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question: Cascade OnDelete Action

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dasir

Post subject: question: Cascade OnDelete Action

Posted: Fri Nov 28, 2008 9:54 pm

Newbie

Joined: Fri Nov 28, 2008 4:01 pm
Posts: 2

How can I trigger Hibernate to perform an "alter table" that updates a primary key to have "On Delete" == "Cascade" in MySql ?

I would like to achieve it with annotations && not perform the SQL itself.

I need that to happen for a OneToMany relationship between 2 tables and so far the code that I have does not do it.

The "alter table" that is produces is : "alter table resv_flow add index ResvSessionID (ResvSessionID), add constraint ResvSessionID foreign key (ResvSessionID) references resv_session (RowId)"

Thanks.

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3bit

Post subject:

Posted: Tue Dec 09, 2008 1:13 pm

Newbie

Joined: Tue Jul 01, 2008 2:56 pm
Posts: 4

If hibernate also generates the Schema you can use the

Code:

@OnDelete(action=OnDeleteAction.CASCADE)

Annotation.

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