Lazer\Classes\Core_Relation::addRelation PHP Method

    protected function addRelation()
    {
        if ($this->relationType == 'hasAndBelongsToMany') {
            $junction = $this->getJunction();
            try {
                Validate::table($junction)->exists();
            } catch (LazerException $e) {
                Database::create($junction, array($this->tables['local'] . '_id' => 'integer', $this->tables['foreign'] . '_id' => 'integer'));
                $this->insertRelationData($junction, $this->tables['local'], 'hasMany', array('local' => $this->tables['local'] . '_id', 'foreign' => $this->keys['local']));
                $this->insertRelationData($junction, $this->tables['foreign'], 'hasMany', array('local' => $this->tables['foreign'] . '_id', 'foreign' => $this->keys['foreign']));
            }
        }
        $this->insertRelationData($this->tables['local'], $this->tables['foreign'], $this->relationType, $this->keys);
    }