Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> istrue
> isfalse
> isnottrue
> isnotfalse
> Should we remove those now? I suppose there is a slight chance that
> 10 year old dumps might contain references to them? But it is easy to
> reimplement them in user-space should anyone need them.
Of course the other side of the coin is that it's not costing us
anything noticeable to leave them there. But I have no strong objection
to removing 'em.
If we are going to get rid of them, I'd say we should also nuke
nullvalue() and nonnullvalue().
regards, tom lane