[development] One-to-one tables considered harmful

[Earnie Boyd]

Quoting Robert Douglass <rob at robshouse.net>:

> Not many people are addressing David's actual technical argument 
> about sorting and writing temporary tables and file sorting. So far 
> his argument has made perfect sense to me, and I would not begrudge 
> seeing a comment count column in the node table. I am glad Dries sees 
> this as well.
>

I agree that this makes sense for the time being; we can redesign it 
later in D7.

Earnie