Plan invalidation plans

Heikki Linnakangas <heikki@enterprisedb.com> writes:

Is anyone working on plan invalidation? I might take a stab at it during
the 8.3 cycle. I haven't given it any thought yet, I thought I'd check
first to avoid duplicate work.

I'd been planning to tackle it too, but would be happy to let someone
else do it; or we could cooperate.

regards, tom lane