将多个列组合到配置单元中的单个列中

Question

I have one table shown in below.

Id   v1  v2  v3
 A   01  03  23
 B   11  21  05
 C   02  10  24
 D   22  14  23

here first column has id and it's related with three columns. SO i have to combine that three column into one single column with related id.

For example.

id  value
A    01
A    03
A    23
B    11
B    21
B    05
.    ..
.    ..

So i have to done this in to hive so please let me know.

Answer 1

insert into table result_table select Id, v1 as value from orig_table;
insert into table result_table select Id, v2 as value from orig_table;
insert into table result_table select Id, v3 as value from orig_table;
select Id,value from result_table;

or

select Id, value 
       from orig_table LATERAL VIEW explode(array(v1,v2,v3)) orig_table_alias AS value;

Answer 2

select id, v1
from table
union all
select id, v2
from table
union all
select id, v3
from table