~drizzle-trunk/drizzle/development

/* - mode: c++ c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Brian Aker

 *

 *  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>

#include <string>

#include <drizzled/type/uuid.h>

namespace drizzled

{

namespace field

{

class Uuid :public Field {

  const charset_info_st *field_charset;

  bool is_set;

public:

  Uuid(unsigned char *ptr_arg,

       uint32_t len_arg,

       unsigned char *null_ptr_arg,

       unsigned char null_bit_arg,

       const char *field_name_arg);

  enum_field_types type() const { return DRIZZLE_TYPE_UUID; }

  enum ha_base_keytype key_type() const { return HA_KEYTYPE_BINARY; }

  bool zero_pack() const { return 0; }

  int  reset(void) { memset(ptr, 0, type::Uuid::LENGTH); return 0; }

  uint32_t pack_length() const { return type::Uuid::LENGTH; }

  uint32_t key_length() const { return type::Uuid::LENGTH; }

  int store(const char *to, uint32_t length, const charset_info_st * const charset);

  int store(int64_t nr, bool unsigned_val);

  double val_real() const;

  int64_t val_int() const;

  String *val_str(String*,String *) const;

  int store_decimal(const drizzled::type::Decimal*);

  Item_result result_type () const { return STRING_RESULT; }

  int cmp(const unsigned char*, const unsigned char*);

  void sort_string(unsigned char*, uint32_t);

  uint32_t max_display_length() { return type::Uuid::DISPLAY_LENGTH; }

  int  store(double ) { return 0; }

  inline String *val_str(String *str) { return val_str(str, str); }

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

  bool get_date(type::Time &ltime, uint32_t) const;

  bool get_time(type::Time &ltime) const;

#ifdef NOT_YET

  void generate();

  void set(const unsigned char *arg);

#endif

  static size_t max_string_length()

  {

    return type::Uuid::LENGTH;

  }

};

} /* namespace field */

} /* namespace drizzled */