bool MySQLConnection::_Query(PreparedStatement* stmt, MYSQL_RES **pResult, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
uint32 index = stmt->m_index;
{
MySQLPreparedStatement* m_mStmt = GetPreparedStatement(index);
ASSERT(m_mStmt); // Can only be null if preparation failed, server side error or bad query
m_mStmt->m_stmt = stmt; // Cross reference them for debug output
stmt->m_stmt = m_mStmt; // TODO: Cleaner way
stmt->BindParameters();
MYSQL_STMT* msql_STMT = m_mStmt->GetSTMT();
MYSQL_BIND* msql_BIND = m_mStmt->GetBind();
uint32 _s = 0;
if (sLogMgr->IsLogEnabled(SQLDRIVER_LOG))
_s = getMSTime();
if (mysql_stmt_bind_param(msql_STMT, msql_BIND))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLogMgr->WriteLn(SQLDRIVER_LOG, "SQL(p): %s\n [ERROR]: [%u] %s", m_mStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(stmt, pResult, pRowCount, pFieldCount); // Try again
m_mStmt->ClearParameters();
return false;
}
if (mysql_stmt_execute(msql_STMT))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLogMgr->WriteLn(SQLDRIVER_LOG, "SQL(p): %s\n [ERROR]: [%u] %s",
m_mStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(stmt, pResult, pRowCount, pFieldCount); // Try again
m_mStmt->ClearParameters();
return false;
}
if (sLogMgr->IsLogEnabled(SQLDRIVER_LOG))
sLogMgr->WriteLn(SQLDRIVER_LOG, "[%u ms] SQL(p): %s", getMSTimeDiff(_s, getMSTime()), m_mStmt->getQueryString(m_queries[index].first).c_str());
m_mStmt->ClearParameters();
*pResult = mysql_stmt_result_metadata(msql_STMT);
*pRowCount = mysql_stmt_num_rows(msql_STMT);
*pFieldCount = mysql_stmt_field_count(msql_STMT);
return true;
}
}
bool MySQLConnection::Execute(PreparedStatement* stmt)
{
if (!m_Mysql)
return false;
uint32 index = stmt->m_index;
{
MySQLPreparedStatement* m_mStmt = GetPreparedStatement(index);
ASSERT(m_mStmt); // Can only be null if preparation failed, server side error or bad query
m_mStmt->m_stmt = stmt; // Cross reference them for debug output
stmt->m_stmt = m_mStmt; // TODO: Cleaner way
stmt->BindParameters();
MYSQL_STMT* msql_STMT = m_mStmt->GetSTMT();
MYSQL_BIND* msql_BIND = m_mStmt->GetBind();
uint32 _s = 0;
if (sLog->GetSQLDriverQueryLogging())
_s = getMSTime();
if (mysql_stmt_bind_param(msql_STMT, msql_BIND))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outSQLDriver("[ERROR]: PreparedStatement (id: %u, database: `%s`) error binding params: [%u] %s",
index, m_connectionInfo.database.c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled succesfuly (ie reconnection)
return Execute(stmt); // Try again
m_mStmt->ClearParameters();
return false;
}
if (mysql_stmt_execute(msql_STMT))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outSQLDriver("[ERROR]: PreparedStatement (id: %u, database: `%s`) error executing: [%u] %s",
index, m_connectionInfo.database.c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled succesfuly (ie reconnection)
return Execute(stmt); // Try again
m_mStmt->ClearParameters();
return false;
}
if (sLog->GetSQLDriverQueryLogging())
sLog->outSQLDriver("[%u ms] Prepared SQL: %u on database `%s`",
getMSTimeDiff(_s, getMSTime()), index, m_connectionInfo.database.c_str());
m_mStmt->ClearParameters();
return true;
}
}
bool MySQLConnection::Execute(PreparedStatement* stmt)
{
if (!m_Mysql)
return false;
uint32 index = stmt->m_index;
{
MySQLPreparedStatement* m_mStmt = GetPreparedStatement(index);
/*ASSERT*/(m_mStmt); // Can only be null if preparation failed, server side error or bad query
