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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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 */
/* The old structures from unireg */
struct st_table;
class Field;
typedef struct st_lex_string
{
char *str;
uint length;
} LEX_STRING;
typedef struct st_lex_string_with_init :public st_lex_string
{
st_lex_string_with_init(const char *str_arg, uint length_arg)
{
str= (char*) str_arg;
length= length_arg;
}
} LEX_STRING_WITH_INIT;
typedef struct st_date_time_format {
uchar positions[8];
char time_separator; /* Separator between hour and minute */
uint flag; /* For future */
LEX_STRING format;
} DATE_TIME_FORMAT;
typedef struct st_keyfile_info { /* used with ha_info() */
byte ref[MAX_REFLENGTH]; /* Pointer to current row */
byte dupp_ref[MAX_REFLENGTH]; /* Pointer to dupp row */
uint ref_length; /* Length of ref (1-8) */
uint block_size; /* index block size */
File filenr; /* (uniq) filenr for table */
ha_rows records; /* Records i datafilen */
ha_rows deleted; /* Deleted records */
ulonglong data_file_length; /* Length off data file */
ulonglong max_data_file_length; /* Length off data file */
ulonglong index_file_length;
ulonglong max_index_file_length;
ulonglong delete_length; /* Free bytes */
ulonglong auto_increment_value;
int errkey,sortkey; /* Last errorkey and sorted by */
time_t create_time; /* When table was created */
time_t check_time;
time_t update_time;
ulong mean_rec_length; /* physical reclength */
} KEYFILE_INFO;
typedef struct st_key_part_info { /* Info about a key part */
Field *field;
uint offset; /* offset in record (from 0) */
uint null_offset; /* Offset to null_bit in record */
uint16 length; /* Length of key_part */
uint16 store_length;
uint16 key_type;
uint16 fieldnr; /* Fieldnum in UNIREG */
uint8 key_part_flag; /* 0 or HA_REVERSE_SORT */
uint8 type;
uint8 null_bit; /* Position to null_bit */
} KEY_PART_INFO ;
typedef struct st_key {
uint key_length; /* Tot length of key */
uint flags; /* dupp key and pack flags */
uint key_parts; /* How many key_parts */
uint extra_length;
uint usable_key_parts; /* Should normally be = key_parts */
enum ha_key_alg algorithm;
KEY_PART_INFO *key_part;
char *name; /* Name of key */
ulong *rec_per_key; /* Key part distribution */
union {
int bdb_return_if_eq;
} handler;
struct st_table *table;
} KEY;
struct st_join_table;
typedef struct st_reginfo { /* Extra info about reg */
struct st_join_table *join_tab; /* Used by SELECT() */
enum thr_lock_type lock_type; /* How database is used */
bool not_exists_optimize;
bool impossible_range;
} REGINFO;
struct st_read_record; /* For referense later */
class SQL_SELECT;
class THD;
class handler;
typedef struct st_read_record { /* Parameter to read_record */
struct st_table *table; /* Head-form */
handler *file;
struct st_table **forms; /* head and ref forms */
int (*read_record)(struct st_read_record *);
THD *thd;
SQL_SELECT *select;
uint cache_records;
uint ref_length,struct_length,reclength,rec_cache_size,error_offset;
uint index;
byte *ref_pos; /* pointer to form->refpos */
byte *record;
byte *rec_buf; /* to read field values after filesort */
byte *cache,*cache_pos,*cache_end,*read_positions;
IO_CACHE *io_cache;
bool print_error, ignore_not_found_rows;
} READ_RECORD;
/*
Originally MySQL used TIME structure inside server only, but since
4.1 it's exported to user in the new client API. Define aliases for
new names to keep existing code simple.
