On 3/11/15 10:16 PM, Tom Lane wrote:
> I think using an OID would break more stuff than it fixes in dependency
> tracking; in particular you would now need an explicit dependency link
> from each column to its table, because the "sub-object" knowledge would
> no longer work.
That might not be a bad thing, but ...
> In any case this patch is going to be plenty big enough
> already without saddling it with a major rewrite of the dependency system.
... is true.