Alexander Kukushkin <cyberd...@gmail.com> writes: > IMO is totally wrong, because the actual value didn't change: it was an > empty string in the config and now it remains an empty string due to the > default value in the guc.c
I can't get very excited about that. The existing message about "parameter \"%s\" cannot be changed without restarting the server" was emitted without regard to that fine point, and nobody has complained about it. regards, tom lane