~drizzle-trunk/drizzle/development

/* - 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_REAL_H

#define DRIZZLED_FIELD_REAL_H

#include <drizzled/field/num.h>

namespace drizzled

{

/* base class for float and double and decimal (old one) */

class Field_real :public Field_num {

public:

  bool not_fixed;

  using Field::unpack;

  using Field::pack;

  Field_real(unsigned char *ptr_arg, uint32_t len_arg, unsigned char *null_ptr_arg,

             unsigned char null_bit_arg, utype unireg_check_arg,

             const char *field_name_arg,

             uint8_t dec_arg, bool zero_arg, bool unsigned_arg)

    :Field_num(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg,

               field_name_arg, dec_arg, zero_arg, unsigned_arg),

    not_fixed(dec_arg >= NOT_FIXED_DEC)

    {}

  int store_decimal(const my_decimal *);

  my_decimal *val_decimal(my_decimal *);

  int truncate(double *nr, double max_length);

  uint32_t max_display_length() { return field_length; }

  uint32_t size_of() const { return sizeof(*this); }

  virtual const unsigned char *unpack(unsigned char* to, const unsigned char *from,

                              uint32_t param_data, bool low_byte_first);

  virtual unsigned char *pack(unsigned char* to, const unsigned char *from,

                      uint32_t max_length, bool low_byte_first);

};

} /* namespace drizzled */

#endif /* DRIZZLED_FIELD_REAL_H */