Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2013-09-06 10:13:23 -0400, Tom Lane wrote:
>> Well, if you feel an absolute compulsion to make them consistent, I'd
>> go with making SET disallow creation of variables with names the file
>> parser wouldn't recognize. But why is it such a bad thing if SET can
>> do that?
> Also, ALTER SYSTEM SET is going to need a similar restriction as well,
> otherwise the server won't restart although the GUCs pass validation...
Well, sure, but I would think that ALTER SYSTEM SET should be constrained
to only set known GUCs, not invent new ones on the fly.
regards, tom lane