I would not use cascade delete on sender_id, once a mail is in your box it's yours and it can contain important information that should not be "stolen" from you even if the user that sent it is not there any more.
On 5 jul, 20:52, cricket <[email protected]> wrote: > On Mon, Jul 5, 2010 at 10:17 AM, duderion <[email protected]> wrote: > > Hi Guys > > > i have a question about cake compatible database design: > > > i have a table "mails" and a table "users" > > > my table mail references 2 users from the users-table as Sender, > > Recipient > > > but then, i have 2 foreign keys in it, and i dont know how to handle > > this properly > > (or even name it correctly) > > > Anyone having an idea ? Or do i need a third table with the user,user- > >>mail information... > > mails table: > > id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, > sender_id INT(10) UNSIGNED NOT NULL, > recipient_id INT(10) UNSIGNED NOT NULL, > FOREIGN KEY (sender_id) REFERENCES users (id) ON DELETE CASCADE, > FOREIGN KEY (recipient_id) REFERENCES users (id) ON DELETE CASCADE > > User model: > > var $hasMany = array( > 'MailSender' => array ( > 'className' => 'Mail', > 'foreignKey' => 'sender_id', > 'dependent' => true > ), > 'MailRecipient' => array ( > 'className' => 'Mail', > 'foreignKey' => 'recipient_id', > 'dependent' => true > ) > ); > > Then you can refer to each model by its alias, MailSender or MailRecipient. > > Note that this does not take into account the situation where a mail > has two or more recipients. Check out the new CakePHP Questions site http://cakeqs.org and help others with their CakePHP related questions. You received this message because you are subscribed to the Google Groups "CakePHP" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cake-php?hl=en
