On 02/03/2020 18:09, Don Seiler wrote: > The REAL reason for this is that I'm wondering if I created a NOT NULL > check constraint with "NOT VALID" would that then NOT be considered in such > a "short-circuit" case until I ran the VALIDATE CONSTRAINT on it? Perhaps I > should have just asked this in its own thread but I started diving into the > query plan thing.
You cannot do this because NOT NULL isn't a real constraint (meaning it does not appear in pg_constraint). There have been several attempts to make it a real constraint over the years but so far nothing has come of them. -- Vik Fearing
