[AndyD]

Не слушайте его. Он все врет.

В общем моя ошибка - пропустил один из параметров, в результате Range передавался не как FieldInfo, а как OtherChar.

Время выгрузки - 20с

static void ExportExcelTXT1(Args _args)
{
    LedgerTrans ledgerTrans;
    LedgerTable ledgerTable;
    int timeFullStart, timeFullFinish, timeFullTotal;
    int cnt = 0;
    str Buf, s;
    ComExcelDocument_Ru excel;
    COM                 doc;
    COM                 app;
    TextBuffer          tb;

    COM Workbook;
    COM Workbooks;
    Array fields;
    Com sheet;
    Com range;
    str leftBrace;
    str rightBrace;
    str columnSeparator;
    str rowSeparator;

    #define.xlDelimited(0x00000001)
    #define.xlDoubleQuote(0x00000001)

    #define.fileName("d:\\temp\\demo.txt")

    void AddField(int fldNum, TableId tbl, FieldId fld)
    {
        DictField   dictField;
        Array field;
        #define.xlGeneralFormat(0x00000001)
        #define.xlTextFormat(0x00000002)
        #define.xlMDYFormat(0x00000003)
        #define.xlDMYFormat(0x00000004)
        #define.xlYMDFormat(0x00000005)
        #define.xlMYDFormat(0x00000006)
        #define.xlDYMFormat(0x00000007)
        #define.xlYDMFormat(0x00000008)
        #define.xlSkipColumn(0x00000009)
        ;
        if (!fields)
            fields = new Array(Types::Class);
        dictField = new dictField( tbl, fld );
        field = new Array(Types::Integer);
        field.value(1, fldNum);
        if (dictField)
        {
            switch (dictField.baseType())
            {
                case Types::Date:
                    field.value(2, #xlDMYFormat);
                    break;
                case Types::Enum, Types::String:
                    field.value(2, #xlTextFormat);
                    break;
                default:
                    field.value(2, #xlGeneralFormat);
            }
        }
        else
            field.value(2, #xlGeneralFormat);

        fields.value((fields.lastIndex()+1), field);
    }
    str getFields()
    {
        str ret = "";
        int i;
        Array field;
        ;
        if (!fields) return "";
        for (i=1; i<= fields.lastIndex(); i++)
        {
            field = fields.value(i);
            if (field)
                ret += (ret ? strfmt("%1 ", rowSeparator) : "") +
                        strfmt("%1%3%2", field.value(1), field.value(2), columnSeparator);
        }
        return ret;
    }
    void ArrayLocal(COM xlApp)
    {
        COMVariant var;
        str alternateArraySeparator;
        str decimalSeparator;
        #define.xlDecimalSeparator(0x00000003)
        #define.xlLeftBrace(0x0000000C)
        #define.xlRightBrace(0x0000000D)
        #define.xlColumnSeparator(0x0000000E)
        #define.xlRowSeparator(0x0000000F)
        #define.xlAlternateArraySeparator(0x00000010)
        ;
        if (!xlApp)
        {
            leftBrace = "{";
            rightBrace = "}";
            columnSeparator = ";";
            rowSeparator = ":";
            return;
        }
        var = xlApp.International(#xlDecimalSeparator);
        if (var)
            decimalSeparator = var.bStr();
        else
            decimalSeparator = ",";
        var = xlApp.International(#xlLeftBrace);
        if (var)
            leftBrace = var.bStr();
        else
            leftBrace = "{";
        var = xlApp.International(#xlRightBrace);
        if (var)
            rightBrace = var.bStr();
        else
            rightBrace = "}";
        var = xlApp.International(#xlColumnSeparator);
        if (var)
            columnSeparator = var.bStr();
        else
            columnSeparator = ";";
        var = xlApp.International(#xlRowSeparator);
        if (var)
            rowSeparator = var.bStr();
        else
            rowSeparator = ":";
        var = xlApp.International(#xlAlternateArraySeparator);
        if (var)
            alternateArraySeparator = var.bStr();
        else
            alternateArraySeparator = "&";
        columnSeparator = (columnSeparator == decimalSeparator ? alternateArraySeparator : columnSeparator);
        rowSeparator = (rowSeparator == decimalSeparator ? alternateArraySeparator : rowSeparator);
    }
    // засекаем время
    timeFullStart = timenow();

    excel = new ComExcelDocument_Ru();
    excel.newFile("", false);
    doc = excel.getComDocument();
    app = doc.application();
    ArrayLocal(app);

    buf = "RecId\tAccountNum\tAccountName\tAccountPlType\tBondBatchTrans_RU\tBondBatch_RU\tTransDate\tTxt\tAmountMST\tCrediting\n";

    cnt++;
    while select  ledgerTrans
            join  ledgerTable
            where ledgerTrans.AccountNum == ledgerTable.AccountNum
                && ledgerTrans.TransDate >= str2date('dd.mm.yy',123) && ledgerTrans.TransDate <= str2date('DD.MM.YY',123)
    {
            // 10 полей
        buf +=
            strfmt(
                "%1\t%2\t%3\t%4\t%5\t%6\t%7\t%8\t%9\t%10\n",
                ledgerTrans.RecId, ledgerTrans.AccountNum, ledgerTable.AccountName, ledgerTable.AccountPlType,
                ledgerTrans.BondBatchTrans_RU, ledgerTrans.BondBatch_RU,
                date2str(ledgerTrans.TransDate, 123, 2, 2, 2, 2, 4), ledgerTrans.Txt,
                strltrim(strrem(num2str(ledgerTrans.AmountMST, 10, 2, 2, 3), "+")), ledgerTrans.Crediting);

        cnt++;
        if (cnt >=65000) break;
    }
    tb = new TextBuffer();
    tb.setText(buf);
    tb.toFile(#fileName);

    addField( 1, ledgerTrans.TableId, fieldnum(ledgerTrans, RecId));
    addField( 2, ledgerTrans.TableId, fieldnum(ledgerTrans, AccountNum));
    addField( 3, ledgerTable.TableId, fieldnum(ledgerTable, AccountName));
    addField( 4, ledgerTable.TableId, fieldnum(ledgerTable, AccountPlType));
    addField( 5, ledgerTrans.TableId, fieldnum(ledgerTrans, BondBatchTrans_RU));
    addField( 6, ledgerTrans.TableId, fieldnum(ledgerTrans, BondBatch_RU));
    addField( 7, ledgerTrans.TableId, fieldnum(ledgerTrans, TransDate));
    addField( 8, ledgerTrans.TableId, fieldnum(ledgerTrans, Txt));
    addField( 9, ledgerTrans.TableId, fieldnum(ledgerTrans, AmountMST));
    addField(10, ledgerTrans.TableId, fieldnum(ledgerTrans, Crediting));

    Workbook = app.ActiveWorkbook();
    sheet = app.ActiveSheet();
    range = sheet.range("A1:B10");
    s = strfmt("=%1%3%2", leftBrace, rightBrace, getFields());
    range.FormulaArray(s);

    Workbooks = app.Workbooks();
    Workbooks.OpenText(#fileName, COMVariant::createFromInt(1251), 1,
        #xlDelimited, #xlDoubleQuote, False, True, False, False, False, False, "",
        range, True, ",", " ");

    App.DisplayAlerts(false);
    Workbook.Close();
    App.DisplayAlerts(true);

    excel.visible(true);

    timeFullFinish = timenow();
    timeFullTotal = timeFullFinish - timeFullStart;
    info('Время выполнения, сек');
    info(int2str(timeFullTotal));
}

PS Исправил для поддержки английской и русской версий Excel