121 lines
4.3 KiB
C#
121 lines
4.3 KiB
C#
using Aitex.Core.RT.DBCore;
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using MECF.Framework.Common.DataCenter;
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using Sicentury.Core.EventArgs;
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using Sicentury.Core.Tree;
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using Sicentury.Core;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using MECF.Framework.Common.Equipment;
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using System.Drawing.Text;
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using Aitex.Core.RT.Log;
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namespace MECF.Framework.RT.EquipmentLibrary.HardwareUnits.MfcCalculation
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{
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public class MfcSqlHelp
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{
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public static List<double> Query(string module,string tabName, string name,DateTime start,DateTime end)
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{
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var daySlices =DateRangeHelper.SplitInToHours(new DateRangeHelper(start, end), 12);
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string tableName = module;
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string propertyCmd = "," + $"\"{module}.{tabName}.{name}.FeedBack\"";
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string property = $"{module}.{tabName}.{name}.FeedBack";
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return GetData(GetDataSetList(daySlices, tableName, propertyCmd, property), property);
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}
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private static List<DataSet> GetDataSetList(IEnumerable<DateRangeHelper> daySlices, string tableName, string propertyCmd,string property)
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{
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List<DataSet> DataSetList = new List<DataSet>();
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foreach (var range in daySlices)
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{
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var ts = range.Diff;
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for (var day = 0; day <= ts.Days; day++)
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{
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var tblName = $"{range.Start.AddDays(day):yyyyMMdd}.{tableName}";
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var sql = new StringBuilder();
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// 检查表名是否存在，否则SQL执行出错。
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if (CheckTableExists(tblName))
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{
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sql.Append("select time AS InternalTimeStamp");
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// 添加待查询的列
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sql.Append(propertyCmd);
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sql.Append($" from \"{tblName}\"");
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if (day < ts.Days)
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sql.Append(" UNION ");
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sql.Append(
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$" where time between {range.Start.Ticks} and {range.End.Ticks} and '{property}' is not NULL order by InternalTimeStamp asc");
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try
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{
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DataSet dataSet = DB.ExecuteDataset(sql.ToString());
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if (dataSet is not null && dataSet.Tables[0].Rows.Count > 0)
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DataSetList.Add(dataSet);
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}
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catch (Exception ex)//查询较早日期时，可能不存在属性会报错
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{
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}
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}
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}
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}
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return DataSetList;
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}
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private static List<double> GetData(List<DataSet> dataSetList, string property)
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{
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string rowStr;
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List<double> values = new List<double>();
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foreach (DataSet ds in dataSetList)
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{
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try
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{
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for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
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{
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rowStr = ds.Tables[0].Rows[i][property].ToString();
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if (rowStr is not null && rowStr.Length == 0)
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continue;
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double bd = double.Parse(ds.Tables[0].Rows[i][property].ToString());
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if (bd > 0)
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values.Add(bd);
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}
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}
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catch (Exception ex)
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{
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}
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}
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return values;
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}
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private static bool CheckTableExists(string tableName)
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{
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var sql =
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$"SELECT EXISTS ( SELECT FROM pg_tables WHERE schemaname = 'public' AND tablename = '{tableName}' )";
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var table = DB.ExecuteDataset(sql);
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if (table == null)
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return false;
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if (table.Tables[0].Rows.Count <= 0)
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return false;
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var value = table.Tables[0].Rows[0]["exists"].ToString();
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if (value.ToLower() == "true")
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return true;
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return false;
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}
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}
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}
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