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
71
72
73
74
75
76
77
78
79
80
81
82
|
/* - mode: c++ c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 MySQL
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#pragma once
#include <drizzled/field/num.h>
namespace drizzled
{
namespace field
{
class Size :public Field_num {
public:
using Field::val_int;
using Field::val_str;
using Field::cmp;
using Field::store;
using Field::pack;
using Field::unpack;
Size(unsigned char *ptr_arg, uint32_t len_arg,
unsigned char *null_ptr_arg,
unsigned char null_bit_arg,
enum utype unireg_check_arg,
const char *field_name_arg);
Size(uint32_t len_arg,bool maybe_null_arg,
const char *field_name_arg,
bool unsigned_arg);
enum Item_result result_type () const { return INT_RESULT; }
enum_field_types type() const { return DRIZZLE_TYPE_LONGLONG;}
enum ha_base_keytype key_type() const
{ return unsigned_flag ? HA_KEYTYPE_ULONGLONG : HA_KEYTYPE_LONGLONG; }
int store(const char *to,uint32_t length, const charset_info_st * const charset);
int store(double nr);
int store(int64_t nr, bool unsigned_val);
int reset(void)
{
ptr[0]=ptr[1]=ptr[2]=ptr[3]=ptr[4]=ptr[5]=ptr[6]=ptr[7]=0;
return 0;
}
double val_real(void) const;
int64_t val_int(void) const;
String *val_str(String*,String *) const;
int cmp(const unsigned char *,const unsigned char *);
void sort_string(unsigned char *buff,uint32_t length);
uint32_t pack_length() const { return 8; }
bool can_be_compared_as_int64_t() const { return true; }
uint32_t max_display_length() { return MY_INT64_NUM_DECIMAL_DIGITS+1; } // +1 for sign
virtual unsigned char *pack(unsigned char* to, const unsigned char *from,
uint32_t max_length,
bool low_byte_first);
virtual const unsigned char *unpack(unsigned char* to, const unsigned char *from,
uint32_t param_data,
bool low_byte_first);
};
} /* namespace field */
} /* namespace drizzled */
|