And yet when I data science with my dirty SQL, knowing that I've summed a collection that has a null value is super helpful because it shows that the query that

And yet when I data science with my dirty SQL, knowing that I've summed a collection that has a null value is super helpful because it shows that the query that I've made is fundamentally unknowable. Of course there are alternative ways of doing it: https://i.imgur.com/ENtJs.png https://i.imgur.com/ENtJs.png