1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/* Copyright (c) 2008 PrimeBase Technologies GmbH, Germany
*
* PrimeBase Media Stream for 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Original author: Paul McCullagh
* Continued development: Barry Leslie
*
* 2007-05-20
*
* H&G2JCtL
*
* Table handler.
*
*/
#ifndef __HA_PBMS_H__
#define __HA_PBMS_H__
#include "Defs_ms.h"
#include "Engine_ms.h"
#ifdef USE_PRAGMA_INTERFACE
#pragma interface /* gcc class implementation */
#endif
#if MYSQL_VERSION_ID >= 50120
#define byte uchar
#endif
#ifdef DRIZZLED
#include <drizzled/server_includes.h>
#include <drizzled/handler.h>
class PBMSStorageEngine;
#define handlerton PBMSStorageEngine
#else
extern handlerton *pbms_hton;
#endif
class MSOpenSystemTable;
class ha_pbms: public handler
{
THR_LOCK_DATA ha_lock; ///< MySQL lock
MSOpenSystemTable *ha_open_tab;
int ha_error;
PBMSResultRec ha_result;
//MS_SHARE *ha_share; ///< Shared lock info
public:
ha_pbms(handlerton *hton, TABLE_SHARE *table_arg);
~ha_pbms() { }
const char *table_type() const { return "PBMS"; }
const char *index_type(uint inx) { return "NONE"; }
#ifndef DRIZZLED
const char **bas_ext() const;
#endif
MX_TABLE_TYPES_T table_flags() const;
MX_ULONG_T index_flags(uint inx, uint part, bool all_parts) const { return (HA_READ_NEXT | HA_READ_PREV | HA_READ_RANGE | HA_KEYREAD_ONLY); }
uint max_supported_keys() const { return 512; }
uint max_supported_key_length() const { return 1024; }
uint max_supported_key_part_length() const { return 1024; }
int open(const char *name, int mode, uint test_if_locked);
void drop_table(const char *name) {}
int close(void);
int write_row(unsigned char * buf);
int update_row(const unsigned char * old_data, unsigned char * new_data);
int delete_row(const unsigned char * buf);
/* Sequential scan functions: */
int rnd_init(bool scan);
int rnd_next(byte *buf);
int rnd_pos(byte * buf, byte *pos);
void position(const byte *record);
int info(uint);
#ifdef PBMS_HAS_KEYS
/* Index access functions: */
int index_init(uint idx, bool sorted);
int index_end();
int index_read(byte * buf, const byte * key,
uint key_len, enum ha_rkey_function find_flag);
int index_read_idx(byte * buf, uint idx, const byte * key,
uint key_len, enum ha_rkey_function find_flag);
int index_next(byte * buf);
int index_prev(byte * buf);
int index_first(byte * buf);
int index_last(byte * buf);
int index_read_last(byte * buf, const byte * key, uint key_len);
#endif
int external_lock(THD *thd, int lock_type);
#ifndef DRIZZLED
int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info);
#endif
THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, enum thr_lock_type lock_type);
bool get_error_message(int error, String *buf);
};
#endif
|