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
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
|
SET @old_general_log= @@global.general_log;
SET @old_general_log_file= @@global.general_log_file;
SET @old_slow_query_log= @@global.slow_query_log;
SET @old_slow_query_log_file= @@global.slow_query_log_file;
set global general_log= OFF;
truncate table mysql.general_log;
truncate table mysql.slow_log;
show global variables
where Variable_name = 'log' or Variable_name = 'log_slow_queries' or
Variable_name = 'general_log' or Variable_name = 'slow_query_log';
Variable_name Value
general_log OFF
log OFF
log_slow_queries OFF
slow_query_log OFF
flush logs;
set global general_log= ON;
create table t1(f1 int);
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query create table t1(f1 int)
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log
set global general_log= OFF;
drop table t1;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query create table t1(f1 int)
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log
TIMESTAMP USER_HOST # 1 Query set global general_log= OFF
set global general_log= ON;
flush logs;
show global variables
where Variable_name = 'log' or Variable_name = 'log_slow_queries' or
Variable_name = 'general_log' or Variable_name = 'slow_query_log';
Variable_name Value
general_log ON
log ON
log_slow_queries OFF
slow_query_log OFF
# Establish connection con1 (user=root)
# Switch to connection con1
set @long_query_time = <long_query_time>;
set session long_query_time = @long_query_time;
select sleep(@long_query_time + 1);
sleep(@long_query_time + 1)
0
select * from mysql.slow_log where sql_text NOT LIKE '%slow_log%';
start_time user_host query_time lock_time rows_sent rows_examined db last_insert_id insert_id server_id sql_text
# Switch to connection default
set global slow_query_log= ON;
# Switch to connection con1
set session long_query_time = @long_query_time;
select sleep(@long_query_time + 1);
sleep(@long_query_time + 1)
0
select * from mysql.slow_log where sql_text NOT LIKE '%slow_log%';
start_time user_host query_time lock_time rows_sent rows_examined db last_insert_id insert_id server_id sql_text
TIMESTAMP USER_HOST QUERY_TIME 00:00:00.000000 1 0 test 0 0 1 select sleep(@long_query_time + 1)
# Switch to connection default
show global variables
where Variable_name = 'log' or Variable_name = 'log_slow_queries' or
Variable_name = 'general_log' or Variable_name = 'slow_query_log';
Variable_name Value
general_log ON
log ON
log_slow_queries ON
slow_query_log ON
set global general_log= ON;
set global general_log= OFF;
set global general_log= OFF;
set global slow_query_log= ON;
set global slow_query_log= OFF;
set global slow_query_log= OFF;
set global general_log= ON;
truncate table mysql.general_log;
create table t1(f1 int);
drop table t1;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query create table t1(f1 int)
TIMESTAMP USER_HOST # 1 Query drop table t1
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log
set global general_log= OFF;
truncate table mysql.general_log;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
set global general_log= ON;
show global variables
where Variable_name = 'log' or Variable_name = 'log_slow_queries' or
Variable_name = 'general_log' or Variable_name = 'slow_query_log';
Variable_name Value
general_log ON
log ON
log_slow_queries OFF
slow_query_log OFF
show variables like 'general_log_file';
Variable_name Value
general_log_file #
show variables like 'slow_query_log_file';
Variable_name Value
slow_query_log_file #
show variables like 'log_output';
Variable_name Value
log_output FILE,TABLE
set global general_log_file='/not existing path/log.master';
ERROR 42000: Variable 'general_log_file' can't be set to the value of '/not existing path/log.master'
set global general_log_file='MYSQLTEST_VARDIR';
ERROR 42000: Variable 'general_log_file' can't be set to the value of 'MYSQLTEST_VARDIR'
set global general_log_file='';
ERROR 42000: Variable 'general_log_file' can't be set to the value of ''
show variables like 'general_log_file';
Variable_name Value
general_log_file #
set global general_log= OFF;
set global general_log_file='MYSQLTEST_VARDIR/tmp/log.master';
set global general_log= ON;
create table t1(f1 int);
drop table t1;
set global general_log= OFF;
set global general_log_file=default;
set global general_log= ON;
