(dot)com> writes:
> I saw a thread in a social network[0] about GROUP BY ALL. The idea seems useful.
Isn't that just a nonstandard spelling of SELECT DISTINCT?
What would happen if there are aggregate functions in the tlist?
I'm not especially on board with "ALL" meaning "ALL (oh, but not
aggregates)".
regards, tom lane