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select version();
version()
8.0.27
CREATE TABLE table1(a INTEGER, b INTEGER, c INTEGER);

INSERT INTO table1 VALUES
(1,1,1),
(1,1,2),
(1,1,3),
(1,2,1),
(1,2,2),
(1,2,3),
(1,3,1),
(1,3,2),
(1,3,3);

SELECT *
FROM (VALUES ROW(1),ROW(2))l
column_0
1
2
SELECT *
FROM table1
CROSS JOIN (VALUES ROW(1),ROW(2))x
a b c column_0
1 1 1 2
1 1 1 1
1 1 2 2
1 1 2 1
1 1 3 2
1 1 3 1
1 2 1 2
1 2 1 1
1 2 2 2
1 2 2 1
1 2 3 2
1 2 3 1
1 3 1 2
1 3 1 1
1 3 2 2
1 3 2 1
1 3 3 2
1 3 3 1