andrey=# select  1  as one,  2  as two into temp test_temp;
SELECT
andrey=# \d test_temp
 Table "pg_temp_8.test_temp"
 Column |  Type   | Modifiers
--------+---------+-----------
 one    | integer |
 two    | integer |

andrey=# select * from test_temp;
 one | two
-----+-----
    1  |    2 
( 1  row)

create temp table test_temp (
  one integer,
  two integer
);

insert into test_temp
select  1 ,  2 ;