如何将三列的值从一个 table1 加载到另一个 table2 在配置单元中有单列？
How to load the values of three column from one table1 to another table 2 which is having single column in hive?
能否请您帮我查询一下。
Table 1（输入）有三列（Credit_date、Debit_date、Payment_date）和
Table 2（输出）有一列日期
Table 1 中的三列值应该在 Table 2.[=13 中可用=]
我试过下面的查询但没有用。
insert into table2
select date
from (
(select credit_date, debit_date, Payment_date from table 1) as date)t;
能否请您指导。
尝试联合所有：
insert into table2
select * from (
select credit_date as date from table1
union all
select debit_date as date from table1
union all
select payment_date as date from table1
) t
能否请您帮我查询一下。
Table 1（输入）有三列（Credit_date、Debit_date、Payment_date）和 Table 2（输出）有一列日期
Table 1 中的三列值应该在 Table 2.[=13 中可用=]
我试过下面的查询但没有用。
insert into table2
select date
from (
(select credit_date, debit_date, Payment_date from table 1) as date)t;
能否请您指导。
尝试联合所有：
insert into table2
select * from (
select credit_date as date from table1
union all
select debit_date as date from table1
union all
select payment_date as date from table1
) t