*/
typedef struct st_mysql_time TIME;
typedef enum enum_mysql_timestamp_type timestamp_type;
typedef struct {
ulong year,month,day,hour;
ulonglong minute,second,second_part;
bool neg;
} INTERVAL;
typedef struct st_known_date_time_format {
const char *format_name;
const char *date_format;
const char *datetime_format;
const char *time_format;
} KNOWN_DATE_TIME_FORMAT;
enum SHOW_TYPE
{
SHOW_UNDEF,
SHOW_LONG, SHOW_LONGLONG, SHOW_INT, SHOW_CHAR, SHOW_CHAR_PTR, SHOW_DOUBLE,
SHOW_BOOL, SHOW_MY_BOOL, SHOW_OPENTABLES, SHOW_STARTTIME, SHOW_QUESTION,
SHOW_LONG_CONST, SHOW_INT_CONST, SHOW_HAVE, SHOW_SYS, SHOW_HA_ROWS,
#ifdef HAVE_OPENSSL
SHOW_SSL_CTX_SESS_ACCEPT, SHOW_SSL_CTX_SESS_ACCEPT_GOOD,
SHOW_SSL_GET_VERSION, SHOW_SSL_CTX_GET_SESSION_CACHE_MODE,
SHOW_SSL_CTX_SESS_CB_HITS, SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE,
SHOW_SSL_CTX_SESS_NUMBER, SHOW_SSL_SESSION_REUSED,
SHOW_SSL_CTX_SESS_GET_CACHE_SIZE, SHOW_SSL_GET_CIPHER,
SHOW_SSL_GET_DEFAULT_TIMEOUT, SHOW_SSL_GET_VERIFY_MODE,
SHOW_SSL_CTX_GET_VERIFY_MODE, SHOW_SSL_GET_VERIFY_DEPTH,
SHOW_SSL_CTX_GET_VERIFY_DEPTH, SHOW_SSL_CTX_SESS_CONNECT,
SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE, SHOW_SSL_CTX_SESS_CONNECT_GOOD,
SHOW_SSL_CTX_SESS_HITS, SHOW_SSL_CTX_SESS_MISSES,
SHOW_SSL_CTX_SESS_TIMEOUTS, SHOW_SSL_CTX_SESS_CACHE_FULL,
SHOW_SSL_GET_CIPHER_LIST,
#endif /* HAVE_OPENSSL */
SHOW_RPL_STATUS, SHOW_SLAVE_RUNNING,
SHOW_KEY_CACHE_LONG, SHOW_KEY_CACHE_CONST_LONG,
SHOW_LONG_STATUS, SHOW_LONG_CONST_STATUS
};
enum SHOW_COMP_OPTION { SHOW_OPTION_YES, SHOW_OPTION_NO, SHOW_OPTION_DISABLED};
extern const char *show_comp_option_name[];
typedef int *(*update_var)(THD *, struct show_var_st *);
typedef struct show_var_st {
const char *name;
char *value;
SHOW_TYPE type;
} SHOW_VAR;
typedef struct st_lex_user {
LEX_STRING user, host, password;
} LEX_USER;
typedef struct user_resources {
uint questions, updates, connections, bits;
} USER_RESOURCES;
typedef struct user_conn {
char *user, *host;
uint len, connections, conn_per_hour, updates, questions, user_len;
USER_RESOURCES user_resources;
time_t intime;
} USER_CONN;
/* Bits in form->update */
#define REG_MAKE_DUPP 1 /* Make a copy of record when read */
#define REG_NEW_RECORD 2 /* Write a new record if not found */
#define REG_UPDATE 4 /* Uppdate record */
#define REG_DELETE 8 /* Delete found record */
#define REG_PROG 16 /* User is updating database */
#define REG_CLEAR_AFTER_WRITE 32
#define REG_MAY_BE_UPDATED 64
#define REG_AUTO_UPDATE 64 /* Used in D-forms for scroll-tables */
#define REG_OVERWRITE 128
#define REG_SKIP_DUP 256
/* Bits in form->status */
#define STATUS_NO_RECORD (1+2) /* Record isn't usably */
#define STATUS_GARBAGE 1
#define STATUS_NOT_FOUND 2 /* No record in database when needed */
#define STATUS_NO_PARENT 4 /* Parent record wasn't found */
#define STATUS_NOT_READ 8 /* Record isn't read */
#define STATUS_UPDATED 16 /* Record is updated by formula */
#define STATUS_NULL_ROW 32 /* table->null_row is set */
#define STATUS_DELETED 64
|
