Robert Haas <robertmhaas@gmail.com> writes:
> On Sat, Nov 19, 2016 at 12:31 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Thanks for the report! Looks like the serialization code has overlooked
>> the fact that string-valued GUCs can be NULL. Surprising we didn't
>> find that before ...
> Why do we allow this, anyway?
I think it simplifies some initialization cases. Not sure how hard
it would be to remove that. But this isn't the first such bug ...
regards, tom lane