Function wildcard

datafusion/expr/src/expr_fn.rs:141–143

Create an '*' [`Expr::Wildcard`] expression that matches all columns # Example ```rust # use datafusion_expr::{wildcard}; let p = wildcard(); assert_eq!(p.to_string(), "*") ```

()

/// assert_eq!(p.to_string(), "*")
/// ```
pub fn wildcard() -> SelectExpr {
    SelectExpr::Wildcard(WildcardOptions::default())
}

/// Create an '*' [`Expr::Wildcard`] expression with the wildcard options
pub fn wildcard_with_options(options: WildcardOptions) -> SelectExpr {