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
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
|
# Can't test with embedded server
-- source include/not_embedded.inc
# simple test of grants
grant create view on test.* to test@localhost;
show grants for test@localhost;
revoke create view on test.* from test@localhost;
show grants for test@localhost;
# grant create view test
#
connect (root,localhost,root,,test);
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
grant select on mysqltest.t1 to mysqltest_1@localhost;
grant create view,select on test.* to mysqltest_1@localhost;
connect (user1,localhost,mysqltest_1,,test);
connection user1;
-- error ER_VIEW_OTHER_USER
create definer=root@localhost view v1 as select * from mysqltest.t1;
create view v1 as select * from mysqltest.t1;
# try to modify view without DROP privilege on it
-- error 1142
alter view v1 as select * from mysqltest.t1;
-- error 1142
create or replace view v1 as select * from mysqltest.t1;
# no CRETE VIEW privilege
-- error 1142
create view mysqltest.v2 as select * from mysqltest.t1;
# no SELECT privilege
-- error 1142
create view v2 as select * from mysqltest.t2;
connection root;
# check view definer information
show create view v1;
grant create view,drop,select on test.* to mysqltest_1@localhost;
connection user1;
# following 'use' command is workaround of bug #9582 and should be removed
# when that bug will be fixed
use test;
alter view v1 as select * from mysqltest.t1;
create or replace view v1 as select * from mysqltest.t1;
connection root;
revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
revoke all privileges on test.* from mysqltest_1@localhost;
drop database mysqltest;
drop view test.v1;
#
# grants per columns
#
# MERGE algorithm
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
connection user1;
select c from mysqltest.v1;
# there are no privileges on column 'd'
-- error 1143
select d from mysqltest.v1;
connection root;
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
# TEMPORARY TABLE algorithm
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int);
create algorithm=temptable view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
connection user1;
select c from mysqltest.v1;
# there are no privileges on column 'd'
-- error 1143
select d from mysqltest.v1;
connection root;
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
#
# EXPLAIN rights
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
#prepare views and tables
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
create algorithm=temptable view mysqltest.v2 (c,d) as select a+1,b+1 from mysqltest.t1;
create view mysqltest.v3 (c,d) as select a+1,b+1 from mysqltest.t2;
create algorithm=temptable view mysqltest.v4 (c,d) as select a+1,b+1 from mysqltest.t2;
grant select on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.v2 to mysqltest_1@localhost;
grant select on mysqltest.v3 to mysqltest_1@localhost;
grant select on mysqltest.v4 to mysqltest_1@localhost;
connection user1;
# all selects works
select c from mysqltest.v1;
select c from mysqltest.v2;
select c from mysqltest.v3;
select c from mysqltest.v4;
# test of show coluns
show columns from mysqltest.v1;
show columns from mysqltest.v2;
# but explain/show do not
-- error 1345
explain select c from mysqltest.v1;
-- error 1142
show create view mysqltest.v1;
-- error 1345
explain select c from mysqltest.v2;
-- error 1142
show create view mysqltest.v2;
-- error 1345
explain select c from mysqltest.v3;
-- error 1142
show create view mysqltest.v3;
-- error 1345
explain select c from mysqltest.v4;
-- error 1142
show create view mysqltest.v4;
# allow to see one of underlying table
connection root;
grant select on mysqltest.t1 to mysqltest_1@localhost;
connection user1;
# EXPLAIN of view on above table works
explain select c from mysqltest.v1;
-- error 1142
show create view mysqltest.v1;
explain select c from mysqltest.v2;
-- error 1142
show create view mysqltest.v2;
# but other EXPLAINs do not
-- error 1345
explain select c from mysqltest.v3;
-- error 1142
show create view mysqltest.v3;
-- error 1345
explain select c from mysqltest.v4;
-- error 1142
show create view mysqltest.v4;
# allow to see any view in mysqltest database
connection root;
grant show view on mysqltest.* to mysqltest_1@localhost;
connection user1;
explain select c from mysqltest.v1;
show create view mysqltest.v1;
explain select c from mysqltest.v2;
show create view mysqltest.v2;
explain select c from mysqltest.v3;
show create view mysqltest.v3;
explain select c from mysqltest.v4;
show create view mysqltest.v4;
connection root;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
