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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
/*****************************************************************************
Copyright (c) 1995, 2015, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2019, MariaDB Corporation.
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; version 2 of the License.
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 Street, Fifth Floor, Boston, MA 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file include/mtr0types.h
Mini-transaction buffer global types
Created 11/26/1995 Heikki Tuuri
*******************************************************/
#ifndef mtr0types_h
#define mtr0types_h
#ifndef UNIV_INNOCHECKSUM
#include "sync0rw.h"
#endif /* UNIV_INNOCHECKSUM */
struct mtr_t;
/** Logging modes for a mini-transaction */
enum mtr_log_t {
/** Default mode: log all operations modifying disk-based data */
MTR_LOG_ALL = 21,
/** Log no operations and dirty pages are not added to the flush list */
MTR_LOG_NONE = 22,
/** Don't generate REDO log but add dirty pages to flush list */
MTR_LOG_NO_REDO = 23,
/** Inserts are logged in a shorter form */
MTR_LOG_SHORT_INSERTS = 24
};
/** @name Log item types
The log items are declared 'byte' so that the compiler can warn if val
and type parameters are switched in a call to mlog_write_ulint. NOTE!
For 1 - 8 bytes, the flag value must give the length also! @{ */
enum mlog_id_t {
/** if the mtr contains only one log record for one page,
i.e., write_initial_log_record has been called only once,
this flag is ORed to the type of that first log record */
MLOG_SINGLE_REC_FLAG = 128,
/** one byte is written */
MLOG_1BYTE = 1,
/** 2 bytes ... */
MLOG_2BYTES = 2,
/** 4 bytes ... */
MLOG_4BYTES = 4,
/** 8 bytes ... */
MLOG_8BYTES = 8,
/** Record insert */
MLOG_REC_INSERT = 9,
/** Mark clustered index record deleted */
MLOG_REC_CLUST_DELETE_MARK = 10,
/** Mark secondary index record deleted */
MLOG_REC_SEC_DELETE_MARK = 11,
/** update of a record, preserves record field sizes */
MLOG_REC_UPDATE_IN_PLACE = 13,
/*!< Delete a record from a page */
MLOG_REC_DELETE = 14,
/** Delete record list end on index page */
MLOG_LIST_END_DELETE = 15,
/** Delete record list start on index page */
MLOG_LIST_START_DELETE = 16,
/** Copy record list end to a new created index page */
MLOG_LIST_END_COPY_CREATED = 17,
/** Reorganize an index page in ROW_FORMAT=REDUNDANT */
MLOG_PAGE_REORGANIZE = 18,
/** Create an index page */
MLOG_PAGE_CREATE = 19,
/** insert an undo log record */
MLOG_UNDO_INSERT = 20,
/** erase an undo log page end (used in MariaDB 10.2) */
MLOG_UNDO_ERASE_END = 21,
/** initialize a page in an undo log */
MLOG_UNDO_INIT = 22,
/** reuse an insert undo log header (used in MariaDB 10.2) */
MLOG_UNDO_HDR_REUSE = 24,
/** create an undo log header */
MLOG_UNDO_HDR_CREATE = 25,
/** mark an index record as the predefined minimum record */
MLOG_REC_MIN_MARK = 26,
/** initialize an ibuf bitmap page (used in MariaDB 10.2 and 10.3) */
MLOG_IBUF_BITMAP_INIT = 27,
#ifdef UNIV_LOG_LSN_DEBUG
/** Current LSN */
MLOG_LSN = 28,
#endif /* UNIV_LOG_LSN_DEBUG */
/** write a string to a page */
MLOG_WRITE_STRING = 30,
/** If a single mtr writes several log records, this log
record ends the sequence of these records */
MLOG_MULTI_REC_END = 31,
/** dummy log record used to pad a log block full */
MLOG_DUMMY_RECORD = 32,
/** log record about an .ibd file creation */
//MLOG_FILE_CREATE = 33,
/** rename databasename/tablename (no .ibd file name suffix) */
//MLOG_FILE_RENAME = 34,
/** delete a tablespace file that starts with (space_id,page_no) */
