Method parse_literal_int

src/sql-parser/src/parser.rs:6952–6975

Parse a signed literal integer.

(&mut self)

    /// Parse a signed literal integer.
    fn parse_literal_int(&mut self) -> Result<i64, ParserError> {
        let negative = self.consume_token(&Token::Op("-".into()));
        match self.next_token() {
            Some(Token::Number(s)) => {
                let n = s.parse::<i64>().map_err(|e| {
                    self.error(
                        self.peek_prev_pos(),
                        format!("Could not parse '{}' as i64: {}", s, e),
                    )
                })?;
                if negative {
                    n.checked_neg().ok_or_else(|| {
                        self.error(
                            self.peek_prev_pos(),
                            format!("Could not parse '{}' as i64: overflows i64", s),
                        )
                    })
                } else {
                    Ok(n)
                }
            }
            other => self.expected(self.peek_prev_pos(), "literal integer", other),
        }
    }

    /// Parse an unsigned literal integer.
    fn parse_literal_uint(&mut self) -> Result<u64, ParserError> {