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
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
|
include/master-slave.inc
[connection master]
connection slave;
CREATE USER 'nonsuperuser'@'127.0.0.1';
GRANT ALTER,CREATE,DELETE,DROP,EVENT,INSERT,PROCESS,REPLICATION SLAVE,
SELECT,UPDATE ON *.* TO 'nonsuperuser'@'127.0.0.1';
connect nonpriv, 127.0.0.1, nonsuperuser,, test, $SLAVE_MYPORT,;
connection nonpriv;
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_MASTER;
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
disconnect nonpriv;
connection slave;
DROP USER'nonsuperuser'@'127.0.0.1';
SELECT @@global.replicate_events_marked_for_skip;
@@global.replicate_events_marked_for_skip
REPLICATE
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_SLAVE;
ERROR HY000: This operation cannot be performed as you have a running slave ''; run STOP SLAVE '' first
SELECT @@global.replicate_events_marked_for_skip;
@@global.replicate_events_marked_for_skip
REPLICATE
STOP SLAVE;
SET SESSION replicate_events_marked_for_skip=FILTER_ON_MASTER;
ERROR HY000: Variable 'replicate_events_marked_for_skip' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@global.replicate_events_marked_for_skip;
@@global.replicate_events_marked_for_skip
REPLICATE
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_MASTER;
SELECT @@global.replicate_events_marked_for_skip;
@@global.replicate_events_marked_for_skip
FILTER_ON_MASTER
START SLAVE;
connection master;
SELECT @@skip_replication;
@@skip_replication
0
SET GLOBAL skip_replication=1;
ERROR HY000: Variable 'skip_replication' is a SESSION variable and can't be used with SET GLOBAL
SELECT @@skip_replication;
@@skip_replication
0
CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=myisam;
CREATE TABLE t2 (a INT PRIMARY KEY, b INT) ENGINE=innodb;
INSERT INTO t1(a) VALUES (1);
INSERT INTO t2(a) VALUES (1);
SET skip_replication=1;
CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=myisam;
INSERT INTO t1(a) VALUES (2);
INSERT INTO t2(a) VALUES (2);
FLUSH NO_WRITE_TO_BINLOG LOGS;
connection slave;
connection slave;
SHOW TABLES;
Tables_in_test
t1
t2
SELECT * FROM t1;
a b
1 NULL
SELECT * FROM t2;
a b
1 NULL
connection master;
DROP TABLE t3;
FLUSH NO_WRITE_TO_BINLOG LOGS;
connection slave;
connection slave;
STOP SLAVE;
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_SLAVE;
START SLAVE;
connection master;
SET skip_replication=1;
CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=myisam;
INSERT INTO t1(a) VALUES (3);
INSERT INTO t2(a) VALUES (3);
FLUSH NO_WRITE_TO_BINLOG LOGS;
connection slave;
connection slave;
SHOW TABLES;
Tables_in_test
t1
t2
SELECT * FROM t1;
a b
1 NULL
SELECT * FROM t2;
a b
1 NULL
connection master;
DROP TABLE t3;
FLUSH NO_WRITE_TO_BINLOG LOGS;
connection slave;
connection slave;
STOP SLAVE;
SET GLOBAL replicate_events_marked_for_skip=REPLICATE;
START SLAVE;
connection master;
SET skip_replication=1;
CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=myisam;
INSERT INTO t3(a) VALUES(2);
connection slave;
connection slave;
SELECT * FROM t3;
a b
2 NULL
connection master;
DROP TABLE t3;
TRUNCATE t1;
connection slave;
connection slave;
RESET MASTER;
connection master;
SET skip_replication=0;
INSERT INTO t1 VALUES (1,0);
SET skip_replication=1;
INSERT INTO t1 VALUES (2,0);
SET skip_replication=0;
INSERT INTO t1 VALUES (3,0);
connection slave;
connection slave;
SELECT * FROM t1 ORDER by a;
a b
1 0
2 0
3 0
STOP SLAVE;
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_MASTER;
connection master;
TRUNCATE t1;
SELECT * FROM t1 ORDER by a;
a b
1 0
2 0
3 0
connection slave;
START SLAVE;
connection master;
connection slave;
connection slave;
SELECT * FROM t1 ORDER by a;
a b
1 0
3 0
connection master;
TRUNCATE t1;
connection slave;
connection slave;
STOP SLAVE;
SET GLOBAL sql_slave_skip_counter=6;
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_SLAVE;
START SLAVE;
connection master;
SET @old_binlog_format= @@binlog_format;
SET binlog_format= statement;
SET skip_replication=0;
INSERT INTO t1 VALUES (1,5);
SET skip_replication=1;
INSERT INTO t1 VALUES (2,5);
SET skip_replication=0;
INSERT INTO t1 VALUES (3,5);
INSERT INTO t1 VALUES (4,5);
SET binlog_format= @old_binlog_format;
