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
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
|
--echo #
--echo # Bug#22710164 xa with innodb allows a table to be dropped while an xa
--echo # transaction has dml
--echo #
--echo # Enable Lock Instrumentation
--enable_connect_log
let $perf_lock_enabled=`select enabled FROM performance_schema.setup_instruments WHERE name='wait/lock/metadata/sql/mdl'`;
UPDATE performance_schema.setup_instruments SET ENABLED=1 WHERE name='wait/lock/metadata/sql/mdl';
--echo
--echo # Test 1: XA Commit after disconnect
connect (con1, localhost, root, ,test);
CREATE TABLE t1 (a INT);
--echo # Query the table t1 in order to load its definition into the data dictionary cache.
--echo # It is required in order to get consistent result for quering from performance_schema.metadata_locks
--echo # when the test case is run both with and without the option --ps-protocol
--sorted_result
SELECT * FROM t1;
XA START 'test';
INSERT INTO t1 VALUES (10);
XA END 'test';
XA PREPARE 'test';
--echo
--echo # Close connection and check lock status form different connection.
disconnect con1;
--source include/wait_until_disconnected.inc
connection default;
--sorted_result
SELECT * FROM t1;
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Commit XA and check lock status.
XA COMMIT 'test';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
--sorted_result
SELECT * FROM t1;
DROP TABLE t1;
--echo
--echo # Test 2: XA Rollback after disconnect
connect (con1, localhost, root, ,test);
CREATE TABLE t1 (a INT);
--echo # Query the table t1 in order to load its definition into the data dictionary cache.
--echo # It is required in order to get consistent result for quering from performance_schema.metadata_locks
--echo # when the test case is run both with and without the option --ps-protocol
--sorted_result
SELECT * FROM t1;
XA START 'test';
INSERT INTO t1 VALUES (10);
XA END 'test';
XA PREPARE 'test';
--echo
--echo # Close connection and check lock status form different connection.
disconnect con1;
--source include/wait_until_disconnected.inc
connection default;
--sorted_result
SELECT * FROM t1;
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Rollback XA and check lock status.
XA ROLLBACK 'test';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
--sorted_result
SELECT * FROM t1;
DROP TABLE t1;
--echo
--echo # Test 3: Waiting LOCK requests are not granted during lock transfer to backup
connect (con1, localhost, root, ,test);
CREATE TABLE t1 (a INT);
--echo # Query the table t1 in order to load its definition into the data dictionary cache.
--echo # It is required in order to get consistent result for quering from performance_schema.metadata_locks
--echo # when the test case is run both with and without the option --ps-protocol
--sorted_result
SELECT * FROM t1;
XA START 'test';
INSERT INTO t1 VALUES (10);
XA END 'test';
XA PREPARE 'test';
connect (con2, localhost, root, ,test);
--sorted_result
SELECT * FROM t1;
--send DROP TABLE t1
connection default;
let $wait_condition=SELECT count(*) = 2 from performance_schema.metadata_locks where object_name='t1';
--source include/wait_condition.inc
--echo
--echo # Close connection and check lock status form different connection.
connection con1;
disconnect con1;
--source include/wait_until_disconnected.inc
connection default;
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Commit XA and check lock status.
XA COMMIT 'test';
let $wait_condition=SELECT count(*) = 0 from performance_schema.metadata_locks where object_name='t1';
--source include/wait_condition.inc
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
connection con2;
--reap
disconnect con2;
--source include/wait_until_disconnected.inc
connection default;
--echo
--echo # Test 4: XA Commit after restart
connect (con1, localhost, root, ,test);
CREATE TABLE t1 (a INT);
XA START 'test';
INSERT INTO t1 VALUES (10);
XA END 'test';
XA PREPARE 'test';
--echo
--echo # Restart server and check lock status.
disconnect con1;
--source include/wait_until_disconnected.inc
connection default;
--let $restart_parameters=restart:--log_error_verbosity=1 --performance-schema-instrument='wait/lock/metadata/sql/mdl=1'
--source include/restart_mysqld.inc
--sorted_result
SELECT * FROM t1;
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Commit XA and check lock status.
