Method run

datafusion/expr/src/expr_rewriter/order_by.rs:492–510

calls rewrite_sort_cols_by_aggs for expr and compares it to expected_expr

(self, input_plan: &LogicalPlan)

    impl TestCase {
        /// calls rewrite_sort_cols_by_aggs for expr and compares it to expected_expr
        fn run(self, input_plan: &LogicalPlan) {
            let Self {
                desc,
                input,
                expected,
            } = self;

            println!("running: '{desc}'");
            let mut exprs =
                rewrite_sort_cols_by_aggs(vec![input.clone()], input_plan).unwrap();

            assert_eq!(exprs.len(), 1);
            let rewritten = exprs.pop().unwrap();

            assert_eq!(
                rewritten, expected,
                "\n\ninput:{input:?}\nrewritten:{rewritten:?}\nexpected:{expected:?}\n"
            );
        }
    }

    /// Scan of a table: t(c1 int, c2 varchar, c3 float)