Drizzled Public API Documentation

copy_string.cc
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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3  *
4  * Copyright (C) 2008 Sun Microsystems, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
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8  * the Free Software Foundation; version 2 of the License.
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12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
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15  * You should have received a copy of the GNU General Public License
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17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #include <config.h>
21 
22 #include <drizzled/type/decimal.h>
23 #include <drizzled/item/copy_string.h>
24 
25 namespace drizzled
26 {
27 
28 void Item_copy_string::copy()
29 {
30  String *res=item->val_str(&str_value);
31  if (res && res != &str_value)
32  str_value.copy(*res);
33  null_value=item->null_value;
34 }
35 
36 /* ARGSUSED */
38 {
39  // Item_copy_string is used without fix_fields call
40  if (null_value)
41  return (String*) 0;
42  return &str_value;
43 }
44 
45 
47 {
48  // Item_copy_string is used without fix_fields call
49  if (null_value)
50  return 0;
51  decimal_value->store(E_DEC_FATAL_ERROR, &str_value);
52 
53  return (decimal_value);
54 }
55 
56 
57 } /* namespace drizzled */