But what about my example that I recently posted on the list
"Joyful surprise: H2 supports db constraints!"
Doesn't it demonstrate that you can refer to the table in a constraint
that is just being created?
CREATE TABLE A (ID INT PRIMARY KEY);
CREATE TABLE B (AID INT REFERENCES A);
CREATE TABLE C (
AID INT REFERENCES A,
CONSTRAINT DB_CONSTRAINT CHECK(
EXISTS(
SELECT *
FROM A
JOIN B
ON C.AID = A.ID AND A.ID = B.AID
)
)
);
INSERT INTO A VALUES(1);
INSERT INTO C VALUES(1);
INSERT INTO B VALUES(1);
INSERT INTO C VALUES(1);
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