The idea is to check the flag in CreateViewStatement, so creation of new MVs doesn’t succeed without that flag flipped.
Obviously, just disabling existing MVs working in a minor would be silly. As for the warning - yes, that should also be emitted. Unconditionally. — AY On 2 October 2017 at 18:18:52, Jeremiah D Jordan (jeremiah.jor...@gmail.com) wrote: These things are live on clusters right now, and I would not want someone to upgrade their cluster to a new *patch* release and suddenly something that may have been working for them now does not function. Anyway, we need to be careful about how this gets put into practice if we are going to do it retroactively.
