Method parse_option_map

src/sql-parser/src/parser.rs:5570–5596

(
        &mut self,
    )

    }

    fn parse_option_map(
        &mut self,
    ) -> Result<Option<BTreeMap<String, WithOptionValue<Raw>>>, ParserError> {
        Ok(if self.parse_keyword(MAP) {
            self.expect_token(&Token::LBracket)?;
            let mut map = BTreeMap::new();
            loop {
                if let Some(Token::RBracket) = self.peek_token() {
                    break;
                }
                let key = match self.next_token() {
                    Some(Token::String(s)) => s,
                    token => return self.expected(self.peek_pos(), "string", token),
                };
                self.expect_token(&Token::Arrow)?;
                let value = Parser::parse_option_value(self)?;
                map.insert(key, value);
                if !self.consume_token(&Token::Comma) {
                    break;
                }
            }
            self.expect_token(&Token::RBracket)?;
            Some(map)
        } else {
            None
        })
    }

    fn parse_option_value(&mut self) -> Result<WithOptionValue<Raw>, ParserError> {
        if let Some(seq) = self.parse_option_sequence(Parser::parse_option_value)? {