internal T_CCI_ERROR_CODE ReadResultTuple()
{
resultTuple.Index = currentRow - 1;
resultTuple.Oid = null;
T_CCI_ERROR err = new T_CCI_ERROR();
int res = CciInterface.cci_cursor(handle, 1, CCICursorPosition.CCI_CURSOR_CURRENT, ref err);
if (res == (int)T_CCI_ERROR_CODE.CCI_ER_NO_MORE_DATA)
{
return(T_CCI_ERROR_CODE.CCI_ER_NO_MORE_DATA);
}
if (res < 0)
{
throw new CUBRIDException(err.err_msg);
}
if ((res = CciInterface.cci_fetch(handle, ref err)) < 0)
{
throw new CUBRIDException(err.err_msg);
}
for (int i = 1; i <= columnMetaData.Length; i++)
{
res = CciInterface.cci_get_data(resultTuple, handle, i, (int)columnMetaData[i - 1].Type, conn);
if (columnMetaData[i - 1].Name == null)
{
columnMetaData[i - 1].Name = i.ToString();
}
resultTuple[columnMetaData[i - 1].Name] = resultTuple[i - 1];
}
return(T_CCI_ERROR_CODE.CCI_ER_NO_ERROR);
}
/// <summary>
/// Executes a SQL statement against a connection object.
/// </summary>
/// <returns> The number of rows affected. </returns>
public override int ExecuteNonQuery()
{
BindParameters();
T_CCI_ERROR err = new T_CCI_ERROR();
int ret = CciInterface.cci_execute(handle, (char)CCIExecutionOption.CCI_EXEC_QUERY_ALL, 0, ref err);
if (ret < 0)
{
throw new CUBRIDException(err.err_msg);
}
columnInfos = CciInterface.cci_get_result_info(conn, handle);
if (this.Parameters.Count > 0)
{
if (this.GetOutModeParameterCount() == 0 || columnInfos == null)
{
CciInterface.cci_close_req_handle(handle);
handle = 0;
return(ret);
}
if ((CciInterface.cci_cursor(handle, 1, CCICursorPosition.CCI_CURSOR_FIRST, ref err)) < 0)
{
throw new CUBRIDException(err.err_msg);
}
if ((CciInterface.cci_fetch(handle, ref err)) < 0)
{
throw new CUBRIDException(err.err_msg);
}
for (int i = 1; i <= this.Parameters.Count; i++)
{
if (this.Parameters[i - 1].Direction == ParameterDirection.InputOutput || this.Parameters[i - 1].Direction == ParameterDirection.Output)
{
object value = new object();
CciInterface.cci_get_value(conn, i, Parameters[i - 1].CUBRIDDataType, ref value);
Parameters[i - 1].Value = value;
}
}
}
CciInterface.cci_close_req_handle(handle);
handle = 0;
return(ret);
}
