00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- 00002 * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00003 * 00004 * Copyright (C) 2008 Sun Microsystems, Inc. 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; version 2 of the License. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00018 */ 00019 00020 #pragma once 00021 00022 namespace drizzled 00023 { 00024 00025 /* used in independent ALL/ANY optimisation */ 00026 class select_max_min_finder_subselect :public select_subselect 00027 { 00028 Item_cache *cache; 00029 bool (select_max_min_finder_subselect::*op)(); 00030 bool fmax; 00031 public: 00032 select_max_min_finder_subselect(Item_subselect *item_arg, bool mx) 00033 :select_subselect(item_arg), cache(0), fmax(mx) 00034 {} 00035 void cleanup(); 00036 bool send_data(List<Item> &items); 00037 bool cmp_real(); 00038 bool cmp_int(); 00039 bool cmp_decimal(); 00040 bool cmp_str(); 00041 }; 00042 00043 } /* namespace drizzled */ 00044