protected override void AppendToken(QueryTranslator q, string token)
		{
			// a String.Empty can get passed in here.  If that occurs
			// then don't create a new SqlString for it - just ignore
			// it since it adds nothing to the sql being generated.
			if (token != null && token.Length > 0)
				q.AppendHavingToken(new SqlString(token));
		}
		protected override void AppendToken(QueryTranslator q, SqlString token)
		{
			q.AppendHavingToken(token);
		}