可以写一个group_array的udaf
select * from aa as a left join (
select userId,group_array(row(userId, userBankNo, userBankNo)) from bb
group by userId
) as b where a.userId=b.userId-- Sent from: http://apache-flink.147419.n8.nabble.com/
可以写一个group_array的udaf
select * from aa as a left join (
select userId,group_array(row(userId, userBankNo, userBankNo)) from bb
group by userId
) as b where a.userId=b.userId-- Sent from: http://apache-flink.147419.n8.nabble.com/