Doctrine_Record::linkInDb PHP Метод

    public function linkInDb($alias, $ids)
    {
        $identifier = array_values($this->identifier());
        $identifier = array_shift($identifier);
        $rel = $this->getTable()->getRelation($alias);
        if ($rel instanceof Doctrine_Relation_Association) {
            $modelClassName = $rel->getAssociationTable()->getComponentName();
            $localFieldName = $rel->getLocalFieldName();
            $localFieldDef = $rel->getAssociationTable()->getColumnDefinition($localFieldName);
            if ($localFieldDef['type'] == 'integer') {
                $identifier = (int) $identifier;
            }
            $foreignFieldName = $rel->getForeignFieldName();
            $foreignFieldDef = $rel->getAssociationTable()->getColumnDefinition($foreignFieldName);
            if ($foreignFieldDef['type'] == 'integer') {
                foreach ($ids as $i => $id) {
                    $ids[$i] = (int) $id;
                }
            }
            foreach ($ids as $id) {
                $record = new $modelClassName();
                $record[$localFieldName] = $identifier;
                $record[$foreignFieldName] = $id;
                $record->save();
            }
        } else {
            if ($rel instanceof Doctrine_Relation_ForeignKey) {
                $q = $rel->getTable()->createQuery()->update()->set($rel->getForeign(), '?', array_values($this->identifier()));
                if (count($ids) > 0) {
                    $q->whereIn($rel->getTable()->getIdentifier(), $ids);
                }
                $q->execute();
            } else {
                if ($rel instanceof Doctrine_Relation_LocalKey) {
                    $q = $this->getTable()->createQuery()->update()->set($rel->getLocalFieldName(), '?', $ids);
                    if (count($ids) > 0) {
                        $q->whereIn($rel->getTable()->getIdentifier(), array_values($this->identifier()));
                    }
                    $q->execute();
                }
            }
        }
        return $this;
    }