Drizzled Public API Documentation

num.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/item/uint.h>
00023 #include <drizzled/item/num.h>
00024 #include <drizzled/item/string.h>
00025 #include <drizzled/item/decimal.h>
00026 
00027 namespace drizzled {
00028 
00040 Item *Item_num::safe_charset_converter(const charset_info_st*)
00041 {
00042   char buf[64];
00043   String tmp(buf, sizeof(buf), &my_charset_bin);
00044   String* s= val_str(&tmp);
00045   Item_string* conv= new Item_string(s->ptr(), s->length(), s->charset());
00046   conv->str_value.copy();
00047   conv->str_value.mark_as_const();
00048   return conv;
00049 }
00050 
00051 Item_num *Item_uint::neg()
00052 {
00053   Item_decimal *item= new Item_decimal(value, 1);
00054   return item->neg();
00055 }
00056 
00057 } /* namespace drizzled */