Function test_like_nullability

datafusion/expr/src/expr_schema.rs:1011–1024

()

    #[test]
    fn test_like_nullability() {
        let get_schema = |nullable| {
            MockExprSchema::new()
                .with_data_type(DataType::Utf8)
                .with_nullable(nullable)
        };

        let expr = col("foo").like(lit("bar"));
        assert!(!expr.nullable(&get_schema(false)).unwrap());
        assert!(expr.nullable(&get_schema(true)).unwrap());

        let expr = col("foo").like(lit(ScalarValue::Utf8(None)));
        assert!(expr.nullable(&get_schema(false)).unwrap());
    }

    #[test]
    fn expr_schema_data_type() {