Peter Geoghegan <pg@bowt.ie> writes:
> To be clear, I don't think that it's essential that we have equivalent
> behavior in those cases where the patch applies its transformations. I
> have no objections to committing the patch without any handling for
> that.
Oy. I don't agree with that *at all*. An "optimization" that changes
query semantics is going to be widely seen as a bug.
regards, tom lane
