Robert Haas <robertmhaas@gmail.com> writes:
> I think we should apply the same criteria to this that we
> have to some other patches that have been rejected (like the
> extensible-rmgr patch Simon submitted for CommitFest 2008-11), namely,
> requiring that the extension mechanism be submitted together with at
> least two examples of how it can be used to interesting and useful
> things, bundled as one or more contrib modules.
I wouldn't necessarily insist on actual contrib modules. But fully
worked-out example uses would certainly go a long way toward proving
that the hook is good for something. In previous cases we've sometimes
found out that a proposed hook definition isn't quite right after we
try to use it.
regards, tom lane