Method parse_if_not_exists

src/sql-parser/src/parser.rs:4784–4791

(&mut self)

    }

    fn parse_if_not_exists(&mut self) -> Result<bool, ParserError> {
        if self.parse_keyword(IF) {
            self.expect_keywords(&[NOT, EXISTS])?;
            Ok(true)
        } else {
            Ok(false)
        }
    }

    fn parse_alias(&mut self) -> Result<Option<Ident>, ParserError> {
        self.parse_keyword(AS)