m_mStmt->m_stmt = stmt; // Cross reference them for debug output
stmt->m_stmt = m_mStmt; // TODO: Cleaner way
stmt->BindParameters();
MYSQL_STMT* msql_STMT = m_mStmt->GetSTMT();
MYSQL_BIND* msql_BIND = m_mStmt->GetBind();
uint32 _s = 0;
if (sLog->GetSQLDriverQueryLogging())
_s = getMSTime();
if (mysql_stmt_bind_param(msql_STMT, msql_BIND))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outSQLDriver("SQL(p): %s\n [ERROR]: [%u] %s", m_mStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(stmt); // Try again
m_mStmt->ClearParameters();
return false;
}
if (mysql_stmt_execute(msql_STMT))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outSQLDriver("SQL(p): %s\n [ERROR]: [%u] %s", m_mStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(stmt); // Try again
m_mStmt->ClearParameters();
return false;
}
if (sLog->GetSQLDriverQueryLogging())
sLog->outSQLDriver("[%u ms] SQL(p): %s", getMSTimeDiff(_s, getMSTime()), m_mStmt->getQueryString(m_queries[index].first).c_str());
m_mStmt->ClearParameters();
return true;
}
}
bool MySqlConnection::_Query(PreparedStmt* stmt, MYSQL_RES **pResult, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
uint32 index = stmt->m_stmtIndex;
{
MySqlPreparedStmt* pStmt = GetPreparedStatement(index);
pStmt->m_pPrepareStmt = stmt; // Cross reference them for debug output
stmt->m_pStmt = pStmt; /// @todo Cleaner way
stmt->bindParameters();
MYSQL_STMT* msql_STMT = pStmt->GetMySqlStmt();
MYSQL_BIND* msql_BIND = pStmt->GetBind();
if (mysql_stmt_bind_param(msql_STMT, msql_BIND))
{
uint32 lErrno = mysql_errno(m_Mysql);
ERROR_LOG("SQL(p): %s\n [ERROR]: [%u] %s\n", pStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(stmt, pResult, pRowCount, pFieldCount); // Try again
pStmt->clearParameters();
return false;
}
TRACE_LOG("Exe SQL(p): %s\n\n", pStmt->getQueryString(m_queries[index].first).c_str());
if (mysql_stmt_execute(msql_STMT))
{
uint32 lErrno = mysql_errno(m_Mysql);
ERROR_LOG("SQL(p): %s\n [ERROR]: [%u] %s\n",
pStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(stmt, pResult, pRowCount, pFieldCount); // Try again
pStmt->clearParameters();
return false;
}
pStmt->clearParameters();
*pResult = mysql_stmt_result_metadata(msql_STMT);
*pRowCount = mysql_stmt_num_rows(msql_STMT);
*pFieldCount = mysql_stmt_field_count(msql_STMT);
return true;
}
}
bool MySQLConnection::Execute(PreparedStatement* stmt)
{
if (!m_Mysql)
return false;
uint32 index = stmt->m_index;
{
MySQLPreparedStatement* m_mStmt = GetPreparedStatement(index);
ASSERT(m_mStmt); // Can only be null if preparation failed, server side error or bad query
m_mStmt->m_stmt = stmt; // Cross reference them for debug output
stmt->m_stmt = m_mStmt; /// @todo Cleaner way
stmt->BindParameters();
MYSQL_STMT* msql_STMT = m_mStmt->GetSTMT();
MYSQL_BIND* msql_BIND = m_mStmt->GetBind();
boost::timer _s;
if (mysql_stmt_bind_param(msql_STMT, msql_BIND))
{
uint32 lErrno = mysql_errno(m_Mysql);
_LOG_ERROR(LOG_FILTER_SQL, "SQL(p): %s\n [ERROR]: [%u] %s", m_mStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(stmt); // Try again
m_mStmt->ClearParameters();
return false;
}
if (mysql_stmt_execute(msql_STMT))
{
uint32 lErrno = mysql_errno(m_Mysql);
_LOG_ERROR(LOG_FILTER_SQL, "SQL(p): %s\n [ERROR]: [%u] %s", m_mStmt->getQueryString(m_queries[index].first).c_str(), lErrno, mysql_stmt_error(msql_STMT));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(stmt); // Try again
m_mStmt->ClearParameters();
return false;
}
