The question to the same thing I was interested in XCom lesson - why do you make it more complex that necessary, like for real? The lesson is about using connections, why there is a whole declaration of a custom operator in the same lesson, where it is not even needed? There is a built-in MySqlOperator…
I’m really interested - what’s the point of that? It only makes the main topic of the lesson harder to understand.
Course: An Introduction to Apache Airflow - Learn Interactively
Lesson: https://www.educative.io/courses/introduction-to-apache-airflow/hooks-and-connections