Drizzled Public API Documentation

boolean.h
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  *
4  * Copyright (C) 2010 Brian Aker
5  * Copyright (C) 2010 Brian Aker
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 
23 #pragma once
24 
25 #include <drizzled/function/math/int.h>
26 
27 namespace drizzled
28 {
29 
30 namespace item
31 {
32 
33 namespace function
34 {
35 
36 class Boolean :public Item_int_func
37 {
38 public:
39  Boolean() :
41  {}
42 
43  Boolean(Item *a) :
44  Item_int_func(a)
45  {}
46 
47  Boolean(Item *a,Item *b) :
48  Item_int_func(a,b)
49  {}
50 
51  Boolean(Session *session, Boolean *item) :
52  Item_int_func(session, item)
53  {}
54 
55  bool is_bool_func()
56  {
57  return true;
58  }
59 
60  void fix_length_and_dec()
61  {
62  decimals= 0;
63  max_length= 1;
64  }
65 
66  uint32_t decimal_precision() const
67  {
68  return 1;
69  }
70 };
71 
72 } /* namespace function */
73 } /* namespace item */
74 } /* namespace drizzled */
75