Nette\Database\Table\Selection::wherePrimary PHP 메소드

    public function wherePrimary($key)
    {
        if (is_array($this->primary) && Nette\Utils\Arrays::isList($key)) {
            if (isset($key[0]) && is_array($key[0])) {
                $this->where($this->primary, $key);
            } else {
                foreach ($this->primary as $i => $primary) {
                    $this->where($this->name . '.' . $primary, $key[$i]);
                }
            }
        } elseif (is_array($key) && !Nette\Utils\Arrays::isList($key)) {
            // key contains column names
            $this->where($key);
        } else {
            $this->where($this->name . '.' . $this->getPrimary(), $key);
        }
        return $this;
    }

 /**
  * Default form handler
  */
 public function process()
 {
     /** @var ArrayHash $values */
     $values = $this->values;
     try {
         $this->onBeforeProcess($this, $values);
         if (isset($values->id)) {
             $this->onBeforeUpdate($this, $values);
             $arr = (array) $values;
             unset($arr['id']);
             $row = $this->selection->wherePrimary($values->id)->fetch();
             $row->update($arr);
             $this->onAfterUpdate($row, $this, $values);
         } else {
             $this->onBeforeInsert($this, $values);
             $row = $this->selection->insert($values);
             $this->onAfterInsert($row, $this, $values);
         }
         $this->onAfterProcess($row, $this, $values);
     } catch (\PDOException $e) {
         $this->addError($e->getMessage());
         dump($e);
         Debugger::log($e);
     }
 }