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
|
/* -*- 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
*/
#include <config.h>
#include <drizzled/function/str/conv_charset.h>
namespace drizzled
{
String *Item_func_conv_charset::val_str(String *str)
{
assert(fixed == 1);
if (use_cached_value)
return null_value ? 0 : &str_value;
String *arg= args[0]->val_str(str);
size_t dummy_errors;
if (!arg)
{
null_value=1;
return 0;
}
null_value= str_value.copy(arg->ptr(),arg->length(),arg->charset(),
conv_charset, &dummy_errors);
return null_value ? 0 : check_well_formed_result(&str_value);
}
void Item_func_conv_charset::fix_length_and_dec()
{
collation.set(conv_charset, DERIVATION_IMPLICIT);
max_length = args[0]->max_length*conv_charset->mbmaxlen;
}
void Item_func_conv_charset::print(String *str)
{
str->append(STRING_WITH_LEN("convert("));
args[0]->print(str);
str->append(STRING_WITH_LEN(" using "));
str->append(conv_charset->csname);
str->append(')');
}
} /* namespace drizzled */
|