_LOG_DEBUG(LOG_FILTER_SQL, "[%u ms] SQL(p): %s",(uint32)_s.elapsed(), m_mStmt->getQueryString(m_queries[index].first).c_str());
m_mStmt->ClearParameters();
return true;
}
}
bool MySQLConnection::Execute(const char* sql)
{
if (!m_Mysql)
return false;
{
uint32 _s = 0;
if (sLog->GetSQLDriverQueryLogging())
_s = getMSTime();
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outSQLDriver("SQL: %s", sql);
sLog->outSQLDriver("ERROR: [%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(sql); // Try again
return false;
}
else if (sLog->GetSQLDriverQueryLogging())
{
sLog->outSQLDriver("[%u ms] SQL: %s", getMSTimeDiff(_s, getMSTime()), sql);
}
}
return true;
}
bool MySQLConnection::Execute(char const* sql)
{
if (!m_Mysql)
return false;
{
uint32 _s = getMSTime();
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
TC_LOG_INFO("sql.sql", "SQL: %s", sql);
TC_LOG_ERROR("sql.sql", "[%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(sql); // Try again
return false;
}
else
TC_LOG_DEBUG("sql.sql", "[%u ms] SQL: %s", getMSTimeDiff(_s, getMSTime()), sql);
}
return true;
}
bool MySQLConnection::Execute(const char* sql)
{
if (!m_Mysql)
return false;
{
uint32 _s = 0;
if (sLogMgr->IsLogEnabled(SQLDRIVER_LOG))
_s = getMSTime();
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLogMgr->WriteLn(SQLDRIVER_LOG, "SQL: %s", sql);
sLogMgr->WriteLn(SQLDRIVER_LOG, "ERROR: [%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(sql); // Try again
return false;
}
else if (sLogMgr->IsLogEnabled(SQLDRIVER_LOG))
{
sLogMgr->WriteLn(SQLDRIVER_LOG, "[%u ms] SQL: %s", getMSTimeDiff(_s, getMSTime()), sql);
}
}
return true;
}
bool MySqlConnection::_Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
{
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
TRACE_LOG("SQL: %s\n", sql);
ERROR_LOG("[%u] %s\n", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(sql, pResult, pFields, pRowCount, pFieldCount); // We try again
return false;
}
*pResult = mysql_store_result(m_Mysql);
*pRowCount = mysql_affected_rows(m_Mysql);
*pFieldCount = mysql_field_count(m_Mysql);
}
if (!*pResult )
return false;
if (!*pRowCount)
{
mysql_free_result(*pResult);
return false;
}
*pFields = mysql_fetch_fields(*pResult);
return true;
}
bool MySQLConnection::Execute(const char* sql)
{
if (!m_Mysql)
return false;
{
uint32 _s = getMSTime();
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outInfo(LOG_FILTER_SQL, "SQL: %s", sql);
sLog->outError(LOG_FILTER_SQL, "[%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(sql); // Try again
return false;
}
else
sLog->outDebug(LOG_FILTER_SQL, "[%u ms] SQL: %s", getMSTimeDiff(_s, getMSTime()), sql);
}
return true;
}
bool MySQLConnection::Execute(const char* sql)
{
if (!m_Mysql)
return false;
{
boost::timer _s;
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
_LOG_INFO(LOG_FILTER_SQL, "SQL: %s", sql);
_LOG_ERROR(LOG_FILTER_SQL, "[%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(sql); // Try again
return false;
}
else
_LOG_DEBUG(LOG_FILTER_SQL, "[%u ms] SQL: %s",(uint32) _s.elapsed(), sql);
}
return true;
}
bool MySQLConnection::_HandleMySQLErrno(uint32 errNo)
{
switch (errNo)
{
case CR_SERVER_GONE_ERROR:
case CR_SERVER_LOST:
case CR_INVALID_CONN_HANDLE:
case CR_SERVER_LOST_EXTENDED:
{
m_reconnecting = true;
uint64 oldThreadId = mysql_thread_id(GetHandle());
mysql_close(GetHandle());
if (this->Open()) // Don't remove 'this' pointer unless you want to skip loading all prepared statements....
