Method extend

datafusion/physical-expr-common/src/sort_expr.rs:393–397

Add all elements from `iter` to the `LexOrdering`.

(&mut self, sort_exprs: impl IntoIterator<Item = PhysicalSortExpr>)

    /// Add all elements from `iter` to the `LexOrdering`.
    pub fn extend(&mut self, sort_exprs: impl IntoIterator<Item = PhysicalSortExpr>) {
        for sort_expr in sort_exprs {
            self.push(sort_expr);
        }
    }

    /// Returns the leading `PhysicalSortExpr` of the `LexOrdering`. Note that
    /// this function does not return an `Option`, as a `LexOrdering` is always