public override DbExpression Visit(DbQuantifierExpression expression)
        {
            Check.NotNull(expression, "expression");

            DbExpression result = expression;

            var input     = VisitExpressionBindingEnterScope(expression.Input);
            var predicate = VisitExpression(expression.Predicate);

            ExitScope();

            if (!ReferenceEquals(expression.Input, input)
                ||
                !ReferenceEquals(expression.Predicate, predicate))
            {
                if (DbExpressionKind.All
                    == expression.ExpressionKind)
                {
                    result = CqtBuilder.All(input, predicate);
                }
                else
                {
                    Debug.Assert(
                        expression.ExpressionKind == DbExpressionKind.Any,
                        "DbQuantifierExpression had ExpressionKind other than All or Any?");
                    result = CqtBuilder.Any(input, predicate);
                }
            }
            NotifyIfChanged(expression, result);
            return(result);
        }