create table t1(f1 int);
drop table t1;
show variables like 'general_log_file';
Variable_name Value
general_log_file #
show variables like 'slow_query_log_file';
Variable_name Value
slow_query_log_file #
set global general_log= default;
set global slow_query_log= default;
set global general_log_file= default;
set global slow_query_log_file= default;
show variables like 'general_log';
Variable_name Value
general_log OFF
show variables like 'slow_query_log';
Variable_name Value
slow_query_log OFF
set global general_log=ON;
set global log_output=default;
show variables like 'log_output';
Variable_name Value
log_output FILE
set global general_log=OFF;
set global log_output=FILE;
truncate table mysql.general_log;
show variables like 'log_output';
Variable_name Value
log_output FILE
set global general_log=ON;
create table t1(f1 int);
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
set global general_log=OFF;
set global log_output="FILE,TABLE";
show variables like 'log_output';
Variable_name Value
log_output FILE,TABLE
set global general_log=ON;
drop table t1;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query drop table t1
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log
SET @@global.general_log = @old_general_log;
SET @@global.general_log_file = @old_general_log_file;
SET @@global.slow_query_log = @old_slow_query_log;
SET @@global.slow_query_log_file = @old_slow_query_log_file;
SET GLOBAL general_log = ON;
SET GLOBAL slow_query_log = ON;
FLUSH TABLES WITH READ LOCK;
SET GLOBAL general_log = OFF;
SET GLOBAL slow_query_log = OFF;
UNLOCK TABLES;
FLUSH TABLES WITH READ LOCK;
SET GLOBAL general_log = ON;
SET GLOBAL slow_query_log = ON;
UNLOCK TABLES;
SET GLOBAL READ_ONLY = ON;
SET GLOBAL general_log = OFF;
SET GLOBAL slow_query_log = OFF;
SET GLOBAL READ_ONLY = OFF;
SET GLOBAL READ_ONLY = ON;
SET GLOBAL general_log = ON;
SET GLOBAL slow_query_log = ON;
SET GLOBAL READ_ONLY = OFF;
SET GLOBAL general_log = @old_general_log;
SET GLOBAL slow_query_log = @old_slow_query_log;
SET GLOBAL general_log = ON;
SHOW VARIABLES LIKE 'general_log';
Variable_name Value
general_log ON
SHOW VARIABLES LIKE 'log';
Variable_name Value
log ON
SELECT @@general_log, @@log;
@@general_log @@log
1 1
SET GLOBAL log = 0;
Warnings:
Warning 1287 '@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
SHOW VARIABLES LIKE 'general_log';
Variable_name Value
general_log OFF
SHOW VARIABLES LIKE 'log';
Variable_name Value
log OFF
SELECT @@general_log, @@log;
@@general_log @@log
0 0
SET GLOBAL general_log = 1;
SHOW VARIABLES LIKE 'general_log';
Variable_name Value
general_log ON
SHOW VARIABLES LIKE 'log';
Variable_name Value
log ON
SELECT @@general_log, @@log;
@@general_log @@log
1 1
SHOW VARIABLES LIKE 'slow_query_log';
Variable_name Value
slow_query_log OFF
SHOW VARIABLES LIKE 'log_slow_queries';
Variable_name Value
log_slow_queries OFF
SELECT @@slow_query_log, @@log_slow_queries;
@@slow_query_log @@log_slow_queries
0 0
SET GLOBAL log_slow_queries = 0;
Warnings:
Warning 1287 '@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
SHOW VARIABLES LIKE 'slow_query_log';
Variable_name Value
slow_query_log OFF
SHOW VARIABLES LIKE 'log_slow_queries';
Variable_name Value
log_slow_queries OFF
SELECT @@slow_query_log, @@log_slow_queries;
@@slow_query_log @@log_slow_queries
0 0
SET GLOBAL slow_query_log = 1;
SHOW VARIABLES LIKE 'slow_query_log';
Variable_name Value
slow_query_log ON
SHOW VARIABLES LIKE 'log_slow_queries';
Variable_name Value
log_slow_queries ON
SELECT @@slow_query_log, @@log_slow_queries;
@@slow_query_log @@log_slow_queries
1 1
SET GLOBAL general_log = @old_general_log;
SET GLOBAL slow_query_log = @old_slow_query_log;
SET GLOBAL general_log_file= CONCAT('/not existing path/log.maste', 'r');
ERROR 42000: Variable 'general_log_file' can't be set to the value of '/not existing path/log.master'
SET GLOBAL general_log_file= NULL;
ERROR 42000: Variable 'general_log_file' can't be set to the value of 'NULL'
SET GLOBAL slow_query_log_file= CONCAT('/not existing path/log.maste', 'r');
ERROR 42000: Variable 'slow_query_log_file' can't be set to the value of '/not existing path/log.master'
SET GLOBAL slow_query_log_file= NULL;
ERROR 42000: Variable 'slow_query_log_file' can't be set to the value of 'NULL'
SET GLOBAL general_log_file= @old_general_log_file;
SET GLOBAL slow_query_log_file= @old_slow_query_log_file;
