QSM-02140: agg(expr) requires correspondng SUM(expr*expr) function

QSM-02140: agg(expr) requires correspondng SUM(expr*expr) function

Cause: The capability in question is not supported when the materialized view uses certain aggregate functions but omits an invocation of the SUM function on the square of the same argument (the argument multiplied by itself).

Action: Add the SUM function on the square of the argument.