Function normalize_cols_non_exist

datafusion/expr/src/expr_rewriter/mod.rs:474–489

()

    #[test]
    fn normalize_cols_non_exist() {
        // test normalizing columns when the name doesn't exist
        let expr = col("a") + col("b");
        let schema_a =
            make_schema_with_empty_metadata(vec![Some("\"tableA\"".into())], vec!["a"]);
        let schemas = [schema_a];
        let schemas = schemas.iter().collect::<Vec<_>>();

        let error =
            normalize_col_with_schemas_and_ambiguity_check(expr, &[&schemas], &[])
                .unwrap_err()
                .strip_backtrace();
        let expected = "Schema error: No field named b. \
            Valid fields are \"tableA\".a.";
        assert_eq!(error, expected);
    }

    #[test]
    fn unnormalize_cols() {