XA COMMIT 'test';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
--sorted_result
SELECT * FROM t1;
DROP TABLE t1;
--echo
--echo # Test 5: XA Rollback after restart
connect (con1, localhost, root, ,test);
CREATE TABLE t1 (a INT);
XA START 'test';
INSERT INTO t1 VALUES (10);
XA END 'test';
XA PREPARE 'test';
--echo
--echo # Restart server and check lock status.
disconnect con1;
--source include/wait_until_disconnected.inc
connection default;
--let $restart_parameters=restart:--log_error_verbosity=1 --performance-schema-instrument='wait/lock/metadata/sql/mdl=1'
--source include/restart_mysqld.inc
--sorted_result
SELECT * FROM t1;
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Rollback XA and check lock status.
XA ROLLBACK 'test';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
--sorted_result
SELECT * FROM t1;
DROP TABLE t1;
--echo
--echo # Test 6: Multiple XA Transaction in Backup
--echo # Insert 3 XA into backup, delete in different order, check lock status
--enable_connect_log
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT);
--echo # Query the tables t1, t2, t3 in order to load their definitions into the data dictionary cache.
--echo # It is required in order to get consistent result for quering from performance_schema.metadata_locks
--echo # when the test case is run both with and without the option --ps-protocol
--sorted_result
SELECT * FROM t1;
--sorted_result
SELECT * FROM t2;
--sorted_result
SELECT * FROM t3;
connect (con1, localhost, root, ,test);
XA START 'test1';
INSERT INTO t1 VALUES (10);
XA END 'test1';
XA PREPARE 'test1';
disconnect con1;
--source include/wait_until_disconnected.inc
connect (con1, localhost, root, ,test);
XA START 'test2';
INSERT INTO t2 VALUES (20);
XA END 'test2';
XA PREPARE 'test2';
disconnect con1;
--source include/wait_until_disconnected.inc
connect (con1, localhost, root, ,test);
XA START 'test3';
INSERT INTO t3 VALUES (30);
XA END 'test3';
XA PREPARE 'test3';
disconnect con1;
--source include/wait_until_disconnected.inc
connection default;
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Commit second XA and check lock status.
XA COMMIT 'test2';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
DROP TABLE t2;
--echo # Commit First XA
XA COMMIT 'test1';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
DROP TABLE t1;
--echo # Commit Last XA
XA COMMIT 'test3';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
DROP TABLE t3;
--echo
--echo # Test 7: Multiple XA in recovery
--enable_connect_log
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
connect (con1, localhost, root, ,test);
XA START 'test1';
INSERT INTO t1 VALUES (10);
XA END 'test1';
XA PREPARE 'test1';
disconnect con1;
--source include/wait_until_disconnected.inc
connect (con1, localhost, root, ,test);
XA START 'test2';
INSERT INTO t2 VALUES (20);
XA END 'test2';
XA PREPARE 'test2';
disconnect con1;
--source include/wait_until_disconnected.inc
--echo
--echo # Restart server and check lock status.
connection default;
--let $restart_parameters=restart:--log_error_verbosity=1 --performance-schema-instrument='wait/lock/metadata/sql/mdl=1'
--source include/restart_mysqld.inc
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
SHOW TABLES;
--sorted_result
XA RECOVER;
--echo
--echo # Commit First XA
XA COMMIT 'test1';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
DROP TABLE t1;
--echo
--echo # Commit second XA
XA COMMIT 'test2';
--sorted_result
SELECT object_type, object_schema, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_schema = 'test';
--sorted_result
XA RECOVER;
DROP TABLE t2;
--echo # Cleanup
--eval UPDATE performance_schema.setup_instruments SET ENABLED='$perf_lock_enabled' WHERE name='wait/lock/metadata/sql/mdl'
--disable_connect_log
# Restore default settings
--let $restart_parameters = restart:
--source include/restart_mysqld.inc
|
