Dean Rasheed <dean.a.rasheed@gmail.com> writes:
> I had always thought that rewriteTargetListIU() only ever added or
> merged items, somehow overlooking the fact that it could also delete
> them. In my defence, it's very easy to get that impression just by
> reading the function's comments. I think it's worth updating those
> comments to mention that. Something like the attached, perhaps.
No objection here.
regards, tom lane