# --
# -- Bug#32748: Inconsistent handling of assignments to
# -- general_log_file/slow_query_log_file.
# --
SET GLOBAL general_log_file = 'bug32748.query.log';
SET GLOBAL slow_query_log_file = 'bug32748.slow.log';
SHOW VARIABLES LIKE '%log_file';
Variable_name Value
general_log_file bug32748.query.log
slow_query_log_file bug32748.slow.log
SET GLOBAL general_log_file = @old_general_log_file;
SET GLOBAL slow_query_log_file = @old_slow_query_log_file;
# -- End of Bug#32748.
deprecated:
SET GLOBAL log = 0;
Warnings:
Warning 1287 '@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
SET GLOBAL log_slow_queries = 0;
Warnings:
Warning 1287 '@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
SET GLOBAL log = DEFAULT;
Warnings:
Warning 1287 '@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
SET GLOBAL log_slow_queries = DEFAULT;
Warnings:
Warning 1287 '@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
not deprecated:
SELECT @@global.general_log_file INTO @my_glf;
SELECT @@global.slow_query_log_file INTO @my_sqlf;
SET GLOBAL general_log = 0;
SET GLOBAL slow_query_log = 0;
SET GLOBAL general_log_file = 'WL4403_G.log';
SET GLOBAL slow_query_log_file = 'WL4403_SQ.log';
SET GLOBAL general_log_file = @my_glf;
SET GLOBAL slow_query_log_file = @my_sqlf;
SET GLOBAL general_log = DEFAULT;
SET GLOBAL slow_query_log = DEFAULT;
SET @@global.general_log = @old_general_log;
SET @@global.general_log_file = @old_general_log_file;
SET @@global.slow_query_log = @old_slow_query_log;
SET @@global.slow_query_log_file = @old_slow_query_log_file;
#
# Bug #49756 Rows_examined is always 0 in the slow query log
# for update statements
#
SET @old_log_output = @@global.log_output;
SET GLOBAL log_output = "TABLE";
SET GLOBAL slow_query_log = ON;
SET GLOBAL long_query_time = 0.001;
TRUNCATE TABLE mysql.slow_log;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (b INT, PRIMARY KEY (b));
INSERT INTO t2 VALUES (3),(4);
INSERT INTO t1 VALUES (1+sleep(.02)),(2);
INSERT INTO t1 SELECT b+sleep(.02) from t2;
UPDATE t1 SET a=a+sleep(.02) WHERE a>2;
UPDATE t1 SET a=a+sleep(.02) ORDER BY a DESC;
UPDATE t2 set b=b+sleep(.02) limit 1;
UPDATE t1 SET a=a+sleep(.02) WHERE a in (SELECT b from t2);
DELETE FROM t1 WHERE a=a+sleep(.02) ORDER BY a LIMIT 2;
SELECT rows_examined,sql_text FROM mysql.slow_log;
rows_examined sql_text
0 INSERT INTO t1 VALUES (1+sleep(.02)),(2)
2 INSERT INTO t1 SELECT b+sleep(.02) from t2
4 UPDATE t1 SET a=a+sleep(.02) WHERE a>2
8 UPDATE t1 SET a=a+sleep(.02) ORDER BY a DESC
1 UPDATE t2 set b=b+sleep(.02) limit 1
4 UPDATE t1 SET a=a+sleep(.02) WHERE a in (SELECT b from t2)
6 DELETE FROM t1 WHERE a=a+sleep(.02) ORDER BY a LIMIT 2
DROP TABLE t1,t2;
TRUNCATE TABLE mysql.slow_log;
# end of bug#49756
End of 5.1 tests
# --
# -- Bug#38124: "general_log_file" variable silently unset when
# -- using expression
# --
SET GLOBAL general_log_file = DEFAULT;
SELECT @@general_log_file INTO @my_glf;
SET GLOBAL general_log_file = 'BUG38124.LOG';
SELECT @@general_log_file;
@@general_log_file
BUG38124.LOG
SET GLOBAL general_log_file = concat('BUG38124-2.LOG');
SELECT @@general_log_file;
@@general_log_file
BUG38124-2.LOG
SET GLOBAL general_log_file = substr('BUG38124-2.LOG',3,6);
SELECT @@general_log_file;
@@general_log_file
G38124
SET GLOBAL general_log_file = DEFAULT;
SELECT @@general_log_file = @my_glf;
@@general_log_file = @my_glf
1
SET GLOBAL general_log_file = @old_general_log_file;
# Close connection con1
SET GLOBAL long_query_time = DEFAULT;
SET GLOBAL log_output = @old_log_output;
SET global general_log = @old_general_log;
SET global general_log_file = @old_general_log_file;
SET global slow_query_log = @old_slow_query_log;
SET global slow_query_log_file = @old_slow_query_log_file;
|