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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, Inc.
*
* 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
*/
#pragma once
#include <drizzled/item/num.h>
namespace drizzled {
class Item_float : public Item_num
{
const char *presentation;
public:
double value;
Item_float(const char *str_arg, uint32_t length);
Item_float(const char *str,double val_arg,uint32_t decimal_par,uint32_t length)
:value(val_arg)
{
presentation= name= str;
decimals=(uint8_t) decimal_par;
max_length=length;
fixed= 1;
}
Item_float(double value_par, uint32_t decimal_par) :presentation(0), value(value_par)
{
decimals= (uint8_t) decimal_par;
fixed= 1;
}
int save_in_field(Field *field, bool no_conversions);
enum Type type() const { return REAL_ITEM; }
enum_field_types field_type() const { return DRIZZLE_TYPE_DOUBLE; }
double val_real() { assert(fixed == 1); return value; }
int64_t val_int();
String *val_str(String*);
type::Decimal *val_decimal(type::Decimal *);
bool basic_const_item() const { return 1; }
Item *clone_item()
{ return new Item_float(name, value, decimals, max_length); }
Item_num *neg() { value= -value; return this; }
virtual void print(String *str);
bool eq(const Item *, bool binary_cmp) const;
};
class Item_static_float_func :public Item_float
{
const char *func_name;
public:
Item_static_float_func(const char *str, double val_arg, uint32_t decimal_par,
uint32_t length)
:Item_float(NULL, val_arg, decimal_par, length), func_name(str)
{}
virtual inline void print(String *str)
{
str->append(func_name);
}
Item *safe_charset_converter(const charset_info_st * const tocs);
};
} /* namespace drizzled */
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