Method parse_expr

datafusion/sql/src/parser.rs:586–597

(&mut self)

    }

    pub fn parse_expr(&mut self) -> Result<ExprWithAlias, DataFusionError> {
        if let Token::Word(w) = self.parser.peek_token().token {
            match w.keyword {
                Keyword::CREATE | Keyword::COPY | Keyword::EXPLAIN => {
                    return parser_err!("Unsupported command in expression")?;
                }
                _ => {}
            }
        }

        Ok(self.parser.parse_expr_with_alias()?)
    }

    /// Parses the entire SQL string into an expression.
    ///