Method parse_qualified_identifier

src/sql-parser/src/parser.rs:7388–7422

(&mut self, id: Ident)

    }

    fn parse_qualified_identifier(&mut self, id: Ident) -> Result<Expr<Raw>, ParserError> {
        let mut id_parts = vec![id];
        match self.peek_token() {
            Some(Token::LParen) | Some(Token::Dot) => {
                let mut ends_with_wildcard = false;
                while self.consume_token(&Token::Dot) {
                    match self.next_token() {
                        Some(Token::Keyword(kw)) => id_parts.push(kw.into()),
                        Some(Token::Ident(id)) => id_parts.push(self.new_identifier(id)?),
                        Some(Token::Star) => {
                            ends_with_wildcard = true;
                            break;
                        }
                        unexpected => {
                            return self.expected(
                                self.peek_prev_pos(),
                                "an identifier or a '*' after '.'",
                                unexpected,
                            );
                        }
                    }
                }
                if ends_with_wildcard {
                    Ok(Expr::QualifiedWildcard(id_parts))
                } else if self.peek_token() == Some(Token::LParen) {
                    let function =
                        self.parse_function(RawItemName::Name(UnresolvedItemName(id_parts)))?;
                    Ok(Expr::Function(function))
                } else {
                    Ok(Expr::Identifier(id_parts))
                }
            }
            _ => Ok(Expr::Identifier(id_parts)),
        }
    }

    /// Parse a parenthesized comma-separated list of unqualified, possibly quoted identifiers
    fn parse_parenthesized_column_list(