{
sLog->outInfo(LOG_FILTER_SQL, "Connection to the MySQL server is active.");
if (oldThreadId != mysql_thread_id(GetHandle()))
sLog->outInfo(LOG_FILTER_SQL, "Successfully reconnected to %s @%s:%s (%s).",
m_connectionInfo.database.c_str(), m_connectionInfo.host.c_str(), m_connectionInfo.port_or_socket.c_str(),
(m_connectionFlags & CONNECTION_ASYNC) ? "asynchronous" : "synchronous");
m_reconnecting = false;
return true;
}
uint32 lErrno = mysql_errno(GetHandle()); // It's possible this attempted reconnect throws 2006 at us. To prevent crazy recursive calls, sleep here.
ACE_OS::sleep(3); // Sleep 3 seconds
return _HandleMySQLErrno(lErrno); // Call self (recursive)
}
case ER_LOCK_DEADLOCK:
return false; // Implemented in TransactionTask::Execute and DatabaseWorkerPool<T>::DirectCommitTransaction
// Query related errors - skip query
case ER_WRONG_VALUE_COUNT:
case ER_DUP_ENTRY:
return false;
// Outdated table or database structure - terminate core
case ER_BAD_FIELD_ERROR:
case ER_NO_SUCH_TABLE:
sLog->outError(LOG_FILTER_SQL, "Your database structure is not up to date. Please make sure you've executed all queries in the sql/updates folders.");
ACE_OS::sleep(10);
std::abort();
return false;
case ER_PARSE_ERROR:
sLog->outError(LOG_FILTER_SQL, "Error while parsing SQL. Core fix required.");
ACE_OS::sleep(10);
std::abort();
return false;
default:
sLog->outError(LOG_FILTER_SQL, "Unhandled MySQL errno %u. Unexpected behaviour possible.", errNo);
return false;
}
}
bool MySqlConnection::Execute(PreparedStmt* stmt)
{
if (!m_Mysql)
return false;
uint32 index = stmt->m_stmtIndex;
MySqlPreparedStmt* pStmt = GetPreparedStatement(index);
pStmt->m_pPrepareStmt = stmt;
stmt->m_pStmt = pStmt;
stmt->bindParameters();
MYSQL_STMT* pMySqlStmt = pStmt->GetMySqlStmt();
MYSQL_BIND* pMySqlBind = pStmt->GetBind();
if (mysql_stmt_bind_param(pMySqlStmt, pMySqlBind))
{
uint32 lErrno = mysql_errno(m_Mysql);
ERROR_LOG("MySqlConnection::execute mysql_stmt_bind_param failed %u\n", lErrno);
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(stmt); // Try again
pStmt->clearParameters();
return false;
}
TRACE_LOG("Exe SQL(p): %s\n\n", pStmt->getQueryString(m_queries[index].first).c_str());
if (mysql_stmt_execute(pMySqlStmt))
{
uint32 lErrno = mysql_errno(m_Mysql);
ERROR_LOG("MySqlConnection::execute mysql_stmt_bind_param failed %u\n", lErrno);
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(stmt); // Try again
pStmt->clearParameters();
return false;
}
return true;
}
bool MySQLConnection::_HandleMySQLErrno(uint32 errNo)
{
switch (errNo)
{
case 2006: // "MySQL server has gone away"
case 2013: // "Lost connection to MySQL server during query"
case 2048: // "Invalid connection handle"
case 2055: // "Lost connection to MySQL server at '%s', system error: %d"
{
m_reconnecting = true;
uint64 oldThreadId = mysql_thread_id(GetHandle());
mysql_close(GetHandle());
if (this->Open()) // Don't remove 'this' pointer unless you want to skip loading all prepared statements....
{
sLog->outSQLDriver("Connection to the MySQL server is active.");
if (oldThreadId != mysql_thread_id(GetHandle()))
sLog->outSQLDriver("Successfully reconnected to %s @%s:%s (%s).",
m_connectionInfo.database.c_str(), m_connectionInfo.host.c_str(), m_connectionInfo.port_or_socket.c_str(),
(m_connectionFlags & CONNECTION_ASYNC) ? "asynchronous" : "synchronous");
m_reconnecting = false;
return true;
}
uint32 lErrno = mysql_errno(GetHandle()); // It's possible this attempted reconnect throws 2006 at us. To prevent crazy recursive calls, sleep here.
