source users : src {

    sql_query_range = SELECT MIN(id), MAX(id) FROM tx3nh_users
    sql_query = SELECT u.id, p.fullname, p.email, s.staff_title, s.bio FROM tx3nh_users AS u LEFT JOIN tx3nh_user_attributes AS p ON u.id=p.internalKey LEFT JOIN oxv5v_su_staff AS s ON u.id=s.user_id WHERE u.id>=$start AND u.id<=$end OPTION field_weights=(p.fullname=3, s.staff_title=2, s.bio=1)

}