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