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UPDATE YOUR CONFIGS! Defaults: LoginDatabaseConnections = 1 WorldDatabaseConnections = 1 CharacterDatabaseConnections = 1 If you are not using <mtmaps> patch do not change the default settings - this is useless. You can try following option in your MySQL config to squeeze even more performance from your DB: [mysqld] transaction-isolation = READ-COMMITTED Great thanks to Undergarun, kero99 and selector for making tests and providing very useful feedback and DB statistics! Have fun :) Signed-off-by: Ambal <pogrebniak@gala.net>
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/*
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* Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef DO_POSTGRESQL
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#ifndef _DATABASEMYSQL_H
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#define _DATABASEMYSQL_H
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#include "Common.h"
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#include "Database.h"
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#include "Policies/Singleton.h"
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#include "ace/Thread_Mutex.h"
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#include "ace/Guard_T.h"
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#ifdef WIN32
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#include <winsock2.h>
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#include <mysql/mysql.h>
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#else
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#include <mysql.h>
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#endif
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class MANGOS_DLL_SPEC MySQLConnection : public SqlConnection
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{
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public:
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MySQLConnection() : mMysql(NULL) {}
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~MySQLConnection() { mysql_close(mMysql); }
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bool Initialize(const char *infoString);
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QueryResult* Query(const char *sql);
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QueryNamedResult* QueryNamed(const char *sql);
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bool Execute(const char *sql);
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unsigned long escape_string(char *to, const char *from, unsigned long length);
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bool BeginTransaction();
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bool CommitTransaction();
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bool RollbackTransaction();
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private:
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bool _TransactionCmd(const char *sql);
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bool _Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount);
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MYSQL *mMysql;
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};
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class MANGOS_DLL_SPEC DatabaseMysql : public Database
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{
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friend class MaNGOS::OperatorNew<DatabaseMysql>;
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public:
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DatabaseMysql();
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~DatabaseMysql();
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//! Initializes Mysql and connects to a server.
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/*! infoString should be formated like hostname;username;password;database. */
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// must be call before first query in thread
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void ThreadStart();
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// must be call before finish thread run
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void ThreadEnd();
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protected:
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virtual SqlConnection * CreateConnection();
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private:
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static size_t db_count;
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};
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#endif
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#endif
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