DoctrineExtensions\Query\Mysql\Greatest::parse PHP Method

    public function parse(Parser $parser)
    {
        $parser->match(Lexer::T_IDENTIFIER);
        $parser->match(Lexer::T_OPEN_PARENTHESIS);
        $this->field = $parser->ArithmeticPrimary();
        $lexer = $parser->getLexer();
        while (count($this->values) < 1 || $lexer->lookahead['type'] != Lexer::T_CLOSE_PARENTHESIS) {
            $parser->match(Lexer::T_COMMA);
            $this->values[] = $parser->ArithmeticPrimary();
        }
        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
    }