Tomas Vondra <tomas.vondra@enterprisedb.com> writes:
> ... My personal opinion is that it's a rare regression. Other
> optimization patches have similar rare regressions, except that David
> spent so much time investigating this one it seems more serious.
Yeah, this. I fear we're making a mountain out of a molehill. We have
committed many optimizations that win on average but possibly lose
in edge cases, and not worried too much about it.
regards, tom lane
