Andres Freund <andres(at)anarazel(dot)de> writes:
> FWIW, I think we should consider getting rid of attcacheoff. I doubt it's
> worth its weight these days, because deforming via slots starts at the
> beginning anyway. The overhead of maintaining it is not insubstantial, and
> it's just architecturally ugly to to update tupledescs continually.
I'd be for that if we can convince ourselves there's not a material
speed penalty. As you say, it's quite ugly.
regards, tom lane