コード例 #1
0
        private long GetQueryRecordsetCount()
        {
            long RecordsetCount = 0;

            if (mysqlCnn == null)
            {
                LoggerManager.Log.Info("没有从MySql连接池获取连接对象!\n");
                return(-1);
            }



            for (int i = 0; i < queryConditionList.Count; i++)
            {
                string cmdStr    = $"select COUNT(*) from `{queryConditionList[i].TableName}` where `DataTime` {queryConditionList[i].SelectCondition}";
                long   tempCount = 0;

                MySqlDataReader dataReader = mysqlCnn.ExecuteReader(CommandType.Text, cmdStr, null);

                if (dataReader == null)
                {
                    continue;
                }

                while (dataReader.Read())
                {
                    tempCount = dataReader.GetUInt32(0);
                }

                dataReader.Close();

                queryConditionList[i].offset = RecordsetCount;
                queryConditionList[i].count  = tempCount;

                RecordsetCount += tempCount;
            }

            return(RecordsetCount);
        }
コード例 #2
0
        private List <RecordsetDataStat> GetQueryRecordset()
        {
            List <RecordsetDataStat> tableData = new List <RecordsetDataStat>();

            string statSqlPrefix = "";
            string statSqlSuffix = "";

            int  RecordsetCount = 0;
            long pageSize       = dataStatParam.PageSize;


            if (mysqlCnn == null)
            {
                LoggerManager.Log.Info("MySql连接对象为空!\n");
                return(null);
            }


            switch (dataStatParam.StatType)
            {
            case STAT_TYPE.STAT_YEAR:
                statSqlPrefix = $"select year(DataTime) AS 'Year',FieldValue ";
                statSqlSuffix = "GROUP by YEAR(DataTime)";
                break;

            case STAT_TYPE.STAT_MONTH:
                statSqlPrefix = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',FieldValue ";
                statSqlSuffix = "GROUP by YEAR(DataTime),MONTH(DataTime)";
                break;

            case STAT_TYPE.STAT_QUARTER:
                statSqlPrefix = $"select year(DataTime) AS 'Year',quarter(DataTime) AS 'Quarter',FieldValue ";
                statSqlSuffix = "GROUP by YEAR(DataTime),QUARTER(DataTime)";

                break;

            case STAT_TYPE.STAT_WEEK:
                statSqlPrefix = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',week(DataTime) AS 'Week',FieldValue ";
                statSqlSuffix = "GROUP by YEAR(DataTime),MONTH(DataTime),WEEK(DataTime)";
                break;

            case STAT_TYPE.STAT_DAY:
                statSqlPrefix = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',day(DataTime) AS 'Day',FieldValue ";
                statSqlSuffix = "GROUP by YEAR(DataTime),MONTH(DataTime),DAY(DataTime)";
                break;

            case STAT_TYPE.STAT_HOUR:
                statSqlPrefix = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',day(DataTime) AS 'Day',hour(DataTime) AS 'Hour',FieldValue ";
                statSqlSuffix = "GROUP by YEAR(DataTime),MONTH(DataTime),DAY(DataTime),HOUR(DataTime)";
                break;
            }


            for (int i = 0; i < statConditionList.Count; i++)
            {
                StatQueryCondition tempStatCondition = statConditionList[i];

                string cmdStr = null;


                //if (i == statConditionList.Count-1)
                //{
                //    DateTime dtEnd = Convert.ToDateTime(tempStatCondition.EndDate);
                //    dtEnd = dtEnd.AddHours(1);
                //    tempStatCondition.EndDate = $"{dtEnd.Year}-{dtEnd.Month}-{dtEnd.Day} {dtEnd.Hour}:{dtEnd.Minute}:{dtEnd.Second}"; ;

                //}



                cmdStr  = statSqlPrefix + $"from `{tempStatCondition.TableName}` where `DataTime` ";
                cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}' " + statSqlSuffix;



                //switch (dataStatParam.StatType)
                //{
                //    case STAT_TYPE.STAT_YEAR:
                //        cmdStr = $"select year(DataTime) AS 'Year',FieldValue from `{tempStatCondition.TableName}` where `DataTime` ";
                //        cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}'";
                //        cmdStr += $"Order by YEAR(DataTime)";
                //        break;

                //    case STAT_TYPE.STAT_MONTH:
                //        cmdStr = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',FieldValue from `{tempStatCondition.TableName}` where `DataTime` ";
                //        cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}'";
                //        cmdStr += $"GROUP by YEAR(DataTime),MONTH(DataTime)";
                //        break;

                //    case STAT_TYPE.STAT_QUARTER:
                //        cmdStr = $"select year(DataTime) AS 'Year',quarter(DataTime) AS 'Quarter',FieldValue from `{tempStatCondition.TableName}` where `DataTime` ";
                //        cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}'";
                //        cmdStr += $"GROUP by YEAR(DataTime),QUARTER(DataTime)";
                //        break;

