Robert Haas <robertmhaas@gmail.com> writes:
> I don't, however, agree with his contention that this is easy to
> implement. It would be easy to implement something that sucked. It
> would be hard to implement something that actually helped in the cases
> where the existing settings aren't already sufficient.
Exactly. A hint system that actually did more good than harm would be a
very nontrivial project. IMO such effort is better spent on making the
optimizer smarter.
regards, tom lane
