Re: guc patch: Make variables fall back to default values

Joachim Wieland <joe@mcknight.de> writes:
> On Tue, Mar 13, 2007 at 11:08:52AM -0400, Tom Lane wrote:
>> My point here that you shouldn't be using var->group to make any
>> semantic choices.  That's supposed to be a label for user convenience,
>> nothing else.

> Then what is the criterion to tell what is a custom variable and what isn't?

Why do you need to tell that?  IMHO, once the DefineCustomFoo function
has been executed, it should be exactly like any other variable (other
than having a funny name).

            regards, tom lane