                //    case STAT_TYPE.STAT_WEEK:
                //        cmdStr = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',week(DataTime) AS 'Week',FieldValue from `{tempStatCondition.TableName}` where `DataTime` ";
                //        cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}'";
                //        cmdStr += $"GROUP by YEAR(DataTime),MONTH(DataTime),WEEK(DataTime)";
                //        break;

                //    case STAT_TYPE.STAT_DAY:
                //        cmdStr = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',day(DataTime) AS 'Day',FieldValue from `{tempStatCondition.TableName}` where `DataTime` ";
                //        cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}'";
                //        cmdStr += $"GROUP by YEAR(DataTime),MONTH(DataTime),DAY(DataTime)";
                //        break;

                //    case STAT_TYPE.STAT_HOUR:
                //        cmdStr = $"select year(DataTime) AS 'Year',month(DataTime) AS 'Month',day(DataTime) AS 'Day',hour(DataTime) AS 'Hour',FieldValue from `{tempStatCondition.TableName}` where `DataTime` ";
                //        cmdStr += $"between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}'";
                //        cmdStr += $"GROUP by YEAR(DataTime),MONTH(DataTime),DAY(DataTime),HOUR(DataTime)";
                //        break;
                //}


                MySqlDataReader dataReader = mysqlCnn.ExecuteReader(CommandType.Text, cmdStr, null);

                while (dataReader.Read())
                {
                    RecordsetDataStat newRecordsetData = GetStatRecordData(dataReader);
                    //newRecordsetData.DataTime = dataReader["DataTime"] == null ? "" : ((DateTime)dataReader["DataTime"]).ToString("yyyy-MM-dd hh:mm:ss");
                    ////newRecordsetData.FieldValue = dataReader["FieldValue"] == null ? "" : dataReader["FieldValue"].ToString();

                    //string tempFieldValue = dataReader["FieldValue"] == null ? "" : dataReader["FieldValue"].ToString();

                    //string[] arrayFieldString =  tempFieldValue.Split(',');
                    //float[] arrayFieldValue = new float[arrayFieldString.Length];

                    //for (int fieldIndex = 0; fieldIndex < arrayFieldValue.Length; fieldIndex++)
                    //{
                    //    string tempValue = arrayFieldString[fieldIndex].Trim();
                    //    if (string.IsNullOrEmpty(tempValue))
                    //        arrayFieldValue[fieldIndex] = 0;
                    //    else
                    //    {
                    //        try
                    //        {
                    //            arrayFieldValue[fieldIndex] = float.Parse(tempValue);
                    //        }
                    //        catch (Exception ex)
                    //        {
                    //            arrayFieldValue[fieldIndex] = 0;
                    //        }
                    //    }

                    //}

                    //newRecordsetData.FieldValue = arrayFieldValue;



                    if (RecordsetCount > 1)
                    {
                        float[] arrayFieldValue = tableData[RecordsetCount - 1].FieldValue;

                        for (int fileIndex = 0; fileIndex < arrayFieldValue.Length; fileIndex++)
                        {
                            if (newRecordsetData.FieldValue[fileIndex] >= arrayFieldValue[fileIndex])
                            {
                                arrayFieldValue[fileIndex] = newRecordsetData.FieldValue[fileIndex] - arrayFieldValue[fileIndex];
                            }
                            else
                            {
                                LoggerManager.Log.Error($"Company<{dataStatParam.CompanyCode}>,Device <{ dataStatParam.DeviceCode}>,Table <{ dataStatParam.TableName}> 数据统计错误!");
                            }
                        }
                    }

                    tableData.Add(newRecordsetData);
                    RecordsetCount++;
                }

                dataReader.Close();

                //获取统计的最后一条数据记录
                if (i == statConditionList.Count - 1)
                {
                    string lastRecordSqlStr = statSqlPrefix + $" from `{tempStatCondition.TableName}` where `DataTime` between '{tempStatCondition.StartDate}' and '{tempStatCondition.EndDate}' "; lastRecordSqlStr += "ORDER BY `DataTime` DESC LIMIT 1";

                    MySqlDataReader lastDataReader = mysqlCnn.ExecuteReader(CommandType.Text, lastRecordSqlStr, null);

                    RecordsetDataStat lastRecordsetData = null;


                    while (lastDataReader.Read())
                    {
                        lastRecordsetData = GetStatRecordData(lastDataReader);
                    }

                    lastDataReader.Close();



                    float[] arrayFieldValue = tableData[RecordsetCount - 1].FieldValue;

                    for (int fileIndex = 0; fileIndex < arrayFieldValue.Length; fileIndex++)
                    {
                        if (lastRecordsetData.FieldValue[fileIndex] >= arrayFieldValue[fileIndex])
                        {
                            arrayFieldValue[fileIndex] = lastRecordsetData.FieldValue[fileIndex] - arrayFieldValue[fileIndex];
                        }
                        else
                        {
                            LoggerManager.Log.Error($"Company<{dataStatParam.CompanyCode}>,Device <{ dataStatParam.DeviceCode}>,Table <{ dataStatParam.TableName}> 数据统计错误!");
                        }
                    }
                }
            }

            return(tableData);
        }