Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> writes:
> So I think we should either rename e_i_c or keep it as is, and then also
> have a new GUC. And then translate the values between those (but that
> might be overkill).
Please DON'T try to have two interrelated GUCs for this. We learned
our lesson about that years ago.
I think dropping the existing GUC is a perfectly sane thing to do,
if the new definition wouldn't be compatible. In practice few
people will notice, because few will have set it.
regards, tom lane