On Wed, 25 Sep 2002, Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > I don't see the gain of having a file called pg_xlog vs. using GUC.
>
> Well, the point is to have a safety interlock --- but I like Jan's
> idea of using matching identification files in both directories.
> With that, a GUC variable seems just fine.
Agreed, the interlock is a great idea. I hadn't seen that one go by.