MLOG_FILE_DELETE = 35,
/** mark a compact index record as the predefined minimum record */
MLOG_COMP_REC_MIN_MARK = 36,
/** create a compact index page */
MLOG_COMP_PAGE_CREATE = 37,
/** compact record insert */
MLOG_COMP_REC_INSERT = 38,
/** mark compact clustered index record deleted */
MLOG_COMP_REC_CLUST_DELETE_MARK = 39,
/** update of a compact record, preserves record field sizes */
MLOG_COMP_REC_UPDATE_IN_PLACE = 41,
/** delete a compact record from a page */
MLOG_COMP_REC_DELETE = 42,
/** delete compact record list end on index page */
MLOG_COMP_LIST_END_DELETE = 43,
/*** delete compact record list start on index page */
MLOG_COMP_LIST_START_DELETE = 44,
/** copy compact record list end to a new created index page */
MLOG_COMP_LIST_END_COPY_CREATED = 45,
/** reorganize an index page */
MLOG_COMP_PAGE_REORGANIZE = 46,
/** log record about creating an .ibd file, with format */
MLOG_FILE_CREATE2 = 47,
/** write the node pointer of a record on a compressed
non-leaf B-tree page */
MLOG_ZIP_WRITE_NODE_PTR = 48,
/** write the BLOB pointer of an externally stored column
on a compressed page */
MLOG_ZIP_WRITE_BLOB_PTR = 49,
/** write to compressed page header */
MLOG_ZIP_WRITE_HEADER = 50,
/** compress an index page */
MLOG_ZIP_PAGE_COMPRESS = 51,
/** compress an index page without logging it's image */
MLOG_ZIP_PAGE_COMPRESS_NO_DATA = 52,
/** reorganize a compressed page */
MLOG_ZIP_PAGE_REORGANIZE = 53,
/** rename a tablespace file that starts with (space_id,page_no) */
MLOG_FILE_RENAME2 = 54,
/** note the first use of a tablespace file since checkpoint */
MLOG_FILE_NAME = 55,
/** note that all buffered log was written since a checkpoint */
MLOG_CHECKPOINT = 56,
/** Create a R-Tree index page */
MLOG_PAGE_CREATE_RTREE = 57,
/** create a R-tree compact page */
MLOG_COMP_PAGE_CREATE_RTREE = 58,
/** initialize a file page */
MLOG_INIT_FILE_PAGE2 = 59,
/** Table is being truncated. (Was used in 10.2 and 10.3;
not supported for crash-upgrade to 10.4 or later.) */
MLOG_TRUNCATE = 60,
/** notify that an index tree is being loaded without writing
redo log about individual pages */
MLOG_INDEX_LOAD = 61,
/** write DB_TRX_ID,DB_ROLL_PTR to a clustered index leaf page
of a ROW_FORMAT=COMPRESSED table */
MLOG_ZIP_WRITE_TRX_ID = 62,
/** initialize a page with a string of identical bytes */
MLOG_MEMSET = 63,
/** Zero-fill a page that is not allocated. */
MLOG_INIT_FREE_PAGE = 64,
/** biggest value (used in assertions) */
MLOG_BIGGEST_TYPE = MLOG_INIT_FREE_PAGE,
/** log record for writing/updating crypt data of
a tablespace */
MLOG_FILE_WRITE_CRYPT_DATA = 100,
};
/* @} */
#define EXTRA_CHECK_MLOG_NUMBER(x) \
((x) == MLOG_FILE_WRITE_CRYPT_DATA)
/** Size of a MLOG_CHECKPOINT record in bytes.
The record consists of a MLOG_CHECKPOINT byte followed by
mach_write_to_8(checkpoint_lsn). */
#define SIZE_OF_MLOG_CHECKPOINT 9
#ifndef UNIV_INNOCHECKSUM
/** Types for the mlock objects to store in the mtr memo; NOTE that the
first 3 values must be RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */
enum mtr_memo_type_t {
MTR_MEMO_PAGE_S_FIX = RW_S_LATCH,
MTR_MEMO_PAGE_X_FIX = RW_X_LATCH,
MTR_MEMO_PAGE_SX_FIX = RW_SX_LATCH,
MTR_MEMO_BUF_FIX = RW_NO_LATCH,
#ifdef UNIV_DEBUG
MTR_MEMO_MODIFY = 16,
#endif /* UNIV_DEBUG */
MTR_MEMO_S_LOCK = RW_S_LATCH << 5,
MTR_MEMO_X_LOCK = RW_X_LATCH << 5,
MTR_MEMO_SX_LOCK = RW_SX_LATCH << 5
};
#endif /* !UNIV_CHECKSUM */
#ifdef UNIV_DEBUG
# define MTR_MAGIC_N 54551
#endif /* UNIV_DEBUG */
enum mtr_state_t {
MTR_STATE_INIT = 0,
MTR_STATE_ACTIVE = 12231,
MTR_STATE_COMMITTING = 56456,
MTR_STATE_COMMITTED = 34676
};
#endif /* mtr0types_h */
|
