=?iso-8859-1?Q?Hans-J=FCrgen_Sch=F6nig?= <postgres(at)cybertec(dot)at> writes:
> here is the patch again.
This patch seems remarkably documentation-free. What is it trying to
accomplish and what is it doing to the planner data structures?
(Which do have documentation BTW.) Also, what will it do to runtime
in normal cases where the pathkeys list isn't that long?
regards, tom lane