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
|
#
# Step-1) Initial Setup which is required for the test.
#
RESET MASTER;
#
# Step-1.1) Create four client connections.
#
#
# Step-1.2) Create a sample table.
#
CREATE TABLE t1 (i INT);
#
# Step-2) Execute a simple insert transaction that will wait
# for a signal at various stages of transaction commit.
# Execute 'RESET MASTER' when it is waiting for the signal
# and check binlog contents and GTID_EXECUTED (if GTID
# enabled) that they are as expected.
#
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="ha_commit_trans_before_acquire_commit_lock SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
RESET MASTER;
SET debug_sync="now SIGNAL insert_continue";
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_before_flush_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
RESET MASTER;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_flush_stage_before_sync_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
RESET MASTER;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_sync_stage_before_commit_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
RESET MASTER;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_commit_stage_before_rotation SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
RESET MASTER;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="ha_commit_trans_before_acquire_commit_lock SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
SET debug_sync="now SIGNAL insert_continue";
RESET MASTER;
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_before_flush_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
RESET MASTER;
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_flush_stage_before_sync_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
RESET MASTER;
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_sync_stage_before_commit_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
RESET MASTER;
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_commit_stage_before_rotation SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
RESET MASTER;
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="ha_commit_trans_before_acquire_commit_lock SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
SET debug_sync="now SIGNAL insert_continue";
[connection conn4]
RESET MASTER;
[connection conn2]
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_before_flush_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn4]
RESET MASTER;
[connection conn2]
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_flush_stage_before_sync_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn4]
RESET MASTER;
[connection conn2]
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_sync_stage_before_commit_stage SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn4]
RESET MASTER;
[connection conn2]
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
[connection conn1]
BEGIN;
INSERT INTO t1 VALUES (1);
SET debug_sync="bgc_after_commit_stage_before_rotation SIGNAL reached WAIT_FOR insert_continue";
COMMIT;
[connection conn2]
SET debug_sync="now WAIT_FOR reached";
FLUSH TABLES WITH READ LOCK;
[connection conn3]
SET debug_sync="now SIGNAL insert_continue";
[connection conn2]
[connection conn4]
RESET MASTER;
[connection conn2]
UNLOCK TABLES;
[connection conn1]
#
# Step-2.4) Reset the debug signals for the next iteration
#
[connection conn2]
SET debug_sync="RESET";
#
# Step-3) Check that 'RESET MASTER' fails if it is executed from a
# session that has already acquired locks on a table.
#
LOCK TABLE t1 READ;
RESET MASTER;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
UNLOCK TABLES;
LOCK TABLE t1 WRITE;
RESET MASTER;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
UNLOCK TABLES;
# Step-4) Cleanup
#
DROP TABLE t1;
|
