Drizzled Public API Documentation

cache_real.h

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 #pragma once
00021 
00022 #include <drizzled/item/cache.h>
00023 
00024 namespace drizzled
00025 {
00026 
00027 class Item_cache_real: public Item_cache
00028 {
00029   double value;
00030 public:
00031   Item_cache_real(): Item_cache(), value(0) {}
00032 
00033   void store(Item *item);
00034   double val_real() { assert(fixed == 1); return value; }
00035   int64_t val_int();
00036   String* val_str(String *str);
00037   type::Decimal *val_decimal(type::Decimal *);
00038   enum Item_result result_type() const { return REAL_RESULT; }
00039 };
00040 
00041 } /* namespace drizzled */
00042