agree agree agree 1. completeness is still a very desirable behavior for many use cases, but it's gonna be tricky to build these use cases on top of the new wa

agree agree agree 1. completeness is still a very desirable behavior for many use cases, but it's gonna be tricky to build these use cases on top of the new wave of IVM-like streaming systems, which provides no completeness marker. 2. periodic queries declared in non-streaming declarative form can and should be computed incrementally, but as far as I know, there's still not much mature support for automatic optimizations