ACE_OS::sleep(3); // Sleep 3 seconds
return _HandleMySQLErrno(lErrno); // Call self (recursive)
}
case 1213: // "Deadlock found when trying to get lock; try restarting transaction"
return false; // Implemented in TransactionTask::Execute and DatabaseWorkerPool<T>::DirectCommitTransaction
// Query related errors - skip query
case 1058: // "Column count doesn't match value count"
case 1062: // "Duplicate entry '%s' for key '%d'"
return false;
// Outdated table or database structure - terminate core
case 1054: // "Unknown column '%s' in '%s'"
case 1146: // "Table '%s' doesn't exist"
WPFatal(!errNo, "Your database structure is not up to date. Please make sure you've executed all queries in the sql/updates folders.");
return false;
default:
sLog->outSQLDriver("Unhandled MySQL errno %u. Unexpected behaviour possible.", errNo);
return false;
}
}
bool MySqlConnection::Execute(const char* sql)
{
if (!m_Mysql)
return false;
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
ERROR_LOG("execute sql:%s failed return [%u] %s\n", sql, lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return Execute(sql); // Try again
return false;
}
return true;
}
bool MySQLConnection::_Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
{
uint32 _s = 0;
if (sLog->GetSQLDriverQueryLogging())
_s = getMSTime();
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outSQLDriver("SQL: %s", sql);
sLog->outSQLDriver("ERROR: [%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(sql, pResult, pFields, pRowCount, pFieldCount); // We try again
return false;
}
else if (sLog->GetSQLDriverQueryLogging())
{
sLog->outSQLDriver("[%u ms] SQL: %s", getMSTimeDiff(_s,getMSTime()), sql);
}
*pResult = mysql_store_result(m_Mysql);
*pRowCount = mysql_affected_rows(m_Mysql);
*pFieldCount = mysql_field_count(m_Mysql);
}
if (!*pResult )
return false;
if (!*pRowCount)
{
mysql_free_result(*pResult);
return false;
}
*pFields = mysql_fetch_fields(*pResult);
return true;
}
bool MySQLConnection::_Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
{
uint32 _s = getMSTime();
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
sLog->outInfo(LOG_FILTER_SQL, "SQL: %s", sql);
sLog->outError(LOG_FILTER_SQL, "[%u] %s", lErrno, mysql_error(m_Mysql));
if (lErrno == ER_BAD_FIELD_ERROR || lErrno == ER_NO_SUCH_TABLE || lErrno == ER_PARSE_ERROR)
sLog->outError(LOG_FILTER_SQL, "TrinityCore TRANSFERT ERROR %u : query : %s", lErrno, sql);
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(sql, pResult, pFields, pRowCount, pFieldCount); // We try again
return false;
}
else
sLog->outDebug(LOG_FILTER_SQL, "[%u ms] SQL: %s", getMSTimeDiff(_s, getMSTime()), sql);
*pResult = mysql_store_result(m_Mysql);
*pRowCount = mysql_affected_rows(m_Mysql);
*pFieldCount = mysql_field_count(m_Mysql);
}
if (!*pResult )
return false;
if (!*pRowCount)
{
mysql_free_result(*pResult);
return false;
}
*pFields = mysql_fetch_fields(*pResult);
return true;
}
bool MySQLConnection::_HandleMySQLErrno(uint32 errNo)
{
switch (errNo)
{
case 2006: // "MySQL server has gone away"
case 2013: // "Lost connection to MySQL server during query"
case 2048: // "Invalid connection handle"
case 2055: // "Lost connection to MySQL server at '%s', system error: %d"
{
m_reconnecting = true;
uint64 oldThreadId = mysql_thread_id(GetHandle());
mysql_close(GetHandle());
if (this->Open()) // Don't remove 'this' pointer unless you want to skip loading all prepared statements....
{
sLog->outSQLDriver("Die Verbindung zum MySQL-Server aktiv ist.");
if (oldThreadId != mysql_thread_id(GetHandle()))
sLog->outSQLDriver("Online %s @%s:%s (%s).",
m_connectionInfo.database.c_str(), m_connectionInfo.host.c_str(), m_connectionInfo.port_or_socket.c_str(),
(m_connectionFlags & CONNECTION_ASYNC) ? "asynchronous" : "synchronous");
m_reconnecting = false;
return true;
}
uint32 lErrno = mysql_errno(GetHandle()); // It's possible this attempted reconnect throws 2006 at us. To prevent crazy recursive calls, sleep here.
