追加の列を持つPostgreSQLINSERTFROM SELECT

selectの前に括弧を付けてターゲット列を指定できます 条項：

INSERT INTO T1
(c1, c_additional) -- here
SELECT 
        C1,
        'needed_value' -- just select a constant here
FROM dblink(
    'hostaddr=127.0.0.1 port=5432 dbname=DB2 user=postgres password=postgres', 
    'SELECT * FROM T2')
AS T2_row(C1 integer)