Function test_iterator

datafusion/optimizer/src/join_key_set.rs:208–216

()

    #[test]
    fn test_iterator() {
        // put in c = a and
        let mut set = JoinKeySet::new();
        // put in c = a , b = c, and a = c and expect to get only the first 2
        set.insert(&col("c"), &col("a"));
        set.insert(&col("b"), &col("c"));
        set.insert(&col("a"), &col("c"));
        assert_contents(&set, vec![(&col("c"), &col("a")), (&col("b"), &col("c"))]);
    }

    #[test]
    fn test_insert_intersection() {