public virtual bool Execute <T>(MySqlBase <T> mySqlBase)
{
MySqlErrorCode errorCode = TryExecute(mySqlBase);
if (errorCode == MySqlErrorCode.None)
{
return(true);
}
if (errorCode == MySqlErrorCode.LockDeadlock)
{
// Make sure only 1 async thread retries a transaction so they don't keep dead-locking each other
lock (_deadlockLock)
{
byte loopBreaker = 5; // Handle MySQL Errno 1213 without extending deadlock to the core itself
for (byte i = 0; i < loopBreaker; ++i)
{
if (TryExecute(mySqlBase) == MySqlErrorCode.None)
{
return(true);
}
}
}
}
return(false);
}
public bool Execute <T>(MySqlBase <T> mySqlBase)
{
if (m_holder == null)
{
return(false);
}
// execute all queries in the holder and pass the results
foreach (var pair in m_holder.m_queries)
{
m_holder.SetResult(pair.Key, mySqlBase.Query(pair.Value));
}
return(m_result.TrySetResult(m_holder));
}
public DatabaseWorker(ProducerConsumerQueue <ISqlOperation> newQueue, MySqlBase <T> mySqlBase, int threads = 1)
{
_queue = newQueue;
_mySqlBase = mySqlBase;
_cancelationToken = false;
_workerThreads = new Thread[threads <= 0 ? 1 : threads];
for (int i = 0; i < threads; i++)
{
_workerThreads[i] = new Thread(WorkerThread)
{
Name = $"DB {mySqlBase.ConnectionInfo.Database} Worker Thread#{i}"
};
_workerThreads[i].Start();
}
}
public bool Execute <T>(MySqlBase <T> mySqlBase)
{
if (_needsResult)
{
SQLResult result = mySqlBase.Query(m_stmt);
if (result == null)
{
m_result.SetResult(new SQLResult());
return(false);
}
m_result.SetResult(result);
return(true);
}
return(mySqlBase.DirectExecute(m_stmt));
}
public void AddDatabase <T>(MySqlBase <T> database, MySqlConnectionInfo connectionInfo, int asyncThreads = 1)
{
_open.Add(() =>
{
var error = database.Initialize(connectionInfo, asyncThreads);
if (error != MySqlErrorCode.None)
{
// Database does not exist
if (error == MySqlErrorCode.UnknownDatabase && _autoSetup)
{
Loggers.Server?.Info($"Database \"{connectionInfo.Database}\" does not exist, do you want to create it? [yes (default) / no]: ");
string answer = Console.ReadLine();
if (string.IsNullOrEmpty(answer) || answer[0] != 'y')
{
return(false);
}
Loggers.Server?.Info($"Creating database \"{connectionInfo.Database}\"...");
string sqlString = $"CREATE DATABASE `{connectionInfo.Database}` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci";
// Try to create the database and connect again if auto setup is enabled
if (database.Apply(sqlString) && database.Initialize(connectionInfo, asyncThreads) == MySqlErrorCode.None)
{
error = MySqlErrorCode.None;
}
}
// If the error wasn't handled quit
if (error != MySqlErrorCode.None)
{
Loggers.Server?.Error($"\nDatabase {connectionInfo.Database} NOT opened. There were errors opening the MySQL connections. Check your SQLErrors for specific errors.");
return(false);
}
Loggers.Server?.Info("Done.");
}
return(true);
});
_prepare.Add(() =>
{
database.LoadPreparedStatements();
return(true);
});
}
public MySqlErrorCode TryExecute <T>(MySqlBase <T> mySqlBase)
{
return(mySqlBase.DirectCommitTransaction(m_trans));
}
