← Back to branch summary

~drizzle-trunk/drizzle/development

« back to all changes in this revision

Viewing changes to drizzled/function/str/conv_charset.cc

  • Committer: Lee
  • Date: 2008-10-30 22:02:01 UTC
  • mto: (572.1.2 devel)
  • mto: This revision was merged to the branch mainline in revision 573.
  • Revision ID: lbieber@lbieber-desktop-20081030220201-elb6qprbzpn7c5a4
add my name to the AUTHORS file

Show diffs side-by-side

added added

removed removed

Lines of Context:
drizzled/function/str/conv_charset.cc
1
 
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
 
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3
 
 *
4
 
 *  Copyright (C) 2008 Sun Microsystems, Inc.
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; version 2 of the License.
9
 
 *
10
 
 *  This program is distributed in the hope that it will be useful,
11
 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 
 *  GNU General Public License for more details.
14
 
 *
15
 
 *  You should have received a copy of the GNU General Public License
16
 
 *  along with this program; if not, write to the Free Software
17
 
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
 
 */
19
 
 
20
 
#include "config.h"
21
 
 
22
 
#include <drizzled/function/str/conv_charset.h>
23
 
 
24
 
namespace drizzled
25
 
{
26
 
 
27
 
String *Item_func_conv_charset::val_str(String *str)
28
 
{
29
 
  assert(fixed == 1);
30
 
  if (use_cached_value)
31
 
    return null_value ? 0 : &str_value;
32
 
  String *arg= args[0]->val_str(str);
33
 
  size_t dummy_errors;
34
 
  if (!arg)
35
 
  {
36
 
    null_value=1;
37
 
    return 0;
38
 
  }
39
 
  null_value= str_value.copy(arg->ptr(),arg->length(),arg->charset(),
40
 
                             conv_charset, &dummy_errors);
41
 
  return null_value ? 0 : check_well_formed_result(&str_value);
42
 
}
43
 
 
44
 
void Item_func_conv_charset::fix_length_and_dec()
45
 
{
46
 
  collation.set(conv_charset, DERIVATION_IMPLICIT);
47
 
  max_length = args[0]->max_length*conv_charset->mbmaxlen;
48
 
}
49
 
 
50
 
void Item_func_conv_charset::print(String *str, enum_query_type query_type)
51
 
{
52
 
  str->append(STRING_WITH_LEN("convert("));
53
 
  args[0]->print(str, query_type);
54
 
  str->append(STRING_WITH_LEN(" using "));
55
 
  str->append(conv_charset->csname);
56
 
  str->append(')');
57
 
}
58
 
 
59
 
} /* namespace drizzled */