Drizzled Public API Documentation

cache_real.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 #include <math.h>
00022 #include <drizzled/item/cache_real.h>
00023 
00024 namespace drizzled
00025 {
00026 
00027 void Item_cache_real::store(Item *item)
00028 {
00029   value= item->val_result();
00030   null_value= item->null_value;
00031 }
00032 
00033 
00034 int64_t Item_cache_real::val_int()
00035 {
00036   assert(fixed == 1);
00037   return (int64_t) rint(value);
00038 }
00039 
00040 
00041 String* Item_cache_real::val_str(String *str)
00042 {
00043   assert(fixed == 1);
00044   str->set_real(value, decimals, default_charset());
00045   return str;
00046 }
00047 
00048 
00049 type::Decimal *Item_cache_real::val_decimal(type::Decimal *decimal_val)
00050 {
00051   assert(fixed == 1);
00052   double2_class_decimal(E_DEC_FATAL_ERROR, value, decimal_val);
00053   return decimal_val;
00054 }
00055 
00056 } /* namespace drizzled */
00057