I am trying to bind 3 tables and I am having problems with proper
relations.
Table users (pk id), books (pk id), users_books (user_id, book_id),
comments (pk and foreign key book_id, user_id -> with reference to
users_books)
Here are the models:
Book
public $hasAndBelongsToMany = array(
'User' =>
array(
'className' => 'User',
'joinTable' => 'users_books',
'foreignKey' => 'book_id',
'associationForeignKey' => 'user_id',
'unique' => true,
'conditions' => '',
'fields' => '',
'order' => '',
'limit' => '',
'offset' => '',
'finderQuery' => '',
// 'with' => 'UserBook'
),);
public $hasMany = array('Comment'=>array('className'=>'Comment'));
Comment:
public $belongsTo = array (
'Book' => array (
'className'=>'Book',
)
);
When I try to save with the saveAll method I got:
*Error: * SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add
or update a child row: a foreign key constraint fails
(`metabook`.`comments`, CONSTRAINT `comments_ibfk_1` FOREIGN KEY
(`user_id`, `book_id`) REFERENCES `users_books` (`user_id`, `book_id`))
I know that this is not according to the cakephp conventions, but what I
can do to bind those tables?
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