Function test_inlist_nullability

datafusion/expr/src/expr_schema.rs:985–1008

()

    #[test]
    fn test_inlist_nullability() {
        let get_schema = |nullable| {
            MockExprSchema::new()
                .with_data_type(DataType::Int32)
                .with_nullable(nullable)
        };

        let expr = col("foo").in_list(vec![lit(1); 5], false);
        assert!(!expr.nullable(&get_schema(false)).unwrap());
        assert!(expr.nullable(&get_schema(true)).unwrap());
        // Testing nullable() returns an error.
        assert!(
            expr.nullable(&get_schema(false).with_error_on_nullable(true))
                .is_err()
        );

        let null = lit(ScalarValue::Int32(None));
        let expr = col("foo").in_list(vec![null, lit(1)], false);
        assert!(expr.nullable(&get_schema(false)).unwrap());

        // Testing on long list
        let expr = col("foo").in_list(vec![lit(1); 6], false);
        assert!(expr.nullable(&get_schema(false)).unwrap());
    }

    #[test]
    fn test_like_nullability() {