Копирование записи в пределах одной и той же таблицы

procedure TForm1.Button1Click(Sender: TObject);
var
  i: Cardinal;
  srcStream: TBlobStream;
begin
  try
    with Table1 do
    begin
      CheckBrowseMode;
      if EOF or BOF then
        raise Exception.Create('Разместите курсор на правильной строке');
    end;
    with Table2 do
    begin
      Append;
      for i := 0 to Table1.FieldCount - 1 do
        if Table1.Fields[i].DataType < ftBytes then
          FieldByName(Table1.Fields[i].FieldName).Assign(Table1.Fields[i])
        else
        try
          srcStream := nil;
          srcStream := TBlobStream.Create(TBlobField(Table1.Fields[i]), bmRead);
          TBlobField(FieldByName(Table1.Fields[i].FieldName)).LoadFromStream(srcStream);
        finally
          if Assigned(srcStream) then
            srcStream.Free;
        end;
      Post;
    end;
  except
    on E: EDBEngineError do
      MessageDlg(E.Message, mtError, [mbOk], 0);
    on E: Exception do
      MessageDlg(E.Message, mtError, [mbOk], 0);
  end;
end;