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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_DECIMAL_H
#define DRIZZLED_ITEM_DECIMAL_H
#include <drizzled/item/num.h>
/* decimal (fixed point) constant */
class Item_decimal :public Item_num
{
protected:
my_decimal decimal_value;
public:
Item_decimal(const char *str_arg, uint32_t length, const CHARSET_INFO * const charset);
Item_decimal(const char *str, const my_decimal *val_arg,
uint32_t decimal_par, uint32_t length);
Item_decimal(my_decimal *value_par);
Item_decimal(int64_t val, bool unsig);
Item_decimal(double val, int precision, int scale);
Item_decimal(const unsigned char *bin, int precision, int scale);
enum Type type() const { return DECIMAL_ITEM; }
enum Item_result result_type () const { return DECIMAL_RESULT; }
enum_field_types field_type() const { return DRIZZLE_TYPE_NEWDECIMAL; }
int64_t val_int();
double val_real();
String *val_str(String*);
my_decimal *val_decimal(my_decimal *)
{ return &decimal_value; }
int save_in_field(Field *field, bool no_conversions);
bool basic_const_item() const { return 1; }
Item *clone_item()
{
return new Item_decimal(name, &decimal_value, decimals, max_length);
}
virtual void print(String *str, enum_query_type query_type);
Item_num *neg()
{
my_decimal_neg(&decimal_value);
unsigned_flag= !decimal_value.sign();
return this;
}
uint32_t decimal_precision() const { return decimal_value.precision(); }
bool eq(const Item *, bool binary_cmp) const;
void set_decimal_value(my_decimal *value_par);
};
#endif /* DRIZZLED_ITEM_DECIMAL_H */
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