On Sunday, July 13, 2025, KES <kes-...@yandex.ru> wrote: > I suppose that DEFAULT syntax should be used to set setting to its default > value. Eg. > set_config( 'my.option', DEFAULT, false ) > This is clear what should happen here. Also this syntax will correspond to > other places, eg. INSERT INTO xx (name) VALUES (DEFAULT). > > Using NULL to set reset the value to the default is very very confusing. > set_config( 'my.option', NULL, false ) > Expected: this call should make option unrecognizable again. >
I don’t see us changing this even if someone were willing to write a patch. You will have to make do with the behavior that exists. David J.
