I feel like for queries that are hard to understand at a glance, a picture is worth a thousand words. For the majority of people, myself included, writing helpf

I feel like for queries that are hard to understand at a glance, a picture is worth a thousand words. For the majority of people, myself included, writing helpful, high quality comments is really hard. Instead, for a CTE, I would rather add a sample of initial data, and how they are transformed by the first two or so iterations of the loop.