IFNULL((SELECT count(1) FROM we_group_code_actual WHERE group_code_id = w.id AND TIMESTAMPDIFF(DAY, sysdate(), effect_time ) < 3), 0) AS about_to_expire_codes
IFNULL((SELECT count(1) FROM we_group_code_actual WHERE group_code_id = w.id AND TIMESTAMPDIFF(DAY, sysdate(), effect_time ) < 3), 0) AS about_to_expire_codes