Josh Berkus <josh(at)agliodbs(dot)com> writes:
> I really don't see the value in making a command substantially less
> intuitive in order to avoid a single keyword, unless it affects areas of
> Postgres outside of this particular command.
It's the three variants to do two things that I find unintuitive.
As I mentioned a minute ago, dropping the "abbreviated" syntax and
just having BEFORE and AFTER would be a good way of achieving
symmetry if you find that important.
regards, tom lane