📅  最后修改于: 2022-03-11 15:05:02.979000             🧑  作者: Mango
update t1
set current_location =
case t2.status
when 0 then 'Deployed'
when 1 then 'Retrieved'
when 2 then 'Lost'
end
from t2 inner join t3
on t2.some_id = t3.some_id
where t3.serial_number = t1.serial_number;