Looker and Tableau announced a partnership and you won't believe what happened next!
> even though here you will need to sum them up
Careful! Once you materialize `COUNT(DISTINCT customer_id)`, it becomes non-additive!
Oh, damn. You're totally right. Thanks! Should have come up with a better example.
Added an educational footnote for the rescue.
> even though here you will need to sum them up
Careful! Once you materialize `COUNT(DISTINCT customer_id)`, it becomes non-additive!
Oh, damn. You're totally right. Thanks! Should have come up with a better example.
Added an educational footnote for the rescue.