Your example doesn't make much sense from here, but you'll probably
want to look into the various :dependent options to has_many.

--Matt Jones

On Jul 22, 10:44 pm, Me <[email protected]> wrote:
> I have a join table:
>
> sitedata
> belongs_to :tb1
> belongs_to tb2
>
> has_many :tb3
>
> When I add a relationship in the join table I then add data to the tb3
> table and that populates the FK in tb3 with the id of the join table.
> no problems  there.
>
> when I delete the row in the join table the data stays in the tb3
> table.  how do I get the tb3 data to delete?
>
> Is not has_many supposed to delete the data on the other end when the
> primary table no longer has a reference?
>
> If I go into the DB and make the FK a constraint with a delete on
> cascade it works when the data in the join table is deleted.
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