Base table PRIMARY KEY can be assumed to be NOT NULL in MV creation

CREATE TABLE users (
    id uuid PRIMARY KEY,
    username text,
    email text,
    age int
);

CREATE MATERIALIZED VIEW users_by_username AS SELECT * FROM users WHERE username IS NOT NULL PRIMARY KEY (username, id);

InvalidRequest: code=2200 [Invalid query] message="Primary key column 'id' is required to be filtered by 'IS NOT NULL'"