And the point of gp is that SQL could do some work and sort these (a=b) values into groups that fit its inner requirements on its own. You can just omit a usefu

And the point of gp is that SQL could do some work and sort these (a=b) values into groups that fit its inner requirements on its own. You can just omit a useful feature because it creates a minor inconvenience at a preparation phase, or you can include it. This is exactly these bad ergonomics some grand-commenter talked about.