ACE_OS::sleep(3); // Sleep 3 seconds
return _HandleMySQLErrno(lErrno); // Call self (recursive)
}
case 1213: // "Deadlock found when trying to get lock; try restarting transaction"
return false; // Implemented in TransactionTask::Execute and DatabaseWorkerPool<T>::DirectCommitTransaction
// Query related errors - skip query
case 1058: // "Column count doesn't match value count"
case 1062: // "Duplicate entry '%s' for key '%d'"
case 1054: // "Unknown column '%s' in 'order clause'"
return false;
default:
sLog->outSQLDriver("Unbehandelte MySQL Err %u. Unerwarteter Fehler.", errNo);
return false;
}
}
bool MySQLConnection::_HandleMySQLErrno(uint32 errNo)
{
sLog->outDebug("%s", __FUNCTION__);
switch (errNo)
{
case 2006: // "MySQL server has gone away"
case 2013: // "Lost connection to MySQL server during query"
case 2048: // "Invalid connection handle"
case 2055: // "Lost connection to MySQL server at '%s', system error: %d"
{
m_reconnecting = true;
uint64 oldThreadId = mysql_thread_id(GetHandle());
mysql_close(GetHandle());
if (this->Open()) // Don't remove 'this' pointer unless you want to skip loading all prepared statements....
{
sLog->outSQLDriver("Connection to the MySQL server is active.");
if (oldThreadId != mysql_thread_id(GetHandle()))
sLog->outSQLDriver("Succesfuly reconnected to %s @%s:%s (%s).",
m_connectionInfo.database.c_str(), m_connectionInfo.host.c_str(), m_connectionInfo.port_or_socket.c_str(),
(m_connectionFlags & CONNECTION_ASYNC) ? "asynchronous" : "synchronous");
m_reconnecting = false;
return true;
}
uint32 lErrno = mysql_errno(GetHandle()); // It's possible this attempted reconnect throws 2006 at us. To prevent crazy recursive calls, sleep here.
ACE_OS::sleep(3); // Sleep 3 seconds
return _HandleMySQLErrno(lErrno); // Call self (recursive)
}
// Query related errors - skip query
case 1058: // "Column count doesn't match value count"
case 1062: // "Duplicate entry '%s' for key '%d'"
case 1054: // "Unknown column '%s' in 'order clause'"
return false;
default:
sLog->outSQLDriver("Unhandled MySQL errno %u. Unexpected behaviour possible.", errNo);
return false;
}
}
bool MySQLConnection::_Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
{
boost::timer _s;
if (mysql_query(m_Mysql, sql))
{
uint32 lErrno = mysql_errno(m_Mysql);
_LOG_INFO(LOG_FILTER_SQL, "SQL: %s", sql);
_LOG_ERROR(LOG_FILTER_SQL, "[%u] %s", lErrno, mysql_error(m_Mysql));
if (_HandleMySQLErrno(lErrno)) // If it returns true, an error was handled successfully (i.e. reconnection)
return _Query(sql, pResult, pFields, pRowCount, pFieldCount); // We try again
return false;
}
else
_LOG_DEBUG(LOG_FILTER_SQL, "[%u ms] SQL: %s",(uint32)_s.elapsed(), sql);
*pResult = mysql_store_result(m_Mysql);
*pRowCount = mysql_affected_rows(m_Mysql);
*pFieldCount = mysql_field_count(m_Mysql);
}
if (!*pResult )
return false;
if (!*pRowCount)
{
mysql_free_result(*pResult);
return false;
}
*pFields = mysql_fetch_fields(*pResult);
return true;
}
bool MySQLConnection::_HandleMySQLErrno(uint32 errNo, uint8 attempts /*= 5*/)
{
switch (errNo)
{
case CR_SERVER_GONE_ERROR:
case CR_SERVER_LOST:
#ifdef CR_INVALID_CONN_HANDLE
case CR_INVALID_CONN_HANDLE:
#endif
case CR_SERVER_LOST_EXTENDED:
{
if (m_Mysql)
{
TC_LOG_ERROR("sql.sql", "Lost the connection to the MySQL server!");
mysql_close(GetHandle());
m_Mysql = nullptr;
}
/*no break*/
}
case CR_CONN_HOST_ERROR:
{
TC_LOG_INFO("sql.sql", "Attempting to reconnect to the MySQL server...");
m_reconnecting = true;
uint32 const lErrno = Open();
if (!lErrno)
{
// Don't remove 'this' pointer unless you want to skip loading all prepared statements...
