Re: *_collapse_limit, geqo_threshold

Robert Haas <robertmhaas@gmail.com> wrote: 
> if we think it's reasonable for people to want to explicitly specify
> the join order
Regardless of the syntax (GUC or otherwise), that is an optimizer
hint.  I thought we were trying to avoid those.
Although -- we do have all those enable_* GUC values which are also
optimizer hints; perhaps this should be another of those? 
enable_join_reorder?
-Kevin