Drizzled Public API Documentation

select_max_min_finder_subselect.h
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  *
4  * Copyright (C) 2008 Sun Microsystems, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #pragma once
21 
22 namespace drizzled
23 {
24 
25 /* used in independent ALL/ANY optimisation */
27 {
28  Item_cache *cache;
29  bool (select_max_min_finder_subselect::*op)();
30  bool fmax;
31 public:
33  :select_subselect(item_arg), cache(0), fmax(mx)
34  {}
35  void cleanup();
36  bool send_data(List<Item> &items);
37  bool cmp_real();
38  bool cmp_int();
39  bool cmp_decimal();
40  bool cmp_str();
41 };
42 
43 } /* namespace drizzled */
44