Method parse_nullif_expr

src/sql-parser/src/parser.rs:1047–1054

(&mut self)

    }

    fn parse_nullif_expr(&mut self) -> Result<Expr<Raw>, ParserError> {
        self.expect_token(&Token::LParen)?;
        let l_expr = Box::new(self.parse_expr()?);
        self.expect_token(&Token::Comma)?;
        let r_expr = Box::new(self.parse_expr()?);
        self.expect_token(&Token::RParen)?;
        Ok(Expr::NullIf { l_expr, r_expr })
    }

    // Parse calls to extract(), which can take the form:
    // - extract(field from 'interval')