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
374
375
376
377
378
|
CREATE TABLE t1(a int) ENGINE=EXAMPLE;
ERROR 42000: Unknown storage engine 'EXAMPLE'
INSTALL PLUGIN example SONAME 'ha_example';
INSTALL PLUGIN EXAMPLE SONAME 'ha_example';
ERROR HY000: Plugin 'EXAMPLE' already installed
UNINSTALL PLUGIN example;
INSTALL SONAME 'ha_example';
select * from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME EXAMPLE
PLUGIN_VERSION 0.1
PLUGIN_STATUS ACTIVE
PLUGIN_TYPE STORAGE ENGINE
PLUGIN_TYPE_VERSION #
PLUGIN_LIBRARY ha_example.so
PLUGIN_LIBRARY_VERSION 1.13
PLUGIN_AUTHOR Brian Aker, MySQL AB
PLUGIN_DESCRIPTION Example storage engine
PLUGIN_LICENSE GPL
LOAD_OPTION ON
PLUGIN_MATURITY Experimental
PLUGIN_AUTH_VERSION 0.1
PLUGIN_NAME UNUSABLE
PLUGIN_VERSION 3.14
PLUGIN_STATUS ACTIVE
PLUGIN_TYPE DAEMON
PLUGIN_TYPE_VERSION #
PLUGIN_LIBRARY ha_example.so
PLUGIN_LIBRARY_VERSION 1.13
PLUGIN_AUTHOR Sergei Golubchik
PLUGIN_DESCRIPTION Unusable Daemon
PLUGIN_LICENSE GPL
LOAD_OPTION ON
PLUGIN_MATURITY Experimental
PLUGIN_AUTH_VERSION 3.14.15.926
CREATE TABLE t1 (a int) ENGINE=EXAMPLE;
CREATE TABLE t2 (a int) ENGINE=EXAMPLE;
FLUSH TABLES;
SELECT * FROM t1;
a
set global example_ulong_var=500;
set global example_enum_var= e1;
set session example_int_var= -1;
show status like 'example%';
Variable_name Value
Example_func_example enum_var is 0, ulong_var is 500, int_var is -1, double_var is 8.500000, really
show variables like 'example%';
Variable_name Value
example_double_thdvar 8.500000
example_double_var 8.500000
example_enum_var e1
example_int_var -1
example_ulong_var 500
example_varopt_default 5
select @@session.example_int_var;
@@session.example_int_var
-1
UNINSTALL SONAME 'ha_example';
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
select * from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME EXAMPLE
PLUGIN_VERSION 0.1
PLUGIN_STATUS DELETED
PLUGIN_TYPE STORAGE ENGINE
PLUGIN_TYPE_VERSION #
PLUGIN_LIBRARY ha_example.so
PLUGIN_LIBRARY_VERSION 1.13
PLUGIN_AUTHOR Brian Aker, MySQL AB
PLUGIN_DESCRIPTION Example storage engine
PLUGIN_LICENSE GPL
LOAD_OPTION ON
PLUGIN_MATURITY Experimental
PLUGIN_AUTH_VERSION 0.1
DROP TABLE t1;
select * from information_schema.plugins where plugin_library like 'ha_example%';
SELECT * FROM t2;
ERROR 42000: Unknown storage engine 'EXAMPLE'
DROP TABLE t2;
UNINSTALL PLUGIN EXAMPLE;
ERROR 42000: PLUGIN EXAMPLE does not exist
UNINSTALL PLUGIN non_exist;
ERROR 42000: PLUGIN non_exist does not exist
UNINSTALL SONAME 'non_exist';
ERROR 42000: SONAME non_exist.so does not exist
#
# Bug#32034: check_func_enum() does not check correct values but set it
# to impossible int val
#
INSTALL PLUGIN example SONAME 'ha_example';
SET GLOBAL example_enum_var= e1;
SET GLOBAL example_enum_var= e2;
SET GLOBAL example_enum_var= impossible;
ERROR 42000: Variable 'example_enum_var' can't be set to the value of 'impossible'
UNINSTALL PLUGIN example;
INSTALL PLUGIN example SONAME 'ha_example';
select @@session.sql_mode into @old_sql_mode;
set session sql_mode='';
set global example_ulong_var=500;
select @@global.example_ulong_var;
@@global.example_ulong_var
500
set global example_ulong_var=1111;
Warnings:
Warning 1292 Truncated incorrect example_ulong_var value: '1111'
select @@global.example_ulong_var;
