Exemplo n.º 1
0
 public MeasureByWeek(AdomdDataReader reader, string measure)
 {
     var member = reader["[Time].[Week].[Week].[MEMBER_CAPTION]"] as string;
     var weekStr = member.Substring(_weekPrefix);
     Week = DateTime.Parse(weekStr);
     Values = reader.IsDBNull(reader.GetOrdinal(measure)) ? (double?)null : double.Parse(reader[measure].ToString());
 }
Exemplo n.º 2
0
        /// <summary>
        /// Returns a dictionary of row label to value retrieved from a query (command) applied to a cube (CubeInfo).
        /// </summary>
        /// <param name="cubeInfo"></param>
        /// <param name="command"></param>
        /// <returns></returns>
        public Dictionary <string, double> GetSlicedMeasureData(CubeInfo cubeInfo, string command)
        {
            Dictionary <string, double> datalist = new Dictionary <string, double>();

            string connection = cubeInfo.getStandardConnectionString();

            try
            {
                using (AdomdConnection conn = new AdomdConnection(connection))
                {
                    conn.Open();

                    using (AdomdCommand cmd = conn.CreateCommand())
                    {
                        cmd.CommandText = command;

                        using (AdomdDataReader result = cmd.ExecuteReader())
                        {
                            while (result.Read())
                            {
                                string label = "";
                                if (!result.IsDBNull(0))
                                {
                                    label = result[0].ToString();
                                }
                                double value = 0;
                                if (!result.IsDBNull(2))
                                {
                                    value = result.GetDouble(2);
                                }

                                datalist.Add(label, value);
                            }
                        }
                    }
                    conn.Close();
                }
            }
            catch (AdomdErrorResponseException aere)
            {
                Utility.WriteToConsole(string.Format(Constants.invalid, aere.Message), 100);
            }

            return(datalist);
        }
Exemplo n.º 3
0
        public HttpResponseMessage comparativa(DatosComparar comp)
        {
            string ROWS      = @"NON EMPTY { [Dim Tiempo].[Dim Tiempo Año].CHILDREN } * { [Dim Tiempo].[Dim Tiempo Mes Siglas].CHILDREN } ON ROWS ";
            string CUBO_NAME = @"[DWH Northwind] ";
            string WHERE     = "";
            string dimension = @"";
            string coma      = "";

            foreach (var dato in comp.Nombres)
            {
                switch (comp.dimension)
                {
                case 1: dimension += coma + @"[Dim Cliente].[Dim Cliente Nombre].&[" + dato + "]"; break;

                case 2: dimension += coma + @"[Dim Producto].[Dim Producto Nombre].&[" + dato + "]"; break;

                case 3: dimension += coma + @"[Dim Producto].[Dim Producto Categoria].&[" + dato + "]"; break;

                case 4: dimension += coma + @"[Dim Empleado].[Dim Empleado Nombre].&[" + dato + "]"; break;
                }
                coma = ", ";
            }

            string COLUMNS  = @" NON EMPTY { [Measures].[Fact Ventas Netas] } * { " + dimension + " } ON COLUMNS,";
            string MDXQuery = "SELECT " + COLUMNS + ROWS + "FROM " + CUBO_NAME + WHERE;

            List <Comparativa> ventasUsuario = new List <Comparativa>();

            using (AdomdConnection cnn = new AdomdConnection(ConfigurationManager.ConnectionStrings["CuboNorthwind"].ConnectionString))
            {
                cnn.Open();
                using (AdomdCommand cmd = new AdomdCommand(MDXQuery, cnn))
                {
                    using (AdomdDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection))
                    {
                        int fi = dr.FieldCount;

                        while (dr.Read())
                        {
                            Comparativa    v        = new Comparativa();
                            List <decimal> listaUsu = new List <decimal>();

                            v.fecha = dr.GetString(1) + " " + dr.GetString(0);
                            for (int i = 2; i < fi; i++)
                            {
                                decimal valor = dr.IsDBNull(i) ? 0 : dr.GetDecimal(i);
                                listaUsu.Add(valor);
                            }
                            v.Datos = listaUsu;
                            ventasUsuario.Add(v);
                        }
                        dr.Close();
                    }
                }
            }
            return(Request.CreateResponse(HttpStatusCode.OK, ventasUsuario));
        }
Exemplo n.º 4
0
        private static string stringify(AdomdDataReader row, int i)
        {
            if (row.IsDBNull(i))
            {
                return(null);
            }

            var type = row.GetFieldType(i);

            if (type == typeof(byte[]) || type == typeof(char[]))
            {
                return(Convert.ToBase64String((byte[])row.GetValue(i)));
            }
            else if (type == typeof(IDataReader))
            {
                return("<IDataReader>");
            }
            return(row.GetValue(i).ToString());
        }
Exemplo n.º 5
0
        public Task OutputResultsAsync(IQueryRunner runner)
        {
            var dlg = new Microsoft.Win32.SaveFileDialog
            {
                DefaultExt = ".txt",
                Filter     = "Tab separated text file|*.txt|Comma separated text file - UTF8|*.csv|Comma separated text file - Unicode|*.csv"
            };

            string fileName = "";

            // Show save file dialog box
            var result = dlg.ShowDialog();

