方式一
select
IF( (SELECT COUNT(1) FROM person_punch pp WHERE pp.outer_person_id=p.id)=0,'否','是' ) as rule
from person p
方式二
select
IF( (SELECT COUNT(1) FROM person_punch pp WHERE pp.outer_person_id=p.id) in(0),'否','是' ) as rule
from person p
方式一
select
IF( (SELECT COUNT(1) FROM person_punch pp WHERE pp.outer_person_id=p.id)=0,'否','是' ) as rule
from person p
方式二
select
IF( (SELECT COUNT(1) FROM person_punch pp WHERE pp.outer_person_id=p.id) in(0),'否','是' ) as rule
from person p