public void TestPrefixQuery()
		{
			var prefixQuery = new PrefixQuery("name", "张");
			var termFilter = new TermFilter("type", "common");
			var q = new FilteredQuery(prefixQuery,termFilter);
			var result = client.Search(index, "type" , q, 0, 5);

			Assert.AreEqual(3, result.GetTotalCount());

			prefixQuery = new PrefixQuery("name", "张三");
			termFilter = new TermFilter("type", "common");
			q = new FilteredQuery(prefixQuery, termFilter);
			result = client.Search(index, "type" , q, 0, 5);

			Assert.AreEqual(2, result.GetTotalCount());
		}