Neil Conway <neilc@samurai.com> writes:
> Szűcs Gábor wrote:
>> Check constraints:
>> "foobar" CHECK ()
> Yeah, I can repro this with current REL7_4_STABLE sources, but it looks
> fixed in HEAD and REL8_0_STABLE.
I think the reason is that 7.4 applies make_ands_implicit before storing
the constraint, while 8.0 and up don't. I'm inclined to think it's not
worth trying to fix in the back branches.
regards, tom lane