On Mon, Jan 18, 2021 at 12:34 AM David Fetter <da...@fetter.org> wrote: > > On Thu, Jan 14, 2021 at 04:22:17PM +0000, Simon Riggs wrote: > > As you may be aware the NOT VALID qualifier currently only applies to > > CHECK and FK constraints, but not yet to unique indexes. I have had > > customer requests to change that. > > This is a great feature! > > Not exactly on point with this, but in a pretty closely related > context, is there some way we could give people the ability to declare > at their peril that a constraint is valid without incurring the full > scan that VALIDATE currently does? This is currently doable by > fiddling directly with the catalog, which operation is broadly more > dangerous and ill-advised.
That is what NOT VALID allows, but it can't be relied on for optimization. -- Simon Riggs http://www.EnterpriseDB.com/
