func (e *ConditionOperand) evalNode(r Record, tableAlias string) (*Value, error) {
	opVal, opErr := e.Operand.evalNode(r, tableAlias)
	if opErr != nil || e.ConditionRHS == nil {
		return opVal, opErr
	}

	// Need to evaluate the ConditionRHS
	switch {
	case e.ConditionRHS.Compare != nil:
		cmpRight, cmpRErr := e.ConditionRHS.Compare.Operand.evalNode(r, tableAlias)
		if cmpRErr != nil {
			return nil, cmpRErr
		}

        }

        this.basedir = basedir;
    }

    @Override
    public Object evaluate(String expr) throws ExpressionEvaluationException {
        return evaluate(expr, null);
    }

    @Override
    @SuppressWarnings("checkstyle:methodlength")
    public Object evaluate(String expr, Class<?> type) throws ExpressionEvaluationException {
        Object value = null;

        Object value = ee.evaluate("${" + key + "}");

        assertEquals(checkValue, value);
    }

    @Test
    void testBasedirExtractionWithMissingProject() throws Exception {
        ExpressionEvaluator ee = createExpressionEvaluator(null, null, new Properties());

        Object value = ee.evaluate("${basedir}");

        assertNull(ee.evaluate("${rootDirectory}"));
    }

    @Test
    void testRootDirectoryWithNull() throws Exception {
        ExpressionEvaluator ee = createExpressionEvaluator(createDefaultProject(), new Properties());
        Exception e = assertThrows(Exception.class, () -> ee.evaluate("${session.rootDirectory}"));

        assertNull(ReflectionValueExtractor.evaluate("h.value[", value));
        assertNull(ReflectionValueExtractor.evaluate("h.value[]", value));
        assertNull(ReflectionValueExtractor.evaluate("h.value[a]", value));
        assertNull(ReflectionValueExtractor.evaluate("h.value[0", value));
        assertNull(ReflectionValueExtractor.evaluate("h.value[0)", value));

        when(evaluator.evaluate(anyString())).thenReturn("testValue");
        for (int i = 0; i < 10; i++) {
            when(evaluator.evaluate(Integer.toString(i))).thenReturn(i);
        }
        when(evaluator.evaluate("123")).thenReturn(123);
        when(evaluator.evaluate("456")).thenReturn(456);
        when(evaluator.evaluate("true")).thenReturn(true);

	case sqlFnDateAdd:
		return handleDateAdd(r, e.DateAdd, tableAlias)

	case sqlFnDateDiff:
		return handleDateDiff(r, e.DateDiff, tableAlias)
	}

	// For all simple argument functions, we evaluate the arguments here
	argVals := make([]*Value, len(e.SFunc.ArgsList))
	for i, arg := range e.SFunc.ArgsList {
		argVals[i], err = arg.evalNode(r, tableAlias)
		if err != nil {
			return nil, err
		}
	}

     * @return the object defined by the expression
     * @throws IntrospectionException if any
     */
    public static Object evaluate(@Nonnull String expression, @Nullable Object root) throws IntrospectionException {
        return evaluate(expression, root, true);
    }

    /**
     * <p>
     * The implementation supports indexed, nested and mapped properties.
     * </p>
     * <ul>

		return nil
	}

	panic(fmt.Errorf("unknown output format '%v'", s3Select.Output.format))
}

// Evaluate - filters and sends records read from opened reader as per select statement to http response writer.
func (s3Select *S3Select) Evaluate(w http.ResponseWriter) {
	getProgressFunc := s3Select.getProgress
	if !s3Select.Progress.Enabled {
		getProgressFunc = nil
	}

// (i.e. enclosed in parentheses like `IN (1,2,4)`) or it could be a JSON path
// expression (as in `8.5 IN s.nested[*][*]`). Specifically, it cannot be an
// `Expression` as an expression can never evaluate to a list.
type In struct {
	JPathExpr *JSONPath `parser:"@@"`
	ListExpr  *ListExpr `parser:"| @@"`
}

// Grammar for Operand:
//
// operand → multOp ( ("-" | "+") multOp )*