@@global.example_ulong_var
1000
set session sql_mode='STRICT_ALL_TABLES';
set global example_ulong_var=500;
select @@global.example_ulong_var;
@@global.example_ulong_var
500
set global example_ulong_var=1111;
ERROR 42000: Variable 'example_ulong_var' can't be set to the value of '1111'
select @@global.example_ulong_var;
@@global.example_ulong_var
500
set session sql_mode=@old_sql_mode;
set session old=bla;
ERROR 42000: Variable 'old' can't be set to the value of 'bla'
#legal values
CREATE TABLE t1 ( a int complex='c,f,f,f' ) ENGINE=example ULL=10000 STR='dskj' one_or_two='one' YESNO=0;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL `complex`='c,f,f,f'
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ULL`=10000 `STR`='dskj' `one_or_two`='one' `YESNO`=0
drop table t1;
SET @OLD_SQL_MODE=@@SQL_MODE;
SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS';
#illegal value fixed
CREATE TABLE t1 (a int, b int) ENGINE=example ULL=10000000000000000000 one_or_two='ttt' YESNO=SSS;
Warnings:
Warning 1912 Incorrect value '10000000000000000000' for option 'ULL'
Warning 1912 Incorrect value 'ttt' for option 'one_or_two'
Warning 1912 Incorrect value 'SSS' for option 'YESNO'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ULL`=10000000000000000000 `one_or_two`='ttt' `YESNO`=SSS
#alter table
alter table t1 ULL=10000000;
Warnings:
Note 1105 EXAMPLE DEBUG: ULL 4294967290 -> 10000000
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `one_or_two`='ttt' `YESNO`=SSS `ULL`=10000000
alter table t1 change a a int complex='c,c,c';
Warnings:
Note 1105 EXAMPLE DEBUG: Field `a` COMPLEX '(null)' -> 'c,c,c'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL `complex`='c,c,c',
`b` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `one_or_two`='ttt' `YESNO`=SSS `ULL`=10000000
alter table t1 one_or_two=two;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL `complex`='c,c,c',
`b` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `YESNO`=SSS `ULL`=10000000 `one_or_two`=two
drop table t1;
#illegal value error
SET SQL_MODE='';
CREATE TABLE t1 (a int) ENGINE=example ULL=10000000000000000000 one_or_two='ttt' YESNO=SSS;
ERROR HY000: Incorrect value '10000000000000000000' for option 'ULL'
CREATE TABLE t1 (a int) ENGINE=example ULL=10.00;
ERROR 42000: Only integers allowed as number here near '10.00' at line 1
CREATE TABLE t1 (a int) ENGINE=example ULL=1e2;
ERROR 42000: Only integers allowed as number here near '1e2' at line 1
CREATE TABLE t1 (a int) ENGINE=example ULL=0x1234;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ULL`=4660
SET example_varopt_default=33;
select create_options from information_schema.tables where table_schema='test' and table_name='t1';
create_options
`ULL`=4660
ALTER TABLE t1 ULL=DEFAULT;
Warnings:
Note 1105 EXAMPLE DEBUG: ULL 4660 -> 4294967295
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1
DROP TABLE t1;
create table t1 (a int) engine=example;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `VAROPT`=33
drop table t1;
create table t1 (a int) engine=example varopt=15;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `varopt`=15
alter table t1 varopt=default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `VAROPT`=33
drop table t1;
SET @@SQL_MODE=@OLD_SQL_MODE;
select 1;
1
1
UNINSTALL PLUGIN example;