#
# UPDATE privileges on VIEW columns and whole VIEW
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v3 (a,c) as select a, b+1 from mysqltest.t1;
grant update (a) on mysqltest.v2 to mysqltest_1@localhost;
grant update on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
connection user1;
use mysqltest;
# update with rights on VIEW column
update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.c;
select * from t1;
update v1 set a=a+c;
select * from t1;
# update with rights on whole VIEW
update t2,v2 set v2.a=v2.a+v2.c where t2.x=v2.c;
select * from t1;
update v2 set a=a+c;
select * from t1;
# no rights on column
-- error 1143
update t2,v2 set v2.c=v2.a+v2.c where t2.x=v2.c;
-- error 1143
update v2 set c=a+c;
# no rights for view
-- error 1142
update t2,v3 set v3.a=v3.a+v3.c where t2.x=v3.c;
-- error 1142
update v3 set a=a+c;
use test;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
#
# DELETE privileges on VIEW
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b+1 from mysqltest.t1;
grant delete on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
connection user1;
use mysqltest;
# update with rights on VIEW column
delete from v1 where c < 4;
select * from t1;
delete v1 from t2,v1 where t2.x=v1.c;
select * from t1;
# no rights for view
-- error 1142
delete v2 from t2,v2 where t2.x=v2.c;
-- error 1142
delete from v2 where c < 4;
use test;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
#
# insert privileges on VIEW
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3);
create table mysqltest.t2 (x int, y int);
insert into mysqltest.t2 values (3,4);
create view mysqltest.v1 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
grant insert on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
connection user1;
use mysqltest;
# update with rights on VIEW column
insert into v1 values (5,6);
select * from t1;
insert into v1 select x,y from t2;
select * from t1;
# no rights for view
-- error 1142
insert into v2 values (5,6);
-- error 1142
insert into v2 select x,y from t2;
use test;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
#
# test of CREATE VIEW privileges if we have limited privileges
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
grant update on mysqltest.t1 to mysqltest_1@localhost;
grant update(b) on mysqltest.t2 to mysqltest_1@localhost;
grant create view,update on test.* to mysqltest_1@localhost;
connection user1;
create view v1 as select * from mysqltest.t1;
create view v2 as select b from mysqltest.t2;
# There are not rights on mysqltest.v1
-- error 1142
create view mysqltest.v1 as select * from mysqltest.t1;
# There are not any rights on mysqltest.t2.a
-- error 1143
create view v3 as select a from mysqltest.t2;
# give CREATE VIEW privileges (without any privileges for result column)
connection root;
create table mysqltest.v3 (b int);
grant create view on mysqltest.v3 to mysqltest_1@localhost;
drop table mysqltest.v3;
connection user1;
create view mysqltest.v3 as select b from mysqltest.t2;
# give UPDATE privileges
connection root;
grant create view, update on mysqltest.v3 to mysqltest_1@localhost;
drop view mysqltest.v3;
connection user1;
create view mysqltest.v3 as select b from mysqltest.t2;
# give UPDATE and INSERT privilege (to get more privileges then underlying
# table)
connection root;
grant create view, update, insert on mysqltest.v3 to mysqltest_1@localhost;
drop view mysqltest.v3;
connection user1;
-- error 1143
create view mysqltest.v3 as select b from mysqltest.t2;
# If we would get more privileges on VIEW then we have on
# underlying tables => creation prohibited
connection root;
create table mysqltest.v3 (b int);
grant select(b) on mysqltest.v3 to mysqltest_1@localhost;
drop table mysqltest.v3;
connection user1;
-- error 1143
create view mysqltest.v3 as select b from mysqltest.t2;
# Expression need select privileges
-- error 1143
create view v4 as select b+1 from mysqltest.t2;
connection root;
grant create view,update,select on test.* to mysqltest_1@localhost;
connection user1;
-- error 1143
create view v4 as select b+1 from mysqltest.t2;
connection root;
grant update,select(b) on mysqltest.t2 to mysqltest_1@localhost;
connection user1;
create view v4 as select b+1 from mysqltest.t2;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
drop view v1,v2,v4;
#
# user with global DB privileges
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int);
grant all privileges on mysqltest.* to mysqltest_1@localhost;
connection user1;
use mysqltest;
create view v1 as select * from t1;
connection root;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
drop database mysqltest;
|