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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_ITEM_CACHE_ROW_H
#define DRIZZLED_ITEM_CACHE_ROW_H
#include <stdint.h>
#include <drizzled/item/cache.h>
class Item_cache;
class Item;
class Send_field;
class Item_cache_row: public Item_cache
{
Item_cache **values;
uint32_t item_count;
bool save_array;
public:
Item_cache_row()
:Item_cache(), values(0), item_count(2), save_array(0) {}
/*
'allocate' used only in row transformer, to preallocate space for row
cache.
*/
bool allocate(uint32_t num);
/*
'setup' is needed only by row => it not called by simple row subselect
(only by IN subselect (in subselect optimizer))
*/
bool setup(Item *item);
void store(Item *item);
void illegal_method_call(const char * method_name);
void make_field(Send_field *field);
double val_real();
int64_t val_int();
String *val_str(String *val);
my_decimal *val_decimal(my_decimal *val);
enum Item_result result_type() const;
uint32_t cols();
Item *element_index(uint32_t i);
Item **addr(uint32_t i);
bool check_cols(uint32_t c);
bool null_inside();
void bring_value();
void keep_array();
void cleanup();
};
#endif /* DRIZZLED_ITEM_CACHE_ROW_H */
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