On 2017-02-24 18:04:18 -0500, Tom Lane wrote:
> Concretely, something like the attached. This passes regression tests
> but I've not pushed on it any harder than that.
Heh, I'd just gotten something that didn't immediately crash anymore ;)
Running your patch against Jeff's test-case, verified before that I
could easily reproduce the O(N^2) cost.
- Andres