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Mantis#1736. Thank you kindly, StrawberryFride for a patch that:

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Many issues with handling connections in MSSQL, have rearchitected to 
ensure that connections are always opened and closed in a timely fashion 
& disposed of cleanly, and removed unnecessary lock statements. SQL 
Server performance seems to have improved considerably as a result, 
and various timeout errors seem to have been fixed.
This commit is contained in:
Charles Krinke
2008-07-17 13:43:31 +00:00
parent ed4241583f
commit e8412dcd42
8 changed files with 780 additions and 709 deletions
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33
OpenSim/Data/MSSQL/MSSQLLogData.cs
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@@ -31,7 +31,7 @@ using System.Data;
namespace OpenSim.Data.MSSQL
{
/// <summary>
/// An interface to the log database for MySQL
/// An interface to the log database for MSSQL
/// </summary>
internal class MSSQLLogData : ILogData
{
@@ -46,26 +46,27 @@ namespace OpenSim.Data.MSSQL
public void Initialise(string connect)
{
// TODO: do something with the connect string
IniFile GridDataMySqlFile = new IniFile("mssql_connection.ini");
string settingDataSource = GridDataMySqlFile.ParseFileReadValue("data_source");
string settingInitialCatalog = GridDataMySqlFile.ParseFileReadValue("initial_catalog");
string settingPersistSecurityInfo = GridDataMySqlFile.ParseFileReadValue("persist_security_info");
string settingUserId = GridDataMySqlFile.ParseFileReadValue("user_id");
string settingPassword = GridDataMySqlFile.ParseFileReadValue("password");
IniFile gridDataMSSqlFile = new IniFile("mssql_connection.ini");
string settingDataSource = gridDataMSSqlFile.ParseFileReadValue("data_source");
string settingInitialCatalog = gridDataMSSqlFile.ParseFileReadValue("initial_catalog");
string settingPersistSecurityInfo = gridDataMSSqlFile.ParseFileReadValue("persist_security_info");
string settingUserId = gridDataMSSqlFile.ParseFileReadValue("user_id");
string settingPassword = gridDataMSSqlFile.ParseFileReadValue("password");
database =
new MSSQLManager(settingDataSource, settingInitialCatalog, settingPersistSecurityInfo, settingUserId,
settingPassword);
IDbCommand cmd = database.Query("select top 1 * from logs", new Dictionary<string, string>());
try
using (IDbCommand cmd = database.Query("select top 1 * from logs", new Dictionary<string, string>()))
{
cmd.ExecuteNonQuery();
cmd.Dispose();
}
catch
{
database.ExecuteResourceSql("Mssql-logs.sql");
try
{
cmd.ExecuteNonQuery();
}
catch
{
database.ExecuteResourceSql("Mssql-logs.sql");
}
}
}
@@ -88,7 +89,7 @@ namespace OpenSim.Data.MSSQL
}
catch
{
database.Reconnect();
// it didn't log, don't worry about it
}
}