Bruce Momjian <bruce@momjian.us> writes:
> I am thinking we are best just doing the index chain we already have to
> read.
> If you are modifying the table (like with UPDATE) it makes sense to be
> more aggressive and do the whole page because you know there are
> probably other table modifications, but for an index lookup there isn't
> any knowledge of whether the table is being modified so looking at more
> than we need seems like overkill.
Uh, why would any of this code at all execute during a pure lookup?
regards, tom lane