~drizzle-trunk/drizzle/development

584.4.10 by Monty Taylor
Broke out cached_item.
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_CACHED_ITEM_H
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#define DRIZZLED_CACHED_ITEM_H
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1253.1.4 by Monty Taylor
Moved sql_alloc into memory.
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#include "drizzled/memory/sql_alloc.h"
1237.9.4 by Padraig O'Sullivan
Removed the inclusion of drizzled/field.h in the server_includes header file.
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#include "drizzled/sql_string.h"
1410.3.1 by Djellel E. Difallah
merge my_decimal and decimal
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#include "drizzled/decimal.h"
584.4.10 by Monty Taylor
Broke out cached_item.
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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namespace drizzled
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{
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584.4.10 by Monty Taylor
Broke out cached_item.
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class Item;
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class Session;
1237.9.4 by Padraig O'Sullivan
Removed the inclusion of drizzled/field.h in the server_includes header file.
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class Field;
584.4.10 by Monty Taylor
Broke out cached_item.
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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class Cached_item :public memory::SqlAlloc
584.4.10 by Monty Taylor
Broke out cached_item.
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{
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public:
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  bool null_value;
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  Cached_item() :null_value(0) {}
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  virtual bool cmp(void)=0;
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  virtual ~Cached_item(); /*line -e1509 */
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};
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class Cached_item_str :public Cached_item
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{
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  Item *item;
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  String value,tmp_value;
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public:
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  Cached_item_str(Session *session, Item *arg);
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  bool cmp(void);
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  ~Cached_item_str();                           // Deallocate String:s
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};
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class Cached_item_real :public Cached_item
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{
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  Item *item;
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  double value;
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public:
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  Cached_item_real(Item *item_par) :item(item_par),value(0.0) {}
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  bool cmp(void);
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};
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class Cached_item_int :public Cached_item
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{
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  Item *item;
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  int64_t value;
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public:
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  Cached_item_int(Item *item_par) :item(item_par),value(0) {}
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  bool cmp(void);
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};
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class Cached_item_decimal :public Cached_item
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{
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  Item *item;
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  my_decimal value;
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public:
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  Cached_item_decimal(Item *item_par);
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  bool cmp(void);
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};
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class Cached_item_field :public Cached_item
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{
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  unsigned char *buff;
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  Field *field;
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  uint32_t length;
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public:
1237.9.4 by Padraig O'Sullivan
Removed the inclusion of drizzled/field.h in the server_includes header file.
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  Cached_item_field(Field *arg_field);
584.4.10 by Monty Taylor
Broke out cached_item.
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  bool cmp(void);
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};
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1221.1.1 by Jay Pipes
Fixes some valgrind warnings regarding conditionals depending on unintialized variables. Use initializer lists properly, dang it. :) Also, removed the new_Cached_item() function's use_result_field, as this was only used for views and was producing a valgrind warning unnecessarily.
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Cached_item *new_Cached_item(Session *session, Item *item);
584.4.10 by Monty Taylor
Broke out cached_item.
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace drizzled */
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584.4.10 by Monty Taylor
Broke out cached_item.
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#endif /* DRIZZLED_CACHED_ITEM_H */