/// <summary> /// Test CUBRIDCommand column properties /// </summary> private static void Test_Command_ColumnProperties() { using (CUBRIDConnection conn = new CUBRIDConnection()) { conn.ConnectionString = TestCases.connString; conn.Open(); String sql = "select * from nation"; CUBRIDCommand cmd = new CUBRIDCommand(sql, conn); CUBRIDCommand cmd2 = cmd.Clone(); try { cmd.Cancel(); } catch (Exception e) { string r = "System.NotSupportedException: Specified method is not supported"; Debug.Assert(e.Message.Substring(0,r.Length) == r); } Debug.Assert(cmd.CommandType == cmd2.CommandType); CUBRIDDataAdapter da = new CUBRIDDataAdapter(); da.SelectCommand = cmd; DataTable dt = new DataTable(""); da.FillSchema(dt, SchemaType.Source);//To retrieve all the column properties you have to use the FillSchema() method Debug.Assert(cmd.ColumnInfos[0].Name == "code"); Debug.Assert(cmd.ColumnInfos[0].IsPrimaryKey == true); Debug.Assert(cmd.ColumnInfos[0].IsForeignKey == false); Debug.Assert(cmd.ColumnInfos[0].IsNullable == false); Debug.Assert(cmd.ColumnInfos[0].RealName == ""); Debug.Assert(cmd.ColumnInfos[0].Precision == 3); Debug.Assert(cmd.ColumnInfos[0].Scale == 0); Debug.Assert(cmd.ColumnInfos[0].IsAutoIncrement == false); Debug.Assert(cmd.ColumnInfos[0].IsReverseIndex == false); Debug.Assert(cmd.ColumnInfos[0].IsReverseUnique == false); Debug.Assert(cmd.ColumnInfos[0].IsShared == false); Debug.Assert(cmd.ColumnInfos[0].Type == CUBRIDDataType.CCI_U_TYPE_CHAR); Debug.Assert(cmd.ColumnInfos[0].Table == "nation"); } }