总是重命名聚合与函数包装的字段
-- Good
select count(*) as total_users
from users
-- Bad
select count(*)
from users
-- Good
select timestamp_millis(property_beacon_interest) as expressed_interest_at
from hubspot.contact
where property_beacon_interest is not null
-- Bad
select timestamp_millis(property_beacon_interest)
from hubspot.contact
where property_beacon_interest is not null