public function getSql()
    {
        $code = $this;
        while ($code->parent !== null) {
            $code = $code->parent;
        }

        return mb_substr($code->content, $this->startOffset, $this->endOffset - $this->startOffset, 'UTF-8');
    }
public function getSql()
    {
        $code = $this;
        while ($code->parent !== null) {
            $code = $code->parent;
        }

        return mb_substr($code->content, $this->startOffset, $this->endOffset - $this->startOffset, 'UTF-8');
    }
Returns the SQL code representing the token.
@return string SQL code.