public function select(string $fields): QueryBuilderInterface
	{
		// Split fields by comma
		$fieldsArray = explode(',', $fields);
		$fieldsArray = array_map('mb_trim', $fieldsArray);

		// Split on 'As'
		foreach ($fieldsArray as $key => $field)
		{
			if (stripos($field, 'as') !== FALSE)
			{
				$fieldsArray[$key] = preg_split('` as `i', $field);
				$fieldsArray[$key] = array_map('mb_trim', $fieldsArray[$key]);
			}
		}

		// Quote the identifiers
		$safeArray = $this->driver->quoteIdent($fieldsArray);

		unset($fieldsArray);

		// Join the strings back together
		for($i = 0, $c = count($safeArray); $i < $c; $i++)
		{
			if (\is_array($safeArray[$i]))
			{
				$safeArray[$i] = implode(' AS ', $safeArray[$i]);
			}
		}

		$this->state->appendSelectString(implode(', ', $safeArray));

		return $this;
	}