1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_ITEM_DECIMAL_H
#define DRIZZLED_ITEM_DECIMAL_H
#include <drizzled/item/num.h>
namespace drizzled
{
/* decimal (fixed point) constant */
class Item_decimal :public Item_num
{
protected:
type::Decimal decimal_value;
public:
Item_decimal(const char *str_arg, uint32_t length, const CHARSET_INFO * const charset);
Item_decimal(const char *str, const type::Decimal *val_arg,
uint32_t decimal_par, uint32_t length);
Item_decimal(type::Decimal *value_par);
Item_decimal(int64_t val, bool unsig);
Item_decimal(double val, int precision, int scale);
Item_decimal(const unsigned char *bin, int precision, int scale);
enum Type type() const { return DECIMAL_ITEM; }
enum Item_result result_type () const { return DECIMAL_RESULT; }
enum_field_types field_type() const { return DRIZZLE_TYPE_DECIMAL; }
int64_t val_int();
double val_real();
String *val_str(String*);
type::Decimal *val_decimal(type::Decimal *)
{ return &decimal_value; }
int save_in_field(Field *field, bool no_conversions);
bool basic_const_item() const { return 1; }
Item *clone_item()
{
return new Item_decimal(name, &decimal_value, decimals, max_length);
}
virtual void print(String *str);
Item_num *neg()
{
class_decimal_neg(&decimal_value);
unsigned_flag= !decimal_value.sign();
return this;
}
uint32_t decimal_precision() const { return decimal_value.precision(); }
bool eq(const Item *, bool binary_cmp) const;
void set_decimal_value(type::Decimal *value_par);
};
} /* namespace drizzled */
#endif /* DRIZZLED_ITEM_DECIMAL_H */
|