connection slave;
connection slave;
SELECT * FROM t1;
a b
4 5
connection slave;
include/stop_slave.inc
SET @old_slave_binlog_format= @@global.binlog_format;
SET GLOBAL binlog_format= row;
include/start_slave.inc
connection master;
TRUNCATE t1;
SET @old_binlog_format= @@binlog_format;
SET binlog_format= row;
BINLOG 'wlZOTw8BAAAA8QAAAPUAAAAAAAQANS41LjIxLU1hcmlhREItZGVidWctbG9nAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAEzgNAAgAEgAEBAQEEgAA2QAEGggAAAAICAgCAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA371saA==';
BINLOG 'wlZOTxMBAAAAKgAAAGMBAAAAgCkAAAAAAAEABHRlc3QAAnQxAAIDAwAC
wlZOTxcBAAAAJgAAAIkBAAAAgCkAAAAAAAEAAv/8AQAAAAgAAAA=';
BINLOG 'wlZOTxMBAAAAKgAAADwCAAAAACkAAAAAAAEABHRlc3QAAnQxAAIDAwAC
wlZOTxcBAAAAJgAAAGICAAAAACkAAAAAAAEAAv/8AgAAAAgAAAA=';
SET binlog_format= @old_binlog_format;
SELECT * FROM t1 ORDER BY a;
a b
1 8
2 8
connection slave;
connection slave;
SELECT * FROM t1 ORDER by a;
a b
2 8
include/stop_slave.inc
SET GLOBAL binlog_format= @old_slave_binlog_format;
include/start_slave.inc
connection master;
SET skip_replication=0;
BEGIN;
SET skip_replication=0;
ERROR HY000: Cannot modify @@session.skip_replication inside a transaction
SET skip_replication=1;
ERROR HY000: Cannot modify @@session.skip_replication inside a transaction
ROLLBACK;
SET skip_replication=1;
BEGIN;
SET skip_replication=0;
ERROR HY000: Cannot modify @@session.skip_replication inside a transaction
SET skip_replication=1;
ERROR HY000: Cannot modify @@session.skip_replication inside a transaction
COMMIT;
SET autocommit=0;
INSERT INTO t2(a) VALUES(100);
SET skip_replication=1;
ERROR HY000: Cannot modify @@session.skip_replication inside a transaction
ROLLBACK;
SET autocommit=1;
SET skip_replication=1;
CREATE FUNCTION foo (x INT) RETURNS INT BEGIN SET SESSION skip_replication=x; RETURN x; END|
CREATE PROCEDURE bar(x INT) BEGIN SET SESSION skip_replication=x; END|
CREATE FUNCTION baz (x INT) RETURNS INT BEGIN CALL bar(x); RETURN x; END|
SELECT foo(0);
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
SELECT baz(0);
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
SET @a= foo(1);
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
SET @a= baz(1);
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
UPDATE t2 SET b=foo(0);
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
UPDATE t2 SET b=baz(0);
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
INSERT INTO t1 VALUES (101, foo(1));
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
INSERT INTO t1 VALUES (101, baz(0));
ERROR HY000: Cannot modify @@session.skip_replication inside a stored function or trigger
SELECT @@skip_replication;
@@skip_replication
1
CALL bar(0);
SELECT @@skip_replication;
@@skip_replication
0
CALL bar(1);
SELECT @@skip_replication;
@@skip_replication
1
DROP FUNCTION foo;
DROP PROCEDURE bar;
DROP FUNCTION baz;
connection master;
SET skip_replication= 0;
TRUNCATE t1;
connection slave;
connection slave;
STOP SLAVE;
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_MASTER;
START SLAVE IO_THREAD;
connection master;
SET skip_replication= 1;
INSERT INTO t1(a) VALUES (1);
SET skip_replication= 0;
INSERT INTO t1(a) VALUES (2);
include/save_master_pos.inc
connection slave;
include/sync_io_with_master.inc
STOP SLAVE IO_THREAD;
SET GLOBAL replicate_events_marked_for_skip=REPLICATE;
START SLAVE;
connection master;
connection slave;
connection slave;
SELECT * FROM t1;
a b
2 NULL
connection master;
SET skip_replication= 0;
TRUNCATE t1;
connection slave;
connection slave;
STOP SLAVE;
SET GLOBAL replicate_events_marked_for_skip=FILTER_ON_SLAVE;
START SLAVE IO_THREAD;
connection master;
SET skip_replication= 1;
INSERT INTO t1(a) VALUES (1);
SET skip_replication= 0;
INSERT INTO t1(a) VALUES (2);
include/save_master_pos.inc
connection slave;
include/sync_io_with_master.inc
STOP SLAVE IO_THREAD;
SET GLOBAL replicate_events_marked_for_skip=REPLICATE;
START SLAVE;
connection master;
connection slave;
connection slave;
SELECT * FROM t1 ORDER BY a;
a b
1 NULL
2 NULL
connection master;
SET skip_replication=0;
DROP TABLE t1,t2;
connection slave;
STOP SLAVE;
SET GLOBAL replicate_events_marked_for_skip=REPLICATE;
START SLAVE;
include/rpl_end.inc
|