~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

 */

#pragma once

#include <drizzled/field.h>

namespace drizzled

{

class Field_num :public Field 

{

public:

  const uint8_t dec;

  bool decimal_precision;       // Purify cannot handle bit fields & only for decimal type

  bool unsigned_flag;   // Purify cannot handle bit fields

  Field_num(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);

  Item_result result_type () const { return REAL_RESULT; }

  friend class CreateField;

  void make_field(SendField *);

  uint32_t decimals() const { return (uint32_t) dec; }

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

  bool eq_def(Field *field);

  int store_decimal(const type::Decimal *);

  type::Decimal *val_decimal(type::Decimal *) const;

  uint32_t is_equal(CreateField *new_field);

  int check_int(const charset_info_st * const cs, const char *str, int length,

                const char *int_end, int error);

  bool get_int(const charset_info_st * const cs, const char *from, uint32_t len,

               int64_t *rnd, uint64_t unsigned_max,

               int64_t signed_min, int64_t signed_max);

};

} /* namespace drizzled */