Drizzled Public API Documentation

uuid.h
1 /* - mode: c++ c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  *
4  * Copyright (C) 2010 Brian Aker
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #pragma once
22 
23 #include <drizzled/field.h>
24 #include <string>
25 
26 #include <drizzled/type/uuid.h>
27 
28 namespace drizzled
29 {
30 namespace field
31 {
32 
33 class Uuid :public Field {
34  const charset_info_st *field_charset;
35  bool is_set;
36 
37 public:
38  Uuid(unsigned char *ptr_arg,
39  uint32_t len_arg,
40  unsigned char *null_ptr_arg,
41  unsigned char null_bit_arg,
42  const char *field_name_arg);
43 
44  enum_field_types type() const { return DRIZZLE_TYPE_UUID; }
45  enum ha_base_keytype key_type() const { return HA_KEYTYPE_BINARY; }
46  bool zero_pack() const { return 0; }
47  int reset(void) { memset(ptr, 0, type::Uuid::LENGTH); return 0; }
48  uint32_t pack_length() const { return type::Uuid::LENGTH; }
49  uint32_t key_length() const { return type::Uuid::LENGTH; }
50 
51  int store(const char *to, uint32_t length, const charset_info_st * const charset);
52  int store(int64_t nr, bool unsigned_val);
53  double val_real() const;
54  int64_t val_int() const;
55  String *val_str(String*,String *) const;
56  int store_decimal(const drizzled::type::Decimal*);
57 
58  Item_result result_type () const { return STRING_RESULT; }
59  int cmp(const unsigned char*, const unsigned char*);
60  void sort_string(unsigned char*, uint32_t);
61  uint32_t max_display_length() { return type::Uuid::DISPLAY_LENGTH; }
62 
63  int store(double ) { return 0; }
64  inline String *val_str(String *str) { return val_str(str, str); }
65  uint32_t size_of() const { return sizeof(*this); }
66 
67  bool get_date(type::Time &ltime, uint32_t) const;
68  bool get_time(type::Time &ltime) const;
69 
70 #ifdef NOT_YET
71  void generate();
72  void set(const unsigned char *arg);
73 #endif
74 
75  static size_t max_string_length()
76  {
77  return type::Uuid::LENGTH;
78  }
79 };
80 
81 } /* namespace field */
82 } /* namespace drizzled */
83 
84