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/* - mode: c++ c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 MySQL
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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_FIELD_DOUBLE_H
#define DRIZZLED_FIELD_DOUBLE_H
#include <drizzled/field/real.h>
class Field_double :public Field_real {
public:
using Field::store;
using Field::val_int;
using Field::val_str;
using Field::cmp;
Field_double(unsigned char *ptr_arg, uint32_t len_arg,
unsigned char *null_ptr_arg,
unsigned char null_bit_arg,
enum utype unireg_check_arg, const char *field_name_arg,
uint8_t dec_arg,bool zero_arg,bool unsigned_arg)
:Field_real(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
unireg_check_arg, field_name_arg,
dec_arg, zero_arg, unsigned_arg)
{}
Field_double(uint32_t len_arg, bool maybe_null_arg, const char *field_name_arg,
uint8_t dec_arg)
:Field_real((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "" : 0, (uint32_t) 0,
NONE, field_name_arg, dec_arg, 0, 0)
{}
Field_double(uint32_t len_arg, bool maybe_null_arg, const char *field_name_arg,
uint8_t dec_arg, bool not_fixed_arg)
:Field_real((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "" : 0, (uint32_t) 0,
NONE, field_name_arg, dec_arg, 0, 0)
{not_fixed= not_fixed_arg; }
enum_field_types type() const { return DRIZZLE_TYPE_DOUBLE;}
enum ha_base_keytype key_type() const { return HA_KEYTYPE_DOUBLE; }
int store(const char *to,uint32_t length, const CHARSET_INFO * const charset);
int store(double nr);
int store(int64_t nr, bool unsigned_val);
int reset(void) { memset(ptr, 0, sizeof(double)); return 0; }
double val_real(void);
int64_t val_int(void);
String *val_str(String*,String *);
int cmp(const unsigned char *,const unsigned char *);
void sort_string(unsigned char *buff,uint32_t length);
uint32_t pack_length() const { return sizeof(double); }
uint32_t row_pack_length() { return pack_length(); }
void sql_type(String &str) const;
private:
int do_save_field_metadata(unsigned char *first_byte);
};
#endif /* DRIZZLED_FIELD_DOUBLE_H */
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