#
# Bug #16194302 SUPPORT FOR FLOATING-POINT SYSTEM
# VARIABLES USING THE PLUGIN INTERFACE.
#
INSTALL PLUGIN example SONAME 'ha_example';
SET GLOBAL example_double_var = -0.1;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '-0.1'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
0.500000
SET GLOBAL example_double_var = 0.000001;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '0.000001'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
0.500000
SET GLOBAL example_double_var = 0.4;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '0.4'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
0.500000
SET GLOBAL example_double_var = 123.456789;
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
123.456789
SET GLOBAL example_double_var = 500;
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
500.000000
SET GLOBAL example_double_var = 999.999999;
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
999.999999
SET GLOBAL example_double_var = 1000.51;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '1000.51'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
1000.500000
SET SESSION example_double_thdvar = -0.1;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '-0.1'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
0.500000
SET SESSION example_double_thdvar = 0.000001;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '0.000001'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
0.500000
SET SESSION example_double_thdvar = 0.4;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '0.4'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
0.500000
SET SESSION example_double_thdvar = 123.456789;
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
123.456789
SET SESSION example_double_thdvar = 500;
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
500.000000
SET SESSION example_double_thdvar = 999.999999;
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
999.999999
SET SESSION example_double_thdvar = 1000.51;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '1000.51'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
1000.500000
UNINSTALL PLUGIN example;
UNINSTALL PLUGIN MyISAM;
ERROR HY000: Built-in plugins cannot be deleted
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%';
plugin_name
install soname 'ha_example';
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%';
plugin_name
EXAMPLE
UNUSABLE
uninstall plugin example;
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%';
plugin_name
UNUSABLE
install soname 'ha_example';
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%';
plugin_name
EXAMPLE
UNUSABLE
uninstall soname 'ha_example';
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%';
plugin_name
#
# MDEV-5309 - RENAME TABLE does not check for existence of the table's
# engine
#
INSTALL PLUGIN example SONAME 'ha_example';
CREATE TABLE t1(a INT) ENGINE=EXAMPLE;
SELECT * FROM t1;
a
FLUSH TABLES;
UNINSTALL PLUGIN example;
RENAME TABLE t1 TO t2;
ERROR 42S02: Table 'test.t1' doesn't exist
DROP TABLE t1;
#
# INSTALL IF NOT EXISTS PLUGIN name SONAME library /
# UNINSTALL IF EXISTS PLUGIN|SONAME name
#
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
INSTALL PLUGIN IF NOT EXISTS example SONAME 'ha_example';
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
EXAMPLE ACTIVE STORAGE ENGINE
INSTALL PLUGIN example SONAME 'ha_example';
ERROR HY000: Plugin 'example' already installed
INSTALL PLUGIN IF NOT EXISTS example SONAME 'ha_example';
Warnings:
Note 1968 Plugin 'example' already installed
SHOW WARNINGS;
Level Code Message
Note 1968 Plugin 'example' already installed
UNINSTALL PLUGIN IF EXISTS example;
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
UNINSTALL PLUGIN IF EXISTS example;
Warnings:
Note 1305 PLUGIN example does not exist
SHOW WARNINGS;
Level Code Message
Note 1305 PLUGIN example does not exist
UNINSTALL PLUGIN example;
ERROR 42000: PLUGIN example does not exist
INSTALL SONAME 'ha_example';
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
EXAMPLE ACTIVE STORAGE ENGINE
UNUSABLE ACTIVE DAEMON
UNINSTALL SONAME IF EXISTS 'ha_example';
UNINSTALL SONAME IF EXISTS 'ha_example';
Warnings:
Note 1305 SONAME ha_example.so does not exist
SHOW WARNINGS;
Level Code Message
Note 1305 SONAME ha_example.so does not exist
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
UNINSTALL SONAME 'ha_example';
ERROR 42000: SONAME ha_example.so does not exist
|