if (!this->PrepareStatements())
{
TC_LOG_FATAL("sql.sql", "Could not re-prepare statements!");
std::this_thread::sleep_for(std::chrono::seconds(10));
std::abort();
}
TC_LOG_INFO("sql.sql", "Successfully reconnected to %s @%s:%s (%s).",
m_connectionInfo.database.c_str(), m_connectionInfo.host.c_str(), m_connectionInfo.port_or_socket.c_str(),
(m_connectionFlags & CONNECTION_ASYNC) ? "asynchronous" : "synchronous");
m_reconnecting = false;
return true;
}
if ((--attempts) == 0)
{
// Shut down the server when the mysql server isn't
// reachable for some time
TC_LOG_FATAL("sql.sql", "Failed to reconnect to the MySQL server, "
"terminating the server to prevent data corruption!");
// We could also initiate a shutdown through using std::raise(SIGTERM)
std::this_thread::sleep_for(std::chrono::seconds(10));
std::abort();
}
else
{
// It's possible this attempted reconnect throws 2006 at us.
// To prevent crazy recursive calls, sleep here.
std::this_thread::sleep_for(std::chrono::seconds(3)); // Sleep 3 seconds
return _HandleMySQLErrno(lErrno, attempts); // Call self (recursive)
}
}
case ER_LOCK_DEADLOCK:
return false; // Implemented in TransactionTask::Execute and DatabaseWorkerPool<T>::DirectCommitTransaction
// Query related errors - skip query
case ER_WRONG_VALUE_COUNT:
case ER_DUP_ENTRY:
return false;
// Outdated table or database structure - terminate core
case ER_BAD_FIELD_ERROR:
case ER_NO_SUCH_TABLE:
TC_LOG_ERROR("sql.sql", "Your database structure is not up to date. Please make sure you've executed all queries in the sql/updates folders.");
std::this_thread::sleep_for(std::chrono::seconds(10));
std::abort();
return false;
case ER_PARSE_ERROR:
TC_LOG_ERROR("sql.sql", "Error while parsing SQL. Core fix required.");
std::this_thread::sleep_for(std::chrono::seconds(10));
std::abort();
return false;
default:
TC_LOG_ERROR("sql.sql", "Unhandled MySQL errno %u. Unexpected behaviour possible.", errNo);
return false;
}
}
bool MySqlConnection::_HandleMySQLErrno(uint32 errNo)
{
switch (errNo)
{
case CR_SERVER_GONE_ERROR:
case CR_SERVER_LOST:
case CR_INVALID_CONN_HANDLE:
case CR_SERVER_LOST_EXTENDED:
{
m_reconnecting = true;
mysql_close(GetHandle());
if (this->Open())
{
m_reconnecting = false;
DEBUG_LOG("mysql connect reconnect success\n");
return true;
}
uint32 lErrno = mysql_errno(GetHandle()); // It's possible this attempted reconnect throws 2006 at us. To prevent crazy recursive calls, sleep here.
::sleep(3); // Sleep 3 seconds
return _HandleMySQLErrno(lErrno); // Call self (recursive)
}
break;
case ER_LOCK_DEADLOCK:
{
return false; // Implemented in TransactionTask::Execute and DatabaseWorkerPool<T>::DirectCommitTransaction
}
break;
// Query related errors - skip query
case ER_WRONG_VALUE_COUNT:
case ER_DUP_ENTRY:
{
return false;
}
break;
// Outdated table or database structure - terminate core
case ER_BAD_FIELD_ERROR:
case ER_NO_SUCH_TABLE:
{
ERROR_LOG("Your database structure is not up to date. Please make sure you've executed all queries in the sql/updates folders.\n");
::sleep(10);
std::abort();
return false;
}
break;
case ER_PARSE_ERROR:
{
ERROR_LOG("Error while parsing SQL. Core fix required.\n");
::sleep(10);
std::abort();
return false;
}
break;
default:
{
ERROR_LOG("Unhandled MySQL errno %u. Unexpected behaviour possible.\n", errNo);
return false;
}
break;
}
return false;
}
