Function trim

datafusion/functions/src/string/mod.rs:148–150

(args: Vec<Expr>)

    #[doc = "Removes all characters, spaces by default, from both sides of a string"]
    pub fn trim(args: Vec<Expr>) -> Expr {
        super::btrim().call(args)
    }

    #[doc = "Concatenates all but the first argument, with separators. The first argument is used as the separator string, and should not be NULL. Other NULL arguments are ignored."]
    pub fn concat_ws(delimiter: Expr, args: Vec<Expr>) -> Expr {