public function changeColumn($table, $oldColumnName, $newColumnName, $columnType)
    {
        $table = $this->prefixTable($table);

        return $this->container->make('Piwik\Updater\Migration\Db\ChangeColumn', array(
            'table' => $table, 'oldColumnName' => $oldColumnName,
            'newColumnName' => $newColumnName, 'columnType' => $columnType
        ));
    }