Drizzled Public API Documentation

unsigned.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  *
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; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #pragma once
22 
23 #include <drizzled/function/math/int.h>
24 
25 namespace drizzled {
26 namespace function {
27 namespace cast {
28 
29 class Unsigned : public Item_int_func
30 {
31 public:
32  Unsigned(Item *a) :
33  Item_int_func(a)
34  {}
35 
36  const char *func_name() const { return "cast_as_unsigned"; }
37 
38  int64_t val_int();
39 
40  void fix_length_and_dec()
41  {
42  fix_char_length(args[0]->max_char_length());
43  unsigned_flag= true;
44  }
45 
46  void print(String *str);
47 
48  uint32_t decimal_precision() const
49  {
50  return args[0]->decimal_precision();
51  }
52 };
53 
54 } // namespace cast
55 } // namespace function
56 } // namespace drizzled
57