Method with_metadata

datafusion/expr/src/expr.rs:742–745

(mut self, metadata: Option<FieldMetadata>)

    }

    pub fn with_metadata(mut self, metadata: Option<FieldMetadata>) -> Self {
        self.metadata = metadata;
        self
    }

    #[doc(hidden)]
    pub fn with_expr(mut self, expr: Expr) -> Self {