Drizzled Public API Documentation

copy_string.cc
00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #include <config.h>
00021 
00022 #include <drizzled/type/decimal.h>
00023 #include <drizzled/item/copy_string.h>
00024 
00025 namespace drizzled
00026 {
00027 
00028 void Item_copy_string::copy()
00029 {
00030   String *res=item->val_str(&str_value);
00031   if (res && res != &str_value)
00032     str_value.copy(*res);
00033   null_value=item->null_value;
00034 }
00035 
00036 /* ARGSUSED */
00037 String *Item_copy_string::val_str(String *)
00038 {
00039   // Item_copy_string is used without fix_fields call
00040   if (null_value)
00041     return (String*) 0;
00042   return &str_value;
00043 }
00044 
00045 
00046 type::Decimal *Item_copy_string::val_decimal(type::Decimal *decimal_value)
00047 {
00048   // Item_copy_string is used without fix_fields call
00049   if (null_value)
00050     return 0;
00051   decimal_value->store(E_DEC_FATAL_ERROR, &str_value);
00052 
00053   return (decimal_value);
00054 }
00055 
00056 
00057 } /* namespace drizzled */