protected function _buildFromPart($parts, $query, $generator)
    {
        $select = ' FROM %s';
        $normalized = [];
        $parts = $this->_stringifyExpressions($parts, $generator);
        foreach ($parts as $k => $p) {
            if (!is_numeric($k)) {
                $p = $p . ' ' . $k;
            }
            $normalized[] = $p;
        }

        return sprintf($select, implode(', ', $normalized));
    }