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Optimize the LocalPriceCache

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This commit is contained in:
Sean
2025-04-04 16:37:29 -04:00
parent d311da99c5
commit a213dec5d5
2 changed files with 95 additions and 100 deletions
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111
MarketDataLib/DataAccess/PricingDA.cs
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@@ -1,10 +1,9 @@
using System;
using System.Text;
using System.Diagnostics;
using System.Collections.Generic;
using System.Text;
using MySql.Data.MySqlClient;
using MarketData.MarketDataModel;
using MarketData.Utils;
using System;
using System.Collections.Generic;
namespace MarketData.DataAccess
{
@@ -87,7 +86,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -129,7 +128,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -165,7 +164,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand) sqlCommand.Dispose();
if(null!=sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if(null!=sqlConnection) sqlConnection.Close();
}
}
@@ -211,7 +210,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -247,7 +246,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -284,10 +283,54 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand) sqlCommand.Dispose();
if(null!=sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if(null!=sqlConnection) sqlConnection.Close();
}
}
public static Dictionary<String,DateTime> GetLatestDates(List<String> symbols)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand = null;
String strQuery = null;
Dictionary<String,DateTime> latestDates = new Dictionary<String,DateTime>();
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sb.Append(" select symbol, max(date) as date ");
sb.Append(" from prices where symbol in").Append(SqlUtils.CreateInClause(symbols));
sb.Append(" group by symbol order by symbol");
strQuery = sb.ToString();
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
if(sqlDataReader.IsDBNull(0) || sqlDataReader.IsDBNull(1))continue;
String symbol = sqlDataReader.GetString(0);
DateTime latestDate = sqlDataReader.GetDateTime(1);
if(latestDates.ContainsKey(symbol))continue;
latestDates.Add(symbol, latestDate);
}
return latestDates;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Query was {0}",strQuery));
return latestDates;
}
finally
{
if (null != sqlCommand) sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static DateTime GetLatestDate(List<String> symbols)
{
MySqlConnection sqlConnection = null;
@@ -326,7 +369,7 @@ namespace MarketData.DataAccess
finally
{
if (null != sqlCommand) sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -362,7 +405,7 @@ namespace MarketData.DataAccess
finally
{
if (null != sqlCommand) sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -400,7 +443,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand) sqlCommand.Dispose();
if(null!=sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if(null!=sqlConnection) sqlConnection.Close();
}
}
@@ -437,7 +480,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -476,7 +519,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -513,7 +556,7 @@ namespace MarketData.DataAccess
finally
{
if (null != sqlCommand) sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -551,7 +594,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand) sqlCommand.Dispose();
if(null!=sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if(null!=sqlConnection) sqlConnection.Close();
}
}
@@ -588,7 +631,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -625,7 +668,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -670,7 +713,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -707,7 +750,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -743,7 +786,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -779,7 +822,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -819,7 +862,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -855,7 +898,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -940,7 +983,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -993,7 +1036,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -1048,7 +1091,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -1103,7 +1146,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -1157,7 +1200,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -1212,7 +1255,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand) sqlCommand.Dispose();
if(null!=sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if(null!=sqlConnection) sqlConnection.Close();
MDTrace.WriteLine(LogLevel.DEBUG,String.Format("[GetPricesForward] Done, took {0}(ms)",profiler.End()));
}
@@ -1262,7 +1305,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -1320,7 +1363,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}
@@ -1370,7 +1413,7 @@ namespace MarketData.DataAccess
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlDataReader) {sqlDataReader.Close();sqlDataReader.Dispose();}
if (null != sqlConnection) sqlConnection.Close();
}
}