Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> Tom Lane wrote:
>> Hmm, I tried to reproduce this and could not. I experimented with
>> various permutations of this:
> This problem is probably related to commit 9b013dc238c, which AFAICS is
> only in pg10, not 9.5.
You're right, I was testing on HEAD, so that patch might've obscured
the problem. But the code looks like it could still be O(N^2) in
some cases. Will look again later.
regards, tom lane
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