            // Process save file dialog box results
            if (result == true)
            {
                // Save document
                fileName = dlg.FileName;
                return(Task.Run(() =>
                {
                    try
                    {
                        runner.OutputMessage("Query Started");
                        var sw = Stopwatch.StartNew();
                        string sep = "\t";
                        string decimalSep = System.Globalization.CultureInfo.CurrentUICulture.NumberFormat.CurrencyDecimalSeparator;
                        string isoDateFormat = string.Format("yyyy-MM-dd HH:mm:ss{0}000", decimalSep);
                        Encoding enc = Encoding.UTF8;
                        switch (dlg.FilterIndex)
                        {
                        case 1:     // tab separated
                            sep = "\t";
                            break;

                        case 2:     // utf-8 csv
                            sep = System.Globalization.CultureInfo.CurrentUICulture.TextInfo.ListSeparator;
                            break;

                        case 3:     //unicode csv
                            enc = Encoding.Unicode;
                            sep = System.Globalization.CultureInfo.CurrentUICulture.TextInfo.ListSeparator;
                            break;
                        }

                        var dq = runner.QueryText;
                        //var res = runner.ExecuteDataTableQuery(dq);
                        AdomdDataReader res = runner.ExecuteDataReaderQuery(dq);

                        if (res != null)
                        {
                            sw.Stop();
                            var durationMs = sw.ElapsedMilliseconds;
                            //runner.ResultsTable = res;
                            runner.OutputMessage("Command Complete, writing output file");

                            var sbLine = new StringBuilder();
                            bool moreResults = true;
                            int iFileCnt = 1;
                            while (moreResults)
                            {
                                int iMaxCol = res.FieldCount - 1;
                                int iRowCnt = 0;
                                if (iFileCnt > 1)
                                {
                                    fileName = AddFileCntSuffix(fileName, iFileCnt);
                                }
                                using (var writer = new StreamWriter(File.Open(fileName, FileMode.Create), enc))
                                {
                                    // write out clean column names
                                    writer.WriteLine(string.Join(sep, res.CleanColumnNames()));

                                    // write out data
                                    while (res.Read())
                                    {
                                        iRowCnt++;
                                        for (int iCol = 0; iCol < res.FieldCount; iCol++)
                                        {
                                            switch (res.GetDataTypeName(iCol))
                                            {
                                            case "Decimal":
                                            case "Int64":
                                                if (!res.IsDBNull(iCol))
                                                {
                                                    sbLine.Append(res.GetString(iCol));
                                                }
                                                break;

                                            case "DateTime":
                                                if (res.IsDBNull(iCol))
                                                {
                                                    sbLine.Append("\"\"");
                                                }
                                                else
                                                {
                                                    sbLine.Append(res.GetDateTime(iCol).ToString(isoDateFormat));
                                                }                                                                          // ISO date format
                                                break;

                                            default:
                                                sbLine.Append("\"");
                                                if (!res.IsDBNull(iCol))
                                                {
                                                    sbLine.Append(res.GetString(iCol).Replace("\"", "\"\"").Replace("\n", " "));
                                                }
                                                sbLine.Append("\"");
                                                break;
                                            }

                                            if (iCol < iMaxCol)
                                            {
                                                sbLine.Append(sep);
                                            }
                                        }
                                        writer.WriteLine(sbLine);
                                        sbLine.Clear();
                                        if (iRowCnt % 1000 == 0)
                                        {
                                            runner.NewStatusBarMessage(string.Format("Written {0:n0} rows to the file output", iRowCnt));
                                        }
                                    }
                                }
                                runner.OutputMessage(
                                    string.Format("Query Completed ({0:N0} row{1} returned)"
                                                  , iRowCnt
                                                  , iRowCnt == 1 ? "" : "s"), durationMs);
                                runner.RowCount = iRowCnt;
                                moreResults = res.NextResult();
                                iFileCnt++;
                            }
                            runner.SetResultsMessage("Query results written to file", OutputTargets.Grid);
                            //runner.QueryCompleted();
                            runner.ActivateOutput();
                        }
                        res.Close();
                    }
                    catch (Exception ex)
                    {
                        runner.ActivateOutput();
                        runner.OutputError(ex.Message);
#if DEBUG
                        runner.OutputError(ex.StackTrace);
#endif
                    }
                    finally
                    {
                        runner.QueryCompleted();
                    }
                }));
            }
            // else dialog was cancelled so return an empty task.
            return(Task.Run(() => { }));
        }
Exemplo n.º 6
0
        public void LoadData(AdomdDataReader reader)
        {
            ClearGrid();

            int iColCount = reader.FieldCount;
            this.ColumnsCount = iColCount;
            this.RowsCount = 1;

            // set the column headers
            for (int i = 0; i < iColCount; i++)
            {
                string sColumn = reader.GetName(i);

                SetHeaderValue(0, i, sColumn);
            }

            int iRow = 1;
            this.RowsCount = 1;
            while (reader.Read())
            {
                this.RowsCount++;
                for(int iCol=0; iCol < iColCount; iCol++)
                {
                    if (!reader.IsDBNull(iCol))
                    {
                        string sValue = reader.GetValue(iCol).ToString();
                        SetCellValue(iRow, iCol, sValue);
                    }
                    else
                    {
                        SetCellValue(iRow, iCol, "");
                    }
                }
                iRow++;
            }
        }
Exemplo n.º 7
0
 public MeasureByMonth(AdomdDataReader reader, string measure)
 {
     var member = reader["[Time].[Month].[Month].[MEMBER_CAPTION]"] as string;
     Month = DateTime.ParseExact(member, "MMMM yyyy", CultureInfo.InvariantCulture);
     Values = reader.IsDBNull(reader.GetOrdinal(measure)) ? (double?)null : double.Parse(reader[measure].ToString());
 }