Dear friend,
Take a look,carefully, about how are create tables;
All fields are INTeger type.Do a "select * from child;" to see what values
are stored in tables....for your curiosity.
Good luck,
Gelu
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----- Original Message -----
From: "MySQL" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, May 31, 2002 7:26 PM
Subject: Constraints - Error or Bug????
Hi all,
I just wonder. I have tried this example from www.mysql.org Doc.
CREATE TABLE parent(id INT NOT NULL, PRIMARY KEY (id)) TYPE=INNODB;
CREATE TABLE child(id INT, parent_id INT, INDEX par_ind (parent_id),
FOREIGN KEY (parent_id) REFERENCES parent(id)
ON DELETE SET NULL
) TYPE=INNODB;
But, the constraint does not work propperly. If i add 1 and 2 in the parent
table, and 1,1 and 1,6 in
the child table, it still works.
Does anyone know if there is a Bug in the mysql, or im just getting it all
wrong???? If you know howto make the constraints work please write a little
example - Thanks :-)
Regards
Frank J�rgensen
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