Function headless_lms_models::users::get_all_user_ids_with_user_exercise_states_on_course_instance

pub async fn get_all_user_ids_with_user_exercise_states_on_course_instance(
    conn: &mut PgConnection,
    course_instance_id: Uuid
) -> ModelResult<Vec<Uuid>>

Includes all users who have returned an exercise on a course course instance