Bruce Momjian <pgman@candle.pha.pa.us> writes:
> The bigger question is whether you can modify config_dirs while the
> postmaster is running. I would think not.
There would be no way to do that, because the only way to set it would
be from -C on the command line or a PGCONFIG environment variable.
But I can't see a real good reason why you'd need to.
regards, tom lane