Esempio n. 1
0
    /// <summary>
    /// Test SET operations
    /// </summary>
    private static void Test_SetOperations()
    {
      using (CUBRIDConnection conn = new CUBRIDConnection())
      {
        conn.ConnectionString = TestCases.connString;
        conn.Open();

        TestCases.ExecuteSQL("DROP TABLE IF EXISTS t", conn);

        //Create a new table with a collection
        TestCases.ExecuteSQL("CREATE TABLE t(s SET(int))", conn);
        //Insert some data in the sequence column
        TestCases.ExecuteSQL("INSERT INTO t(s) VALUES({0,1,2,3,4,5,6})", conn);
        CUBRIDOid oid = new CUBRIDOid("@0|0|0");
        using (CUBRIDCommand cmd = new CUBRIDCommand("SELECT t FROM t", conn))
        {
          using (DbDataReader reader = cmd.ExecuteReader())
          {
            while (reader.Read())
            {
              oid = (CUBRIDOid)reader[0];
            }
          }
        }

        String attributeName = "s";
        object value = 7;

        int SeqSize = conn.GetCollectionSize(oid, attributeName);
        Debug.Assert(SeqSize == 7);

        conn.AddElementToSet(oid, attributeName, value);
        SeqSize = conn.GetCollectionSize(oid, attributeName);
        Debug.Assert(SeqSize == 8);

        using (CUBRIDCommand cmd = new CUBRIDCommand("SELECT * FROM t", conn))
        {
          using (DbDataReader reader = cmd.ExecuteReader())
          {
            while (reader.Read())
            {
              int[] expected = { 0, 1, 2, 3, 4, 5, 6, 7 };
              object[] o = (object[])reader[0];
              for (int i = 0; i < SeqSize; i++)
              {
                Debug.Assert(Convert.ToInt32(o[i]) == expected[i]);
              }
            }
          }
        }

        conn.DropElementInSet(oid, attributeName, 5);
        SeqSize = conn.GetCollectionSize(oid, attributeName);
        Debug.Assert(SeqSize == 7);

        using (CUBRIDCommand cmd = new CUBRIDCommand("SELECT * FROM t", conn))
        {
          using (DbDataReader reader = cmd.ExecuteReader())
          {
            while (reader.Read())
            {
              int[] expected = { 0, 1, 2, 3, 4, 6, 7 };
              object[] o = (object[])reader[0];
              for (int i = 0; i < SeqSize; i++)
              {
                Debug.Assert(Convert.ToInt32(o[i]) == expected[i]);
              }
            }
          }
        }

        TestCases.ExecuteSQL("DROP t", conn);
      }
    }