00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- 00002 * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00003 * 00004 * Copyright (C) 2010 Padraig O'Sullivan 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #pragma once 00022 00023 #include <drizzled/definitions.h> 00024 #include <drizzled/error.h> 00025 #include <drizzled/sql_parse.h> 00026 #include <drizzled/sql_base.h> 00027 #include <drizzled/show.h> 00028 00029 00030 namespace drizzled 00031 { 00032 00033 /* Forward declarations */ 00034 class Table; 00035 class JoinTable; 00036 00037 namespace optimizer 00038 { 00039 00044 class AccessMethod 00045 { 00046 public: 00047 00048 AccessMethod() {} 00049 00050 virtual ~AccessMethod() {} 00051 00059 virtual bool getStats(Table *table, 00060 JoinTable *join_tab)= 0; 00061 00062 }; 00063 00064 } /* end namespace optimizer */ 00065 00066 } /* end namespace drizzled */ 00067