auto_increment.h

Go to the documentation of this file.

/* Copyright (c) 2015, 2025, Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
   This program is designed to work with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have either included with
   the program or referenced in the documentation.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef GROUP_REPLICATION_AUTO_INCREMENT
#define GROUP_REPLICATION_AUTO_INCREMENT
 
#include "plugin/group_replication/include/plugin_server_include.h"
 
#define SERVER_DEFAULT_AUTO_INCREMENT 1
#define SERVER_DEFAULT_AUTO_OFFSET 1
 
/*
  @class Plugin_group_replication_auto_increment
 
  This class will be used to configure auto_increment variables
  (auto_increment_increment and auto_increment_offset)
 */
class Plugin_group_replication_auto_increment {
 public:
  /**
    Plugin_group_replication_auto_increment constructor
 
    Set auto_increment_increment and auto_increment_offset in the server
  */
  Plugin_group_replication_auto_increment();
 
  /**
    Set auto_increment_increment and auto_increment_offset
 
    @param increment the interval between successive column values
    @param offset    the starting point for the AUTO_INCREMENT column value
  */
 
  void set_auto_increment_variables(ulong increment, ulong offset);
 
  /**
    Reset auto_increment_increment and auto_increment_offset,
    if modified by this plugin in set function
 
    @param force if true, it ignores the member being in primary mode or not
  */
  void reset_auto_increment_variables(bool force = false);
 
 private:
  ulong group_replication_auto_increment;
  ulong group_replication_auto_offset;
};
 
#endif /* GROUP_REPLICATION_AUTO_INCREMENT */